(b)  
Remove the nut (5), the washers (4), the bolt (3), and the bushing (2) that attach the mount link (1) to the support block.

 (c)  
Remove the aft mount link (1).

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747-400
MAINTENANCE MANUAL

 TASK 49-13-07-404-009
 3. Aft Mount Link Installation (Fig. 401, Fig. 402)
___________________________
 A. Equipment
 (1)  
PF51-002-1 Hoist - Fishpole, Manual Powered
 06714 P. F. Industries Inc.
 151 S. Michigan St., Seattle, WA 98108-3225 or

 (2)  
AP6108 Hoist - Fishpole, Advanced Chain-Driven
 Morgan Aero Products
 2719 Pacific Avenue, Everett, WA 98201

 (3)  
2OHME65B00780-1 Sling - APU Rear Mount

 B.
Parts ~.............................................................................. | AMM | | AIPC | .................. ............................ | FIG | ITEM | NOMENCLATURE | SUBJECT | FIG | ITEM | ................................................................................ | 402 | 1 | Aft Link Assembly (Aft Mount | 49-13-01 | 01 | 60 | | | | Link) | or | | | | | | | 49-13-01 | 01A | 90 or | | | | | | | 375 | 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 424-010
 (1)  
Install the aft mount link (1):

 (a)  
Put the link (1) between the support block for the cone bolt and the engine flange.

 (b)  
Attach the link (1) to the support block with the bolt (3), the bushing (2), the washers (4), and the nut (5).

 (c)  
Attach the link (1) to the APU lug with the bolt (6), the washers (7), and the nut (8). 1) Tighten the nut (8) to 65-75 inch-pounds (7.4-8.5

 newton-meters).
 S 094-014
 (2) Remove the fishpole hoist and the sling from the APU compartment.
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 S 414-015
 (3)  
Close the APU access doors:

 (a)  
Do a visual check of the EGT bus bars:
 1) Make sure the bus bars are not damaged.
 2) Make sure no metal parts touch the bus bars.
 3) Make sure the bus bars do not touch each other.

 (b)  
Disengage the support rods for the APU access doors.

 (c)  
Put the support rods in the clips on the inner side of the APU access doors.

 (d)  
Make sure the insulation covers attach correctly to the APU compartment firewall.

 (e)  
Close the APU access doors.

 (f)  
Close the latches on the APU access doors.

 S 864-016
 (4)  
Remove the DO-NOT-CLOSE tags and close these circuit breakers:

 (a)  
P6 Main Power Supply Panel
 1) 6K18 APU ALTN CONT

 (b)  
P83 Panel, E8 Aft Equipment Center
 1) APU PRIMARY CONT

 S 864-017
 (5)  Remove the DO-NOT-OPERATE tag from the APU control switch on the P5 panel.
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