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时间:2011-03-31 23:48来源:蓝天飞行翻译 作者:航空
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 TASK 05-51-08-212-041
 2.  Wheel Bearing Failure_____________________
 A.  General
 (1)  The failure of a wheel bearing can be found by the symptoms or conditions that follow:
 (a)  
Contamination of the wheel bearing grease with unwanted material.

 (b)  
Metal particles or fragments in the area of the wheel and the brake

 (c)  
The hubcap is damaged or not there (main gear only)

 (d)  
A wheel that is canted more than the specifications permit


 NOTE: It is possible the wheel will be canted more than normal
____ if you have a wheel bearing failure. If you suspect a wheel bearing failure, continue with the maintenance procedure to verify the bearing has indeed failed and needs replacement.
 (e)  The wheel and tire assembly are not there.
 B.  Standard Tools and Equipment
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 05-51-08
 ALL  ú ú 01 Page 201 ú Nov 15/95
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
 WARNING: THE POWER CABLE OF THE BORESCOPE MUST BE
_______
 IN A GOOD CONDITION. IF THERE ARE
 CIRCUMFERENTIAL CUTS, FRAYED AREAS, OR
 RUPTURES TO THE EXTERNAL RUBBER COVER OF
 THE CABLE, INJURY TO PERSONS CAN OCCUR.

 (1)  
Borescope - Fiber Optic Light Supply - Model
 BLS-97, American Cystoscope Makers Inc.,
 Industrial Division, Pelham, New York


 (2)  
Borescope - Fiber Optic Light Supply - Model
 BLS-98, American Cystoscope Makers Inc.,
 Industrial Division, Pelham, New York


 (3)  
Rigid Borescope - Model BFO-3920A, American
 Cystoscope Makers Inc., Industrial Division,
 Pelham, New York


 (4)  
Flexible Borescope - Model BF1F-3127DD,
 Cystoscope Makers Inc., Industrial Division,
 Pelham, New York


 (5)  
Fiber Light Carrier - Model FO-400-5A,
 Cystoscope Makers Inc., Industrial Division,
 Pelham, New York


 (6)  
Rigid Borescope - Model FIB 730, Richard Wolf
 Medical Instruments Corp., Rosemont, Illinois


 (7)  
Rigid Borescope - Model FIB 740, Richard Wolf
 Medical Instruments Corp., Rosemont, Illinois


 (8)  
Rigid Borescope - Model FIB 760, Richard Wolf
 Medical Instruments Corp., Rosemont, Illinois

 

 C. References
 (1)  
AMM 05-51-07/201, High Energy Stop/Heat Damage Inspection

 (2)  
AMM 32-11-85/601, Main Gear Axle - Inspection/Check

 (3)  
AMM 32-11-85/801, Main Gear Axle - Approved Repairs

 (4)  
AMM 32-21-71/601, Nose Gear Axle - Inspection/Check

 (5)  
AMM 32-41-41/401, Main Gear Wheel Brake - Removal/Installation

 (6)  
AMM 32-41-41/601, Main Gear Wheel Brake - Inspection/Check

 (7)  
AMM 32-42-11/401, Antiskid Transducer - Removal/Installation

 (8)  
AMM 32-45-00/601, Tires and Wheels - Inspection/Check

 (9)  
AMM 32-45-11/401, Main Gear Tire and Wheel - Removal/Installation

 (10)
 AMM 32-45-21/401, Nose Gear Wheel - Removal/Installation

 (11)
 AMM 51-21-98/701, Heat, Weather and Oil Resistant Inorganic Protective Coating - Cleaning/Painting


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 05-51-08
 ALL  ú ú 01 Page 202 ú Nov 12/00
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
 D. Procedure
 S 212-042
 (1)  Do the wheel inspection (Ref 32-45-00/601).
 (a)  When a main wheel shows signs of a wheel bearing failure, or there are other problems, remove the wheel and tire assembly (AMM 32-45-11/401).
 NOTE: The wheel and tire assembly, and the bearings must be
____ sent to the shop for disassembly and a detailed inspection.
 
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