FRAME 10 - TM-9-2815-210-34-2-20240

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

FRAME

NOTE

D o this frame only if cylinder head (2) was tagged for

r e s u r f a c i n g or if any intake valve seat (1) was tagged

t o be machined.

D o step 1 only if cylinder head (2) was tagged for

resurfacing.

If cylinder head was not tagged, do

s t e p s 2 through 5.

U s i n g engine valve seat knockout tool, take out all intake valve seats (1)

n o t tagged to be machined. Tag each intake valve seat taken out "front

i n t a k e , " "center intake," or "rear intake," so it can be put back in the

s a m e place. Do not take out intake valve seats tagged to be machined.

NOTE

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

e n g i n e s . Cylinder head (2) can use a combination of

s t a n d a r d and 0.100-inch oversize intake valve seats.

M e a s u r e inside diameter of intake valve seat counterbore (3) for each intake

v a l v e seat (1) taken out.

I f diameter of intake valve seat counterbore (3) is 2.0580 to 2.0595 inches,

t h i s is standard size intake valve seat counterbore. If diameter is 2.0680 to

2 . 0 6 9 5 inches, this is 0.0100-inch oversize intake valve seat counterbore.

I f diameter is more than 2.0695 inches, get a new cylinder head (2).

I f inside diameter of intake valve seat counterbore is more than 2.0595 inches

b u t less than 2.0680 inches, tag this intake valve seat counterbore to be

machined to 0.100-inch oversize by machine shop.

C h e c k that intake valve seat counterbore (3) is not damaged. If 0.0100-inch

o v e r s i z e intake seat counterbore is damaged, get a new cylinder head (2).

I f a standard size intake valve seat counterbore is damaged, tag it to be

m a c h i n e d to 0.100-inch oversize by machine shop.

GO TO FRAME 11

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