TM-9-2815-210-34-2-2

ENGINE ASSEMBLY, DIESEL (MULTIFUEL): NATURALLY ASPIRATED OR TURBOCHARGED, FUEL-INJECTED, WATER-COOLED, 6-CYLINDER

TECHNICAL MANUAL; TROUBLESHOOTING; DIRECT SUPPORT AND GENERAL SUPPORT LEVEL; VOLUME 2 OF 2; PART 2 OF 2

APRIL 1981

TM-9-2815-210-34-2-2 - Page 256 of 968

TM 9-2815-210-34-2-2

1.

2.

3.

Put each

shrink.

NOTE

Two sizes of exhaust valve seat inserts (1) are used

in these cylinder heads (2). Standard size exhaust

valves seat inserts go in standard size exhaust valve

seat counterbores (3).

For

0.0100-inch

oversize

exhaust valve seat centerbores, use 0.0100-inch

oversize exhaust valve seat inserts.

exhaust valve seat insert (1) in dry ice for four hours so it will

NOTE

Exhaust valve seat insert (1) must be put in its exhaust

valve seat counterbore (3) right after it is taken out of

dry ice.

If exhaust valve seat insert is left out too

long, it will get bigger and will not fit.

Put exhaust valve seat insert (1) in place on its exhaust valve seat counter-

bore (3), beveled edge facing out.

Using soft-faced hammer and exhaust

valve seat replacer, put new exhaust valve seat insert into its exhaust

valve seat counterbore.

Tag new exhaust valve seat inserts for lapping by

machine shop,

Send cylinder head (2) to machine shop along with intake and exhaust valves

which seat against new intake and exhaust valve seat inserts.

Tell machine

shop to lap new intake and exhaust valve seats to the valves that seat

against them.

END OF TASK

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FRAME 24