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 TM 9-2815-226-34-1
Table 2-1. TROUBLESHOOTING PROCEDURES (Cont)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
18.
EXCESSIVE OIL CONSUMPTION.
Step 1.
Check for external oil leaks.
Tighten all connectors.
Step 2.
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 3.
Check for broken or worn piston rings.
Replace defective piston rings (para 3-6).
Step 4.
Check for worn or scored liners and pistons.
Replace defective liners or pistons (para 3-6).
19.
CRANKCASE SLUDGE.
Step 1.
Check for dirty oil filter.
Replace oil filter (TM 9-2320-281-20).
Step 2.
Check for defective thermostat (coolant temperature too low).
Replace defective the rmostat (TM 9-2320-281-20).
Step 3.
Check for internal water leaks.
Disassemble engine and repair as necessary (para 3-6 and 3-94).
2-19
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