Transcript
Temporary Revision
DA 40 NG AMM AIRCRAFT
Flexible Charge Air Hose
TEMPORARY REVISION AMM-TR-MÄM 40-820 Flexible Charge Air Hose This Temporary Revision AMM-TR-MÄM 40-820 is approved in conjunction with the Mandatory Design Change Advisory MÄM 40-820 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. 6.02.15
Section
Affected Pages
05-10-00
6a, 6aa
20-70-00
6a, 6aa
81-00-00
5b, 5bb, 203b, 203c
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 # 6.02.15 AMM-TR-MÄM 40-820
COVER
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Flexible Charge Air Hose
AIRCRAFT
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COVER
Doc # 6.02.15 AMM-TR-MÄM 40-820
Temporary Revision
DA 40 NG AMM
Flexible Charge Air Hose
AIRCRAFT
CHAPTER 05 TIME LIMITS AND MAINTENANCE CHECKS Section 05-10 Time Limits 3. Component Time Limits B. Airplane Life-Limited Components
The Item is added:
ATA
Component
Ch. % % % % %
81
All charge air hoses from turbo charger to engine air intake manifold.
Doc # 6.02.15 AMM-TR-MÄM 40-820
Interval hrs.
Kind of yrs.
Ope.
-
VFR
Co-incident with engine TBO
05-10-00
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Flexible Charge Air Hose
AIRCRAFT
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DA 40 NG AMM
Flexible Charge Air Hose
AIRCRAFT
CHAPTER 20 STANDARD PRACTICES 20-70-00 Standard Practices - Engine 4. Installation and Tightening Torques of Worm Drive Clamps B. Two Worm Drive Clamps (1) Axial Placement The Figure is added: % % Expansion Bellows
%
Maximum Insertion
% % % % % % % %
Aluminium Tube Beads
% % % % %
Aluminium Tube
Spring Steel Support Ring
%
Silicon Hose
%
Worm Drive Clamps
% % %
Figure 3A: Installation with two Worm Drive Clamps, Two Beads (Axial Placement) and a Hose
%
with flexible Bellows (if MÄM 40-820 is installed)
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Flexible Charge Air Hose
AIRCRAFT
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20-70-00
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Temporary Revision
DA 40 NG AMM
Flexible Charge Air Hose
AIRCRAFT
CHAPTER 81 TURBO CHARGER 3. Operation The Figure is added: %
Engine Air Intake Manifold
% % % % % %
A
Worm Drive Clamps Worm Drive Clamps
Intercooler
Flexible Charge Air Hose
% %
Worm Drive Clamps
Hose
% %
Worm Drive Clamps
A
Hose
% %
Pipe
% %
Worm Drive Clamps
Worm Drive Clamps
%
Engine Mounting Frame
%
Turbocharger
% % %
Charge Air Tube
V-Clamp
%
A
Turbo Connector Assy
%
Protective Pads
%
Worm Drive Clamps
%
A
%
A Hose
%
P-Clamp
% %
Worm Drive Clamps
% %
Worm Drive Clamps
Bolt
Washer
% %
Figure 3A: Intercooler Installation (if MÄM 40-630, MÄM 40-639, MÄM 40-691 and MÄM 40-820
%
are installed)
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Flexible Charge Air Hose
AIRCRAFT
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Temporary Revision
DA 40 NG AMM AIRCRAFT
Flexible Charge Air Hose
Maintenance Practices 2. Remove/Install the Engine Intercooler B. Install an Engine Intercooler The Note is added and item 2 of the existing table is amended to read:
Detail Steps/Work Items %
Note:
%
Key Items/References
Do not bend or kink the charger hoses during Installation. If there are signs of kinking, replace the engine intercooler hose.
(2)
Connect the flexible hoses and aluminum tubes that connect the intercooler to the turbo charger and engine air intake manifold: S Move the worm-drive-clamps into position on
Do not tighten the worm-drive-clamps!
the flexible hoses. % % % % % % %
S Apply water to the inside of the hoses to ease hose installation. Refer to Figure 4 or 5.
S Push the flexible hose onto the intercooler connector. S If MÄM 40-820 is installed:
Refer to Figure 3A.
S Make sure that the position of the support
%
rings of the bellows are in front of the
%
aluminum connector and not on it. Check
%
that the bellows of the hose are not
%
compressed or stretched. If necessary
%
realign charge air hose. S The aluminum charge air tube must have at least 5 mm (12mm, if MÄM 40-630 is incorporated) clearance to the fire wall and positive clearance (5mm, if MÄM 40-630 is incorporated) to the RSGU clamp at the coolant aluminum tube aft of the engine. S Move the worm-drive-clamps into the correct position.
% %
S If MÄM 40-639 or MÄM 40-691 or MÄM 40820 is installed, bond the protective pad
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Temporary Revision Flexible Charge Air Hose
DA 40 NG AMM AIRCRAFT
Detail Steps/Work Items
Key Items/References
using Dow Corning 736 to the red turbocharger hoses underneath the housings of the worm-drive-clamps. S Move the worm-drive-clamps into the correct position and tighten the worm-drive-clamps. S Install the coolant tank to the intercooler.
Refer to Figure 3. Refer to Chapter 20 for correct installation and tightening torque of worm-drive-clamps.
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