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TM 10-4320-324-14
Table 5-1. Troubleshooting - CONT.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
ENGINE ASSEMBLY (CONT)
3.
ENGINE PERFORMANCE IS POOR.
Check for broken valve spring.
Refer to paragraph 5-17 and replace engine.
4.
EXHAUST SMOKE IS WHITE AND EXCESSIVE.
Check for inefficient compression due to sticking or broken compression rings or incorrect valve clearance.
Refer to paragraph 5-17 and replace engine.
5.
LOW ENGINE OIL PRESSURE.
Check for excessive play on main bearing.
Refer to paragraph 5-17 and replace engine.
6.
AMMETER READING TOO LOW.
Check for defective alternator, causing insufficient charging of the batteries.
Refer to paragraph 5-8 and repair alternator.
7.
ENGINE OVERHEATS.
Check condition and operation of cooling fan.
Refer to paragraph 5-20 and repair or replace cooling fan.
PUMP ASSEMBLY
1.
NO SUCTION OR DISCHARGE PRESSURE.
Inspect for faulty seal or pump gasket.
Refer to paragraph 5-24 and replace seal.
5-4
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