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TM 9-2320-364-34-4
20-185
NOTE
Replace piston rings in sets only.
(18)
Coat piston crown (10) and piston skirt (3)
with lubricating oil.
Use care when installing piston
rings. Piston rings are under
tension and can act as projectiles
when released and could cause
severe eye injury.
NOTE
Position gaps 120 degrees
apart, around piston crown.
Lower piston ring is piston
ring without identification
marks.
(19)
Lubricate lower piston ring (2) with
lubricating oil.
(20)
Using piston ring remover and installer,
install lower piston ring (2) in piston
crown (10).
NOTE
Middle piston ring is piston ring without identification marks.
(21)
Lubricate middle piston ring (2) with lubricating oil.
(22)
Using piston ring remover and installer, install middle piston ring (2) in piston crown (10).
NOTE
Top piston ring is piston ring with two identification marks.
(23)
Lubricate upper piston ring (2) with lubricating oil.
(24)
Using piston ring remover and installer, install upper piston ring (2) in piston crown (10).
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