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时间:2011-10-30 09:57来源:蓝天飞行翻译 作者:航空
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 S 212-016

 (2)  
SPIN BRAKES WITH ALUMINUM WEAR BARS; Examine the wear bars for wear and replace them if the upper surface of the wear bar is 1/32 inch or less above the bolt head. Examine the toe piece for wear and replace it if the upper surface of the toe piece is 1/32 inch or less above the countersunk fastener head.


 

 32-45-05
 ALL  ú ú 03 Page 207 ú May 28/99
 
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757 MAINTENANCE MANUAL
 TIRE INFLATION VALVE - REMOVAL/INSTALLATION
___________________________________________
 1.  General_______
 A.  This procedure contains two tasks. The first task removes the tire inflation valve. The second task installs the tire inflation valve.
 TASK 32-45-08-004-001
 2.  Remove the Tire Inflation Valve (Fig. 401)_______________________________
 A.  Equipment
 (1)  
Tire Deflation Tool - Saf-Cor, No. 968RB

 B.  
References

 (1)  
07-11-03/201, Jack Airplane Axle

 (2)  
12-15-03/301, Tires - Servicing

 (3)  
32-00-20/201, Landing Gear Downlocks

 C.  
Access

 (1)  
Location Zones
 711 Nose Landing Gear
 731 Landing Gear Left
 741 Landing Gear Right


 D.  
Procedure


 S 494-002
 (1)  
Make sure that the landing gear downlocks are installed (Ref 32-00-20).

 S 494-003

 (2)  
Make sure that chocks are installed on the wheels.

 S 584-004

 (3)  
Raise the axle on a jack so that there is clearance between the wheel and tire assembly and the ground (Ref 07-11-03).


 S 034-005
 WARNING: MAKE SURE THAT YOU DEFLATE THE TIRE BEFORE YOU REMOVE THE
_______ VALVE. IF YOU DO NOT DEFLATE THE TIRE, VALVE PARTS CAN COME OUT OF THE VALVE AT HIGH VELOCITY AND CAUSE INJURY TO PERSONS WHEN YOU TRY TO REMOVE THE VALVE.
 (4)  Deflate the tire.
 

 32-45-08
 ALL  ú ú 01 Page 401 ú Dec 20/90
 
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757
MAINTENANCE MANUAL

OUTER WHEEL HALF
LOCKWIRE
INFLATION VALVE
SEEA
A
A
A-A
PACKING  VALVE  B  GAGE 
CAP 
200 
150  250 
100  300 
PSIG 

A  B-B 

Tire Inflation Valve Installation
Figure 401

 

 32-45-08
 ALL  ú ú 01 Page 402 ú Dec 20/90
 
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757 MAINTENANCE MANUAL
 S 034-006
 (5)  
Remove lockwire from the valve.

 S 024-007

 (6)  
Turn the valve counterclockwise until the threads are disengaged from the wheel and remove the valve.


 TASK 32-45-08-404-008
 3.  Install the Tire Inflation Valve (Fig. 401)________________________________
 A. Consumable Materials
 (1)  
D00011 Silicone Compound - VV-D-1078

 B.
References

 (1)  
07-11-03/201, Jack Airplane Axle

 (2)  
12-15-03/301, Tires - Servicing

 (3)  
32-00-20/201, Landing Gear Downlocks

 C.
Access

 (1)  
Location Zones
 711 Nose Landing Gear
 731 Landing Gear Left
 741 Landing Gear Right


 D.
Procedure


 S 644-009
 (1)  
Lightly lubricate a new packing with silicone compound.

 (2)  
Install the packing on the valve stem.

 S 424-011

 (3)  
Install the inflation valve in the wheel and tighten to 150-200 pound-inches.

 (4)  
Install lockwire between the valve and the balance weight fastener.


 S 424-012
 S 424-013
 

 32-45-08
 ALL  ú ú 01 Page 403 ú Jun 20/91
 
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757 MAINTENANCE MANUAL
 (5)  S 614-014Inflate the tire (Ref 12-15-03).
 (6)  S 794-015Do a check of the valve installation for gas leaks.
 (7)  S 584-016Lower the wheel on the jack (Ref 07-11-03).
 (8)  S 584-017Remove the jack (Ref 07-11-03).

 

 32-45-08
 ALL  ú ú 01 Page 404 ú Dec 20/90
 
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757 MAINTENANCE MANUAL
 BRAKE TEMPERATURE MONITORING SYSTEM - DESCRIPTION AND OPERATION
 
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