32-36-08
 ALL  ú ú 01 Page 401 ú Oct 18/01 
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details. 
A 
747-400 MAINTENANCE MANUAL
 S 494-005
 (3)  Do this task: "Body Landing Gear Door Lock Installation"
 (AMM 32-00-30/201).
 S 034-006
 WARNING: MAKE SURE THAT ALL PERSONS AND EQUIPMENT ARE CLEAR OF THE DOOR
_______ OPERATION AREA. FAST MOVEMENT OF THE DOORS CAN CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
 (4)  
Do this task: "Wing Landing Gear Door Operator Rods Disconnection" (AMM 32-00-30/201).
S 864-005
 (5) 
Remove the power from the hydraulic system 1 (AMM 29-11-00/201).
S 864-006
 (6)  
Pressurize the hydraulic system 4 (AMM 29-11-00/201).
S 864-007
 (7)  
Move the ground release handle for the doors of the main landing gear to the DOORS CLOSED position.
S 864-008
 (8) 
Remove the power from the hydraulic system 4 (AMM 29-11-00/201).
S 984-009
 (9)  
Put the door actuator for the wing landing gear in its closed and locked position.
 NOTE: This is the extension of the actuator when the doors for the
____ wing landing gear are in the closed and locked position.
 D. Removal (Fig. 401)
 S 034-007
 (1) 
Disconnect the differential output rod from the ground release cam.
 (2)  
Remove the nut, shims, washers, and the ground release cam.
S 034-009
 (3)  
Disassemble the ground release cam if it is necessary.
 (a)  
Remove the bearings.
 (b)  
Remove the spacer.
 S 034-008
 S 034-010
 (4)  
Remove the lever assembly.
 (a)  
Disassemble the lever assembly if it is necessary.
 (b)  
Remove the bolt.
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
 32-36-08
 ALL  ú ú 01 Page 402 ú Oct 18/01 
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details. 
A 
747-400 MAINTENANCE MANUAL 
SEE A 
DOOR ACTUATOR 
FWD 
ACTUATOR BEAM 
SEE B 
A 
DOOR ACTUATOR 
B 
DOOR ACTUATOR 
A 
BEARING 
GROUND RELEASE CAM
A  0.08 |0.01 
DIFFERENTIAL LEVER OUTPUT ROD ASSEMBLY 
BOLT WASHER NUT (2 LOCATIONS) 
DIFFERENTIAL 
LEVER
OUTPUT ROD 
ASSEMBLY
GROUND RELEASE CAM 
BEARING 
A B
NUT 
0.19 |0.01 
NUT 
A 
RIGHT SIDE 
B  LEFT SIDE 
Wing Landing Gear Door Actuator Release Mechanism 
Figure 401 (Sheet 1)
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
 32-36-08
 ALL  ú ú 01 Page 403 ú Oct 10/91 
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details. 
A 
747-400 
MAINTENANCE MANUAL
DIFFERENTIAL OUTPUT ROD 
A-A 
DIFFERENTIAL 
OUTPUT ROD
FWD GROUND RELEASE CAM 
B-B
1 
DIMENSIONS EQUAL WITHIN 0.02 INCH
Wing Landing Gear Door Actuator Release Mechanism 
Figure 401 (Sheet 2)
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
 32-36-08
 ALL  ú ú 01 Page 404 ú Oct 10/91 
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details. 
 
中国航空网 www.aero.cn
航空翻译 www.aviation.cn
本文链接地址:747-400 AMM 飞机维护手册 起落架 LANDING GEAR 6(13)