(e)
If you get a maximum dimension of 13.35 inches, connect the linkage rod.
(f)
Tighten the nut on the linkage rod 25 to 50 pound-inches.
(g)
Tighten the hinge fitting bolts of the strike board, and remove the rigging pin.
(h)
If you can not get the maximum dimension of 13.35 inches, continue as follows: 1) Remove the rigging pin and loosen the 4 bolts that attach
the serrated bracket on the inboard door.
NOTE: Get the door open dimension to the inboard
____ limit of 6.77 inches (section C-C).
2) Adjust the hinge fitting vertically to get a maximum dimension of 13.35 inches and a minimum dimension of 1.55 inches (section B-B, Fig. 401 ) while you install the rigging pin.
3) Tighten the 4 bolts that attach the serrated bracket. 4) Connect the linkage rod and tighten the nut on the linkage rod 25 to 50 pound-inches. 5) Tighten the hinge fitting of the strike board that attach the bolts. 6) Remove the rigging pin.
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32-12-03
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A
747-400 MAINTENANCE MANUAL
S 644-019
(4)
Lubricate the entire upper surface of the strike board (AMM
12-21-01/301, figure 314).
D.
Put the Airplane back to its usual condition.
S 094-015
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.
(1)
Do this task: "Removal of the Door Locks on the Wing Landing Gear" (Ref 32-00-30/201).
S 094-016
(2)
Do this task: "Removal of the Door Locks on the Body Landing Gear" (Ref 32-00-30/201).
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
WING GEAR WHEEL WELL DOOR STRIKE BOARD - INSPECTION/CHECK
_________________________________________________________
1. General_______
A. The strike board inspection for the wheel well door will examine the bolts, the bushings and the rollers for worn areas.
B. You have to remove the strike board to do the inspection.
TASK 32-12-03-206-001
2. Wing Gear Wheel Well Door Strike Board Examination For Worn Areas (Fig. 601)_________________________________________________________________
A. References
(1)
12-21-01/301, Landing Gear
(2)
32-12-03/401, Wing Gear Wheel Well Door Strike Board
(3)
IPC 32-12-03 Fig. 1
B.
Access
(1)
Location Zone
732 Wing Landing Gear Door, LH
742 Wing Landing Gear Door, RH
C.
Procedure
S 026-002
(1)
Remove the strike board of the wheel well for the wing landing gear (Ref 32-12-03/401).
S 226-003
(2)
Examine the worn limits of the strike board bolts, the bushings and the rollers.
(a)
Measure the parts if it is necessary and compare the measured dimensions to the limit dimensions.
(b)
If the part is not in the tolerance, repair or replace it when it is necessary.
S 216-004
(3)
Examine the strike board and the moved zone for the collected tire rubber.
(a)
Remove the collected rubber with the solvent and lubricate the surface with grease (Ref 12-21-01/301).
S 426-005
(4) Install the strike board of the wheel well for the wing landing gear (Ref 32-12-03/401).
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