WARNING : USE SOLVENTS/CLEANING AGENTS, SEALANTS AND OTHER SPECIAL
_______ MATERIALS ONLY WITH A GOOD SUPPLY OF AIR. OBEY THE MANUFACTURERS INSTRUCTIONS. PUT ON PROTECTIVE CLOTHING. DO NOT GET THEM IN YOUR MOUTH. DO NOT SMOKE. DO NOT BREATHE THE GAS. THESE MATERIALS ARE POISONOUS, FLAMMABLE AND SKIN IRRITANT. GET MEDICAL HELP IF YOUR SKIN OR EYES BECOME IRRITATED.
(a) Apply SPECIAL MATERIALS (Material No. 05-002) to all mating surfaces and to the screw (6), the washers (7) and (8), and the nut (9). Do not apply to the bonding strap (15).
(5)
Put the oil-cooler outlet-duct assembly (8052KM) in position and install the screws (6), the washers (7) and (8), and the nuts (9). Do not fully tighten the nuts (5) at this time.
(6)
Connect the bellow (2) to the oil cooler outlet and install the clamp (1).
(7)
TORQUE the clamp (1) to between 0.4 and 0.5 m.daN (35.39 and 44.24
lbf.in).
(8)
Close the APU access door 315AL.
(9)
Install the pipe (4) on the bellow (2) with the clamp (3).
(10)
TORQUE the nuts (9) to to 0.45 m.daN (39.82 lbf.in).
(11)
Adjust the pipe (4) to get a precompression of between 1.3 mm (0.0511 in.) and 1.7 mm (0.0669 in.) of the seal between the flanges of the pipe (4) and the outlet-duct (16) at the APU access door 315AL.
NOTE : The adjustment range C is 10 mm (0.3937 in.).
____
(12)
Tighten the clamps (5) and the clamp (3).
(13)
Open the APU access door 315AL.
(14)
Connect the bonding strap (15) to the structure with the bolt (13), the washers (11) and (14), and the nut (12) (Ref. TASK 20-28-00-912-004).
Subtask 49-52-41-865-052
C. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s): 1KD, 2KD.
Subtask 49-52-41-710-050
D. Test
(1)
Do the operational test of the APU (Ref. TASK 49-00-00-710-004).
(2)
Operate the APU for min. five minutes and examine the joints of the air by-pass duct for leaks (Ref. TASK 49-00-00-790-004).
NOTE : Leaks are not permitted.
____
5. Close-up
________
(Ref. Fig. 401/TASK 49-52-41-991-001) Subtask 49-52-41-410-050
A. Close Access
(1)
Make sure that the work area is clean and clear of tool(s) and other items.
(2)
Set the LIGHT control SW to the OFF position.
(3)
Close the APU access door 315AL (Ref. TASK 52-41-00-410-001).
(4)
Remove the access platform(s). Subtask 49-52-41-865-059
B.
Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s):
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------121VU APU/APU/CTL 2KD L42 121VU APU/ECB/SPLY 1KD L41
Subtask 49-52-41-860-055
C. Aircraft Maintenance Configuration
(1)
Pressurize the reservoirs of the hydraulic systems. (Ref. TASK 29-14-00-614-002).
(2)
De-energize the ground service network
(Ref. TASK 24-42-00-862-001).
(3)
Remove the warning notice(s).
DUCT - OIL COOLER OUTLET - REMOVAL/INSTALLATION
_______________________________________________ TASK 49-52-41-000-003 Removal of the Oil-Cooler Outlet-Duct (8052KM) (131-9(A)) WARNING : DO NOT TOUCH THE APU UNTIL IT IS SUFFICIENTLY COOL TO PREVENT BURNS
_______ WHEN YOU DO THE MAINTENANCE TASK(S).
1.
Reason for the Job
__________________
Self Explanatory
2.
Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific circuit breaker(s) safety clip(s)
No specific protective cover
No specific access platform 3.5 m (11 ft. 6 in.)
B. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
24-42-00-861-001 Energize the Ground Service Network from the External Power 29-00-00-864-001 Put the Related Hydraulic System in the Depressurized
Configuration before Maintenance Action 52-41-00-010-001 Open the APU Doors for Access 49-52-41-991-003 Fig. 401
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