TM 10-4610-310-14
0119 00
CYLINDER HEAD REMOVAL CONTINUED
4. Discard Head gasket (9) and O-ring (11).
5. Slide intake valve (8) and exhaust valve (12) out of the cylinder head. Do not mix them.
6. Remove cotter assembly (2) from the intake valve.
WARNING
The valve spring assemblies are under high-pressure. Use caution when removing them.
Failure to observe this warning can result in serious injures.
7.
Compress spring (4) using spring compressing tool and carefully remove spring retainer (11).
8.
Carefully remove the spring (4).
9.
Remove stem seal (5) and washer (6).
10.
Repeat steps 5 8 for the exhaust valve.
CLEANING AND INSPECTION
1. Remove carbon deposits from cylinder head and valves. Use care not to damage the gasket and O-ring
mating surfaces.
2. Remove all old gasket material from the cylinder head.
3. Check the valve stems for excessive or uneven wear. Replace if necessary.
4. Measure the outer diameter of the valve stems replace if less than 0.21 inch (5.40 mm). See Figure 2.
Figure 2. Valve Stem Measurement.