Transcript
1
HT25 - SERVICE
1
HT25 - SERVICE SERIAL NUMBER RECORD
SERIAL NUMBER RECORD
SERVICE
SERVICE
SERIAL NUMBER RECORD
SERIAL NUMBER RECORD
Record serial number and date of purchase in spaces provided. Tractor serial number is located as shown.
Record serial number and date of purchase in spaces provided. Tractor serial number is located as shown.
Date of Manufacture:
Date of Manufacture:
Date of Purchase:
Date of Purchase:
Tractor Serial Number:
Tractor Serial Number:
Front Attachment Serial Number:
Front Attachment Serial Number:
Engine Serial Number:
Engine Serial Number:
Trailer Serial Number:
Trailer Serial Number:
2
HT25 - SERVICE
2
SUPPORT PROCEDURE
HT25 - SERVICE SUPPORT PROCEDURE
SUPPORT PROCEDURE
SUPPORT PROCEDURE
Notify your dealer immediately of any malfunction or failure of Ditch Witch equipment.
Notify your dealer immediately of any malfunction or failure of Ditch Witch equipment.
Always give model, serial number, and approximate date of equipment purchase. This information should be recorded and placed on file by owner at time of purchase.
Always give model, serial number, and approximate date of equipment purchase. This information should be recorded and placed on file by owner at time of purchase.
Return damaged parts to dealer for inspection and Warranty consideration.
Return damaged parts to dealer for inspection and Warranty consideration.
Order genuine Ditch Witch replacement or repair parts from your authorized Ditch Witch dealer. Use of another manufacturer's parts may void warranty.
Order genuine Ditch Witch replacement or repair parts from your authorized Ditch Witch dealer. Use of another manufacturer's parts may void warranty.
RESOURCES
RESOURCES
Publications
Publications
Contact your Ditch Witch dealer for publications covering operation, service, and repair of your equipment.
Contact your Ditch Witch dealer for publications covering operation, service, and repair of your equipment.
Ditch Witch Training
Ditch Witch Training
For information about on-site, individualized training, contact your Ditch Witch dealer.
For information about on-site, individualized training, contact your Ditch Witch dealer.
3
HT25 - FOREWORD
3
HT25 - FOREWORD
FOREWORD
FOREWORD
This manual is an important part of your equipment. It provides safety information and operation instructions to help you use and maintain your Ditch Witch equipment.
This manual is an important part of your equipment. It provides safety information and operation instructions to help you use and maintain your Ditch Witch equipment.
Read this manual before using your equipment. Keep it with the equipment at all times for future reference. If you sell your equipment, be sure to give this manual to the new owner.
Read this manual before using your equipment. Keep it with the equipment at all times for future reference. If you sell your equipment, be sure to give this manual to the new owner.
If you need a replacement copy, contact your Ditch Witch dealer. If you need assistance in locating a dealer, visit our website at www.ditchwitch.com or write to the following address:
If you need a replacement copy, contact your Ditch Witch dealer. If you need assistance in locating a dealer, visit our website at www.ditchwitch.com or write to the following address:
The Charles Machine Works, Inc. Attn: Marketing Department PO Box 66 Perry, OK 73077-0066 USA
The Charles Machine Works, Inc. Attn: Marketing Department PO Box 66 Perry, OK 73077-0066 USA
The descriptions and specifications in this manual are subject to change. The Charles Machine Works, Inc. reserves the right to improve equipment. Some product improvements may have taken place after this manual was published. For the latest information on Ditch Witch equipment, see your Ditch Witch dealer.
The descriptions and specifications in this manual are subject to change. The Charles Machine Works, Inc. reserves the right to improve equipment. Some product improvements may have taken place after this manual was published. For the latest information on Ditch Witch equipment, see your Ditch Witch dealer.
Thank you for buying and using Ditch Witch equipment.
Thank you for buying and using Ditch Witch equipment.
4
HT25 - FOREWORD
4
HT25 - FOREWORD
Operator's Manual
Operator's Manual
Issue Number 1.0/OP-4/00
Issue Number 1.0/OP-4/00
Part Number 054-062
Part Number 054-062
Copyright 2000
Copyright 2000
by The Charles Machine Works, Inc.,
by The Charles Machine Works, Inc.,
Perry, Oklahoma
Perry, Oklahoma
, Ditch Witch, Jet Trac, Pro Tech, Fluid Miser, Perma-Soil, Modularmatic, Roto Witch, AutoCrowd, and Subsite are registered trademarks of The Charles Machine Works, Inc.
, Ditch Witch, Jet Trac, Pro Tech, Fluid Miser, Perma-Soil, Modularmatic, Roto Witch, AutoCrowd, and Subsite are registered trademarks of The Charles Machine Works, Inc.
CMW is a trademark of The Charles Machine Works, Inc.
CMW is a trademark of The Charles Machine Works, Inc.
Pierce Airrow is a registered trademark of Oklahoma Airrow, Inc.
Pierce Airrow is a registered trademark of Oklahoma Airrow, Inc.
5
HT25 - CONTENTS
CONTENTS
5
HT25 - CONTENTS
CONTENTS
SERVICE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
SERVICE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Serial Number Record . . . . . . . . . . . . . . . . . . . . . . . . . 1
Serial Number Record. . . . . . . . . . . . . . . . . . . . . . . . . . 1
Support Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Support Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Resources . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Resources . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
FOREWORD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
FOREWORD. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
OVERVIEW . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
OVERVIEW. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
CONTROLS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
CONTROLS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Overview. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Descriptions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
SAFETY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
SAFETY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Underground Hazards . . . . . . . . . . . . . . . . . . . . . . . . 20
Underground Hazards . . . . . . . . . . . . . . . . . . . . . . . . . 20
Emergency Procedures . . . . . . . . . . . . . . . . . . . . . . . 21
Emergency Procedures. . . . . . . . . . . . . . . . . . . . . . . . 21
Jobsite Classification . . . . . . . . . . . . . . . . . . . . . . . . . 24
Jobsite Classification. . . . . . . . . . . . . . . . . . . . . . . . . . 24
Safety Alert Classifications . . . . . . . . . . . . . . . . . . . . . 28
Safety Alert Classifications . . . . . . . . . . . . . . . . . . . . . 28
Safety Alerts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Safety Alerts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
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HT25 - CONTENTS
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HT25 - CONTENTS
TRACTOR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
TRACTOR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Daily Inspection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Daily Inspection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Startup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Startup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
Shutdown . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
Shutdown . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
TRANSPORTATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
TRANSPORTATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
Lift . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
Lift . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
Tiedown . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
Tiedown . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
Haul . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
Haul . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
Tow . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
Tow . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
TRENCHING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
TRENCHING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
Control Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
Control Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
Control Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . 46
Control Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . 46
Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
Operating Tips . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
Operating Tips . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
Optional Equipment . . . . . . . . . . . . . . . . . . . . . . . . . . 51
Optional Equipment . . . . . . . . . . . . . . . . . . . . . . . . . . 51
BACKHOE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
BACKHOE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
Control Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
Control Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
Control Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . 54
Control Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . 54
Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
HT25 - CONTENTS
7
HT25 - CONTENTS
LUBRICATION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59
LUBRICATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59
Overview. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
Schedule. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61
Schedule . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61
Engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62
Engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62
Ground Drive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64
Ground Drive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64
Hydraulics. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66
Hydraulics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66
Trencher . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68
Trencher . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68
Backfill Blade . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71
Backfill Blade. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71
MAINTENANCE. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73
MAINTENANCE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74
Engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75
Engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75
Ground Drive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80
Ground Drive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80
Hydraulics. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83
Hydraulics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83
Electrical . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 84
Electrical . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 84
Trencher . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85
Trencher . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85
SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93
SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93
HT25. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93
HT25 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93
A225 Backhoe . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97
A225 Backhoe . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97
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HT25 - CONTENTS
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HT25 - CONTENTS
HT25 - OVERVIEW
9
HT25 - OVERVIEW
9
OVERVIEW
OVERVIEW
The HT25 is a 25 hp (18.6 kW) riding tractor that can be fitted with a centerline, wide centerline, or offset digging boom. Optional cab, backfill blade, backhoe, drilling attachment, and mechanical trench cleaner are available. The HT25 is designed to cut trenches up to 36 in (91 cm) deep and 16 in (40 cm) wide.
The HT25 is a 25 hp (18.6 kW) riding tractor that can be fitted with a centerline, wide centerline, or offset digging boom. Optional cab, backfill blade, backhoe, drilling attachment, and mechanical trench cleaner are available. The HT25 is designed to cut trenches up to 36 in (91 cm) deep and 16 in (40 cm) wide.
1. Digging boom
1. Digging boom
2. Lift/tiedown point
2. Lift/tiedown point
3. Engine compartment
3. Engine compartment
4. Rollover Protective Structure
4. Rollover Protective Structure
5. Operator’s position
5. Operator’s position
6. Control console
6. Control console
7. Lift/tiedown point
7. Lift/tiedown point
8. Backfill blade*
8. Backfill blade*
*optional
*optional
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HT25 - OVERVIEW
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HT25 - OVERVIEW
11
HT25 - CONTROLS
11
HT25 - CONTROLS OVERVIEW
OVERVIEW
CONTROLS OVERVIEW
CONTROLS OVERVIEW
1. Throttle
12. Fuel gauge
1. Throttle
12. Fuel gauge
2. Accessory socket*
13. Start interlock indicators
2. Accessory socket*
13. Start interlock indicators
3. Backfill blade control*
14. Engine water temperature indicator
3. Backfill blade control*
14. Engine water temperature indicator
4. Dome light switch* 5. Windshield wiper switch* 6. Work light switch* 7. Track controls 8. Horn button 9. Digging chain control** 10. Glow plug control 11. Ignition switch
15. Engine oil pressure indicator 16. Heater fan control* 17. Heater temperature control* 18. Boom lift control** 19. Battery disconnect* 20. Hourmeter * Optional **See TRENCHING for a description of this control.
4. Dome light switch* 5. Windshield wiper switch* 6. Work light switch* 7. Track controls 8. Horn button 9. Digging chain control** 10. Glow plug control 11. Ignition switch
15. Engine oil pressure indicator 16. Heater fan control* 17. Heater temperature control* 18. Boom lift control** 19. Battery disconnect* 20. Hourmeter * Optional **See TRENCHING for a description of this control.
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HT25 - CONTROLS
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HT25 - CONTROLS
DESCRIPTIONS
DESCRIPTIONS
DESCRIPTIONS
DESCRIPTIONS
Throttle
Throttle
This lever controls engine speed.
This lever controls engine speed.
•
Push to increase speed.
•
Push to increase speed.
•
Pull to reduce speed.
•
Pull to reduce speed.
ic0128h.eps
ic0128h.eps
Accessory Socket
Accessory Socket
This optional outlet can be used to provide power for work lights or other equipment.
This optional outlet can be used to provide power for work lights or other equipment.
HT25 - CONTROLS
13
HT25 - CONTROLS
DESCRIPTIONS
DESCRIPTIONS
Backfill Blade Control
Backfill Blade Control
This optional lever raises, lowers, and swings backfill blade.
This optional lever raises, lowers, and swings backfill blade.
•
Push to lower blade.
•
Push to lower blade.
•
Pull to raise blade.
•
Pull to raise blade.
•
Move right to swing blade right.
•
Move right to swing blade right.
•
Move left to swing blade left.
•
Move left to swing blade left.
Work Light Switch
Work Light Switch
This optional switch controls front and rear work lights.
This optional switch controls front and rear work lights.
•
Press right to turn on.
•
Press right to turn on.
•
Press left to turn off.
•
Press left to turn off.
Dome Light Switch
Dome Light Switch
This optional button controls interior dome light.
This optional button controls interior dome light.
•
Press top to turn on.
•
Press top to turn on.
•
Press bottom to turn off.
•
Press bottom to turn off.
13
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HT25 - CONTROLS
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HT25 - CONTROLS
DESCRIPTIONS
DESCRIPTIONS
Windshield Wiper Switch
Windshield Wiper Switch
This optional switch controls windshield wipers.
This optional switch controls windshield wipers.
•
Press right to turn on.
•
Press right to turn on.
•
Press left to turn off.
•
Press left to turn off.
Ic0225h.eps
Ic0225h.eps
Track Controls
Track Controls
These levers, used together, control left and right track speed and direction.
These levers, used together, control left and right track speed and direction.
•
Push to go forward.
•
Push to go forward.
•
Pull to go backward.
•
Pull to go backward.
•
Return to neutral to stop.
•
Return to neutral to stop.
•
Use together to steer.
•
Use together to steer.
Ic0227h.eps
Engine Oil Pressure Indicator
Engine Oil Pressure Indicator
This indicator lights when oil pressure is low. Light will come on briefly when engine is started.
This indicator lights when oil pressure is low. Light will come on briefly when engine is started.
If light remains on:
If light remains on:
•
Turn off engine.
•
Turn off engine.
•
Check oil level.
•
Check oil level.
•
Check for leaks before starting engine.
•
Check for leaks before starting engine.
ic1294.eps
Ic0227h.eps
ic1294.eps
15
HT25 - CONTROLS
DESCRIPTIONS
Start Interlock Indicators
Start Interlock Indicators
To start machine, these must be lit, indicating the following conditions have been met:
To start machine, these must be lit, indicating the following conditions have been met:
•
Operator is in seat.
•
Operator is in seat.
•
Track controls are in neutral.
•
Track controls are in neutral.
•
Digging chain clutch is not engaged.
•
Digging chain clutch is not engaged.
ic0138x.eps
15
HT25 - CONTROLS
DESCRIPTIONS
Horn Button
Horn Button
Press button to sound horn.
Press button to sound horn.
ic0138x.eps
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HT25 - CONTROLS
16
HT25 - CONTROLS
DESCRIPTIONS
DESCRIPTIONS
Glow Plug Button
Glow Plug Button
This button helps start cold engine. To operate, first turn ignition switch to first position.
This button helps start cold engine. To operate, first turn ignition switch to first position.
•
If ambient temperature is below 40° F (4° C), press and hold button for 15 seconds.
•
If ambient temperature is below 40° F (4° C), press and hold button for 15 seconds.
•
If ambient temperature is below 20° F (-7° C), press and hold button for 30 seconds.
•
If ambient temperature is below 20° F (-7° C), press and hold button for 30 seconds.
ic0219h.eps
ic0219h.eps
Release button, then turn ignition switch all the way clockwise.
Release button, then turn ignition switch all the way clockwise.
Ignition Switch
Ignition Switch
This three-position switch starts or stops engine.
This three-position switch starts or stops engine.
•
Insert key and turn clockwise to first position.
•
Insert key and turn clockwise to first position.
•
Press glow plug button to warm cold engine if necessary. See instructions for glow plug button.
•
Press glow plug button to warm cold engine if necessary. See instructions for glow plug button.
•
Turn switch all the way clockwise.
•
Turn switch all the way clockwise.
•
Release when engine starts. Key will return to first position.
•
Release when engine starts. Key will return to first position.
•
Turn counterclockwise to stop engine.
•
Turn counterclockwise to stop engine.
If engine does not start on first attempt, check that all interlock requirements have been met, return switch to STOP position, and try again.
If engine does not start on first attempt, check that all interlock requirements have been met, return switch to STOP position, and try again.
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HT25 - CONTROLS
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HT25 - CONTROLS
DESCRIPTIONS
DESCRIPTIONS
Fuel Gauge
Fuel Gauge
This gauge indicates fuel level in tank. Use only #2 diesel fuel.
This gauge indicates fuel level in tank. Use only #2 diesel fuel.
Engine Temperature Indicator
Engine Temperature Indicator
This indicator lights if cooling system water overheats.
This indicator lights if cooling system water overheats.
•
Turn off engine and let cool.
•
Turn off engine and let cool.
•
Check cooling system fluid level.
•
Check cooling system fluid level.
ic1274.eps
ic1274.eps
Heater Fan Control
Heater Fan Control
This optional knob adjusts heater fan speed.
This optional knob adjusts heater fan speed.
•
Turn clockwise for faster.
•
Turn clockwise for faster.
•
Turn counterclockwise for slower.
•
Turn counterclockwise for slower.
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HT25 - CONTROLS
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HT25 - CONTROLS
DESCRIPTIONS
DESCRIPTIONS
Heater Temperature Control
Heater Temperature Control
This optional knob adjusts heater temperature.
This optional knob adjusts heater temperature.
•
Turn clockwise for warmer.
•
Turn clockwise for warmer.
•
Turn counterclockwise for cooler.
•
Turn counterclockwise for cooler.
Hourmeter
Hourmeter
This gauge, located under seat, records engine operating time. Use these times to schedule lubrication and maintenance.
This gauge, located under seat, records engine operating time. Use these times to schedule lubrication and maintenance.
Battery Disconnect
Battery Disconnect
Use this optional knob, located under seat, to disconnect battery when servicing unit or during longterm storage.
Use this optional knob, located under seat, to disconnect battery when servicing unit or during longterm storage.
•
Turn clockwise to connect battery power.
•
Turn clockwise to connect battery power.
•
Turn counterclockwise to disconnect battery power.
•
Turn counterclockwise to disconnect battery power.
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SAFETY
SAFETY
Follow these guidelines before operating any jobsite equipment:
Follow these guidelines before operating any jobsite equipment:
•
Complete proper training and read operator’s manual before using equipment.
•
Complete proper training and read operator’s manual before using equipment.
•
Contact One-Call (888-258-0808) and any utility companies which do not subscribe to One-Call. Have all underground pipes and cables located and marked before operating equipment. If you damage a utility, contact utility company.
•
Contact One-Call (888-258-0808) and any utility companies which do not subscribe to One-Call. Have all underground pipes and cables located and marked before operating equipment. If you damage a utility, contact utility company.
•
Classify jobsite based on its hazards and use correct tools and machinery, safety equipment, and work methods for jobsite.
•
Classify jobsite based on its hazards and use correct tools and machinery, safety equipment, and work methods for jobsite.
•
Mark jobsite clearly and keep spectators away.
•
Mark jobsite clearly and keep spectators away.
•
Wear personal protective equipment.
•
Wear personal protective equipment.
•
Review jobsite hazards, safety and emergency procedures, and individual responsibilities with all personnel before work begins. Safety videos are available from your Ditch Witch dealer.
•
Review jobsite hazards, safety and emergency procedures, and individual responsibilities with all personnel before work begins. Safety videos are available from your Ditch Witch dealer.
•
Replace missing or damaged safety shields and safety signs.
•
Replace missing or damaged safety shields and safety signs.
•
Use equipment carefully. Stop operation and investigate anything that does not look or feel right.
•
Use equipment carefully. Stop operation and investigate anything that does not look or feel right.
•
Do not operate unit where flammable gas is present.
•
Do not operate unit where flammable gas is present.
•
Contact your Ditch Witch dealer if you have any question about operation, maintenance, or equipment use.
•
Contact your Ditch Witch dealer if you have any question about operation, maintenance, or equipment use.
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HT25 - SAFETY
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HT25 - SAFETY
ACCESSORIES
ACCESSORIES
ACCESSORIES
ACCESSORIES
Fire Extinguisher
Fire Extinguisher
If required, a fire extinguisher should be mounted near the power unit but away from possible points of ignition. The fire extinguisher should always be classified for both oil and electric fires. It should meet legal and regulatory requirements.
If required, a fire extinguisher should be mounted near the power unit but away from possible points of ignition. The fire extinguisher should always be classified for both oil and electric fires. It should meet legal and regulatory requirements.
Lighting Kit
Lighting Kit
If you need additional light, plug lighting kit into provided outlet. Contact your Ditch Witch dealer for further information.
If you need additional light, plug lighting kit into provided outlet. Contact your Ditch Witch dealer for further information.
UNDERGROUND HAZARDS
UNDERGROUND HAZARDS
Striking underground hazards can cause explosion, electrocution, fire, and exposure to hazardous materials.
Striking underground hazards can cause explosion, electrocution, fire, and exposure to hazardous materials.
Hazards include:
Hazards include:
•
Electric lines
•
Electric lines
•
Natural gas lines
•
Natural gas lines
•
Fiber optic cables
•
Fiber optic cables
•
Water lines
•
Water lines
•
Sewer lines
•
Sewer lines
•
Pipes carrying other chemicals, liquids, or gases
•
Pipes carrying other chemicals, liquids, or gases
•
Storage tanks
•
Storage tanks
HT25 - SAFETY
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HT25 - SAFETY
21
EMERGENCY PROCEDURES
EMERGENCY PROCEDURES
EMERGENCY PROCEDURES
EMERGENCY PROCEDURES
Before operating any equipment, review emergency procedures and check that all safety precautions have been taken.
Before operating any equipment, review emergency procedures and check that all safety precautions have been taken.
EMERGENCY SHUTDOWN - Turn ignition switch to stop position or push remote engine stop button.
EMERGENCY SHUTDOWN - Turn ignition switch to stop position or push remote engine stop button.
Electric Strike Description
Electric Strike Description
When working near electric cables, remember the following:
When working near electric cables, remember the following:
•
Electricity follows all paths to ground, not just path of least resistance.
•
Electricity follows all paths to ground, not just path of least resistance.
•
Pipes, hoses, and cables will conduct electricity back to all equipment.
•
Pipes, hoses, and cables will conduct electricity back to all equipment.
•
Low voltage current can injure or kill. Almost one-third of work-related electrocutions result from contact with less than 440 volts.
•
Low voltage current can injure or kill. Almost one-third of work-related electrocutions result from contact with less than 440 volts.
Most electric strikes are not noticeable, but indications of a strike include:
Most electric strikes are not noticeable, but indications of a strike include:
•
Power outage
•
Power outage
•
Smoke
•
Smoke
•
Explosion
•
Explosion
•
Popping noises
•
Popping noises
•
Arcing electricity
•
Arcing electricity
If any of these occur, assume an electric strike has occurred.
If any of these occur, assume an electric strike has occurred.
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EMERGENCY PROCEDURES
HT25 - SAFETY EMERGENCY PROCEDURES
If an Electric Line is Damaged
If an Electric Line is Damaged
On Tractor
On Tractor
1. DO NOT MOVE. Remain on tractor.
1. DO NOT MOVE. Remain on tractor.
2. Warn people nearby that an electric strike has occurred. Instruct them to leave the area and contact utility.
2. Warn people nearby that an electric strike has occurred. Instruct them to leave the area and contact utility.
3. Raise attachments and drive from immediate area.
3. Raise attachments and drive from immediate area.
4. Contact utility company to shut off power.
4. Contact utility company to shut off power.
5. Do not return to area or allow anyone into area until given permission by utility company.
5. Do not return to area or allow anyone into area until given permission by utility company.
Off Tractor
Off Tractor
1. DO NOT TOUCH ANY EQUIPMENT.
1. DO NOT TOUCH ANY EQUIPMENT.
2. LEAVE AREA.
2. LEAVE AREA.
3. Contact utility company to shut off power.
3. Contact utility company to shut off power.
4. Do not return to area or allow anyone into area until given permission by utility company.
4. Do not return to area or allow anyone into area until given permission by utility company.
HT25 - SAFETY
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HT25 - SAFETY
23
EMERGENCY PROCEDURES
EMERGENCY PROCEDURES
If a Gas Line is Damaged
If a Gas Line is Damaged
1. Immediately shut off engine(s) and remove any ignition sources.
1. Immediately shut off engine(s) and remove any ignition sources.
2. LEAVE AREA as quickly as possible.
2. LEAVE AREA as quickly as possible.
3. Warn others that a gas line has been cut and that they should leave area.
3. Warn others that a gas line has been cut and that they should leave area.
4. Contact emergency personnel.
4. Contact emergency personnel.
5. Contact utility company.
5. Contact utility company.
6. Do not return to area until given permission by utility company.
6. Do not return to area until given permission by utility company.
If a Fiber Optic Cable is Damaged
If a Fiber Optic Cable is Damaged
Do not look into cut ends of fiber optic or unidentified cable. Vision damage can occur.
Do not look into cut ends of fiber optic or unidentified cable. Vision damage can occur.
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HT25 - SAFETY
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JOBSITE CLASSIFICATION
JOBSITE CLASSIFICATION
JOBSITE CLASSIFICATION
JOBSITE CLASSIFICATION
Inspecting Jobsite
Inspecting Jobsite
•
Follow U.S. Department of Labor regulations on excavating and trenching (Part 1926, Subpart P) and other similar regulations.
•
Follow U.S. Department of Labor regulations on excavating and trenching (Part 1926, Subpart P) and other similar regulations.
•
Contact One-Call (888-258-0808) and any utility companies which do not subscribe to One-Call.
•
Contact One-Call (888-258-0808) and any utility companies which do not subscribe to One-Call.
•
Inspect jobsite and perimeter for evidence of underground hazards, such as:
•
Inspect jobsite and perimeter for evidence of underground hazards, such as:
– “Buried utility” notices
– “Buried utility” notices
– Utility facilities without overhead lines
– Utility facilities without overhead lines
– Gas or water meters
– Gas or water meters
– Junction boxes
– Junction boxes
– Drop boxes
– Drop boxes
– Light poles
– Light poles
– Manhole covers
– Manhole covers
– Sunken ground
– Sunken ground
•
Have an experienced locating equipment operator sweep area within 20 feet (6 m) to each side of trench path. Verify previously marked line and cable locations.
•
Have an experienced locating equipment operator sweep area within 20 feet (6 m) to each side of trench path. Verify previously marked line and cable locations.
•
Mark location of all buried utilities and obstructions.
•
Mark location of all buried utilities and obstructions.
•
Classify jobsite.
•
Classify jobsite.
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JOBSITE CLASSIFICATION
JOBSITE CLASSIFICATION
Selecting a Classification
Selecting a Classification
Jobsites are classified according to underground hazards present.
Jobsites are classified according to underground hazards present.
If working . . .
then classify jobsite as . . .
If working . . .
then classify jobsite as . . .
within 10 ft (3 m) of a buried electric line
electric
within 10 ft (3 m) of a buried electric line
electric
within 10 ft (3 m) of a natural gas line
natural gas
within 10 ft (3 m) of a natural gas line
natural gas
in sand or granite which is capable of producing crystalline silica (quartz) dust
crystalline silica (quartz) dust
in sand or granite which is capable of producing crystalline silica (quartz) dust
crystalline silica (quartz) dust
within 10 ft (3 m) of any other hazard
other
within 10 ft (3 m) of any other hazard
other
NOTICE: If you have any doubt about jobsite classification, or if jobsite might contain unmarked hazards, take steps outlined previously to identify hazards and classify jobsite before working.
NOTICE: If you have any doubt about jobsite classification, or if jobsite might contain unmarked hazards, take steps outlined previously to identify hazards and classify jobsite before working.
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JOBSITE CLASSIFICATION
JOBSITE CLASSIFICATION
Applying Precautions
Applying Precautions
Once classified, precautions appropriate for jobsite must be taken.
Once classified, precautions appropriate for jobsite must be taken.
Electric Jobsite Precautions
Electric Jobsite Precautions
Use one or both of these methods.
Use one or both of these methods.
•
Expose line by careful hand digging or soft excavation.
•
Expose line by careful hand digging or soft excavation.
•
Have service shut down while work is in progress. Have electric company test lines before returning them to service.
•
Have service shut down while work is in progress. Have electric company test lines before returning them to service.
Natural Gas Jobsite Precautions
Natural Gas Jobsite Precautions
In addition to positioning equipment upwind from gas lines, use one or both of these methods.
In addition to positioning equipment upwind from gas lines, use one or both of these methods.
•
Expose lines by careful hand digging or soft excavation.
•
Expose lines by careful hand digging or soft excavation.
•
Have gas shut off while work is in progress. Have gas company test lines before returning them to service.
•
Have gas shut off while work is in progress. Have gas company test lines before returning them to service.
HT25 - SAFETY
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HT25 - SAFETY
27
JOBSITE CLASSIFICATION
JOBSITE CLASSIFICATION
Crystalline Silica (Quartz) Dust
Crystalline Silica (Quartz) Dust
Follow these guidelines when trenching, sawing or drilling through material that might produce dust containing crystalline silica (quartz) dust.
Follow these guidelines when trenching, sawing or drilling through material that might produce dust containing crystalline silica (quartz) dust.
1. Know the work operations where exposure to crystalline silica may occur. Be aware of health effects of crystallline silica and that smoking adds to the damage.
1. Know the work operations where exposure to crystalline silica may occur. Be aware of health effects of crystallline silica and that smoking adds to the damage.
2. Follow OSHA (or other) guidelines for exposure to airborne crystalline silica. Participate in air monitoring or training programs offered by employer.
2. Follow OSHA (or other) guidelines for exposure to airborne crystalline silica. Participate in air monitoring or training programs offered by employer.
3. Be aware of and use available engineering controls such as water sprays, local exhaust ventilation, and enclosed cabs with positive pressure air conditioning.
3. Be aware of and use available engineering controls such as water sprays, local exhaust ventilation, and enclosed cabs with positive pressure air conditioning.
4. Where respirators are required, wear one approved for protection against crystalline silica-containing dust. Do not alter respirator in any way. Workers using tight-fitting respirators cannot have beards/mustaches which interfere with respirator’s seal to the face.
4. Where respirators are required, wear one approved for protection against crystalline silica-containing dust. Do not alter respirator in any way. Workers using tight-fitting respirators cannot have beards/mustaches which interfere with respirator’s seal to the face.
5. If possible, change into disposable or washable work clothes at jobsite; shower and change into clean clothing before leaving jobsite.
5. If possible, change into disposable or washable work clothes at jobsite; shower and change into clean clothing before leaving jobsite.
6. Do not eat, drink, use tobacco products, or apply cosmetics in areas where there is dust containing crystalline silica. Wash hands and face before eating, drinking, smoking, or applying cosmetics outside exposure area.
6. Do not eat, drink, use tobacco products, or apply cosmetics in areas where there is dust containing crystalline silica. Wash hands and face before eating, drinking, smoking, or applying cosmetics outside exposure area.
7. Store food, drink, and personal belongings away from work area.
7. Store food, drink, and personal belongings away from work area.
Other Jobsite Precautions
Other Jobsite Precautions
You may need to use different methods to safely avoid other underground hazards. Talk with those responsible for hazards to determine which precautions should be taken or if job should be attempted.
You may need to use different methods to safely avoid other underground hazards. Talk with those responsible for hazards to determine which precautions should be taken or if job should be attempted.
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HT25 - SAFETY SAFETY ALERT CLASSIFICATIONS
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HT25 - SAFETY SAFETY ALERT CLASSIFICATIONS
SAFETY ALERT CLASSIFICATIONS
SAFETY ALERT CLASSIFICATIONS
These classifications and the icons defined on the following pages work together to alert you to situations which could be harmful to you, jobsite bystanders or your equipment. When you see these words and icons in the book or on the machine, carefully read and follow all instructions. YOUR SAFETY IS AT STAKE.
These classifications and the icons defined on the following pages work together to alert you to situations which could be harmful to you, jobsite bystanders or your equipment. When you see these words and icons in the book or on the machine, carefully read and follow all instructions. YOUR SAFETY IS AT STAKE.
Watch for the three safety alert levels: DANGER, WARNING and CAUTION. Learn what each level means.
Watch for the three safety alert levels: DANGER, WARNING and CAUTION. Learn what each level means.
indicates an imminently hazardous situation which, if not avoided, will result in death or serious injury.
indicates an imminently hazardous situation which, if not avoided, will result in death or serious injury.
indicates a potentially hazardous situation which, if not avoided, could result in death or serious injury.
indicates a potentially hazardous situation which, if not avoided, could result in death or serious injury.
indicates a potentially hazardous situation which, if not avoided, may result in minor or moderate injury.
indicates a potentially hazardous situation which, if not avoided, may result in minor or moderate injury.
Watch for two other words: NOTICE and IMPORTANT.
Watch for two other words: NOTICE and IMPORTANT.
NOTICE can keep you from doing something that might damage the machine or someone's property. It can also alert you against unsafe practices.
NOTICE can keep you from doing something that might damage the machine or someone's property. It can also alert you against unsafe practices.
IMPORTANT can help you do a better job or make your job easier in some way.
IMPORTANT can help you do a better job or make your job easier in some way.
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SAFETY ALERTS
SAFETY ALERTS
SAFETY ALERTS
SAFETY ALERTS Moving digging teeth will kill you or cut off arm or leg. Stay away.
Moving digging teeth will kill you or cut off arm or leg. Stay away.
Turning shaft will kill you or crush arm or leg. Stay away.
Turning shaft will kill you or crush arm or leg. Stay away.
Electric shock. Contacting electric lines will cause death or serious injury. Know location of lines and stay away.
Electric shock. Contacting electric lines will cause death or serious injury. Know location of lines and stay away.
Deadly gases. Lack of oxygen or presence of gas will cause sickness or death. Provide ventilation.
Deadly gases. Lack of oxygen or presence of gas will cause sickness or death. Provide ventilation.
30
HT25 - SAFETY SAFETY ALERTS
30
HT25 - SAFETY SAFETY ALERTS
Jobsite hazards could cause death or serious injury. Use correct equipment and work methods. Use and maintain proper safety equipment.
Jobsite hazards could cause death or serious injury. Use correct equipment and work methods. Use and maintain proper safety equipment.
Crushing weight could cause death or serious injury. Use proper procedures and equipment or stay away.
Crushing weight could cause death or serious injury. Use proper procedures and equipment or stay away.
Moving parts could cut off hand or foot. Stay away.
Rollover possible. If machine rolls over, you could be thrown from seat and killed or crushed. Wear seat belt.
Moving parts could cut off hand or foot. Stay away.
Rollover possible. If machine rolls over, you could be thrown from seat and killed or crushed. Wear seat belt.
HT25 - SAFETY
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HT25 - SAFETY
31
SAFETY ALERTS
SAFETY ALERTS
Explosion possible. Serious injury or equipment damage could occur. Follow directions carefully.
Explosion possible. Serious injury or equipment damage could occur. Follow directions carefully.
Incorrect procedures could result in death, injury, or property damage. Learn to use equipment correctly.
Incorrect procedures could result in death, injury, or property damage. Learn to use equipment correctly.
Looking into fiber optic cable could result in permanent vision damage. Do not look into ends of fiber optic or unidentified cable.
Looking into fiber optic cable could result in permanent vision damage. Do not look into ends of fiber optic or unidentified cable.
Fluid or air pressure could pierce skin and cause injury or death. Stay away.
Runaway possible. Machine could run over you or others. Learn how to use all controls. Start and operate only from operator’s position.
Fluid or air pressure could pierce skin and cause injury or death. Stay away.
Runaway possible. Machine could run over you or others. Learn how to use all controls. Start and operate only from operator’s position.
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HT25 - SAFETY SAFETY ALERTS
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HT25 - SAFETY SAFETY ALERTS
Fire or explosion possible. Fumes could ignite and cause burns. No smoking, no flame, no spark.
Fire or explosion possible. Fumes could ignite and cause burns. No smoking, no flame, no spark.
Moving traffic - hazardous situation. Death or serious injury could result. Avoid moving vehicles, wear high visibility clothing, post appropriate warning signs.
Moving traffic - hazardous situation. Death or serious injury could result. Avoid moving vehicles, wear high visibility clothing, post appropriate warning signs.
Hot pressurized cooling system fluid could cause serious burns. Allow to cool before servicing.
Hot pressurized cooling system fluid could cause serious burns. Allow to cool before servicing.
Improper control function could cause death or serious injury. If control does not work as described in instructions, stop machine and have it serviced.
Improper control function could cause death or serious injury. If control does not work as described in instructions, stop machine and have it serviced.
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HT25 - SAFETY
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HT25 - SAFETY SAFETY ALERTS
SAFETY ALERTS
Flying objects may cause injury. Wear hard hat and safety glasses.
Flying objects may cause injury. Wear hard hat and safety glasses.
Hot parts may cause burns. Do not
Hot parts may cause burns. Do not
touch until cool.
touch until cool.
Exposure to high noise levels may cause hearing loss. Wear hearing protection.
Exposure to high noise levels may cause hearing loss. Wear hearing protection.
Fall possible. Slips or trips may result in injury. Keep area clean.
Fall possible. Slips or trips may result in injury. Keep area clean.
Battery acid may cause burns.
Battery acid may cause burns.
Avoid contact.
Avoid contact.
Improper handling or use of chemicals may result in illness, injury, or equipment damage. Follow instructions on labels and in material safety data sheets (MSDS).
Improper handling or use of chemicals may result in illness, injury, or equipment damage. Follow instructions on labels and in material safety data sheets (MSDS).
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HT25 - SAFETY SAFETY ALERTS
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HT25 - SAFETY SAFETY ALERTS
35
HT25 - TRACTOR
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HT25 - TRACTOR DAILY INSPECTION
DAILY INSPECTION
TRACTOR
TRACTOR
DAILY INSPECTION
DAILY INSPECTION
For efficient use of your machine, do the following before each day's work.
For efficient use of your machine, do the following before each day's work.
•
Check general appearance of tractor and attachments. Look for loose, worn, or damaged parts and fluid leaks.
•
Check general appearance of tractor and attachments. Look for loose, worn, or damaged parts and fluid leaks.
•
Check condition of all wear items such as fan belts, etc. Check condition of attachment wear items.
•
Check condition of all wear items such as fan belts, etc. Check condition of attachment wear items.
•
Check fuel level.
•
Check fuel level.
•
Check that all signs, guards, and shields are in place and readable.
•
Check that all signs, guards, and shields are in place and readable.
Service machine according to schedules in LUBRICATION and MAINTENANCE and in engine manufacturer's guide.
Service machine according to schedules in LUBRICATION and MAINTENANCE and in engine manufacturer's guide.
Incorrect procedures could result in death, injury, or property damage. Learn to use equipment correctly.
Incorrect procedures could result in death, injury, or property damage. Learn to use equipment correctly.
sf1027
sf1027
NOTICES:
NOTICES:
•
Read operator's manual before operating equipment. Follow instructions carefully. Contact your Ditch Witch dealer for operation information or demonstration.
•
Read operator's manual before operating equipment. Follow instructions carefully. Contact your Ditch Witch dealer for operation information or demonstration.
•
Wear hard hat, safety glasses, and other protective gear required by job. Do not wear jewelry or loose clothing that can catch on controls.
•
Wear hard hat, safety glasses, and other protective gear required by job. Do not wear jewelry or loose clothing that can catch on controls.
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HT25 - TRACTOR
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HT25 - TRACTOR
STARTUP
STARTUP
STARTUP
STARTUP
Before operating tractor, read engine manufacturer’s starting and operating instructions. Follow instructions for new engine breakin.
Before operating tractor, read engine manufacturer’s starting and operating instructions. Follow instructions for new engine breakin.
1. Fasten seatbelt.
1. Fasten seatbelt.
2. Check that track controls and digging chain control are in neutral position.
2. Check that track controls and digging chain control are in neutral position.
3. Move hand throttle to 1/2 open.
3. Move hand throttle to 1/2 open.
Runaway possible. Machine could run over you or others. Learn how to use all controls. Start and operate only from operator’s position.
Runaway possible. Machine could run over you or others. Learn how to use all controls. Start and operate only from operator’s position.
sf1008
sf1008
4. If starting in cold weather, press glow plug button for appropriate length of time. See CONTROLS for more information.
4. If starting in cold weather, press glow plug button for appropriate length of time. See CONTROLS for more information.
HT25 - TRACTOR
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HT25 - TRACTOR
STARTUP
STARTUP
5. Turn key. Indicators will light.
5. Turn key. Indicators will light.
If engine does not turn, check start interlock display. See CONTROLS. If engine turns but does not start within 10 seconds, allow starter to cool before trying to start again. 6. After engine is started, run engine at half-throttle or less for five minutes before operating tractor. During warm up, check that all controls work properly.
If engine does not turn, check start interlock display. See CONTROLS. If engine turns but does not start within 10 seconds, allow starter to cool before trying to start again. 6. After engine is started, run engine at half-throttle or less for five minutes before operating tractor. During warm up, check that all controls work properly.
Improper control function could cause death or serious injury. If control does not work as described in instructions, stop machine and have it serviced. sf1020
37
Improper control function could cause death or serious injury. If control does not work as described in instructions, stop machine and have it serviced. sf1020
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HT25 - TRACTOR
OPERATION
OPERATION
OPERATION
OPERATION
1. Raise backfill blade and digging boom.
1. Raise backfill blade and digging boom.
2. Adjust throttle.
2. Adjust throttle.
3. Move track controls to forward or reverse.
3. Move track controls to forward or reverse.
Moving traffic – hazardous situation. Death or serious injury could result. Avoid moving vehicles, wear high visibility clothing, post appropriate warning signs.
Moving traffic – hazardous situation. Death or serious injury could result. Avoid moving vehicles, wear high visibility clothing, post appropriate warning signs.
sf1001
sf1001
SHUTDOWN
SHUTDOWN
1. When job is complete, move track controls to neutral.
1. When job is complete, move track controls to neutral.
2. Lower attachments to ground or stowed position.
2. Lower attachments to ground or stowed position.
3. Move throttle to idle and let machine idle for 3 minutes to cool engine.
3. Move throttle to idle and let machine idle for 3 minutes to cool engine.
4. Turn key to stop position. If leaving machine unattended, remove key.
4. Turn key to stop position. If leaving machine unattended, remove key.
5. For maintenance or long-term storage, turn optional battery disconnect switch to disconnect position.
5. For maintenance or long-term storage, turn optional battery disconnect switch to disconnect position.
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HT25 - TRANSPORTATION
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HT25 - TRANSPORTATION LIFT
LIFT
TRANSPORTATION
TRANSPORTATION
LIFT
LIFT
Lifting Points
Lifting Points
Lifting points are identified by lifting decals. Lifting at any other point can be unsafe and can damage machinery.
Lifting points are identified by lifting decals. Lifting at any other point can be unsafe and can damage machinery.
Lifting Unit
Lifting Unit
Before lifting, check SPECIFICATIONS. Use a hoist capable of supporting equipment’s size and weight.
Before lifting, check SPECIFICATIONS. Use a hoist capable of supporting equipment’s size and weight.
Crushing weight could cause death or serious injury. Use proper procedures and equipment or stay away. sf1026
Crushing weight could cause death or serious injury. Use proper procedures and equipment or stay away. sf1026
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TIEDOWN
HT25 - TRANSPORTATION TIEDOWN
TIEDOWN
TIEDOWN
Tiedown Points
Tiedown Points
Tiedown points are identified by tiedown decals. Securing unit to trailer at any other points may be unsafe and can damage machinery.
Tiedown points are identified by tiedown decals. Securing unit to trailer at any other points may be unsafe and can damage machinery.
Tie Down Unit
Tie Down Unit
Attach tiedowns at front and rear tiedown points. Make sure tiedowns are tight before transporting unit.
Attach tiedowns at front and rear tiedown points. Make sure tiedowns are tight before transporting unit.
HT25 - TRANSPORTATION
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HT25 - TRANSPORTATION
HAUL
HAUL
HAUL
HAUL Crushing weight could cause death or serious injury. Use proper procedures and equipment or stay away.
41
Crushing weight could cause death or serious injury. Use proper procedures and equipment or stay away.
sf1014
sf1014
NOTICES:
NOTICES:
•
Read trailer operator’s manual before loading or transporting your machine. Incorrectly loaded machine can slip or cause trailer sway.
•
Read trailer operator’s manual before loading or transporting your machine. Incorrectly loaded machine can slip or cause trailer sway.
•
Park, load, and unload trailer on a level part of jobsite. Check that unit and trailer do not exceed size or weight regulations.
•
Park, load, and unload trailer on a level part of jobsite. Check that unit and trailer do not exceed size or weight regulations.
Rollover possible. If machine rolls over, you could be thrown from seat and killed or crushed. Wear seat belt. sf1011
Rollover possible. If machine rolls over, you could be thrown from seat and killed or crushed. Wear seat belt. sf1011
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42
HT25 - TRANSPORTATION
HAUL
HAUL
Loading
Loading
1. Fasten seatbelt and start engine. See TRACTOR for startup procedures.
1. Fasten seatbelt and start engine. See TRACTOR for startup procedures.
2. Raise backfill blade and digging boom, but keep them low.
2. Raise backfill blade and digging boom, but keep them low.
NOTICE: Stability is reduced if digging boom is offset.
NOTICE: Stability is reduced if digging boom is offset.
3. Slowly drive tractor onto trailer until tiedown position is reached.
3. Slowly drive tractor onto trailer until tiedown position is reached.
4. Lower backfill blade and digging boom to trailer bed and turn off engine.
4. Lower backfill blade and digging boom to trailer bed and turn off engine.
5. Securely chain tractor and digging boom to trailer using tiedowns.
5. Securely chain tractor and digging boom to trailer using tiedowns.
NOTICE: Check that unit and trailer do not exceed size or weight regulations.
NOTICE: Check that unit and trailer do not exceed size or weight regulations.
HT25 - TRANSPORTATION
43
HT25 - TRANSPORTATION
HAUL
HAUL
Unloading
Unloading
1. Check that track drive controls are in neutral.
1. Check that track drive controls are in neutral.
2. Remove tiedowns.
2. Remove tiedowns.
3. Fasten seatbelt and start engine.
3. Fasten seatbelt and start engine.
Rollover possible. If machine rolls over, you could be thrown from seat and killed or crushed. Wear seat belt. sf1011
43
Rollover possible. If machine rolls over, you could be thrown from seat and killed or crushed. Wear seat belt. sf1011
4. Raise backfill blade and digging boom, but keep them low.
4. Raise backfill blade and digging boom, but keep them low.
5. Slowly drive tractor off trailer.
5. Slowly drive tractor off trailer.
44
HT25 - TRANSPORTATION
44
HT25 - TRANSPORTATION
TOW
TOW
TOW
TOW Incorrect procedures could result in death, injury, or property damage. Learn to use equipment correctly.
Incorrect procedures could result in death, injury, or property damage. Learn to use equipment correctly.
sf1027
sf1027
Under normal conditions, unit should not be towed. If unit becomes disabled and towing is necessary:
Under normal conditions, unit should not be towed. If unit becomes disabled and towing is necessary:
•
tow for short distances at less than 1 mph (1.6 km/h),
•
tow for short distances at less than 1 mph (1.6 km/h),
•
do not tow for more than 200 yd (183 m),
•
do not tow for more than 200 yd (183 m),
•
steering will be through tow vehicle only.
•
steering will be through tow vehicle only.
1. Attach tow line to tiedown points nearest the towing vehicle.
1. Attach tow line to tiedown points nearest the towing vehicle.
2. Fasten seat belt and begin towing.
2. Fasten seat belt and begin towing.
IMPORTANT: Tracks will not move. 3. Use tow vehicle or other lifting device to load unit onto trailer.
IMPORTANT: Tracks will not move. 3. Use tow vehicle or other lifting device to load unit onto trailer.
HT25 - TRENCHING
45
HT25 - TRENCHING
45
CONTROL OVERVIEW
CONTROL OVERVIEW
TRENCHING
TRENCHING
CONTROL OVERVIEW
CONTROL OVERVIEW
1. Boom lift control
1. Boom lift control
2. Digging chain control
2. Digging chain control
46
HT25 - TRENCHING
46
HT25 - TRENCHING
CONTROL DESCRIPTIONS
CONTROL DESCRIPTIONS
CONTROL DESCRIPTIONS
CONTROL DESCRIPTIONS
Boom Lift Control
Boom Lift Control
This lever raises or lowers digging boom.
This lever raises or lowers digging boom.
•
Push to lower.
•
Push to lower.
•
Pull to raise.
•
Pull to raise.
ic0127h.eps
ic0127h.eps
Digging Chain Control
Digging Chain Control
This switch starts the digging chain.
This switch starts the digging chain.
•
Slide orange tab down and press top of switch to start digging chain.
•
Slide orange tab down and press top of switch to start digging chain.
•
Press bottom of switch to stop digging chain.
•
Press bottom of switch to stop digging chain.
ic1035.eps
ic1035.eps
HT25 - TRENCHING
47
HT25 - TRENCHING
SETUP
SETUP
SETUP
SETUP Jobsite hazards could cause death or serious injury. Use correct equipment and work methods. Use and maintain proper safety equipment.
NOTICE: Know and comply with regulations covering One-Call service and utility notification before digging or drilling. Electrical shock. Contacting electrical lines will cause death or serious injury. Know location of lines and stay away.
NOTICE: Cutting high voltage cable can cause electrocution. Expose lines by hand before digging.
47
Jobsite hazards could cause death or serious injury. Use correct equipment and work methods. Use and maintain proper safety equipment. NOTICE: Know and comply with regulations covering One-Call service and utility notification before digging or drilling. Electrical shock. Contacting electrical lines will cause death or serious injury. Know location of lines and stay away.
NOTICE: Cutting high voltage cable can cause electrocution. Expose lines by hand before digging.
Incorrect procedures can result in death, injury, or property damage. Learn to use equipment correctly.
Incorrect procedures can result in death, injury, or property damage. Learn to use equipment correctly.
NOTICE: Cutting or drilling through concrete and rock that contain sand or quartz may result in exposure to silica dust that can cause lung disease. Use respirator, water spray, or other means to control dust. Silica dust is known to the state of California to cause cancer.
NOTICE: Cutting or drilling through concrete and rock that contain sand or quartz may result in exposure to silica dust that can cause lung disease. Use respirator, water spray, or other means to control dust. Silica dust is known to the state of California to cause cancer.
48
HT25 - TRENCHING
48
HT25 - TRENCHING
SETUP
SETUP
1. Fasten and adjust seat belt.
1. Fasten and adjust seat belt.
2. Start tractor and adjust throttle.
2. Start tractor and adjust throttle.
3. Raise boom and backfill blade.
3. Raise boom and backfill blade.
4. Adjust throttle and drive to starting point. Move in line with planned trench.
4. Adjust throttle and drive to starting point. Move in line with planned trench.
5. Lower backfill blade.
5. Lower backfill blade.
6. Lower boom to just above the ground.
6. Lower boom to just above the ground.
7. Check that digging chain control and track controls are in neutral.
7. Check that digging chain control and track controls are in neutral.
8. Check that boom is in line with planned trench.
8. Check that boom is in line with planned trench.
HT25 - TRENCHING
49
HT25 - TRENCHING
49
OPERATION
OPERATION
OPERATION
OPERATION
1. Lower backfill blade to reduce shock when trenching begins.
1. Lower backfill blade to reduce shock when trenching begins.
2. Adjust throttle.
2. Adjust throttle.
3. Engage digging chain control. DIGGING CHAIN WILL MOVE.
3. Engage digging chain control. DIGGING CHAIN WILL MOVE.
Moving digging teeth will cause death or serious injury. Stay away.
Moving digging teeth will cause death or serious injury. Stay away.
NOTICES:
NOTICES:
•
Machine might lunge when digging starts. Allow 3 feet (1 m) between digging teeth and obstacle.
•
Machine might lunge when digging starts. Allow 3 feet (1 m) between digging teeth and obstacle.
•
Keep everyone at least 6 feet (2 m) from machine, attachments, and their range of movement.
•
Keep everyone at least 6 feet (2 m) from machine, attachments, and their range of movement.
Flying objects thrown by machine may strike people. Wear hard hat and safety glasses. sf1023
Flying objects thrown by machine may strike people. Wear hard hat and safety glasses. sf1023
50
HT25 - TRENCHING
50
HT25 - TRENCHING
OPERATION
OPERATION
4. Increase engine speed to full throttle.
4. Increase engine speed to full throttle.
5. Slowly lower digging boom to desired trench depth.
5. Slowly lower digging boom to desired trench depth.
6. Raise backfill blade.
6. Raise backfill blade.
7. Push track controls forward to trenching speed.
7. Push track controls forward to trenching speed.
8. When trench is complete, move track controls to neutral.
8. When trench is complete, move track controls to neutral.
9. Move throttle to half open.
9. Move throttle to half open.
10. Raise boom. As boom clears top of trench, move digging chain control to neutral.
10. Raise boom. As boom clears top of trench, move digging chain control to neutral.
11. Drive forward, lower backfill blade and boom.
11. Drive forward, lower backfill blade and boom.
12. Move throttle to idle and let machine idle for three minutes to cool engine.
12. Move throttle to idle and let machine idle for three minutes to cool engine.
13. Turn ignition switch to stop position.
13. Turn ignition switch to stop position.
HT25 - TRENCHING
51
HT25 - TRENCHING
51
OPERATING TIPS
OPERATING TIPS
OPERATING TIPS
OPERATING TIPS
•
Avoid using badly worn teeth. When replacing teeth, maintain original pattern. Use Ditch Witch replacement teeth.
•
Avoid using badly worn teeth. When replacing teeth, maintain original pattern. Use Ditch Witch replacement teeth.
•
Operate engine at full throttle.
•
Operate engine at full throttle.
•
Do not make sharp turns. Lower boom to full depth when turning.
•
Do not make sharp turns. Lower boom to full depth when turning.
•
While trenching, steering is best accomplished by feathering one track control at a time, rather than both together.
•
While trenching, steering is best accomplished by feathering one track control at a time, rather than both together.
•
If an object becomes lodged in chain, move digging chain clutch to neutral and raise boom slightly. If object must be removed manually, turn engine off.
•
If an object becomes lodged in chain, move digging chain clutch to neutral and raise boom slightly. If object must be removed manually, turn engine off.
•
Before operating with rock chains, check bits for free rotation. Tap bits lightly with a hammer and turn by hand. If bits are stuck, remove and clean packed soil from bit block.
•
Before operating with rock chains, check bits for free rotation. Tap bits lightly with a hammer and turn by hand. If bits are stuck, remove and clean packed soil from bit block.
•
Carbide bits are recommended for cutting abrasive material, such as sandstone or frozen sands or gravels.
•
Carbide bits are recommended for cutting abrasive material, such as sandstone or frozen sands or gravels.
OPTIONAL EQUIPMENT
OPTIONAL EQUIPMENT
Chain
Chain
A variety of chains, teeth, and tooth patterns are available to provide efficient digging at any jobsite. For more information, contact your Ditch Witch dealer.
A variety of chains, teeth, and tooth patterns are available to provide efficient digging at any jobsite. For more information, contact your Ditch Witch dealer.
Trench Cleaner
Trench Cleaner
Trench cleaners remove spoils from the trench floor. For more information about the mechanical trench cleaner available for use on the HT25, contact your Ditch Witch dealer.
Trench cleaners remove spoils from the trench floor. For more information about the mechanical trench cleaner available for use on the HT25, contact your Ditch Witch dealer.
52
HT25 - TRENCHING
52
HT25 - TRENCHING
HT25 - BACKHOE
53
HT25 - BACKHOE
53
CONTROL OVERVIEW
CONTROL OVERVIEW
BACKHOE
BACKHOE
CONTROL OVERVIEW
CONTROL OVERVIEW
1. Bucket/dipper control
1. Bucket/dipper control
2. Boom/swing control
2. Boom/swing control
3. Position adjustment sleeves
3. Position adjustment sleeves
4. Stow lock
4. Stow lock
54
HT25 - BACKHOE
54
HT25 - BACKHOE
CONTROL DESCRIPTIONS
CONTROL DESCRIPTIONS
CONTROL DESCRIPTIONS
CONTROL DESCRIPTIONS
Position Adjustment Sleeves
Position Adjustment Sleeves
These sleeves allow movement of boom/swing control and bucket/ dipper control between stowed position and operating position.
These sleeves allow movement of boom/swing control and bucket/ dipper control between stowed position and operating position.
•
Lift sleeve (1) and pull control (2) to operating position. Release sleeve before operating.
•
Lift sleeve (1) and pull control (2) to operating position. Release sleeve before operating.
•
Lift sleeve and push control to stowed position. Release sleeve.
•
Lift sleeve and push control to stowed position. Release sleeve.
NOTICE: Do not operate backhoe with control in the stowed (upright) position. Component failure could occur. Return control to stowed position when finished operating.
NOTICE: Do not operate backhoe with control in the stowed (upright) position. Component failure could occur. Return control to stowed position when finished operating.
Bucket/Dipper Control
Bucket/Dipper Control
This control opens or closes bucket and moves dipper in or out.
This control opens or closes bucket and moves dipper in or out.
•
Move right to open bucket
•
Move right to open bucket
•
Move left to close bucket.
•
Move left to close bucket.
•
Pull to move dipper in.
•
Pull to move dipper in.
•
Push to move dipper out.
•
Push to move dipper out.
ic0043c.eps
Control can perform more than one action at a time. Using them together, operator can “feather,” or combine backhoe operations.
ic0043c.eps
Control can perform more than one action at a time. Using them together, operator can “feather,” or combine backhoe operations.
55
HT25 - BACKHOE
CONTROL DESCRIPTIONS
Boom/Swing Control
Boom/Swing Control
This control moves boom left or right and raises or lowers boom.
This control moves boom left or right and raises or lowers boom.
•
Move left to swing left.
•
Move left to swing left.
•
Move right to swing right.
•
Move right to swing right.
•
Pull to raise.
•
Pull to raise.
•
Push to lower.
•
Push to lower.
ic0042c.eps
55
HT25 - BACKHOE
CONTROL DESCRIPTIONS
ic0042c.eps
Control can perform more than one action at a time. Using them together, operator can “feather,” or combine, backhoe operations.
Control can perform more than one action at a time. Using them together, operator can “feather,” or combine, backhoe operations.
Stow Lock
Stow Lock
This control locks boom during transport.
This control locks boom during transport.
To lock:
To lock:
•
Turn handle counterclockwise.
•
Turn handle counterclockwise.
•
Raise boom fully.
•
Raise boom fully.
•
Release handle. Boom will settle into latch.
•
Release handle. Boom will settle into latch.
To release:
To release:
•
Lift boom slightly.
•
Lift boom slightly.
•
Turn handle counterclockwise to release latch.
•
Turn handle counterclockwise to release latch.
•
Lower boom slightly.
•
Lower boom slightly.
•
Release handle.
•
Release handle.
56
HT25 - BACKHOE
56
HT25 - BACKHOE
SETUP
SETUP
SETUP
SETUP
1. Move track controls to neutral position.
1. Move track controls to neutral position.
2. Lower rear attachment to 6 in (152 mm) above ground.
2. Lower rear attachment to 6 in (152 mm) above ground.
3. Check that backfill blade is straight and lower it to ground.
3. Check that backfill blade is straight and lower it to ground.
4. Adjust throttle.
4. Adjust throttle.
NOTICE: Engine speed affects speed of backhoe operation.
NOTICE: Engine speed affects speed of backhoe operation.
5. Raise boom to release tension on stow lock.
5. Raise boom to release tension on stow lock.
6. Release stow lock.
6. Release stow lock.
57
HT25 - BACKHOE
57
HT25 - BACKHOE
OPERATION
OPERATION
OPERATION
OPERATION
1. Use boom/swing control and bucket/dipper control to dig hole or trench.
1. Use boom/swing control and bucket/dipper control to dig hole or trench.
•
Keep dipper and boom at right angles as much as possible for maximum power.
•
Keep dipper and boom at right angles as much as possible for maximum power.
•
Keep bucket in line with dipper as much as possible.
•
Keep bucket in line with dipper as much as possible.
om1761x
•
Position bucket so teeth cut soil. As soil is cut, curl bucket under dipper.
•
Position bucket so teeth cut soil. As soil is cut, curl bucket under dipper.
•
Move dipper and bucket together. Increasing engine speed will not increase backhoe force.
•
Move dipper and bucket together. Increasing engine speed will not increase backhoe force.
om1762
om1761x
om1762
2. When hole or trench is complete, lift boom while keeping dipper pointed at ground.
2. When hole or trench is complete, lift boom while keeping dipper pointed at ground.
3. Curl bucket closed and move dipper fully toward boom.
3. Curl bucket closed and move dipper fully toward boom.
4. Lift boom to highest position and latch stow lock.
4. Lift boom to highest position and latch stow lock.
58
HT25 - BACKHOE
58
HT25 - BACKHOE
59
HT25 - LUBRICATION
59
HT25 - LUBRICATION
LUBRICATION
LUBRICATION
Proper lubrication and maintenance protects Ditch Witch equipment from damage and failure. In extreme conditions, lubricate more frequently.
Proper lubrication and maintenance protects Ditch Witch equipment from damage and failure. In extreme conditions, lubricate more frequently.
Use only recommended lubricants. Fill to capacities listed in SPECIFICATIONS.
Use only recommended lubricants. Fill to capacities listed in SPECIFICATIONS.
Recommended Lubricants
Recommended Lubricants
DEO
Diesel engine oil (SAE 10W40) meeting API engine service classification SF/CD or CE
DEO
EPG
Extreme pressure grease
EPG
Extreme pressure grease
MPL
Multipurpose gear oil (SAE 80W90) meeting API service classification GL-5
MPL
Multipurpose gear oil (SAE 80W90) meeting API service classification GL-5
THF
Tractor hydraulic fluid, similar to Phillips 66 HG, Mobilfluid 423, Chevron Tractor Hydraulic Fluid, Texaco TDH Oil, or equivalent
THF
Tractor hydraulic fluid, similar to Phillips 66 HG, Mobilfluid 423, Chevron Tractor Hydraulic Fluid, Texaco TDH Oil, or equivalent
Diesel engine oil (SAE 10W40) meeting API engine service classification SF/CD or CE
Incorrect procedures could result in death, injury, or property damage. Learn to use equipment correctly.
Incorrect procedures could result in death, injury, or property damage. Learn to use equipment correctly.
sf1027
sf1027
NOTICES:
NOTICES:
•
Unless otherwise instructed, all service should be performed with engine off.
•
Unless otherwise instructed, all service should be performed with engine off.
•
Refer to engine manufacturer’s manual for engine maintenance instructions.
•
Refer to engine manufacturer’s manual for engine maintenance instructions.
•
Before servicing equipment, lower unstowed attachments to ground.
•
Before servicing equipment, lower unstowed attachments to ground.
60
HT25 - LUBRICATION
60
HT25 - LUBRICATION
OVERVIEW
OVERVIEW
OVERVIEW
OVERVIEW
(DEO) 10W40 diesel engine oil
(THF) Tractor hydraulic fluid
(DEO) 10W40 diesel engine oil
(THF) Tractor hydraulic fluid
(MPL) 80W90 Multipurpose lubricant
(EPG) Extreme pressure grease
(MPL) 80W90 Multipurpose lubricant
(EPG) Extreme pressure grease
Filter
Check
Filter
Check
61
HT25 - LUBRICATION
61
HT25 - LUBRICATION
SCHEDULE
SCHEDULE
SCHEDULE
SCHEDULE
Interval
Task
Page
Interval
Task
Page
10 hours
Check engine oil
63
10 hours
Check engine oil
63
Check hydraulic oil
67
Check hydraulic oil
67
Lube trencher pivot
69
Lube trencher pivot
69
Lube trencher tail roller
69
Lube trencher tail roller
69
Lube trencher outboard bearing (centerline attachments only)
69
Lube trencher outboard bearing (centerline attachments only)
69
Lube backfill blade pivot
71
Lube backfill blade pivot
71
Change engine oil and filter (initial)
63
Change engine oil and filter (initial)
63
Change hydraulic oil filter (initial)
67
Change hydraulic oil filter (initial)
67
Check trencher gearbox oil
70
Check trencher gearbox oil
70
Change trencher gearbox oil (initial)
70
Change trencher gearbox oil (initial)
70
Check track planetary oil
65
Check track planetary oil
65
Change track planetary oil (initial)
65
Change track planetary oil (initial)
65
150 hours
Change engine oil and filter
63
150 hours
Change engine oil and filter
63
250 hours
Change hydraulic oil filter
67
250 hours
Change hydraulic oil filter
67
500 hours
Change trencher gearbox oil
70
500 hours
Change trencher gearbox oil
70
1000 hours
Change track planetary oil
65
1000 hours
Change track planetary oil
65
Change hydraulic oil
67
Change hydraulic oil
67
50 hours
100 hours
50 hours
100 hours
62
HT25 - LUBRICATION
62
HT25 - LUBRICATION
ENGINE
ENGINE
ENGINE
ENGINE
Ref.
Task
Hours
Lubricant
Ref.
Task
Hours
Lubricant
2
Check engine oil
10
DEO
2
Check engine oil
10
DEO
1,3,4
Change engine oil and filter (initial)
50
DEO
1,3,4
Change engine oil and filter (initial)
50
DEO
1,3,4
Change engine oil and filter
150
DEO
1,3,4
Change engine oil and filter
150
DEO
63
HT25 - LUBRICATION
ENGINE
Engine Oil and Filter
Engine Oil and Filter
Check
Check
Check engine oil at dipstick (1) before operation and every 10 hours thereafter.
1
2
Add DEO at fill (2) as necessary to keep oil level at highest line on dipstick.
63
HT25 - LUBRICATION
ENGINE
Check engine oil at dipstick (1) before operation and every 10 hours thereafter.
1
2
Add DEO at fill (2) as necessary to keep oil level at highest line on dipstick. om0448h.eps
om0448h.eps
Change
Change
Change oil and filter after first 50 hours of operation and every 150 hours thereafter. Change oil more frequently if working in dusty conditions.
Change oil and filter after first 50 hours of operation and every 150 hours thereafter. Change oil more frequently if working in dusty conditions.
•
Drain crankcase through drain (2) while oil is warm.
•
Drain crankcase through drain (2) while oil is warm.
•
Replace filter (1) each time oil is changed.
•
Replace filter (1) each time oil is changed.
•
Refill with DEO at fill neck.
•
Refill with DEO at fill neck.
64
HT25 - LUBRICATION
64
HT25 - LUBRICATION
GROUND DRIVE
GROUND DRIVE
GROUND DRIVE
GROUND DRIVE
Task
Hours
Lubricant
Task
Hours
Lubricant
Check track planetary oil
100
MPL
Check track planetary oil
100
MPL
Change track planetary oil (initial)
100
MPL
Change track planetary oil (initial)
100
MPL
Change track planetary oil
1000
MPL
Change track planetary oil
1000
MPL
HT25 - LUBRICATION
65
HT25 - LUBRICATION
GROUND DRIVE
GROUND DRIVE
Track Planetary Oil
Track Planetary Oil
Check
Check
Check oil level every 100 hours. Position gearbox as shown. Oil should be level with plugs. Fill at one plug and use the other to check oil level.
Check oil level every 100 hours. Position gearbox as shown. Oil should be level with plugs. Fill at one plug and use the other to check oil level.
om0450h.eps
65
om0450h.eps
Change
Change
Change oil after first 100 hours of operation and every 1000 hours thereafter. To change:
Change oil after first 100 hours of operation and every 1000 hours thereafter. To change:
•
Position gearbox as shown.
•
Position gearbox as shown.
•
Remove both plugs and drain the oil.
•
Remove both plugs and drain the oil.
•
Position gearbox with plugs aligned horizontally.
•
Position gearbox with plugs aligned horizontally.
•
Fill at one plug and use the other to check oil level.
•
Fill at one plug and use the other to check oil level.
om0456h.eps
om0456h.eps
66
HT25 - LUBRICATION
66
HT25 - LUBRICATION
HYDRAULICS
HYDRAULICS
HYDRAULICS
HYDRAULICS
Ref.
Task
Hours
Lubricant
Ref.
Task
Hours
Lubricant
2
Check hydraulic oil
10
THF
2
Check hydraulic oil
10
THF
4
Change hydraulic oil filter (initial)
50
4
Change hydraulic oil filter (initial)
50
4
Change hydraulic oil filter
250
4
Change hydraulic oil filter
250
1,3,4
Change hydraulic oil
1000
1,3,4
Change hydraulic oil
1000
THF
THF
HT25 - LUBRICATION
67
HT25 - LUBRICATION
67
HYDRAULICS
HYDRAULICS
Hydraulic Oil
Hydraulic Oil
Check
Check
With frame level and digging boom fully raised, check oil at sight glass (2) every 10 hours.
With frame level and digging boom fully raised, check oil at sight glass (2) every 10 hours.
Add THF at fill (3) as necessary. Clean dust from cap by blowing with low-pressure air.
Add THF at fill (3) as necessary. Clean dust from cap by blowing with low-pressure air.
Change
Change
Change oil filter at 50 hours and every 250 hours thereafter.
Change oil filter at 50 hours and every 250 hours thereafter.
Drain hydraulic oil (1), change filter (4), and refill with THF every 1000 hours. Change oil and filter every 500 hours if jobsite temperature exceeds 100°F (38°C) more than 50% of the time.
Drain hydraulic oil (1), change filter (4), and refill with THF every 1000 hours. Change oil and filter every 500 hours if jobsite temperature exceeds 100°F (38°C) more than 50% of the time.
68
HT25 - LUBRICATION
68
HT25 - LUBRICATION
TRENCHER
TRENCHER
TRENCHER
TRENCHER
Ref.
Task
Hours
Lubricant
Ref.
Task
Hours
Lubricant
1
Lube tail roller
10
EPG
1
Lube tail roller
10
EPG
2
Lube pivot
10
EPG
2
Lube pivot
10
EPG
3
Lube outboard bearing (centerline attachments only)
10
EPG
3
Lube outboard bearing (centerline attachments only)
10
EPG
4
Check trencher gearbox oil
50
MPL
4
Check trencher gearbox oil
50
MPL
4
Change trencher gearbox oil (initial)
50
MPL
4
Change trencher gearbox oil (initial)
50
MPL
4
Change trencher gearbox oil
500
MPL
4
Change trencher gearbox oil
500
MPL
HT25 - LUBRICATION
69
HT25 - LUBRICATION
TRENCHER
TRENCHER
Pivot
Pivot
Wipe zerk clean and lube every 10 hours with EPG.
Wipe zerk clean and lube every 10 hours with EPG.
Tail Roller
Tail Roller
Wipe zerk clean and lube every 10 hours with EPG.
Wipe zerk clean and lube every 10 hours with EPG.
Outboard Bearing
Outboard Bearing
On centerline attachments, wipe zerk clean and lube every 10 hours with EPG. Offset attachment bearing does not need greasing.
On centerline attachments, wipe zerk clean and lube every 10 hours with EPG. Offset attachment bearing does not need greasing.
69
70
HT25 - LUBRICATION
70
TRENCHER
HT25 - LUBRICATION TRENCHER
Gearbox
Gearbox
Check
Check
Check oil at fill plug (1) every 50 hours. Keep oil level at plug. If necessary, add MPL at fill plug.
Check oil at fill plug (1) every 50 hours. Keep oil level at plug. If necessary, add MPL at fill plug.
Change
Change
Change oil after 50 hours and every 500 hours thereafter. Drain at drain plug (2). Replace drain plug and add MPL at fill plug until oil is level with plug.
Change oil after 50 hours and every 500 hours thereafter. Drain at drain plug (2). Replace drain plug and add MPL at fill plug until oil is level with plug.
HT25 - LUBRICATION
71
HT25 - LUBRICATION
BACKFILL BLADE
BACKFILL BLADE
BACKFILL BLADE
BACKFILL BLADE
Pivot
Pivot
Wipe zerk clean and lube every 10 hours with EPG.
Wipe zerk clean and lube every 10 hours with EPG.
71
72
HT25 - LUBRICATION
72
HT25 - LUBRICATION
73
HT25 - MAINTENANCE
73
HT25 - MAINTENANCE
MAINTENANCE
MAINTENANCE
Incorrect procedures could result in death, injury, or property damage. Learn to use equipment correctly.
Incorrect procedures could result in death, injury, or property damage. Learn to use equipment correctly.
NOTICES:
NOTICES:
•
Unless otherwise instructed, all service should be performed with engine shut off.
•
Unless otherwise instructed, all service should be performed with engine shut off.
•
Refer to engine manufacturer’s manual for engine maintenance instructions.
•
Refer to engine manufacturer’s manual for engine maintenance instructions.
•
Before servicing equipment, lower unstowed attachments to ground.
•
Before servicing equipment, lower unstowed attachments to ground.
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OVERVIEW
OVERVIEW
OVERVIEW
OVERVIEW
Interval
Task
Page
Interval
Task
Page
10 hours
Check coolant level
78
10 hours
Check coolant level
78
Check track tension
81
Check track tension
81
Check hydraulic hoses
83
Check hydraulic hoses
83
Check fuel filter
76
Check fuel filter
76
Check digging chain teeth
86
Check digging chain teeth
86
Check digging chain
86
Check digging chain
86
Check/adjust digging chain tension
87
Check/adjust digging chain tension
87
Check boom mounting bolts
88
Check boom mounting bolts
88
Check attachment mounting bolts
88
Check attachment mounting bolts
88
Check personnel restraint bar bolts
88
Check personnel restraint bar bolts
88
Check fan belt
77
Check fan belt
77
Check air filter
79
Check air filter
79
Check track sprocket bolts (initial)
82
Check track sprocket bolts (initial)
82
Change fuel filter
76
Change fuel filter
76
Change in-line fuel filter
76
Change in-line fuel filter
76
Check track sprocket bolts
82
Check track sprocket bolts
82
Check front idler roller
82
Check front idler roller
82
250 hours
Change air filter
79
250 hours
Change air filter
79
500 hours
Replace fan belt
77
500 hours
Replace fan belt
77
2000 hours
Change coolant
78
2000 hours
Change coolant
78
As needed
Adjust track tension
81
As needed
Adjust track tension
81
Check battery
84
Check battery
84
Check fuses
84
Check fuses
84
Replace digging chain
89
Replace digging chain
89
50 hours
100 hours
50 hours
100 hours
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HT25 - MAINTENANCE
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ENGINE
ENGINE
ENGINE
ENGINE
Ref.
Task
Hours
Ref.
Task
Hours
4
Check coolant level
10
4
Check coolant level
10
3
Check fan belt
50
3
Check fan belt
50
2
Check air filter
50
2
Check air filter
50
1
Change fuel filter
100
1
Change fuel filter
100
5
Change in-line fuel filter
100
5
Change in-line fuel filter
100
2
Change air filter
250
2
Change air filter
250
3
Replace fan belt
500
3
Replace fan belt
500
4
Change coolant
2000
4
Change coolant
2000
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ENGINE
ENGINE
Fuel Filters
Fuel Filters
To access fuel filters, remove rear engine access panel.
To access fuel filters, remove rear engine access panel.
Change
Change
Change fuel filter and inline fuel filter every 100 hours. To change:
Change fuel filter and inline fuel filter every 100 hours. To change:
•
Remove filter.
•
Remove filter.
•
Install new filter. Apply fuel oil thinly over the gasket and hand-tighten.
•
Install new filter. Apply fuel oil thinly over the gasket and hand-tighten.
•
Air-bleed the injection pump.
•
Air-bleed the injection pump.
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ENGINE
ENGINE
Fan Belt
Fan Belt
Check
Check
Check belt every 50 hours for damage or wear. Replace worn belt.
Check belt every 50 hours for damage or wear. Replace worn belt.
Adjust
Adjust
•
Turn off engine and remove key.
•
Turn off engine and remove key.
•
Apply moderate thumb pressure to belt between pulleys, as shown.
•
Apply moderate thumb pressure to belt between pulleys, as shown.
•
Belt is properly tensioned when deflection is about 0.28 to 0.35 in (7 to 9 mm).
•
Belt is properly tensioned when deflection is about 0.28 to 0.35 in (7 to 9 mm).
•
om0466h.eps
If needed, loosen alternator bolts (shown) and pull alternator out until correct tension is reached.
•
om0466h.eps
If needed, loosen alternator bolts (shown) and pull alternator out until correct tension is reached.
Replace
Replace
Replace belt every 500 hours.
Replace belt every 500 hours.
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ENGINE
ENGINE
Cooling System
Cooling System
Check
Check
Check coolant level in overflow tank every 10 hours. Coolant should be between LOW and FULL marks on tank.
Check coolant level in overflow tank every 10 hours. Coolant should be between LOW and FULL marks on tank.
Fill as needed with only Ditch Witch approved coolant (p/n 255006), or other fully formulated om0462h.eps ethylene-glycol-based heavy duty engine coolant meeting ASTM specification D6210, TMC RP329, or John Deere specification JDM H24A2. Do not fill over FULL mark on tank.
Fill as needed with only Ditch Witch approved coolant (p/n 255006), or other fully formulated om0462h.eps ethylene-glycol-based heavy duty engine coolant meeting ASTM specification D6210, TMC RP329, or John Deere specification JDM H24A2. Do not fill over FULL mark on tank.
Check clamps and hoses for looseness or wear. Tighten loose clamps. Replace swollen, hardened, or cracked hoses.
Check clamps and hoses for looseness or wear. Tighten loose clamps. Replace swollen, hardened, or cracked hoses.
Change
Change
Change coolant every 2000 hours.
Change coolant every 2000 hours.
•
Allow engine to cool.
•
Allow engine to cool.
•
Open two drains (3, 4) and radiator cap and drain coolant.
•
Open two drains (3, 4) and radiator cap and drain coolant.
•
Drain overflow tank.
•
Drain overflow tank.
•
Close drains and fill (1, 2) with a 50-50 mix of anti-freeze and water.
•
Close drains and fill (1, 2) with a 50-50 mix of anti-freeze and water.
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ENGINE
ENGINE
Air Filter
Air Filter
To better access air filter, slide out overflow tank.
To better access air filter, slide out overflow tank.
Check
Check
Check filter and suction hose every 50 hours for wear or holes. Check more often if working in dusty conditions.
Check filter and suction hose every 50 hours for wear or holes. Check more often if working in dusty conditions.
Change Change air filter every 250 hours or when yellow band in air filter service indicator reaches red line.
Change Change air filter every 250 hours or when yellow band in air filter service indicator reaches red line.
1
2
1. Open air filter housing.
1. Open air filter housing.
2. Remove primary (2) and safety (1) elements.
2. Remove primary (2) and safety (1) elements.
3. Wipe inside of housing and wash end cup.
om0465h.eps
3. Wipe inside of housing and wash end cup.
4. Insert new primary and safety elements.
4. Insert new primary and safety elements.
5. Close air filter case.
5. Close air filter case.
6. Reset air filter service indicator.
6. Reset air filter service indicator.
1
2
om0465h.eps
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GROUND DRIVE
GROUND DRIVE
GROUND DRIVE
GROUND DRIVE
Ref.
Task
Hours
Ref.
Task
Hours
3
Check track tension
10
3
Check track tension
10
1
Check sprocket bolts (initial)
50
1
Check sprocket bolts (initial)
50
1
Check sprocket bolts
100
1
Check sprocket bolts
100
4
Check front idler roller
100
4
Check front idler roller
100
2, 3
Adjust track tension
As needed
2, 3
Adjust track tension
As needed
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GROUND DRIVE
GROUND DRIVE
Track Tension
Track Tension
Check
Check
Check track tension every 10 hours. Measure length of spring as shown. When tracks are correctly tensioned, spring should measure 9 1/2 in (241 mm).
Check track tension every 10 hours. Measure length of spring as shown. When tracks are correctly tensioned, spring should measure 9 1/2 in (241 mm).
Adjust
Adjust
To increase track tension, turn screw clockwise. To reduce track tension, turn screw counterclockwise.
To increase track tension, turn screw clockwise. To reduce track tension, turn screw counterclockwise.
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GROUND DRIVE
HT25 - MAINTENANCE GROUND DRIVE
Track Sprocket Bolts
Track Sprocket Bolts
Check sprocket bolts after first 50 hours and every 100 hours thereafter. Torque bolts to 70 ft•lb (95 N•m).
Check sprocket bolts after first 50 hours and every 100 hours thereafter. Torque bolts to 70 ft•lb (95 N•m).
Front Idler Roller
Front Idler Roller
Check front idler roller for wear every 100 hours. Replace if needed.
Check front idler roller for wear every 100 hours. Replace if needed.
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HYDRAULICS
HYDRAULICS
HYDRAULICS
HYDRAULICS
NOTICE: Before disconnecting any hydraulic line, turn engine off and operate all controls to relieve pressure. Lower, block or support any raised component. Cover connection with heavy cloth and loosen connector nut slightly to relieve residual pressure. Catch all fluid in container.
NOTICE: Before disconnecting any hydraulic line, turn engine off and operate all controls to relieve pressure. Lower, block or support any raised component. Cover connection with heavy cloth and loosen connector nut slightly to relieve residual pressure. Catch all fluid in container.
Hoses
Hoses
Check hoses every 10 hours for wear or damage. Replace as needed.
Check hoses every 10 hours for wear or damage. Replace as needed.
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ELECTRICAL
HT25 - MAINTENANCE ELECTRICAL
ELECTRICAL
ELECTRICAL
Battery and fuses are located under seat.
Battery and fuses are located under seat.
Battery
Battery
Check battery connections for wear or corrosion. Keep connections clean and tight. Batteries supplied by factory are maintenance-free. Service replacement batteries according to manufacturer’s instructions.
Check battery connections for wear or corrosion. Keep connections clean and tight. Batteries supplied by factory are maintenance-free. Service replacement batteries according to manufacturer’s instructions. om0464h.eps
om0464h.eps
Fuses
Fuses
Change fuses as needed. Replace blown fuses with spares in fuse box.
Change fuses as needed. Replace blown fuses with spares in fuse box.
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TRENCHER
TRENCHER
TRENCHER
TRENCHER
Ref.
Task
Hours
Ref.
Task
Hours
1
Check digging chain teeth
10
1
Check digging chain teeth
10
2
Check digging chain
10
2
Check digging chain
10
3
Check/adjust digging chain tension
10
3
Check/adjust digging chain tension
10
4
Check boom mounting bolts
10
4
Check boom mounting bolts
10
6
Check attachment mounting bolts
10
6
Check attachment mounting bolts
10
5
Check personnel restraint bar bolts
10
5
Check personnel restraint bar bolts
10
2
Replace digging chain
As needed
2
Replace digging chain
As needed
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TRENCHER
HT25 - MAINTENANCE TRENCHER
Teeth and Bits
Teeth and Bits
Check teeth for wear every 10 hours. Replace worn teeth, using Ditch Witch replacement parts and maintaining original tooth pattern.
Check teeth for wear every 10 hours. Replace worn teeth, using Ditch Witch replacement parts and maintaining original tooth pattern.
For more efficient digging, contact your Ditch Witch dealer for information about the tooth pattern best suited to your jobsite.
For more efficient digging, contact your Ditch Witch dealer for information about the tooth pattern best suited to your jobsite.
If using rock chain bits, check that bits rotate freely. Clean chain and check bits after each use. Replace bit when tungsten cap or insert is worn, or adapter can be damaged.
If using rock chain bits, check that bits rotate freely. Clean chain and check bits after each use. Replace bit when tungsten cap or insert is worn, or adapter can be damaged.
Chain
Chain
Check chain every 10 hours. Replace worn or broken chains. If sidebars are bent or loose on chain pins, chain spacers should be used to join sidebars.
Check chain every 10 hours. Replace worn or broken chains. If sidebars are bent or loose on chain pins, chain spacers should be used to join sidebars.
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TRENCHER
TRENCHER
Chain Tension
Chain Tension
Adjust digging chain tension every 10 hours.
Adjust digging chain tension every 10 hours.
With boom horizontal, pull up on chain until it is taut. Measure distance (2) from top of boom to chain. Correct distance is 1.5 to 2 in (40 to 50 mm).
With boom horizontal, pull up on chain until it is taut. Measure distance (2) from top of boom to chain. Correct distance is 1.5 to 2 in (40 to 50 mm).
To tighten chain, pump MPG into cylinder at check valve zerk (1).
To tighten chain, pump MPG into cylinder at check valve zerk (1).
NOTICE: Do not overtension chain. Premature chain failure could result.
NOTICE: Do not overtension chain. Premature chain failure could result.
To relieve digging chain tension, stand on opposite side of boom and unscrew check valve zerk (1) to release grease.
To relieve digging chain tension, stand on opposite side of boom and unscrew check valve zerk (1) to release grease.
Fluid pressure could pierce skin and cause injury or death. Stay away.
Fluid pressure could pierce skin and cause injury or death. Stay away.
NOTICE: Service digging boom grease cylinder only while standing on opposite side of boom. Wear gloves and safety glasses and cover fitting with cloth when relieving pressure in cylinder.
NOTICE: Service digging boom grease cylinder only while standing on opposite side of boom. Wear gloves and safety glasses and cover fitting with cloth when relieving pressure in cylinder.
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TRENCHER
HT25 - MAINTENANCE TRENCHER
Boom Mounting Bolts
Boom Mounting Bolts
Check 4 bolts every 10 hours for looseness or wear. Torque as necessary to keep bolts and nuts tight.
Check 4 bolts every 10 hours for looseness or wear. Torque as necessary to keep bolts and nuts tight.
Attachment Mounting Bolts
Attachment Mounting Bolts
Check two upper and two lower bolts every 10 hours for looseness or wear. Torque as necessary to keep bolts and nuts tight.
Check two upper and two lower bolts every 10 hours for looseness or wear. Torque as necessary to keep bolts and nuts tight.
Personnel Restraint Bar
Personnel Restraint Bar
Check one bolt every 10 hours for looseness or wear. Torque as necessary to keep bolt and nut tight.
Check one bolt every 10 hours for looseness or wear. Torque as necessary to keep bolt and nut tight.
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TRENCHER
TRENCHER
Chain Replacement
Chain Replacement
Visually check digging chains for wear on rollers and sidebars. Check pins and bushing wear by measuring distance between chain pins and comparing it with a new chain.
Visually check digging chains for wear on rollers and sidebars. Check pins and bushing wear by measuring distance between chain pins and comparing it with a new chain.
Replace sprockets when a new chain is installed.
Replace sprockets when a new chain is installed.
To remove chain:
To remove chain:
1. Start unit, following directions in OPERATION.
1. Start unit, following directions in OPERATION.
2. Turn digging chain until connector pin is on top of boom.
2. Turn digging chain until connector pin is on top of boom.
3. Lower boom to ground.
3. Lower boom to ground.
4. Stop engine.
4. Stop engine.
5. Secure chain by clamping links on either side of connector pin with chain jaws. Squeeze jaws to reduce pressure on connector pin.
5. Secure chain by clamping links on either side of connector pin with chain jaws. Squeeze jaws to reduce pressure on connector pin.
om1752x
6. Loop cable through links nearest connector pin.
om1752x
6. Loop cable through links nearest connector pin.
om1744x
om1744x
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TRENCHER
TRENCHER
Fluid pressure could pierce skin and cause injury or death. Stay away.
Fluid pressure could pierce skin and cause injury or death. Stay away.
NOTICE: Service digging boom grease cylinder only while standing on opposite side of boom. Wear gloves and safety glasses and cover fitting with cloth when relieving pressure in cylinder.
NOTICE: Service digging boom grease cylinder only while standing on opposite side of boom. Wear gloves and safety glasses and cover fitting with cloth when relieving pressure in cylinder.
7. Loosen plug on grease cylinder to relieve chain tension.
7. Loosen plug on grease cylinder to relieve chain tension.
8. Stand clear of chain and remove lock key from connector pin. Drive connector pin out of link.
8. Stand clear of chain and remove lock key from connector pin. Drive connector pin out of link.
Crushing weight could cause death or serious injury. Use proper procedures and equipment or stay away. sf1014
sf1026
Crushing weight could cause death or serious injury. Use proper procedures and equipment or stay away. sf1014
sf1026
9. Unclamp links. Slowly release cable and lower chain to ground.
9. Unclamp links. Slowly release cable and lower chain to ground.
10. Lay chain on ground with teeth down.
10. Lay chain on ground with teeth down.
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TRENCHER
TRENCHER
To install chain:
To install chain:
1. Lay chain on ground with teeth down and pointed toward unit.
1. Lay chain on ground with teeth down and pointed toward unit.
2. Start unit.
2. Start unit.
3. Back unit up until chain extends past head shaft about 1 ft (30.5 cm).
3. Back unit up until chain extends past head shaft about 1 ft (30.5 cm).
4. Lower backfill blade to ground.
4. Lower backfill blade to ground.
5. Lower boom to horizontal position.
5. Lower boom to horizontal position.
6. Stop engine.
6. Stop engine.
7. Pull rear end of chain over and about 10 in (26 cm) past tail roller.
7. Pull rear end of chain over and about 10 in (26 cm) past tail roller.
8. Use hoist to pull front end of chain over head shaft sprocket.
8. Use hoist to pull front end of chain over head shaft sprocket.
9. Move chain down boom until chain connector pin and lock key can be installed. Install connector pin and lock key.
9. Move chain down boom until chain connector pin and lock key can be installed. Install connector pin and lock key.
10. Tighten chain by pumping EPG into grease cylinder.
10. Tighten chain by pumping EPG into grease cylinder.
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HT25 - SPECIFICATIONS
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HT25 - SPECIFICATIONS HT25
HT25
SPECIFICATIONS HT25
SPECIFICATIONS HT25
DIMENSIONS*:
U.S.
METRIC
DIMENSIONS*:
U.S.
A
Max. trench depth
39 in
99 cm
A
Max. trench depth
39 in
99 cm
A2
Angle of approach
19°
19°
A2
Angle of approach
19°
19°
A3
Angle of departure
18°
18°
A3
Angle of departure
18°
18°
B
Max. trench width
16 in
40.6 cm
B
Max. trench width
16 in
40.6 cm
C
Boom angle down
53°
53°
C
Boom angle down
53°
53°
C1
Boom angle up
50°
50°
C1
Boom angle up
50°
50°
H1
Height, top of cab
80 in
203 cm
H1
Height, top of cab
80 in
203 cm
L2
Basic unit length-transport
120 in
304.8 cm
L2
Basic unit length-transport
120 in
304.8 cm
L4
Centerline of track, hub-to-hub
39 in
99 cm
L4
Centerline of track, hub-to-hub
39 in
99 cm
W2
Width, transport
35.5 in
90.2 cm
W2
Width, transport
35.5 in
90.2 cm
*Dimensions are based on unit equipped with 3 ft (.91 m) centerline digging attachment and backfill blade.
METRIC
*Dimensions are based on unit equipped with 3 ft (.91 m) centerline digging attachment and backfill blade.
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HT25
Backfill blade: 4-way hydraulic lift angle
HT25
U.S.
METRIC
U.S.
METRIC
Blade width
35.5 in
90.2 cm
Backfill blade: 4-way hydraulic lift angle Blade width
35.5 in
90.2 cm
Blade height
9.9 in
25.1 cm
Blade height
9.9 in
25.1 cm
Lift lift above ground
30°
30°
Lift lift above ground
30°
30°
Blade drop below ground
20°
20°
Blade drop below ground
20°
20°
Maximum swing angle (left/right)
28°
28°
Maximum swing angle (left/right)
28°
28°
Standard left auger:
Standard left auger:
Diameter
4 in
10 cm
Diameter
4 in
10 cm
Length
13.5 in
34.3 cm
Length
13.5 in
34.3 cm
Diameter
10.5 in
26.7 cm
Diameter
10.5 in
26.7 cm
Length
12.2 in
31 cm
Length
12.2 in
31 cm
Standard right auger
Standard right auger
Offset auger (optional)
Offset auger (optional)
Diameter
10.5 in
26.7 cm
Diameter
10.5 in
26.7 cm
Length
16.4 in
41.7 cm
Length
16.4 in
41.7 cm
U.S.
METRIC
OPERATIONAL:
U.S.
METRIC
< 3 mph
< 4.8 km/h
OPERATIONAL: Vehicle speeds Maximum transit forward Maximum transit reverse
Vehicle speeds < 3 mph
< 4.8 km/h
Maximum transit forward
< 2 mph
< 3.2 km/h
< 2 mph
< 3.2 km/h
Digging chain speed @ 3000 engine rpm
364 fpm
111 m/min
Digging chain speed @ 3000 engine rpm
Maximum transit reverse
364 fpm
111 m/min
Headshaft speed @ 3000 engine rpm
180 rpm
180 r/min
Headshaft speed @ 3000 engine rpm
180 rpm
180 r/min
Operating weight (with 3 ft [.9 m] boom, backfill blade, cab, and A225 backhoe)
4080 lb
1850.7 kg
Operating weight (with 3 ft [.9 m] boom, backfill blade, cab, and A225 backhoe)
4080 lb
1850.7 kg
Operator orientation
Facing front of vehicle in full view of all operations
Operator orientation
Facing front of vehicle in full view of all operations
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HT25
POWER
U.S.
METRIC
POWER
Engine: Kubota D1105-E diesel
U.S.
METRIC
Engine: Kubota D1105-E diesel
Cooling medium
50/50 antifreeze, see MAINTENANCE for more information
Cooling medium
50/50 antifreeze, see MAINTENANCE for more information
Injection
1991 lbw/in2
Injection
1991 lbw/in2
Number of cylinders
3
Number of cylinders
3
Displacement
68.53 in3
1123 cm3
140 kgf/cm2
140 kgf/cm2
Displacement
68.53 in
Bore
3.07 in
7.70 cm
Bore
3.07 in
7.70 cm
Stroke
3.09 in
7.86 cm
Stroke
3.09 in
7.86 cm
*Maximum tilt angle fore & aft
30°
30°
*Maximum tilt angle fore & aft
30°
30°
*Maximum tilt angle side
30°
30°
*Maximum tilt angle side
30°
3
Engine manufacturer's gross power rating @ 3150 25 hp rpm
1123 cm
3
18.6 kW
Engine manufacturer's gross power rating @ 3150 25 hp rpm
30° 18.6 kW
Maximum governed speed as installed (no load)
3160 rpm
3160 r/min
Maximum governed speed as installed (no load)
3160 rpm
3160 r/min
Flywheel horsepower (full load)
22 hp
16.4 kW
Flywheel horsepower (full load)
22 hp
16.4 kW
POWER DELIVERY SYSTEM
POWER DELIVERY SYSTEM
Ground drive
Dual hydrostatic drive infinitely variable from zero to maximum, hand lever operated speed/direction control
Ground drive
Dual hydrostatic drive infinitely variable from zero to maximum, hand lever operated speed/direction control
Service brake
Ground drive speed/direction controls brake machine hydraulically when moved to neutral position
Service brake
Ground drive speed/direction controls brake machine hydraulically when moved to neutral position
Parking brake
Disc, hydraulic pressure released
Parking brake
Disc, hydraulic pressure released
Tracks
230 x 39 x 72 FP
Tracks
230 x 39 x 72 FP
Trencher drive
Trencher drive
Transmission
Belt drive through gearbox reduction
Transmission
Belt drive through gearbox reduction
Clutch
Electric over hydraulic
Clutch
Electric over hydraulic
*Exceeding these operating angles will cause engine damage. This DOES NOT IMPLY machine is stable to maximum angle of safe engine operation.
*Exceeding these operating angles will cause engine damage. This DOES NOT IMPLY machine is stable to maximum angle of safe engine operation.
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HT25
HYDRAULIC SYSTEM:
U.S.
METRIC
Ground drive pump
HT25
HYDRAULIC SYSTEM:
U.S.
METRIC
Pump capacity per track @ 3000 rpm
11.8 gpm
44.9 L/min
Pump relief
track slip
Ground drive pump
Pump capacity per track @ 3000 rpm
11.8 gpm
Pump relief
track slip
44.9 L/min
Auxiliary pump
Auxiliary pump
Pump capacity @ 3000 rpm
6.7 gpm
25.2 L/min
Pump relief
2320 psi
160 bar
FLUID CAPACITIES:
Pump capacity @ 3000 rpm
6.7 gpm
25.2 L/min
Pump relief
2320 psi
160 bar
FLUID CAPACITIES:
Fuel tank
6 gal
22.7 L
Fuel tank
6 gal
22.7 L
Engine lubrication oil, including filter
4.5 qt
4.3 L
Engine lubrication oil, including filter
4.5 qt
4.3 L
Track drive planetary
1.5 qt
1.4 L
Track drive planetary
1.5 qt
1.4 L
Engine cooling system
6.0 qt
5.7 L
Engine cooling system
6.0 qt
5.7 L
Hydraulic system
10.1 gal
38.2 L
Hydraulic system
10.1 gal
38.2 L
Hydraulic reservoir
8.7 gal
32.9 L
Hydraulic reservoir
8.7 gal
32.9 L
BATTERY:
Group 26/26R/70 SAE cold crank @ 0°F (-18°C) 675 amp
BATTERY:
Group 26/26R/70 SAE cold crank @ 0°F (-18°C) 675 amp
NOISE LEVELS:
NOISE LEVELS:
Operator 89 dbA sound pressure per ISO 6394, without cab. Operator 91 dbA sound pressure per ISO 6394, with cab.
Operator 89 dbA sound pressure per ISO 6394, without cab. Operator 91 dbA sound pressure per ISO 6394, with cab.
Exterior 106 dbA sound power per ISO 6393, without cab. Exterior 103 dbA sound power per ISO 6393, with cab.
Exterior 106 dbA sound power per ISO 6393, without cab. Exterior 103 dbA sound power per ISO 6393, with cab.
Specifications are called out according to SAE recommended practices. Specifications are general and subject to change without notice. If exact measurements are required, equipment should be weighed and measured. Due to selected options, delivered equipment may not necessarily match that shown.
Specifications are called out according to SAE recommended practices. Specifications are general and subject to change without notice. If exact measurements are required, equipment should be weighed and measured. Due to selected options, delivered equipment may not necessarily match that shown.
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HT25 - SPECIFICATIONS
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HT25 - SPECIFICATIONS
A225 BACKHOE
A225 BACKHOE
A225 BACKHOE
A225 BACKHOE
DIMENSIONS:
U.S.
METRIC
DIMENSIONS:
U.S.
METRIC
A
Transport height
77.25 in
1.96 m
A
Transport height
77.25 in
1.96 m
C
Ground clearance
20 in
50.8 cm
C
Ground clearance
20 in
50.8 cm
D
Backhoe length, stowed
62 in
1.58 m
D
Backhoe length, stowed
62 in
1.58 m
F
Digging depth, max.
68 in
1.73 m
F
Digging depth, max.
68 in
1.73 m
G
Digging depth, 2 ft (0.6 m) flat bottom
64 in
1.63 m
G
Digging depth, 2 ft (0.6 m) flat bottom
64 in
1.63 m
J
Operating height, fully raised
93 in
2.36 m
J
Operating height, fully raised
93 in
2.36 m
K
Loading height
55.75 in
1.42 m
K
Loading height
55.75 in
1.42 m
L
Loading reach
45 in
1.14 m
L
Loading reach
45 in
1.14 m
M
Reach from swing pivot
103 in
2.62 m
M
Reach from swing pivot
103 in
2.62 m
P
Bucket rotation
176°
176°
P
Bucket rotation
176°
176°
98
HT25 - SPECIFICATIONS
GENERAL:
U.S.
METRIC
Bucket
98
HT25 - SPECIFICATIONS
GENERAL:
U.S.
METRIC
Bucket Width
12 in
30.5 cm
Width
12 in
30.5 cm
Capacity
1 ft3
.027 m3
Capacity
1 ft3
.027 m3
780 lb
353.8 kg
780 lb
353.8 kg
Backhoe weight with bucket Lift capacity, boom over end and swing arc, SAE
Backhoe weight with bucket Lift capacity, boom over end and swing arc, SAE
at 36 in (.9 m)
154 lb
70 kg
at 36 in (.9 m)
154 lb
70 kg
at ground level
359 lb
162 .8 kg
at ground level
359 lb
162 .8 kg
Lift capacity, dipperstick over end and swing arc, SAE
Lift capacity, dipperstick over end and swing arc, SAE
at 41 in (1.04 m)
180 lb
81.7 kg
at 41 in (1.04 m)
180 lb
81.7 kg
at 62 in (1.6 m)
140 lb
63.5 kg
at 62 in (1.6 m)
140 lb
63.5 kg
170°
170°
170°
170°
Swing arc
Swing arc
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HT25 - WARRANTY
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HT25 - WARRANTY
WARRANTY
WARRANTY
Ditch Witch Equipment and Parts Limited Warranty Policy
Ditch Witch Equipment and Parts Limited Warranty Policy
Subject to the limitations and exclusions herein, free replacement parts will be provided at any authorized Ditch Witch dealership for any Ditch Witch equipment or parts manufactured by The Charles Machine Works, Inc. (CMW) that fail due to a defect in material or workmanship within one (1) year of first commercial use. Free labor will be provided at any authorized Ditch Witch dealership for installation of parts under this warranty during the first year following initial commercial use of the serial-numbered Ditch Witch equipment on which it is installed.
Subject to the limitations and exclusions herein, free replacement parts will be provided at any authorized Ditch Witch dealership for any Ditch Witch equipment or parts manufactured by The Charles Machine Works, Inc. (CMW) that fail due to a defect in material or workmanship within one (1) year of first commercial use. Free labor will be provided at any authorized Ditch Witch dealership for installation of parts under this warranty during the first year following initial commercial use of the serial-numbered Ditch Witch equipment on which it is installed.
Exclusions from Product Warranty
Exclusions from Product Warranty
•
Wear-related failure of parts subject to ground contact including, but not limited
•
to, digging teeth, digging chains, sprockets, backhoe buckets, plow blades, drill
Wear-related failure of parts subject to ground contact including, but not limited to, digging teeth, digging chains, sprockets, backhoe buckets, plow blades, drill
pipe, drill bits, backreamers, and swivels.
pipe, drill bits, backreamers, and swivels.
•
All incidental or consequential damages.
•
All incidental or consequential damages.
•
All defects, damages, or injuries caused by misuse, abuse, improper
•
All defects, damages, or injuries caused by misuse, abuse, improper
installation, alteration, neglect, or uses other than those for which products
installation, alteration, neglect, or uses other than those for which products
were intended. •
•
All defects, damages, or injuries caused by improper training, operation, or
were intended. •
servicing of products in a manner inconsistent with manufacturer’s
recommendations.
recommendations.
All engines and engine accessories (these are covered by original
•
manufacturer’s warranty). •
Tires, belts, and other parts which may be subject to another manufacturer’s All implied warranties not expressly stated herein, including any warranty of fitness for a particular purpose and merchantability.
IF THE PRODUCTS ARE PURCHASED FOR COMMERCIAL PURPOSES AS DEFINED BY THE UNIFORM COMMERCIAL CODE, THEN THERE ARE NO WARRANTIES WHICH EXTEND BEYOND THE FACE HEREOF AND THERE ARE NO IMPLIED WARRANTIES OF ANY KIND WHICH EXTEND TO A COMMERCIAL BUYER. ALL OTHER PROVISIONS OF THIS LIMITED WARRANTY APPLY INCLUDING THE DUTIES IMPOSED.
All engines and engine accessories (these are covered by original manufacturer’s warranty).
•
warranty (such warranty will be available to purchaser). •
All defects, damages, or injuries caused by improper training, operation, or
servicing of products in a manner inconsistent with manufacturer’s
Tires, belts, and other parts which may be subject to another manufacturer’s warranty (such warranty will be available to purchaser).
•
All implied warranties not expressly stated herein, including any warranty of fitness for a particular purpose and merchantability.
IF THE PRODUCTS ARE PURCHASED FOR COMMERCIAL PURPOSES AS DEFINED BY THE UNIFORM COMMERCIAL CODE, THEN THERE ARE NO WARRANTIES WHICH EXTEND BEYOND THE FACE HEREOF AND THERE ARE NO IMPLIED WARRANTIES OF ANY KIND WHICH EXTEND TO A COMMERCIAL BUYER. ALL OTHER PROVISIONS OF THIS LIMITED WARRANTY APPLY INCLUDING THE DUTIES IMPOSED.
100
HT25 - WARRANTY
100
HT25 - WARRANTY
Ditch Witch products have been tested to deliver acceptable performance in most conditions. This does not imply they will deliver acceptable performance in all conditions. Therefore, to assure suitability, products should be operated under anticipated working conditions prior to purchase.
Ditch Witch products have been tested to deliver acceptable performance in most conditions. This does not imply they will deliver acceptable performance in all conditions. Therefore, to assure suitability, products should be operated under anticipated working conditions prior to purchase.
Defects will be determined by an inspection within thirty (30) days of the date of failure of the product or part by CMW or its authorized dealer. CMW will provide the location of its inspection facilities or its nearest authorized dealer upon inquiry. CMW reserves the right to supply remanufactured replacements parts under this warranty as it deems appropriate.
Defects will be determined by an inspection within thirty (30) days of the date of failure of the product or part by CMW or its authorized dealer. CMW will provide the location of its inspection facilities or its nearest authorized dealer upon inquiry. CMW reserves the right to supply remanufactured replacements parts under this warranty as it deems appropriate.
Extended warranties are available upon request from your local Ditch Witch dealer or CMW.
Extended warranties are available upon request from your local Ditch Witch dealer or CMW.
Some states do not allow exclusion or limitation of incidental or consequential damages, so above limitation of exclusion may not apply. Further, some states do not allow exclusion of or limitation of how long an implied warranty lasts, so the above limitation may not apply. This limited warranty gives product owner specific legal rights and the product owner may also have other rights which vary from state to state.
Some states do not allow exclusion or limitation of incidental or consequential damages, so above limitation of exclusion may not apply. Further, some states do not allow exclusion of or limitation of how long an implied warranty lasts, so the above limitation may not apply. This limited warranty gives product owner specific legal rights and the product owner may also have other rights which vary from state to state.
For information regarding this limited warranty, contact CMW’s Product Support department, P.O. Box 66, Perry, OK 73077-0066, or contact your local Ditch Witch dealer.
For information regarding this limited warranty, contact CMW’s Product Support department, P.O. Box 66, Perry, OK 73077-0066, or contact your local Ditch Witch dealer.
First version: 1/91; Latest version: 4/00
First version: 1/91; Latest version: 4/00
HT25 -
103
HT25 -
103
