TM 5-3810-307-24-2-2
Inspect the valve face for seat width and centering.
Valve Seat Width
Valve Seat Width
mm
in
1.5
MIN
0.059
2.0
MAX
0.079
Cylinder Head - Assembly (2-13)
NOTE
Clean all cylinder head components before
assembling.
Install the valve stem seals.
The intake and exhaust seals are the same.
Lubricate the stems with SAE 90W engine oil before
installing the valves.
Valve Spring Compressor
Compress the valve spring after assembling the spring
and retainer.