(2)  
IPC 32-11-03 Fig. 1, IPC 32-11-19 Fig. 1

 B.  
Access

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

 C.  
Procedure

 S 026-002
 (1)  
Remove the trunnion fork and the bolt assemblies of the trunnion fork (Ref 32-11-19/401).

 S 226-003

 (2)  
Do a check on the wear limits of the housing of the trunnion fork bearing, the bushings and the bolts.

 (a)  
Measure the parts as it is necessary and compare the measured dimensions to the limit dimensions.

 (b)  
If the part is not in tolerance, repair or replace as it is necessary.

 S 426-004
 (3)  Install the trunnion fork and the bearing and connect the trunnion fork to the wing gear trunnion (Ref 32-11-19/401).
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 32-11-19
 ALL  ú ú 01 Page 601 ú Oct 10/95
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL

FOR DRAG BRACE-TO-TRUNNION FORK INSPECTION/CHECK REFER TO 32-11-03/601
Wing Gear Trunnion Fork Wear LimitsFigure 601 (Sheet 1)
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 32-11-19
 ALL  ú ú 01 Page 602 ú Jun 10/88
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL

3. RACE/BALL

A-A

Wing Gear Trunnion Fork Wear Limits
Figure 601 (Sheet 2)

EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 32-11-19
 ALL  ú ú 01 Page 603 ú Jun 10/88
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL

INDEX NO.  PART NAME  DIM.  DESIGN LIMITS  WEAR LIMITS  REPLACE PART WORN  REPAIR WORN PART  REPAIR INSTR. 
DIAMETER  MITTED PER-WEAR DIM. 16  ANCE DIAM CLEAR-MAX 
MIN  MAX 
1  HOUSING  ID  6.9998  7.0016  7.0043  0.0083  X  1 
RACE  OD  6.9960  6.9980  6.9933  X 
2  HOUSING  2  2.77  2.79  4  X 
RACE  3  2.80  2.83  X  5 
3  RACE  ID  6.2500  6.2520  6.2570  0.0090  X 
BALL  OD  6.2480  6.2490  6.2430  X  5 
4  BUSHING  ID  2.2500  2.2510  2.2570  0.0080  X 
BOLT  OD  2.2480  2.2490  2.2450  X  5 
5  BUSHING  ID  2.2500  2.2515  2.2555  0.0065  X 
BOLT  OD  2.2480  2.2490  2.2450  X  5 
6  BOLT  6  3.143  3.148  3.184  0.044  X  8 
BUSHING  7  3.126  3.140  3.104  11 
7  BUSHING  9  1.255  1.264  1.284  0.036  11 
BUSHING  10  1.246  1.248  1.228  11 
8  BUSHING  12  7.375  7.379  7.404  0.032  11 
BUSHING  13  7.363  7.372  7.347  11 
9  BUSHING  14  9.878  9.886  9.905  0.038  X  11 
BUSHING  15  9.867  9.875  9.848  X  11 

Wing Gear Trunnion Fork Wear Limits
Figure 601 (Sheet 3)

EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 32-11-19
 ALL  ú ú 01 Page 604 ú Jun 10/90
　
中國航空網 www.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(35)