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 253 of 968

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

FRAME 22

1.

2.

3.

Put each

NOTE

Two sizes of intake valve seat inserts (1) are, used in

these cylinder heads (2).

Standard size intake valve

seat inserts go in standard size intake valve seat counter-

bores (3).

For

0.0100-inch

oversize

intake

valve

seat

counterbores, use 0.0100-inch

inserts.

intake valve seat insert (1) in

oversize intake valve seat

dry ice for four hours so it will shrink.

NOTE

Intake valve seat insert (1) must be put in intake valve

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

ice.

If intake valve seat insert is left out of ice too long,

it will get bigger and will not fit.

Using soft-faced hammer and valve seat replacing tool, put intake valve seat

insert (1) into its intake valve seat counterbore (3) with beveled edge facing

out. Tag new intake valve seat inserts for lapping by machine shop.

NOTE

If no exhaust valve seat inserts (4) were taken out, do step 3.

Send cylinder head (2) to machine shop along with intake valves that seat

against new intake valve seat inserts (1).

Tell machine shop to lap new intake

valve seats to valves that seat against them.

GO TO FRAME 23

4-234