TM 5-3895-370-14&P
5-64. CYLINDER HEAD ASSEMBLY REPAIR (CONT).
(11)
Measure seat angle of intake valve (position I).
Normal measurement is 30.
Measure seat angle of exhaust valve (position
E). Normal measurement is 45.
(12)
If measurements are greater than normal, grind
valve seat to correct angle. If measurements
are less than normal, replace with service valve
seat.
(13)
Measure valve stem at positions D, F, and G.
Normal measurement is between 0.3126 to
0.3142 in. (7.94 7.9807 mm). If above or below
normal measurement, replace valve.
(14)
Measure
valve
rim
at
position
H.
If
measurement is less than 0.031 in. (0.787 mm),
replace valve.
5-264
