FRAME 22 - TM-9-2815-210-34-2-20254

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

FRAME 22

NOTE

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

t h e s e c y l i n d e r h e a d s ( 2 ) . S t a n d a r d size intake valve

s e a t inserts go in standard size intake valve seat counter-

b o r e s ( 3 ) . For 0.0100-inch oversize intake valve seat

c o u n t e r b o r e s , use 0.0100-inch o v e r s i z e intake valve seat

inserts.

Put each i n t a k e valve seat insert (1) in d r y ice for four hours so it will shrink.

NOTE

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

s e a t counterbore (3) right after it is taken out of dry

i c e . If intake valve seat insert is left out of ice too long,

it will get bigger and will not fit.

U s i n g soft-faced hammer and valve seat replacing tool, put intake valve seat

i n s e r t (1) into its intake valve seat counterbore (3) with beveled edge facing

o u t . 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.

S e n d cylinder head (2) to machine shop along with intake valves that seat

a g a i n s t new intake valve seat inserts (1). Tell machine shop to lap new intake

v a l v e seats to valves that seat against them.

GO TO FRAME 23

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