T.O. 35C2-3-442-2
P-9-TM-457-35
TM 5-6115-457-34
TM-07464A-35
Table 2-3. Troubleshooting (Continued)
PROBABLE CAUSE
CORRECTIVE ACTION
MALFUNCTION
a. Replace keepers
a. Broken valve keepers.
53. Engine valve roto-
coil or spring
retainer free.
b. Replace valve spring
b. Broken valve spring.
c. Defective valve.
c. Replace valve
a. Repair cylinder head
a. Excessive valve guide
54. Excessive engine
wear.
blow-by.
b. Check rocker arm shaft
b. Excessive lubricating
end plugs for proper
oil in valve compart-
installation
ment.
c. Replace piston rings
c. Worn piston rings
and/or liners.
a. Defective cylinder
a. Replace gasket
55. Coolant in engine
head gasket.
lubricating oil.
b. Defective cylinder
b. Replace head
head.
c. Replace chamber
chamber.
d. Replace block
d. Defective cylinder
block.
e. Defective oil cooler.
e. Repair or replace oil
2-50