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 TM 9-2815-226-34-1
Table 2-1. TROUBLESHOOTING PROCEDURES (Cont)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
20.
LUBRICATING OIL DILUTION.
Step 1.
Check for blown or leaking head gasket(s).
a. Retorque head bolts (table 3-3).
b. Replace defective gasket(s) (para 3-6 and 3-94).
Step 2.
Check for clogged breather tube and breather assembly.
Clean tube and breather assembly (TM 9-2320-281-20).
Step 3.
Check for cracked injector body or cups.
Replace injector (para 3-6 and 3-94).
Step 4.
Check for defective injector O-rings.
Replace O-rings (para 3-73).
Step 5.
Check for internal fuel leaks.
Disassemble heads and repair as necessary (para 3-30).
Step 6.
Check for defective liner O-rings and crevice seals.
Replace defective O-rings and crevice seals (para 3-6 and 3-94).
21.
COOLANT TEMPERATURE TOO LOW.
Step 1.
Check for defective thermostat.
Replace defective thermostat (TM 9-2320-281-20).
Step 2.
Check for deteriorated thermostat seal lip.
Replace seal (TM 9-2320-281-20).
2-20
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