(3) Remove the rear APU mount-bracket.
(a) Disconnect the rear vibration isolator (23) from the tie-rods
(22) and (28).
1 Remove the cotter pin (18) from the nut (19).
_
2 Remove the nut (19) and the washer (20) from the bolt (21).
_
3 Remove the bolt (21) and disconnect the rear right tie-rod
_
(22) from the rear vibration isolator (23).
4_ Remove the cotter pins (24) from the nuts (25).
5_ Remove the nuts (25) and the washers (26) from the bolts (27).
6_ Remove the bolts (27) and disconnect the rear left tie-rod
(28) from the rear vibration isolator (23).
(b)
Remove the rear APU mount-nut (29) and remove the rear vibration isolator (23) from the rear APU mount-bracket (31).
(c)
Remove and discard the lockwire from the bolts (30) of the rear APU mount bracket (31).
(d)
Remove the bolts (30) from the rear APU mount bracket (31).
(e)
Carefully pull the rear APU mount-bracket (31) up to remove it from the APU.
NOTE : The rear APU mount-bracket has a spigot which engages in
____ the APU. This spigot is 5.0 mm (0.1968 in.) long.
5. Close-up
________ TASK 49-12-54-400-002
Installation of the APU Mount Brackets 4065KM, 4975KM, 4085KM (APS 3200)
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 3.0 m (9 ft. 10 in.)
No specific Torque Wrench : range 0.00 to 1.20 m.daN
(0.00 to 9.00 lbf.ft) No specific Torque Wrench : range 0.20 to 3.60 m.daN
(2.00 to 26.00 lbf.ft) No specific Torque Wrench : range 1.00 to 10.00 m.daN
(8.00
to 75.00 lbf.ft) 98A49107504001 1 PROTECTOR - THREADS, APU MOUNTING BOLTS
B.
Consumable Materials
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
No specific lockwire-corrosion resistant steel No specific lockwire-corrosion resistant steel 0.63 mm (0.0248 in.) dia.
Material No. 05-027 USA MIL-L-81309 RUST INHIBITOR(FOR CORROSION USE 15-004) (Ref. 20-31-00)
Material No. 11-001 USA MIL-D-16791 TYPE I DETERGENT (Ref. 20-31-00)
C. Expendable Parts -------------------------------------------------------------------------------
FIG.ITEM --------- |DESIGNATION ---------------------------------------- |IPC-CSN------------------------------
18 cotter pin 49-12-04 04 -100
24 cotter pin 49-12-04 04 -110
D. Referenced Information
------------------REFERENCE -------------------------------DESIGNATION ------------------------------
-------------------------------------------------------------------------------
20-28-00-912-002 Electrical Bonding of Components With Conductive Bolts and Screws in the Tanks 24-41-00-861-002 Energize the Aircraft Electrical Circuits from the External Power 24-41-00-862-002 De-energize the Aircraft Electrical Circuits Supplied from the External Power 29-00-00-864-001 Put the Related Hydraulic System in the Depressurized
Configuration before Maintenance Action 49-00-00-080-001 Removal of the APU Hoist Tool (APS 3200) 52-41-00-010-001 Open the APU Doors for Access 52-41-00-410-001 Close the APU Doors after Access 52-41-21-000-001 Removal of the APU Access Door 315AL 52-41-22-000-001 Removal of the APU Access Door 316AR and the related
Door Mechanism 49-12-54-991-003 Fig. 401 49-12-54-991-004 Fig. 402
3. Job Set-up
__________
Subtask 49-12-54-860-051
A. Aircraft Maintenance Configuration
(1)
Make sure that the warning notices is on panel 25VU to tell persons not to start the APU.
(2)
Make sure that the ground service network is energized (Ref. TASK 24-41-00-861-002).
(3)
Make sure that the hydraulic systems are depressurized (Ref. TASK 29-00-00-864-001).
(4)
Make sure that the access platform is in position below the access doors 315AL and 316AR.
(5)
Make sure that the APU access doors 315AL, 316AR are open (Ref. TASK 52-41-00-010-001) or removed (Ref. TASK 52-41-21-000-001) and (Ref. TASK 52-41-22-000-001).
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