TM 10-4320-310-14
5-10.
INSPECT/REPLACE CYLINDER HEAD AND VALVE ASSEMBLY (Continued)
DISASSEMBLY:
Do not scratch the cylinder head sealing face.
Scratches
could
cause
poor
sealing
of
cylinder head and cylinder.
1
Press down cup (1) and remove collet halves (2) from
both valves.
2
Remove valve spring (3), washer (4) and cap (5)
from both valves.
3
Remove valve (6) from cylinder head (7).
4
Remove hexagon nut (1) from threaded stud (2).
Remove threaded stud.
5
Use needlenose pliers to remove pin (3) with ten
spring plates (4) and preformed packing (5) attached.
6
Remove and discard preformed packing (5).
7
Knock out pin (6) and remove decompression shaft
(7) and pinion (8) from cylinder head (9).
5-19