TM 9-2320-289-34
3-24. VALVE INSTALLATION (Con’t).
WARNING
Always wear goggles while using valve spring compressor. Valve springs
(5) are tightly compressed. Failure to follow this warning may result in
serious injury to personnel.
NOTE
Components of exhaust valve (2) assemblies and intake valve (1)
assemblies are similar, except that exhaust valve uses rotater (1 O) and
intake valve uses cap (1 O).
2.
Install rotator (1 O) or cap (1 O). Compress valve spring (5). Install new oil seal (8) in lower
groove on valve (11) stem. Install 2 keys (9) in grooves in valve stem. Ensure that keys are
properly seated, then release valve spring.
3.
Ensure that height from top of valve spring shim (4) to top of valve spring (5) is no more than
1.81 in. (46 mm). If height is more than 1.81 in. (46 mm), remove valve assembly (see
paragraph 3-8), repeat INSTALLATION, steps 1 and 2 using second valve spring shim, and
measure clearance again.
FOLLOW-ON TASKS:
l Install cylinder head. (See paragraph 3-25)
TA50684
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