TM 5-4310-386-14
5-42. Engine Cylinders.
This task covers:
Replace
INITIAL SETUP
Tools
Equipment Condition
General Mechanic's Tool Kit
Compressor unit shut down (para. 2-13).
(NSN 5180-00-177-7033)
Cooler air blower removed (para. 5-31).
Piston Ring Squeezer (PN 0030430)
Cylinder head removed (para. 5-40).
Push rod tubes removed (para. 5-39).
Materials/Parts
Cylinder, Engine
Replace. (figure 5-63)
NOTE
Both cylinders must be removed in order to remove pistons.
(1)
Turn crankshaft. Cylinder (1) will lift out of crankcase when piston passes bottom dead center and starts to
rise.
NOTE
Do not knock piston against crankcase or connecting rod when removing cylinder.
(2)
Remove cylinder (1) from crankcase (2).
(3)
Remove seal (3) and shims (4) from cylinder (1).
(4)
Inspect wall of cylinder (1) for scratches and/or grooves. Replace cylinder (1) if excessively scratched or
grooved.
(5)
Apply grease to one 0.00787 inch ( 0.2 mm) shim (4) and place on bottom seating surface of cylinder (1).
(6)
Lubricate working face of cylinder (1).
(7)
Install cylinder (1) with cutouts facing push rods bores.
(8)
Remove piston ring squeezer.
FOLLOW-ON MAINTENANCE
(1)
Install push rod tube (para. 5-39).
(2)
Install and adjust cylinder head (para. 5-40).
(3)
Install cooler air blower (para. 5-32).
5-176
