(a)  
Remove the jacks from the airplane.

 S 862-047
 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.
 (15)
 Do this task:  "Removal of the Door Locks from the Wing Landing Gear" (AMM 32-00-30/201).

 S 862-048

 (16)
 Do this task:  "Removal of the Door Locks from the Body Landing Gear" (AMM 32-00-30/201).

 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 32-11-10
 ALL  ú ú 01 Page 208 ú Oct 18/99
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
 TASK 32-11-10-202-034
 4.  Examine Lower Jury Strut on the Wing Landing gear for Worn Areas (Fig. 202)________________________________________________________________
 A. References
 (1)  
AMM 32-32-15/401, Wing Gear Downlock Actuator

 (2)  
AMM 32-32-16/401, Wing Gear Downlock Bungee

 (3)  
AIPC 32-11-08 Fig. 1

 (4)  
AIPC 32-11-10 Fig. 2

 B.
Access

 (1)  
Location Zone
 735 Wing Landing Gear, LH
 745 Wing Landing Gear, RH

 C.
Procedure

 S 032-035
 (1)  
Disconnect the downlock bungee (1) and the downlock actuator (4) from the lower jury strut (3) (AMM 32-32-16/401, AMM 32-32-15/401).

 S 222-036

 (2)  
Do a check on the bolts (4) and the bushing of the downlock bungee

 (1)
 and the downlock actuator for worn areas.

 (a)  
Measure the parts at the location shown in Figure 202.

 (b)  
Compare the measured dimensions to the wear limits in Figure 202.

 (c)  
If the part is not in tolerance, replace the part if you cannot repair it.

 S 432-037
 (3)  Connect the downlock bungee (1) and the downlock actuator (4) to the lower jury strut (3) (AMM 32-32-16/401, AMM 32-32-15/401).
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 32-11-10
 ALL  ú ú 01 Page 209 ú Oct 18/99
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL

3. LOWER JURY STRUT
4.

5.

6.

STRUT
2. BUSHING/BUSHING
1.
4.
BUSHING/BUSHING

5.
BOLT/BUSHING

A-A
Main Gear Lower Jury Strut Wear Limits Figure 202 (Sheet 1)
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 32-11-10
 ALL  ú ú 01 Page 210 ú Oct 10/91
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL

NO. INDEX  PART NAME  DIM.  DESIGN LIMITS  WEAR LIMITS  WORN PART REPLACE  PART WORN REPAIR  INSTR. REPAIR 
DIAMETER  DIM. ALLOWED WEAR 8  ANCE MAX CLEAR-DIAM 
MIN  MAX 
1  BUSHING  ID  0.5000  0.5029  0.5050  0.0061  X 
BOLT  OD  0.4982  0.4991  0.4970  X  6 
2  BUSHING  3  0.505  0.518  0.538  0.040  X 
BUSHING  7  0.498  0.500  0.478  X 
3  BUSHING  ID  1.0000  1.0025  1.0055  0.0065  X 
BOLT  OD  0.9980  0.9990  0.9660  X  5 
4  BUSHING  3  1.005  1.011  1.032  0.032  X 
BUSHING  4  0.995  1.000  0.979  X 
5  BOLT  1  2.516  2.526  2.592  0.082  X 
BUSHING  2  2.485  2.510  2.444  X 
　
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 2(5)