Table 4-48. Intake Valve Seat Inserts and Counterbores Wear Limits

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

Table 4-48. Intake Valve Seat Inserts and Counterbores Wear Limits

Size and Fit

Index

of New Parts

Wear Limit

Number

Item /Point of Measurement

(inches)

I n t a k e valve seat counterbore

i n s i d e diameter

S t a n d a r d size

2.0580 to 2.0590

2.0595

0.0100-inch

oversize

2 . 0 6 8 0 to 2.0690

2.0695

I n t a k e valve seat insert

o u t s i d e diameter

S t a n d a r d size

2 . 0 6 1 5 to 2.0625

None

0.0100-inch

oversize

2.0715 to 2.0725

None

3and1

Fit of intake valve seat

i n s e r t in counterbore

0 . 0 0 2 5 T to 0.0045T

0.0020