(c)
Temporarily install the nut (11) adjacent to the nut (14) on the setscrew (15). Use the nut (11) as a locknut and remove the setscrew (15) from the FWD APU mount-bracket (17).
(d)
Remove the FWD APU mount-nut (16).
(e)
Remove the bolts (10) from the FWD APU mount-bracket (17).
(f)
Carefully pull the FWD APU mount-bracket (17) out and down to disconnect it from the APU and the vibration isolator.
NOTE : The FWD APU mount-bracket has a spigot which engages in
____ the APU. This spigot is 9.0906 mm (0.3578 in.) long.
(g)
Install the PROTECTOR - THREADS, APU MOUNTING BOLTS to the vibration isolators.
(h)
Clean the FWD APU mount-bracket and the setscrew with CLEANING AGENTS (Material No. 11-001).
(i)
Do a visual inspection of the FWD APU mount-bracket for damage:
(j)
Do a visual inspection of the setscrew. Replace the setscrew and the nuts if necessary.
1_ Make sure that the bolt holes of the bracket are not
elongated.
2_ Make sure that the surface finish of the tapered hole is not
scratched, scored or burred.
3_ Make sure that the thread in the bracket, for the setscrew is
not damaged.
4_ Make sure that the flange is not bent.
5_ Make sure that there are no cracks in the APU mount bracket.
If you think there is a crack, do a dye-penetrant inspection.
(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)
Removal of the Lockwire: WARNING : CUT, REMOVE AND DISCARD THE LOCKWIRE AS YOU DO THE
_______
TASK. LOOSE LOCKWIRE CAN CUT OR BLIND YOU.
-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.
TASK 49-12-54-400-001
Installation of the APU Mount Brackets (4065KM, 4075KM, 4085KM) (GTCP 36-300)
1. Reason for the Job
__________________
Self Explanatory
2. Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
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
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