DISASSEMBLY - TM-10-3930-638-24-P0822

TM 10-3930-638-24&P

4-2. ENGINE MAINTENANCE (cont)

f. Pistons and Connecting Rods (cont).

REMARKS

ACTION

ITEM

LOCATION

STEP

DISASSEMBLY

CAUTION

Use piston ring expander to remove rings to avoid damaging pis-

ton and ring.

Remove and

Use piston ring expander

a. Top piston ring (5)

Piston (4)

discard

Remove and

b. Second piston ring (6)

discard

c. Piston ring (7)

Remove and

discard

d. Two retaining

Remove

Use needle nose pliers

rings (8)

e. Piston pin (9)

Remove and

set aside

f. Connecting rod (3)

Remove and

set aside

CLEANING

WARNING

Dry cleaning solvent (P-D-680), used to clean parts is toxic and

flammable. Wear protective goggles and gloves and use only in a

well ventilated area. Avoid contact with skin, eyes, and clothes

and don't breathe vapors. Do not use near open flame or exces-

sive heat and don't smoke when using it. Failure to do so could

cause serious injury. lf you become dizzy while using cleaning

solvent, get fresh air immediately, and get medical attention. If

contact with skin or clothes is made, flush with large amounts of

water. If contact with eyes is made, wash eyes with water immed-

iately, and obtain medical aid immediately.

4-44