C.
Procedure

 S 014-002
 (1)  
Remove the adjacent center ceiling panel to get access to the nuts that hold the uplatch hook to the intercostal (Ref 25-55-02/401).

 (2)
Remove the two bolts from the uplatch hook assembly (Fig. 401).

 (3)  
Remove the hook assembly.

 S 024-003
 S 024-011
 TASK 52-36-03-404-004
 3.  Door Uplatch Hook - Installation________________________________
 A. Consumable Materials
 (1)  A00870 Adhesive, BMS 5-105, Type II, Class 1, EC 3532A/B
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A
747-400
MAINTENANCE MANUAL

UPLATCH HOOK ASSEMBLY

A
FWD

Bulk Cargo Door Uplatch Hook
Figure 401

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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
 (2)  
A00870 Adhesive, BMS 5-105, Type II, Class 2, EC 3549A/B

 B.
References

 (1)  
25-55-02/401, Bulk Cargo Compartment Ceiling and Sidewall Lining

 (2)  
IPC 52-36-03 Fig. 2

 C.
Access

 (1)  
Location Zone
 146 Bulk Cargo Compartment, RH

 (2)  
Access Panel
 823R Door - Bulk Cargo Compartment

 D.
Procedure

 S 214-013
 (1)  
Examine the bumper for damage.

 S 964-014

 (2)  
Replace the bumper, if it is damaged.

 NOTE: Use BMS 5-105 Adhesive.
____
 S 424-005
 (3)  
Loosely install the uplatch hook assembly with the two bolts, nuts and four washers (Fig. 401).

 S 014-009

 (4)  
Open the cargo door.

 S 824-006

 (5)  
Adjust the hook assembly inboard and outboard in the slots to get the full engagement of the hook in the latch support clip.

 (6)  
Tighten the bolts.

 (7)  
Replace the ceiling panel (Ref 25-55-02/401).

 S 034-008
 S 414-007
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A
747-400 MAINTENANCE MANUAL
 BULK CARGO DOOR HINGE - REMOVAL/INSTALLATION
____________________________________________
 1.  General_______
 A.  This procedure contains two tasks:
 (1)  
The first task is the removal of the door hinge from the bulk cargo door.

 (2)  
The second task is the installation of the door hinge on the bulk cargo door.

 B.  
The removal and installation procedures of the forward and aft hinges are equivalent. The snubber attached to the forward hinge is different.

 TASK 52-36-04-004-001
 2.  Cargo Door Hinge - Removal__________________________
 A.  Special Tools and Equipment
 (1)  
MIT65B09269 Tool - Cable Restraining

 B.  
Standard Tools and Equipment

 (1)  
Pin - Safety, 0.25-inch diameter, 4.0-inch length

 C.  
References

 (1)  
25-55-02/401, Bulk Cargo Compartment Ceiling and Sidewall Lining

 (2)  
52-36-02/401, Bulk Cargo Door Balance Mechanism

 (3)  
AIPC 52-36-02, Fig 2; AIPC 52-36-04, Fig 1

 D.  
Access

 (1)  
Location Zone
 146 Bulk Cargo Compartment, RH

 (2)  
　
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