TM 10-4610-229-24
3-35.
VALVE REPLACEMENT/REPAIR (CONT)
a.
Removal
1
Install valve removal tool on cylinder head.
2
Press valve remover handle down, compressing valve spring. Remove valve cone halves, valve
removal tool, spring retainer, spring, and spring seat.
3
Remove valve from bottom of cylinder head.
4
Inspect valve and spring seat for damage. Repair or replace as required.
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 45° face angle.
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