TM 10-4930-204-13
Table 4-2. Organizational Troubleshooting (Cont)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
2. ENGINE MISSES, OPERATES ERRATICALLY, OR LOSES POWER
(Cont)
Step 6.
Check for excessive carbon accumulation at cylinder
head and top of pistons.
Clean cylinder head and tops of pistons (para. 4-24 1).
—
Step 7.
Check for loose cylinder head or defective cylinder
head gasket.
Tighten cylinder header replace defective gasket
(para. 4-24 1 ).
3. ENGINE OVERHEATS OR KNOCKS.
Step 1.
Check for excessive carbon deposits.
Clean pistons and cylinder head (para. 4-24 1 ).
Step 2.
Check engine for excessive dirt.
Drycleaning solvent normally has a flash point
of either 100 or 138 degrees F, depending on
the type being used, but may flash at much lower
temperatures if contaminated with gasoline or
jet fuel. Avoid repeated and prolonged skin con-
tact. Do not use near open flame or excessive
heat.
Clean engine cylinder radiation fins with drycleaning
solvent and dry thoroughly.
4-15
