Transcript
Temporary Revision Coolant Water Tank with
DA 42 NG AMM
threaded cap and larger filler
AIRCRAFT
neck
TEMPORARY REVISION AMM-TR-MÄM 42-852 Coolant water tank with threaded cap and larger filler neck This Temporary Revision AMM-TR-MÄM 42-852 is approved in conjunction with the Mandatory Design Change Advisory MÄM 42-852 and is valid in conjunction with the Airplane Maintenance Manual (AMM) until this Temporary Revision has been incorporated into the AMM. The limitations and information contained herein either supplement or, in the case of conflict, override those in the AMM. The technical information contained in this document has been approved under the authority of DOA No. EASA.21J.052.
Doc. No. 7.02.15
Section
Affected Pages
12-10-00
10a, 10aa, 11a, 12a 3b, 3bb, 6a, 6b, 202a, 202aa, 203a,
75-00-00
204a, 205a, 205b, 205c, 205cc, 207a, 208a, 209a, 210a
Instruction ) Print this document on yellow paper (double-sided). ) Insert this cover page as the first page of the AMM. ) Insert the other pages of this Temporary Revision adjacent to or in front of the corresponding
AMM pages.
Doc # 7.02.15 AMM-TR-MÄM 42-852
COVER
Page 1 01 Sep 2015
Temporary Revision Coolant Water Tank with AIRCRAFT
threaded cap and larger filler
DA 42 NG AMM
neck
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Page 2 01 Sep 2015
COVER
Doc # 7.02.15 AMM-TR-MÄM 42-852
Temporary Revision Coolant Water Tank with
DA 42 NG AMM AIRCRAFT
threaded cap and larger filler neck
CHAPTER 12 SERVICING - GENERAL Section 12-10 Replenishment
% Figure 3A is added: % %
To Thermostat
Filler Cap
% %
Silicate Pouch
%
Cartridge Max. Coolant Level Marking Plate
%
Expansion Tank
% % %
Coolant Bypass Hose Pressure Relief Valve
%
Coolant Level Sensor
% % % % % % % % % % % % % % % % % % % %
Figure 3A: Engine Coolant Expansion Tank / Filler Cap (if MÄM 42-852 is installed)
Doc # 7.02.15 AMM-TR-MÄM 42-852
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Temporary Revision Coolant Water Tank with AIRCRAFT
threaded cap and larger filler
DA 42 NG AMM
neck
Intentionally left blank
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Doc # 7.02.15 AMM-TR-MÄM 852
Temporary Revision Coolant Water Tank with
DA 42 NG AMM AIRCRAFT
threaded cap and larger filler neck
7. Engine Coolant The last Paragraph is amended to read:
A coolant expansion tank is located on the left side of the engine (Figure 3). The expansion tank has a % filler cap, a pressure relief valve, a silicate pouch and a coolant level sensor. Use the procedures in this
Paragraph to replenish the coolant system when the system has been drained for maintenance or system repair.
Doc # 7.02.15 AMM-TR-MÄM 42-852
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Page 11a 01 Sep 2015
Temporary Revision Coolant Water Tank with threaded cap and larger filler
DA 42 NG AMM
AIRCRAFT
neck A. Replenish the Engine Coolant
Items 3 and 4 are amended to read:
Detail Steps/Work Items %
(3)
Key Items/References
If MÄM 42-852 is NOT installed:
%
Add coolant until the fluid level is at the bottom
%
of the tank filler tab.
% %
If MÄM 42-852 is installed:
%
Add coolant until the fluid level is at the “max.
%
coolant level marking” in the filler neck.
%
(4)
Install the filler cap.
% %
If MÄM 42-852 is installed:
%
Install the filler cap.
Torque refer to 20-70
%
Check O-Ring for deformation, apply EZ
%
TURN.
%
Install safety lock wire to secure filler cap.
Page 12a 01 Sep 2015
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Wire diameter 0.032.
Doc # 7.02.15 AMM-TR-MÄM 852
Temporary Revision Coolant Water Tank with
DA 42 NG AMM AIRCRAFT
threaded cap and larger filler neck
CHAPTER 75 LIQUID COOLING SYSTEM 2. Description The Paragraph is added:
%
If MÄM 42-852 is NOT installed:
%
A silicate cartridge contains a replaceable silicate pouch and is situated on the bottom side of the
%
coolant expansion tank.
% %
If MÄM 42-852 is installed:
%
A cartridge contains a replaceable silicate pouch and is situated in the filler neck of the coolant
%
expansion tank.
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Temporary Revision Coolant Water Tank with AIRCRAFT
threaded cap and larger filler
DA 42 NG AMM
neck
Intentionally left blank
Page 3bb 01 Sep 2015
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Doc # 7.02.15 AMM-TR-MÄM 42-852
Temporary Revision Coolant Water Tank with
DA 42 NG AMM
threaded cap and larger filler
AIRCRAFT
neck % Figures 3A and 3B are added: % %
Filler Cap
%
Silicate Pouch
% % % % % %
Pressure Relief Valve
% % % %
To Coolant Bypass Pipe
Coolant Tank with Coolant Level Sensor
Coolant Level Sensor Bleed Nipple
Worm Drive Clamp
% %
Worm Drive Clamps
A
Worm Drive Clamps Silicon Hose Worm Drive Worm Drive Clamps Clamps
Silicon Hose Bleed Nipple
% %
Water Pipe
Worm Drive Clamps B
% % %
Engine Mounting Frame
Worm Drive Clamps
%
B
Cool Coolant from Radiator
% %
Anti Vibration Mount
Worm Drive Clamps
Worm Drive Clamps
%
%
Engine Mounting Frame
Thermostat Valve with Temperature Sensor
A Radiator
Anti Vibration Mount
Hot Coolant to Radiator
%
B C
%
Coolant Drain Plug
Bonding Wire
C
Radiator Guard Assy
% % %
Engine Mounting Frame
% % %
Anti Vibration Mount
%
Bonding Wire
% % %
Figure 3A: Liquid Cooling System Installation (if MÄM 42-852 is installed)
%
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Temporary Revision Coolant Water Tank with
DA 42 NG AMM
AIRCRAFT
threaded cap and larger filler neck % %
Worm Drive Clamp
%
Filler Cap
% %
Silicate Pouch Worm Drive Clamps
Pressure Relief Valve
% % % % % %
Coolant Tank with Coolant Level Sensor
Worm Drive Clamps Bleed Nipple
Coolant Level Sensor Worm Drive Clamps
Aluminium Tube
% % %
Worm Drive Clamps Silicon Coolant Hose Bypass Pipe Thermostat Valve
Silicon Hose
% % %
Worm Drive Clamps
% % % %
A
Bleed Nipple Aluminium Tube
% %
Worm Drive Clamps
% %
Worm Drive Clamps
% %
Anti Vibration Mount Cool Coolant from Radiator
Hot Coolant to Radiator
% %
Worm Drive Clamps
Worm Drive Clamps
% %
Bonding Wire
A
A
%
Engine Mounting Frame
Coolant Drain Plug
% %
Radiator
% %
A
% % %
Figure 3B: Liquid Cooling System Installation (if MÄM 42-600 and MÄM 42-852 are installed)
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Doc # 7.02.15 AMM-TR-MÄM 42-852
Temporary Revision Coolant Water Tank with
DA 42 NG AMM
threaded cap and larger filler
AIRCRAFT
neck
Maintenance Practices 2. Remove/Install a Coolant Expansion Tank A. Remove a Coolant expansion Tank Item 4 is amended to read:
Detail Steps/Work Items % % % % % % %
(4)
Key Items/References
Remove the filler cap from the coolant tank: ) Turn the cap counterclockwise a small
distance to release the pressure. ) When the pressure has fully released,
remove the cap. ) Drain coolant.
Doc # 7.02.15 AMM-TR-MÄM 42-852
Refer to Paragraph 6.
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threaded cap and larger filler
DA 42 NG AMM
neck
Intentionally left blank
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Doc # 7.02.15 AMM-TR-MÄM 42-852
Temporary Revision Coolant Water Tank with
DA 42 NG AMM AIRCRAFT
threaded cap and larger filler neck
B. Install a Coolant Expansion Tank
Item (8a) is added to the list:
Detail Steps/Work Items %
(8a)
Perform coolant pressure test.
Doc # 7.02.15 AMM-TR-MÄM 42-852
Key Items/References Refer to Paragraph 7.
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Page 203a 01 Sep 2015
Temporary Revision Coolant Water Tank with threaded cap and larger filler
DA 42 NG AMM
AIRCRAFT
neck 3. Remove/Install the Pressure Relief Valve B. Install the Pressure Relief Valve Items 1 and 2 are amended to read:
Detail Steps/Work Items %
(1)
Install the pressure relief valve.
Key Items/References Torque 12-15 Nm (8.85 - 11.06 lbf.ft.).
%
Check O-Ring for deformation and
%
delocation. Apply EZ TURN.
%
(2)
Install locking wire.
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Wire diameter 0.032.
Doc # 7.02.15 AMM-TR-MÄM 42-852
Temporary Revision Coolant Water Tank with
DA 42 NG AMM
threaded cap and larger filler
AIRCRAFT
neck
Paragraphs 3A and 3B are added: % 3A. Remove/Install Silicate Pouch (If MÄM 42-852 is installed) %
Note: If MÄM 42-852 is NOT installed, refer to Paragraph 9 or MÄM 42-900. Detail Steps/Work Items
%
(1)
Key Items/References
Remove the engine cowlings.
Refer to Section 71-10 and 71-11.
%
WARNING: DO NOT REMOVE THE FILLER CAP FROM THE COOLANT TANK IF THE
%
ENGINE IS HOT. THE PRESSURE IN THE SYSTEM CAN FORCE HOT COOLANT TO
%
COME OUT AND BURN YOU.
% %
(2)
% %
Remove the safety lock wire from the filler cap on the coolant expansion tank.
(3)
Remove the filler cap from the coolant tank to
%
relief any pressure which may be resident in the
%
system: ) Turn the cap counterclockwise a small
% %
distance to release the pressure.
%
) When the pressure has fully released,
%
turn the cap fully counterclockwise.
%
(4)
Remove retaining ring inside the filler neck.
%
(5)
Remove max coolant level plate.
%
(6)
Remove the used silicate pouch and replace it
%
with the new silicate pouch. Remove cartridge
%
and clean it with water. Reinstall cartridge.
%
(7)
Install the max coolant level plate.
%
Be sure that the engraved max coolant marking is on the top.
%
(8)
Install the retaining ring.
%
(9)
Check coolant level, refill if required.
Refer to Paragraph 5.
%
(10)
Install cap on the coolant expansion tank.
Refer to 20-70 (Torque 12-15 Nm).
Check O-Ring for deformation.
Renew O-Ring if necessary. Apply EZ
% %
TURN. Doc # 7.02.15 AMM-TR-MÄM 42-852
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Page 205a 01 Sep 2015
Temporary Revision Coolant Water Tank with threaded cap and larger filler
DA 42 NG AMM
AIRCRAFT
neck
Detail Steps/Work Items %
(11)
Install safety lock wire to secure filler cap.
Key Items/References Wire diameter 0.032.
3B. Remove/Install coolant level sensor
Detail Steps/Work Items %
(1)
Remove the engine cowlings.
Key Items/References Refer to Section 71-10 and 71-11.
%
WARNING: DO NOT REMOVE THE FILLER CAP FROM THE COOLANT TANK IF THE
%
ENGINE IS HOT. THE PRESSURE IN THE SYSTEM CAN FORCE HOT COOLANT TO
%
COME OUT AND BURN YOU.
% %
(2)
If MÄM 42-852 is installed:
%
Remove the safety lock wire from the filler cap
%
on the coolant expansion tank.
%
(3)
Remove the filler cap from the coolant tank to
%
relief any pressure which may be resident in the
%
system: ) Turn the cap counterclockwise a small
% %
distance to release the pressure.
%
) When the pressure has fully released,
%
turn the cap fully counterclockwise.
%
(4)
Drain engine cooling system.
Refer to Paragraph 6.
%
(5)
Disconnect the electrical cables for the coolant
At the inline connector, at the sensor.
%
level sensor.
%
(6)
Remove the coolant level sensor.
%
(7)
Install new coolant level sensor, use new
Use Loctite 243.
copper gasket.
Torque: 25-30 Nm.
Fill and bleed the engine coolant system.
Refer to Paragraph 5.
% %
(8)
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Doc # 7.02.15 AMM-TR-MÄM 42-852
Temporary Revision Coolant Water Tank with
DA 42 NG AMM AIRCRAFT
threaded cap and larger filler neck
4. Remove/Install a Coolant Radiator A. Remove a Coolant Radiator Item 4 is amended to read:
Detail Steps/Work Items %
(4)
Key Items/References
Remove the filler cap from the coolant tank to
%
relief any pressure which may be resident in the
%
system:
% %
) Turn the cap counterclockwise a small
distance to release the pressure.
%
) When the pressure has fully released,
%
turn the cap fully counterclockwise.
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Temporary Revision Coolant Water Tank with AIRCRAFT
threaded cap and larger filler
DA 42 NG AMM
neck
Intentionally left blank
Page 205cc 01 Sep 2015
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Doc # 7.02.15 AMM-TR-MÄM 42-852
Temporary Revision Coolant Water Tank with
DA 42 NG AMM AIRCRAFT
threaded cap and larger filler neck
B. Install a Coolant Radiator Item 4A is added to the list:
Detail Steps/Work Items %
(4A)
Perform coolant pressure test.
Doc # 7.02.15 AMM-TR-MÄM 42-852
Key Items/References Refer to Paragraph 7.
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Page 207a 01 Sep 2015
Temporary Revision Coolant Water Tank with threaded cap and larger filler
DA 42 NG AMM
AIRCRAFT
neck 5. Fill and Bleed an Engine Cooling System Item 4 is amended to read:
Detail Steps/Work Items %
(4)
Fill the cooling system:
%
Allow time for coolant to move through the system.
) Open the bleed point at the coolant
% %
radiator pipes.
%
) Add coolant to the tank.
%
) When coolant comes from the bleed
%
points without air bubbles, close bleed
%
points.
%
Key Items/References
If MÄM 42-852 is NOT installed:
%
) Install the cap to the coolant tank.
% %
If MÄM 42-852 is installed:
%
) Fill coolant to max. coolant level marking
% %
in the filler neck. ) Check O-Ring for deformation.
% % % % % % %
) Install the filler cap to the coolant
Renew if necessary. Apply EZ TURN. Refer to 20-70 (Torque 12-15 Nm).
expansion tank.
% % %
) Install safety lock wire to secure filler cap.
Page 208a 01 Sep 2015
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Wire diameter 0.032.
Doc # 7.02.15 AMM-TR-MÄM 42-852
Temporary Revision Coolant Water Tank with
DA 42 NG AMM AIRCRAFT
threaded cap and larger filler neck
Item 7 is amended to read:
Detail Steps/Work Items %
(7)
Key Items/References
Remove the filler cap from the coolant tank:
% % % % %
) Turn the cap counterclockwise a small
distance to release the pressure. ) When the pressure has fully released,
remove the cap.
Item 9 is deleted from the list.
Doc # 7.02.15 AMM-TR-MÄM 42-852
75-00-00
Page 209a 01 Sep 2015
Temporary Revision Coolant Water Tank with threaded cap and larger filler
AIRCRAFT
DA 42 NG AMM
neck
6. Drain the Engine Coolant System
The Warning and items 4 and 5 are amended to read:
Detail Steps/Work Items
Key Items/References
%
WARNING: DO NOT REMOVE THE FILLER CAP FROM THE COOLANT TANK IF THE
%
ENGINE IS HOT. THE PRESSURE IN THE SYSTEM CAN FORCE HOT COOLANT TO
%
COME OUT AND BURN YOU.
% %
(4)
Remove the filler cap from the coolant tank to
%
relief any pressure which may be resident in the
%
system:
%
) Turn the cap counterclockwise a small
% %
distance to release the pressure. ) When the pressure has fully released,
% % %
remove the cap. (5)
Drain the coolant system: ) Remove the safety lock wire from the
% %
drain plug at the coolant radiator. ) Remove the drain plug from the bottom
% %
left side of the coolant radiator.
Page 210a 01 Sep 2015
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Doc # 7.02.15 AMM-TR-MÄM 42-852
