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时间:2011-10-30 09:32来源:蓝天飞行翻译 作者:航空
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 (a)  
Put the spare seals in the correct grooves in the lower bearing.

 H.
Put the Airplane Back to Its Usual Condition


 S 092-116
 (1)  
Hold the lower bearing and remove the puller assembly.

 S 432-117

 (2)  
Install the ram assembly below the lower bearing.

 (a)  
Attach the slide hammers, if it is necessary.


 S 842-118
 (3)  
Move the ram assembly up to push the lower bearing in the outer cylinder.

 (4)  
Remove the ram assembly.

 (5)  
Remove the seal protector strip and ring assembly.

 (6)  
Remove the retainer assembly from the gland nut.

 (7)  
Apply a thin layer of hydraulic fluid and petrolatum to the scraper.


 S 032-119
 S 092-081
 S 492-082
 S 642-120
 

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A

757
MAINTENANCE MANUAL

 (8)  S 642-242GLAND NUTS WITH LUBE FITTINGS; apply grease (MIL-G-4343) to the threads of the gland nut (22).
 (9)  S 622-243GLAND NUTS WITHOUT LUBE FITTINGS; apply Compound, to the threads of the gland nut (22).
 S 842-122

 (10)
 Move the gland nut and the scraper up the inner cylinder to the correct position.

 S 432-123

 (11)
 Use a spanner wrench to tighten the gland nut.

 S 432-124

 (12)
 Install the lock key for the gland nut.

 S 432-125

 (13)
 Connect the lower torsion link to the inner cylinder (Ref 32-11-16).

 S 432-126

 (14)
 Install the target bracket for the truck tilt sensor on the inner cylinder of the shock strut (AMM 32-09-10/401).

 S 582-127

 (15)
 Lower the airplane but leave the jacks in place (AMM 07-11-01/201).

 S 432-128

 (16)
 Connect the head end of the truck positioner actuator to the inner cylinder (AMM 32-32-15/401).

 S 202-129

 (17)
 Do a check of the distance for the tilt sensor on the truck of the main landing gear (AMM 32-09-07/201).

 S 612-130

 (18)
 Do the servicing of the shock strut (AMM 12-15-01/301).


 S 492-005
 WARNING: USE THE PROCEDURE IN AMM 32-00-15/201 TO REMOVE THE DOOR LOCKS.
_______ THE DOORS OPEN AND CLOSE QUICKLY AND CAN CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
 (19) Remove the door locks from the landing gear doors and close the doors (AMM32-00-15/201).
 

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A
757 MAINTENANCE MANUAL
 S 712-253
 (20) If needed, you may do an operational test of the extention and retraction (AMM 32-32-00/501).
 NOTE: The operational test will help you validate the assembly
____
 of the landing gear.

 S 082-258
 (21)
 Remove the jacks (AMM 07-11-01/201).

 S 792-257

 (22)
 Do a Shock Strut Seal Leak Inspection.


 TASK 32-11-25-402-070
 5. Active and Spare Seal Replacement - Optional Procedure (Fig. 201)
______________________________________________________
 NOTE: To do this procedure it will be necessary to lift the airplane on
____ jacks to a height that will allow installation of new seals over the top of the inner cylinder. The height necessary to do this can be at least 54 inches.
 A. Equipment
 (1)
Shock Strut Drain Equipment, MLG/NLG - A32066-1
 
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