TM 10-3950-672-24-2
Grind the valve seats to remove scores, scratches and
burns.
Seat Angle
30 Degrees
Intake:
45 Degrees
Install the valves in their respective bores and measure
depth again.
Note: Make sure the seats are clean before you
measure the depth.
Record the depth of each valve as (B).
Calculate grinding depth (GD) as follows:
GD = (B) - (A)
5-252