S 092-040
(7)
Do this task: "Removal of the Door Locks from the Body Landing Gear" (AMM 32-00-30/201).
TASK 32-11-13-822-015
4. Drag Brace Pin Adjustment on the Wing Landing Gear (Fig. 202)
__________________________________________________
A. Special Tools and Equipment
(1)
F70312-22 - Wrench from Crowfoot Wrench Kit for Drag Brace Pin
B.
Consumable Materials
(1)
A00226 - Tamper Proof Putty BMS 8-45
C.
References
(1)
AMM 07-11-01/201, Jacking Airplane
(2)
AMM 09-11-00/201, Towing
(3)
AMM 32-00-30/201, Landing Gear Door Locks
(4)
AMM 32-11-13/201, Wing Gear Uplock Roller
D.
Access
(1)
Location Zone
735 Wing Landing Gear, LH
745 Wing Landing Gear, RH
E.
Prepare for the Adjustment
S 862-016
(1) Install the ground locks in all landing gear (AMM 09-11-00/201).
S 842-037
WARNING: YOU MUST CAREFULLY DO THE STEPS IN THE TASK BELOW TO INSTALL
_______ THE DOOR LOCKS ON THE LANDING GEAR DOORS. THE DOORS CAN CLOSE QUICKLY IF YOU DO NOT INSTALL THE DOOR LOCKS CORRECTLY. THIS CAN CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
(2) Do this task: "Installation of the Door Locks on the Wing Landing Gear" (AMM 32-00-30/201).
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A
747-400 MAINTENANCE MANUAL
S 842-036
(3)
Do this task: "Installation of the Door Locks on the Body Landing Gear" (AMM 32-00-30/201).
S 862-018
(4)
Lift the airplane on jacks until the wheels are off the ground (AMM 07-11-01/201).
F.
Adjust the Drag Brace Pin
S 022-019
(1)
Remove the uplock roller bolt and the roller assembly, Wing Landing Gear Uplock Roller Removal (AMM 32-11-13/201).
S 032-020
(2)
Remove the lockbolt (1) and the special nut (4) from the pin assembly (2) on the drag brace.
(a)
Remove the pin assembly (2) on the drag brace.
NOTE: The pin, lube retainer, and O-rings from the shock strut
____ make the pin assembly on the drag brace.
S 822-021
CAUTION: YOU MUST KEEP A MINIMUM THICKNESS OF 0.109 INCHES TO THE
_______ FLANGE. TOO MUCH CLEARANCE CAN CAUSE DAMAGE TO THE ROLLER ASSEMBLY.
(3)
Grind the bushing flange (3) slowly with a file until the uplock roller can turn.
(4)
Install the pin assembly (2) on the drag brace.
S 422-023
(5)
Install the uplock roller bolt and the roller assembly, Wing Landing Gear Uplock Roller Installation (AMM 32-11-13/201).
S 432-022
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A
747-400
MAINTENANCE MANUAL
3. BUSHING
Wing Gear Drag Brace Pin Adjustment
Figure 202
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747-400 MAINTENANCE MANUAL
S 212-024
(6) Make sure the roller will turn.
(a) If the roller is still tight, do the steps above.
S 432-025
(7) Use the crowfoot wrench and tighten the special nut (4) from 60 to
120 pound-inches more than the drive torque.
(a) Loosen the nut to the nearest castellation and install the
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