TM 5-4930-244-14
b.
Repair.
(1)
Clean the air cylinder and inspect it for a smooth interior.
(2)
Clean all parts which have been removed.
(3)
Repair is limited to defective components.
(4)
Replace all parts that have a replacement part in the kit.
c.
Assembly.
NOTE
Lubricate all packings, o-rings and sealing rings with SAE No. 10 oil or lubricant
supplied in repair kit.
(1)
Install adapter (35) through washer (36), piston packing (37), washer (38) and washer (39).
(2)
Install new o-ring (44) into adapter (35).
NOTE
Ensure that piston packing is installed with the surface marked "Top Side" facing
up.
CAUTION
Washers (36 and 38) must be installed in order as shown or leakage will occur.
Washer (36) is thicker than washer (38).
(3)
Position three spacers (33) under seal plate (34). Install lower part of three spacers (33) through washer (36),
piston packing (37), washer (38) and washer (39).
(4)
Install three aluminum gaskets (31) and three screws (32) through three spacers (33). Install three plastic stop
nuts (30) onto three screws (32). Torque the three plastic stop nuts (30) to 2327 inch-lbs.
(5)
Install spring (40), spacer (41), washer (42) and copper crush gasket (43) onto adapter (35).
NOTE
DO NOT distort spacer.
(6)
Tighten adapter (35) into piston assembly (11) until it seats against copper crush gasket (43). Torque adapter to
20 ft. lbs.
(7)
Lubricate the bore of air cylinder assembly (24) and piston packing (37) with all its attached parts with SAE No.
10 oil or lubricant supplied in repair kit.
(8)
Insert v-block packing (28), so that it faces the top of the air cylinder assembly (24) and back-up washer (29) into
adapter assembly (26).
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