TM 5-4310-354-14
Table 4-2. Organizational Troubleshooting - Continued
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
ENGINE - continued
7. ENGINE OVERHEATING - continued.
Step 5. Inspect engine water temperature gauge for proper operation.
Replace a defective temperature gauge (para 4-64).
Step 6. Any other cause.
Notify Direct Support or General Support Maintenance.
8. ENGINE HAS LOW FUEL PRESSURE.
Step 1. Check for damaged fuel lines, hoses, and fittings.
Refer to para 4-31 for maintenance.
Step 2. Check for a damaged fuel pressure gauge.
Replace a defective fuel pressure gauge (para 4-59).
Step 3. Check for worn or damaged fuel transfer pump.
Replace a defective fuel transfer pump (para 4-43).
Step 4. Any other cause.
Notify Direct Support or General Support Maintenance.
9. ENGINE EXHAUST EXCESSIVELY BLACK.
Step 1. Check engine air cleaner restriction indicator for a restricted air flow.
Service the engine air cleaner (figure 4-6).
Step 2. Check for restriction in engine air intake system, other than air cleaner.
Remove any restriction or refer to para 4-46 for intake manifold maintenance.
Step 3. Check for restriction in exhaust system.
Remove any obstruction or refer to para 4-47 for exhaust manifold maintenance.
Step 4. Check engine for overheating.
Refer to Malfunction number 7 and corrective action thereunder.
Step 5. Check for defective fuel injection nozzles .
Replace defective fuel injection nozzles (para 4-42).
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