TM 5-3805-280-24-2
Cylinder Head and Valves
05
2. Measure valve stem OD. Record measurements and
30
compare with valve guide ID. (See MEASURE VALVE
GUIDES later in this group.)
Intake Valve Stem--Specification
OD ................................................................................. 7.864--7.884 mm
(0.3096--0.3104 in.)
Exhaust Valve Stem--Specification
OD ................................................................................. 7.848--7.874 mm
(0.3090--0.3100 in.)
RG,05,DT7362 1911NOV972/3
3. Using a valve inspection center, determine if valves are
out of round, bent, or warped.
Valve Face Runout--Specification
Maximum Valve Face Runout ................................ 0.038 mm (0.0015 in.)
(Intake and Exhaust)
RG,05,DT7362 1911NOV973/3
GRIND VALVES
IMPORTANT: DO NOT nick valve head-to-stem radius
when grinding valves. A nick could
cause the valve to break. Break all
sharp edges after grinding.
Reface serviceable valves to specified angle (A).
Valves--Specification
Face Angle ........................................................................... 29.25 0.25
A--Valve Face Angle
RG,05,DT7361 1911NOV971/1
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