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TM 10-4320-316-14
Table 4-3. Unit Troubleshooting. - Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
If fuel injection pump is not defective, proceed to step 4.
Step 4. Check for clogged exhaust silencer.
If very little air is flowing from engine exhaust, check exhaust silencer per para.
4-32. Replace defective exhaust silencer.
If exhaust silencer is not defective, notify Direct Support Maintenance.
4. LACK OF POWER.
Refer to Malfunction 3, steps 1, 2, 3, and 4.
5. ENGINE STOPS RUNNING.
Refer to Malfunction 2, steps 1, 2, 3, and 4.
6. PUMP DOES NOT PUMP WATER.
Step 1. Check for broken or misadjusted peeler.
Check peeler for adjustment per para. 4-26.
If peeler is not broken or out of adjustment, proceed to step 2.
Step 2. Check for improper impeller clearance.
Check impeller clearance per para. 4-26.
If impeller clearance is correct, proceed to step 3.
Step 3. Check for damaged pump components or broken pump body.
Replace any damaged pump components per para. 4-26.
If pump body is broken, replace pump unit per para. 4-26.
7. EXCESSIVE LUBRICATION OIL CONSUMPTION.
Inspect engine crankcase for leaks.
Tighten oil drain plug or oil filler cap.
If oil drain plug and oil filler cap are tight, notify Direct Support Maintenance.
4-13
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