SEE A
AB
A  BOLT
B
(2 LOCATIONS)
PULL BOX BOLT
BOLT
BRACKET BRACKET  (2 LOCATIONS)
(4 LOCATIONS)
A
Truck Shield Installation for the Wing Landing Gear
Figure 401 (Sheet 1)

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H12914
A
747-400
MAINTENANCE MANUAL

WING GEAR TRUCK
B-B

Truck Shield Installation for the Wing Landing Gear
Figure 401 (Sheet 2)

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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
 B. Procedure
 S 424-008
 (1)  
Install the truck shield.

 (a)  
Use the six bolts to install the truck shield on the three brackets.

 (b)  
Use the six bolts to install the pull box.

 NOTE: If it is not easy to install the bolts, you can adjust
____ the position of the pull box to make the installation possible.
 (c)  
Connect the hydraulic guides to the shield and the forward bracket.

 (d)  
Connect the brake rod lanyards to the truck shield.

 NOTE: Hold the lanyards with the pin and the cotter pin.
____
 S 024-039
 WARNING: YOU MUST CAREFULLY DO THE STEPS IN THE TASK BELOW TO REMOVE THE
_______ DOOR LOCKS FROM THE LANDING GEAR DOORS. THE DOORS CAN CLOSE QUICKLY IF YOU DO NOT REMOVE THE DOOR LOCKS CORRECTLY. THIS CAN CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
 (2)  
Do this task: "Removal of the Door Locks on the Wing Landing Gear" (AMM 32-00-30/201).

 S 024-016

 (3)  
Do this task: "Removal of the Door Locks on the Body Landing Gear" (AMM 32-00-30/201).

 TASK 32-11-26-004-026
 4. Wing Gear Bumper Removal (Fig. 402)
________________________
 A. References
 (1)  AMM 09-11-00/201, Towing
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL

 (2)  
AMM 32-00-30/201, Landing Gear Door Locks

 (3)  
AIPC 32-11-26 Fig. 1

 B.  
Access

 (1)  
Location Zone
 735 Wing Landing Gear, LH
 745 Wing Landing Gear, RH

 C.  
Procedure

 S 024-028
 (1)  
Remove the bumper:

 (a)  
Remove clamp B from the airplane.

 (b)  
Remove four nuts, four washers, and four bolts from the bumper plate and remove the bumper plate and bumper from clamp B.

 TASK 32-11-26-404-027
 5.  Wing Gear Bumper Installation (Fig. 402)
_____________________________
 A.  Consumable Materials
 (1)  
C00437 Aluminized epoxy primer

 (2)  
A00310 Sealant - BMS 5-79, Type B

 (3)  
B00184 Cleaning Solvent - BMS 11-7

 (4)  
G00373 Tape, Mylar - Mystik No. 7355

 B.  
Procedure

 S 424-029
 (1)  
Install the bumper.

 S 424-031

 (2)  
Install the bumper (Fig. 402):

 (a)  
Use the solvent to clean the bumper plate and the area on clamp B where the bumper plate and clamp touch.

 NOTE: Use a clean dry cloth to wipe them dry.
　
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