TM-9-2320-366-34-4

M1083 SERIES, 5 TON, 6x6, MEDIUM TACTICAL VEHICLES (MTV)

TECHNICAL MANUAL; MAINTENANCE INSTRUCTIONS; DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE; VOLUME NO. 4 OF 4

AUGUST 2005

CHANGE 2

TM-9-2320-366-34-4 - Page 230 of 796

TM 9-2320-366-34-4

20-6. PISTON AND CONNECTING ROD ASSEMBLY REPLACEMENT/REPAIR (CONT)

NOTE

Oil control ring is to be installed over the

spring with the end gap joint 180-degrees

from oil ring spring.

(5) Install oil control ring (7) in bottom groove of piston

crown (3).

(6) Install No. 2 ring (8) in middle groove of piston crown (3)

with marking "UP-2" toward top of piston.

(7) Install No. 1 ring (9) in top groove of piston crown (3)

with marking "UP-1" toward top of piston.

(8) Rotate three piston rings (7, 8, and 9) until end gaps are

120-degrees apart.

(9) Install two connecting rod cap bolts (10) in connecting

rod (5).

e. Installation.

CAUTION

Do not lubricate back side of connecting rod

bearings.

Failure to comply may result in

damage to equipment.

NOTE

Lubricate all parts with engine oil prior to

installation.

(1) Lubricate each cylinder bore (1) of cylinder block (2).

20-48