Figure 11-5. Insert and counter bore dimensions.

TM 10-3930-630-34

A. O.D. OF INSERT

1.3485-1.3475 INCH

B. I.D. OF COUNTEBORE

1 3445-1.3435 INCH

PRESS FIT

0.003-0.005 INCH

TA067445

Figure 11-5. Insert and counterbore dimensions.

Intake valve angle is 30 degrees. Exhaust valve angle

(8) a piloted driver and press the insert in

is 45 degrees.

place as shown on figure 11-6.

(2) Refer to figure 11-7 for valve head

i. Grind valves and valve seats as follows:

thickness.

(1) Reface valves using a valve grinding tool.

Figure 11-6. Valve seat insert installation.

11-4