S 842-029
(21)
Move the seal retainer down.
S 412-030
(22)
Install the pins to connect the seal retainer to the lower bearing.
NOTE: Make sure the pins are installed in the correct orientaion as
____ shown in Fig. 201. Make sure the pins stay in position when you move the lower bearing up into the outer cylinder.
H. Put the Airplane Back to Its Usual Condition
S 092-053
(1)
Hold the lower bearing and remove the puller assembly.
S 492-054
(2)
Install the ram assembly below the lower bearing.
(a)
Attach the slide hammers, if it is necessary.
S 582-055
(3)
Lower the airplane so the lower bearing on the inner cylinder goes into the outer cylinder.
S 582-056
(4)
Move the ram assembly up to push the lower bearing in the outer cylinder, if it is necessary, as you continue to lower the airplane.
S 092-057
(5)
Remove the ram assembly.
(6)
Remove the seal protector and strip from the outer cylinder.
(7)
Remove the retainer from the gland nut.
(8)
Apply a thin layer of hydraulic fluid and petrolatum to the scraper.
S 092-087
S 092-088
S 642-058
32-11-25
ALL ú ú 01 Page 232 ú Dec 20/96
A 757 MAINTENANCE MANUAL
(9) S 642-244GLAND NUTS WITH LUBE FITTINGS; apply grease (MIL-G-4343) to the threads of the gland nut (22) .
S 622-245 (10) GLAND NUTS WITHOUT LUBE FITTINGS; apply Compound to the threads of the gland nut (22).
S 842-060 (11) Move the gland nut and the scraper up the inner cylinder to the correct position.
S 432-061 (12) Use a spanner wrench to tighten the gland nut.
S 432-247 (13) Tighten the gland nut to 140-165 pound-feet.
ú ú ú ú ú ú ú
ú ú S 032-248 (14) If it is necessary, loosen the gland nut to align the slot with the lock key.S 222-261(15) Measure the distance that the lower surface of the gland nut (22)extends below the lower surface of the outer cylinder(Fig. 201, Detail A).NOTE: The distance measured must be equal to the distance____recorded prior to gland nut removal, within +0.02 inch.
S 432-062 (16) Install the lock key for the gland nut.
S 432-063 (17) Install the upper and lower attach pins for the torsion link (AMM 32-11-16/401).
S 582-064 (18) Lower the airplane but leave the jacks in place (AMM 07-11-01/201).
S 432-065 (19) Connect the hydraulic lines and the electrical lines to the brackets on the side of the truck beam.
S 432-066 (20) Connect the brackets that hold the disconnects for the hydraulic lines.
32-11-25
ALL ú ú 01.1 Page 233 ú Sep 28/02
A
757
MAINTENANCE MANUAL
S 432-067
(21)
Connect the head end of the truck positioner actuator to the inner cylinder (AMM 32-32-15/401).
S 612-068
(22)
Do the servicing of the shock strut (AMM 12-15-01/301).
S 722-254
(23)
Do an Antiskid Transducer Spin Up test (AMM 32-42-00/501).
NOTE: This test will check the electrical and hydraulic connections
____
to the truck.
S 092-069
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.
中国航空网 www.aero.cn
航空翻译 www.aviation.cn
本文链接地址：757 AMM 飞机维护手册 起落架 CHAPTER 32 - LANDING GEAR 1(136)
