737-300 400 500 AMM 飞机维护手册 起落架 LANDING GEAR 3(143)

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 1.  General_______
 A.  This procedure only has illustration and wear limits tables which shows the data for the wear limits. There are no procedures for the access, the removal, or the installation of the parts. Refer to the Steering Collar - Removal/Installation for the procedures to do these tasks.
 TASK 32-51-61-206-001
 2.  Wear Limits for the Steering Collar (Fig. 601)___________________________________
 A.  Wear Limits for the Steering Collar
 S 226-002
 (1)  Refer to Fig. 601 for the inspection points and the wear limits table.
1. BUSHING/PIN  COLLAR LUG STEERING 
B  A 
A  B  PIN 
FWD  LINK CLEVIS UPPER TORSION 
A-A 
Steering Collar Wear Limits Figure 601 (Sheet 1) 

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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A

737-300/400/500MAINTENANCE MANUAL
6. OUTER

B-B

INDEX NO.  PART NAME  DIM.  DESIGN LIMITS  WEAR LIMITS  REPLACE PART WORN  REPAIR WORN PART  REPAIR INSTR 
DIAMETER  MITTED WEAR DIM. PER- CLEAR-ANCE MAX DIA 
MIN  MAX 
1  BUSHING ID  1.2500  1.2510  1.260  0.010  X 
PIN  OD  1.2490  1.2498  1.245  X  1 
2 BUSHING  ID  1.0000  1.0010  1.0080  0.010  X 
BOLT  OD  0.9991  0.9998  0.995  X  1 
3 COLLAR  ID  4.9970  4.9990  5.003  0.010  X  1 
BEARING  OD  4.9943  4.9950  4.991  X 
4  COLLAR  ID  1.2000  1.2010  1.2040  0.004  X  1 
BUSHING  OD  1.1990  1.1998  1.1980  X 
5 BEARING  ID  4.7940  4.7950  4.7970  0.003  X  1 
SHOCK STRUT  OD  4.7940  4.7950  4.7940  X  1 
6 OUTER CYLINDER  ID  3.9000  3.9020  3.906  AXIAL 0.015  X  1 
BEARING  OD  3.8950  3.8990  3.887  X 
7 BEARING  ID  3.401  3.403  3.413  0.015 AXIAL  X 
COLLAR  OD  3.398  3.400  3.394  X  1 

REFER TO OVERHAUL MANUAL FOR REPAIR INSTRUCTIONS
Steering Collar Wear Limits Figure 601 (Sheet 2)
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 ALL  ú ú 01 Page 602 ú Jul 12/99
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
 NOSE LANDING GEAR STEERING DEPRESSURIZATION VALVE -REMOVAL/INSTALLATION
____________________
 TASK 32-51-71-004-001
 1.  Nose Landing Gear Depressurization Valve Removal (Fig. 401)________________________________________________
 A. References
 (1)  
AMM 29-15-00/201, Hydraulic System A and B

 (2)  
AMM 32-00-01/201, Ground Lock Assemblies

 B.
Procedure

 S 494-002
 (1)  
Install the ground locks in the nose landing gear
 (AMM 32-00-01/201).

 S 864-003

 (2)  
Remove the pressure from the hydraulic system A (AMM 29-15-00/201).

 S 034-004

 (3)  
Disconnect the hydraulic lines and seal the two lines and the valve fittings with a cap.

 S 034-005

 (4)  
Remove the three mounting bolts and remove the valve.

 TASK 32-51-71-404-006
 2.  Nose Landing Gear Depressurization Valve Installation (Fig. 401)_____________________________________________________
 A. Standard Tools and Equipment
 (1)  
Steering Lockout Pin

 B.
References

 (1)  
AMM 29-15-00/201, Hydraulic System A and B

 (2)  
AMM 32-00-01/201, Ground Lock Assemblies

 C.
　
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