(c)
Attach the yoke to the APU mounting brackets.
(d)
Install the fishpole hoists into the keyhole slots in the top structure of the APU compartment.
(e)
Visually make sure the fishpole hoists are correctly installed in the keyhole slots.
(f)
Attach the fishpole hoists to the yoke.
(g)
Tighten the fishpole hoist cables or chains to hold the APU during the shockmount removal.
S 024-021
(5)
Remove the forward shockmount (8 or 19):
(a)
Remove the cone bolt nut (11) and the washer (10) from the cone bolt.
(b)
Remove the nuts (7), the washers (2), the bushings (6), and the bolts (1) that attach the axial and vertical supports (12 and 13) to the shockmount (8 or 19).
(c)
On the left shockmount (8): Remove the nut (9), the washers (3), the bushing (5), and the bolt (4) that attach the lateral support (14) to the shockmount (8).
(d)
Lift the shockmount (8 or 19) from the mounting bracket.
CAUTION: USE A RUBBER MALLET TO PREVENT DAMAGE TO THE END OF
_______ THE CONE BOLT. DAMAGE TO THE CONE BOLT THREADS CAN OCCUR.
1) If the cone bolt does not freely move apart, lightly hit the end of the bolt to loosen it.
TASK 49-13-01-404-025
5. Forward Shockmount Installation (Fig. 401, Fig. 402)
_______________________________
A. Equipment
(1) PF51-002-1 Hoist - Fishpole, Manual Powered (Quantity of 2) 06714 P. F. Industries Inc. 151 S. Michigan St., Seattle, WA 98108-3225 or
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL
(2)
AP6108 Hoist - Fishpole, Advanced Chain-Driven (Quantity of 2) Morgan Aero Products 2719 Pacific Avenue, Everett, WA 98201
(3)
PME60B10005-1 Stand - APU (Yoke Assembly) or
(4)
2PME60B10005-1 Stand - APU (Yoke Assembly)
B. Parts ~.............................................................................. | AMM | | AIPC | ................. ............................ | FIG | ITEM | NOMENCLATURE | SUBJECT | FIG | ITEM | ................................................................................ | 402 | 8 | Shockmount (Left Shockmount) | 49-13-01 | 05 | 125 | | | 19 | Shockmount (Right Shockmount) | | | 130 | 2.......….......…...................................…...........…......….......1
C. Access
(1)
Location Zones
221 Control Cabin - Left
222 Control Cabin - Right
310 Fuselage - Station 2360 to Station 2792
(2)
Access Panels
317AL APU Access Door - Left
318AR APU Access Door - Right
D.
Procedure
S 424-036
(1)
Install the forward shockmount (8 or 19):
(a)
Put the cone bolt in the APU mounting bracket.
(b)
Attach the axial and vertical supports (12 and 13) to the shockmount (8 or 19) with the bolts (1), the washers (2), the bushings (6), and the nuts (7). 1) Tighten the nuts (7) to 50-70 inch-pounds (5.6-7.9
newton-meters).
(c)
On the left shockmount (8): Attach the lateral support (14) to the shockmount (8) with the bolt (4), the washers (3), the bushing (5), and the nut (9). 1) Tighten the nut (9) to 50-70 inch-pounds (5.6-7.9
newton-meters).
(d)
Install the cone bolt nut (11) and the washer (10).
(e)
Tighten the cone bolt nut (11) to 800-900 inch-pounds (90.4-101.7 newton-meters).
NOTE:____The cone bolt has flat sides for a wrench. Use a wrench to hold the cone bolt while you tighten the cone bolt nut.
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49-13-01
ALL ú ú 01 Page 410 ú Oct 18/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
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