737-300 400 500 AMM 飞机维护手册 起落架 LANDING GEAR 2(33)

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 lower ink.
 (c)  Insert the lower link bolt from the right to the left.
 NOTE:____ The indent on the tang of the bolt head must go above
 the antirotation pin in the right lug of the fitting
 (26).
 (d)  Install the flat washer and the nut on the bolt end.
 (e)  Tighten the nut to 550 - 700 pound-inch lube torque.
 NOTE:____ Do not torque against the lockpin.
 (f)  Install the cotter pin.

 S 094-036
 (22)
 Remove the ground locks of the nose landing gear (AMM 32-00-01/201).

 (a)
Do a retraction test to examine the operation of the nose landing gear and the drag brace (AMM 32-33-00/501).

 S 584-035
 (23) Lower the nose of the airplane with the jacks (AMM 07-11-21/201).
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
 NOSE LANDING GEAR DRAG BRACE - INSPECTION/CHECK
_______________________________________________
 1.  General
_______
 A.  This procedure only has illustration and a wear limits table which shows the data for wear limits. There are no procedures for the access, the removal, or the installation of the parts. Refer to the Nose Landing Gear Drag Brace - Removal/Installation for procedures to do these tasks.
 TASK 32-21-21-206-002
 2.  Wear Limits for the Drag Brace of the Nose Landing Gear (Fig. 601)
_______________________________________________________
 A.  Wear Limits for the Drag Brace
 S 226-001
 (1)  Refer to Fig. 601 for the inspection points and the wear limits table.
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A

737-300/400/500MAINTENANCE MANUAL
A
UPPER DRAG BRACE ASSEMBLY
STRUCTURE
DRAG BRACE
SPHERICAL
BEARING

6. BUSHING/BOLT (2 LOCATIONS)
5. BEARING/
 BOLT

LOWER DRAG BRACE ASSEMBLY
A
FORWARD LOCK LINK
C
ASSEMBLY
C
LOWER DRAG BRACE ASSEMBLY
1. BUSHING/PIN B SHOCK
STRUT
B
FWD
UPPER DRAG BRACE ASSEMBLY
A-A
UPPER DRAG BRACE ASSEMBLY
2.
 BUSHING/PIN

3.
 BEARING/PIN

 (2 LOCATIONS) FORWARD LOCK LINK ASSEMBLY SHOCK STRUT ASSEMBLY
4. BUSHING/BUSHING  (2 LOCATIONS)
LOWER DRAG BRACE ASSEMBLY
B-B C-C
Nose Landing Gear Drag Brace 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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.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
NO. INDEX  PART NAME  DIM.  DESIGN LIMITS  WEAR LIMITS  WORN PART REPLACE  PART WORN REPAIR  INSTR REPAIR
DIAMETER  PER-DIM. WEAR MITTED  DIA MAX ANCE CLEAR-
MIN  MAX 
1  BUSHING  ID  1.4892  1.4902  1.493 0.005  X 
PIN  OD  1.4880 1.4885  1.487  X  1 
2  BUSHING  ID  1.2495  1.2500  1.253  0.005  X 
PIN  OD  1.2485  1.2490  1.247  X  1 
BEARING (RACE) ID  -- -- 2  0.005 X 
BEARING (BALL)  OD  -- -- 2  X 
3  BEARING (BALL)  ID  1.2495  1.2500  2  2  X 
PIN  OD  1.2485 1.2490  1.247  X  1 
4  BUSHING  ID  0.8150  0.8170  0.8210  0.010  X 
BUSHING  OD  0.8116  0.8123 0.8090  X 
　
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