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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
~............................................................................... | WING GEAR SHOCK STRUT DOOR FLUSHNESS AND CLEARANCE DEVIATIONS | | TABLE 503 | ................................................................................. | | | TYPE OF | MISMATCH | | | AIRPLANE | ZONE | MISMATCH | (FLUSHNESS) | CLEARANCE | .................................................................................
|ABD 001 | B-B | |+0.09/-0.13 inch | |
| | | |(25% of door edge)| |
| | | | | |
| | E-E | | |0.63 +0.12/-0.10 inch |
| | TABLE | | | |
| | (PT A) | | | |
| | | | | |
| | E-E | | |0.63 +0.14/-0.20 inch |
| | TABLE | | | |
| | (PT B) | | | |
2............…........….............…..................…........................1
S 585-072
(2)
Lift the airplane with jacks to remove the weight from the wing landing gear to permit the gear retraction (AMM 07-11-01/201).
S 865-073
(3)
Pressurize the hydraulic systems No. 1 and 4 (AMM 29-11-00/201).
S 095-074
(4)
Remove the ground lockpins for the wing landing gear (AMM 09-11-00/201).
S 865-075
WARNING: MAKE SURE THAT ALL PERSONS AND EQUIPMENT ARE CLEAR OF THE GEAR
_______ AND DOOR OPERATION PATHS. DO NOT MOVE THE GEAR AND DOORS TOO QUICKLY. IT CAN CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
(5)
Move the control handle for the landing gear to the UP position to retract the wing landing gear.
S 865-076
(6)
Remove the pressure from hydraulic systems No. 1 and 4 (AMM 29-11-00/201).
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ALL ú ú 27 Page 532 ú Feb 18/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL
S 865-077
WARNING: MAKE SURE THAT ALL PERSONS AND EQUIPMENT ARE CLEAR OF THE DOOR
_______ OPERATION PATHS. DO NOT MOVE THE DOORS TOO QUICKLY. IT CAN CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
(7)
Operate the release handle to open the wheel well doors for the wing and body landing gears.
S 835-079
(8)
Adjust the outboard door for the shock strut:
(a)
Adjust the linkage rod of the outboard shock strut door (View C, Fig. 506) until the outboard door aligns with the wing panels surface (View A-A and B-B Fig. 506).
NOTE: Make sure you can see the rod end threads through
____ the inspection hole for the linkage rod.
(b) Tighten the linkage rod nut to 660 - 980 pound-inches. Install safety wire.
NOTE: Do not adjust the door hinge halves. The door hinge
____ positions have been made in the factory and are not necessary to change.
(c) Align the forward edge of the door with the adjacent wing panel surface by adjusting the linkage rods of the fixed trailing edge ( Detail D, Fig.506 Sheet 2 ).
S 865-080
(9)
Pressurize the hydraulic system No. 4 (AMM 29-11-00/201).
S 845-196
(10)
Move the control handle of the landing gear to the DOWN position to extend the wing landing gear.
S 495-081
(11)
Install the ground lockpins for the wing landing gear (AMM 09-11-00/201).
S 865-082
(12)
Remove the pressure from hydraulic system No. 4 (AMM 29-11-00/201).
S 415-083
(13)
Install the inboard shock strut door if you removed it (AMM 32-12-06/401).
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