TM 10-3930-641-34-1
CYLINDER HEAD DISASSEMBLY/ASSEMBLY (CONT)
(Sheet 4 of 8)
LOCATION/ITEM
ACTION
REMARKS
6.
Valves (32) and (33) (cont)
b. Check stems and stem tips for pitting or
See Engine Specifications, page 2-69.
scratches.
c. Check that stem diameter is within
specifications.
NOTE
Measure valve stem in three different locations.
Measurement at top of stem (where valve does
not contact valve guide) will be closest to
specification for new valve.
d. Check valve heads for cracks, rounded
edges, burning, cupping or uneven wear.
e. Check that valve face and lip (margin) are
within serviceable limits.
f. If valve is unserviceable, replace it.
Go on to Sheet 5
3-234
