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TM 10-3930-660-24-2
CYLINDER HEAD ASSEMBLY REPAIR - CONTINUED
0270 00
REPAIR - CONTINUED
NOTE
Grind service seats for a few seconds only, to avoid making them too wide.
29.
Grind service valve seats lightly to ensure proper seat
angle.
45
30
Seat Angle
Intake
30 degrees
INTAKE
45 degrees
409-4106
30.
Install valves in their designated locations and measure depth (I).
I
Limit
I Depth:
0.039 to 0.060 in. (0.099 to 1.524 mm)
409-874
31.
Apply a light coat of valve lapping compound to each valve and lap valve to its companion service seat.
32.
Remove valves from cylinder head and clean grinding compound from valves and service seats.
409-875
409-876
0270 00-12
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