(9)
Install the bolt (8) and the washer (9) from the outer side of the rail. Install the washer (6) and the castle nut (5) from the inner side of the support. Do not tighten the castle nut (5) at this time.
(10)
Install the bolt (12) with the bush (11) from the outer side of the rail. Install the washer (4) and the castle nut (3) from the inner side of the support. Do not tighten the castle mut (3) at this time.
(11)
TORQUE the castle nuts (3 and 5) to between 1.95 and 2.2 m.daN (14.38 and 16.22 lbf.ft).
(12)
Install the new cotter pins (2).
(13)
Connect the drain line (13) with the nut (14) to the power-plant drain-system.
(14)
Apply a thin layer of SPECIAL MATERIALS (Material No. 05-027) to the exhaust mufffler attachment points.
5. Close-up
________ Subtask 49-81-41-410-051
A. Close Access
(1)
Set the LIGHT control switch 11LJ to the off position.
(2)
Make sure that the work area is clean and clear of tool(s) and other items.
(3)
Close the APU access doors 315AL and 316AR (Ref. TASK 52-41-00-010-001).
(4)
Install the APU exhaust access-fairing (Ref. TASK 52-41-18-400-001).
(5)
Remove the access platform(s). Subtask 49-81-41-865-055
B.
Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s): 1KD, 2KD.
Subtask 49-81-41-860-052
C. Aircraft Maintenance Configuration
(1)
Pressurize the aircraft hydraulic systems (Ref. TASK 29-14-00-614-002).
(2)
De-energize the ground service network (Ref. TASK 24-41-00-862-002).
(3)
Remove the warning notice(s).
RING SEALING - REMOVAL/INSTALLATION
___________________________________
R **ON A/C 001-003, 051-099, 401-499,
TASK 49-81-42-000-001
Removal of the Hot Nozzle and Bellows (GTCP 36-300)
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 warning notice
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 49-81-41-000-001 Removal of the Exhaust Muffler (GTCP 36-300) 49-81-41-400-001 Installation of the Exhaust Muffler (GTCP 36-300) 52-41-00-010-001 Open the APU Doors for Access 52-41-18-000-001 Removal of the APU Exhaust Access-Fairing 317AL 49-81-42-991-001 Fig. 401
3. Job Set-up
__________ Subtask 49-81-42-860-053
A. Aircraft Maintenance Configuration
(1)
Energize the ground service network
(Ref. TASK 24-42-00-861-001).
(2)
On the panel 25VU, make sure that the APU MASTER SW p/bsw is OFF.
(3)
Put a warning notice in the cockpit to tell persons not to start the APU.
(4)
Make sure that hydraulic systems are depressurized
(Ref. TASK 29-00-00-864-001).
Subtask 49-81-42-865-050
B. Open, safety and tag this(these) circuit breaker(s):
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------121VU APU/APU/CTL 2KD L42 121VU APU/ECB/SPLY 1KD L41
Subtask 49-81-42-010-050
C. Get Access
(1)
Put the access platform below the APU access doors 315AL and 316AR.
(2)
Open the APU access doors 315AL, 316AR (Ref. TASK 52-41-00-010-001).
(3)
Remove the APU exhaust access-fairing 317AL (Ref. TASK 52-41-18-000-001).
(4)
Remove the Exhaust Muffler (Ref. TASK 49-81-41-000-001)
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