TM 10-4610-229-24
3-12. VALVE REPLACEMENT/REPAIR
4
Remove valve and seat from bottom of cylinder head.
b.
Repair
1
Check valve stems for bending, pitting, and wear. Replace as required. If valves are mildly pitted, they
may be refaced.
2
Using valve grinder, reface valves to a 450 face angle.
c.
Installation
1
Install seat and valve in bottom of cylinder head.
2
Install spring seat, spring and spring retainer.
3
Using valve removal tool, compress valve spring. Install valve cone halves. Remove valve removal tool.
4
Install cylinder head (para 3-11).
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