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A
747-400
MAINTENANCE MANUAL
SEE A
INBOARD DOOR WHEEL WELL WING GEAR WHEEL WELL INBOARD DOOR BODY GEAR BODY GEAR OUTBOARD DOOR WHEEL WELL
FWD BSEE A D B A D B C C
INBD OUTBOARD DOOR SHOCK STRUT BODY GEAR
A SHOCK STRUT INBOARD DOOR BODY GEAR
Body Gear Shock Strut Outboard Door Adjustment Figure 506 (Sheet 1)
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747-400 MAINTENANCE MANUAL
DOOR STOP STOP
|0.12 INCH MAX
CLEARANCE
MISMATCH
A-A
DOORSTOP STOP
CLEARANCE
MISMATCH
BODY (REF)
B-B
|0.12 INCH MAX MISMATCH
C-C
Body Gear Shock Strut Outboard Door Adjustment Figure 506 (Sheet 2)
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747-400
MAINTENANCE MANUAL
BODY GEAR BODY GEAR BODY GEAR BODY GEAR
WHEEL WELL SHOCK STRUT WHEEL WELL SHOCK STRUT
OUTBOARD DOOR OUTBOARD DOOR
OUTBOARD DOOR OUTBOARD DOOR FWD
INCH LIMITS OF MISMATCH OF THE OUTBOARD SHOCK STRUT DOOR INSIDE THE CONTOUR OF THE WHEEL WELL OUTBOARD DOOR:
0.12 INCH (30% OF THE EDGE OF THE SHOCK STRUT OUTBOARD DOOR)
0.06 INCH (70% OF THE EDGE OF THE SHOCK STRUT OUTBOARD DOOR)
LIMITS OF MISMATCH OF THE OUTBOARD SHOCK STRUT DOOR
OUTSIDE THE CONTOUR OF THE WHEEL WELL OUTBOARD DOOR: INSIDE MISMATCH
0.06 INCH (30% OF THE EDGE OF THE SHOCK STRUT OUTBOARD DOOR)
0.03 INCH (70% OF THE EDGE OF THE SHOCK STRUT OUTBOARD DOOR)
D-D
OUTSIDE MISMATCH
DOOR OPEN POSITION
B
Body Gear Shock Strut Outboard Door Adjustment
Figure 506 (Sheet 3)
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747-400 MAINTENANCE MANUAL
~............................................................................... | BODY GEAR SHOCK STRUT OUTBOARD DOOR FLUSHNESS AND CLEARANCE DEVIATIONS | | TABLE 503 | ................................................................................. | | | TYPE OF | MISMATCH | | | AIRPLANE | ZONE | MISMATCH | (FLUSHNESS) | CLEARANCE | 2............…........….............…..................…........................1
(3) S 865-304Extend the landing gear and open the landing gear doors.
(4) S 865-305Install ground locks on all landing gear (AMM 09-11-00/201).
(5) S 865-295Reduce the hydraulic pressure to 0-50 psi (AMM 29-11-00/201).
(6) S 025-315Disconnect the linkage rod for the wing gear door:
NOTE:____ This will allow you to access the door sensor.
(a) (b) (c) Install door locks for the wing and body landing gear (AMM 32-00-30/201).Remove wing gear door actuator rod (AMM 32-12-02/401).Remove door locks for the body landing gear (AMM 32-00-30/201).
(7) S 865-296Move the ground door release handle to the "Doors Closed" position.
(8) S 865-297Begin closing doors by reapplying hydraulic pressure to slowly bring outboard landing gear door into contact with the door stop at view A-A (Figure 502).
(9) S 865-316With the door stop at view A-A in contact, slowly increase the hydraulic pressure using a ground power cart to 1500 +/- 50 psi (AMM 29-11-00/201).
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú 中國航空網 m.k6050.com 航空翻譯 www.aviation.cn 本文鏈接地址：747-400 AMM 飛機維護手冊 起落架 LANDING GEAR 3(74)
