(2) Install the rear APU mount-bracket.
(Ref. Fig. 402/TASK 49-12-54-991-006)
(a)
Carefully put the rear APU mount bracket (31) in position on the APU.
(b)
Attach the rear APU mount-bracket (31) to the APU with the bolts (30).
(c)
TORQUE the bolts (30) to between 2.6 and 3.0 m.daN (19.17 and
22.12 lbf.ft).
(d)
Safety the bolts (30) with MISCELLANEOUS (Material No. 19-018).
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CES
(e)
Put the rear vibration isolator (23) in position on the rear APU mount-bracket (31).
(f)
Remove the thread protector and install the rear APU mount-nut (29). Do not tighten the nut at this step.
(g)
Connect the rear vibration isolator (23) to the tie-rods (28) and (22).
1_ Align the rear left tie-rod (28) with the rear vibration
isolator (23) and insert the bolts (27).
2_ Install the washers (26) and the nuts (25) on the bolts (27).
3_ TORQUE the nuts (25) to between 0.3 and 0.35 m.daN (26.54 and
30.97 lbf.in).
4_ Safety the nuts (25) with the cotter pin (24).
5_ Align the rear right tie-rod (22) with the rear vibration
isolator (23) and insert the bolt (21).
6_ Install the washer (20) and the nut (19) on the bolt (21).
7_ TORQUE the nut (19) to between 0.55 and 0.75 m.daN (48.67 and
66.37 lbf.in).
8_ Safety the nut (19) with the cotter pin (18).
9_ Hold the rear vibration isolator (23) to prevent movement and
TORQUE the rear APU mount nut (29) to between 7.7 and 8.5
m.daN (56.78 and 62.68 lbf.ft).
Subtask 49-12-54-080-052
C. Remove the APU hoist (Ref. TASK 49-00-00-080-003) Subtask 49-12-54-370-050
D. Apply a thin layer of SPECIAL MATERIALS (Material No. 05-027) to the rear vibration isolator (23).
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CES 5. Close-up
________ Subtask 49-12-54-410-052
A. Close Access
(1)
Make sure that the work area is clean and clear of tool(s) and other items.
(2)
Set the LIGHT SW 11LJ to the OFF position.
(3)
Close the APU access doors 316AR, 315AL (Ref. TASK 52-41-00-410-001) .
(4)
Remove the access platform(s). Subtask 49-12-54-865-058
B.
Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s): 1KD, 2KD.
Subtask 49-12-54-860-058
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 ground support and maintenance equipment, the special and standard tools and all other items.
(4)
Remove the warning notice(s).
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CES
BRACKETS - APU MOUNT - REMOVAL/INSTALLATION
___________________________________________ TASK 49-12-54-000-002 Removal of the APU Mount Brackets 4065KM, 4075KM, 4085KM (APS 3200) WARNING : DO NOT TOUCH THE APU UNTIL IT IS SUFFICIENTLY COOL TO PREVENT BURNS
_______ WHEN YOU DO THE MAINTENANCE TASK(S).
WARNING : LOCK THE MECHANISM OF THE ACCESS DOOR 316AR WITH THE PIP PIN WHEN YOU
_______ OPEN THE ACCESS DOOR. THIS WILL PREVENT INJURY.
CAUTION : DO NOT REMOVE MORE THAN ONE APU MOUNT AT A TIME WHEN THE APU IS
_______ INSTALLED. THE APU HOIST AND THE REMAINING TWO MOUNTS MUST SUPPORT THE APU WHEN YOU REMOVE AN APU MOUNT.
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 access platform 3.5 m (11 ft. 6 in.)
A1-91-265 1 HOIST - MINILIFT
98A49107504001 1 PROTECTOR - THREADS, APU MOUNTING BOLTS
B. Consumable Materials
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
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