S 092-037

 (7)  
Remove the drain equipment when all the oil has drained from the shock strut.

 S 032-038

 (8)  
Disconnect the head end of the truck positioner actuator from the inner cylinder, do not disconnect the hydraulic hoses (AMM 32-32-15/401).

 S 862-039

 (9)  
Attach the actuator to the truck.

 S 032-040

 (10)
 Disconnect the brackets that hold the disconnects for the hydraulic lines.

 NOTE: The brackets attach to the inner and outer cylinders at the
____
 upper and lower torsion link attach points.

 S 032-041
 (11)
 Disconnect the upper and lower attach brackets.

 S 032-042

 (12)
 Remove the upper and lower attach pins for the torsion link.

 S 032-043

 (13)
 Disconnect the hydraulic lines and the electrical lines from the brackets on the side of the truck beam.

 S 582-044

 (14)
 Lift the airplane on jacks until you can see approximately 9 inches of chrome on the inner cylinder (AMM 07-11-01/201).

 32-11-25
 ALL  ú ú 01 Page 227 ú May 28/02
 
A

757
MAINTENANCE MANUAL

 ú ú ú ú ú ú         ú
ú ú S 222-260(15) Measure and record the distance that the lower surface of the glandnut (22) extends below the lower surface of the outer cylinder(Fig. 201, Detail A).NOTE: The recorded measurement will be used to compare to the____2nd measurement made when the shock strut is assembled.
 S 842-045 (16) Wind a cloth pad around the inner cylinder.
 NOTE:____ This will prevent damage to the surface of the cylinder if the gland nut moves down.
 S 092-046 (17) Remove the lock key for the gland nut.
 S 012-047 (18) Use a spanner wrench to remove the gland nut.
 S 492-083 (19) Install the retainer assembly on the gland nut.
 S 842-235 (20) Move the retainer with gland nut, and the scraper, to the bottom of the inner cylinder. (a) Wind a cloth around the gland nut and the scraper to protect them.
 S 492-084 (21) Install the seal protector strip and ring assembly around the inner cylinder. Move it up into the outer cylinder and hold it there with the strap.
 S 842-236 (22) Put the puller assembly around the inner cylinder.
 S 492-237 (23) Install the puller pins in the lower bearing.
 S 432-008 (24) Tighten the puller assembly.
 S 492-009 (25) Install a strap tightly around the fork of the inner cylinder.

 32-11-25
 ALL  ú ú 01.1 Page 228 ú Sep 28/02
 
A

757
MAINTENANCE MANUAL

 S 582-049

 CAUTION: MAKE SURE YOU USE THE JACK UNDER THE AFT FUSELAGE STABILIZING
_______ POINT AFTER YOU LIFT THE AIRPLANE TO THIS HEIGHT. IF YOU DO NOT INSTALL A JACK AT THE STABILIZING POINT AFTER THE PRIMARY JACKS ARE IN THEIR FINAL POSITION, DAMAGE TO EQUIPMENT CAN OCCUR.
 (26) Lift the airplane on jacks to the height that is necessary to permit you to install the new seals over the top of the inner cylinder (AMM 07-11-01/201).
 NOTE: The height necessary to do this can be as much as 54 inches
____
 with the metering pin removed.

 S 032-071
 (27)
 Remove the metering pin from the top of the inner cylinder and secure it inside the outer cylinder.

 S 862-011

 (28)
 In the sequence that follows, install the new seals on the inner cylinder:
　
中國航空網 www.k6050.com
航空翻譯 www.aviation.cn
本文鏈接地址：757 AMM 飛機維護手冊 起落架 CHAPTER 32 - LANDING GEAR 1(134)