FUEL SYSTEM TROUBLESHOOTING

TM 9-2320-285-24-1

2-8.

ENGINE TROUBLESHOOTING (CONT)

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION

EXCESSIVE EXHAUST SMOKE (Cont)

Step 5.

Examine exhaust system for visible signs of oil leaking from exhaust system, and check maintenance

records for possible excessive oil consumption.

If exhaust system leaks oil, or records show high oil consumption, notify direct support maintenance

(refer to TM 9-2815-205-34 for troubleshooting of the engine and its components).

2-9.

FUEL SYSTEM TROUBLESHOOTING

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION

LOW FUEL PRESSURE

WARNING

Diesel fuel is highly combustible. Do not smoke or allow open flames or sparks into the area. Death or

severe injury may result if personnel fail to observe this precaution. If you are burned, obtain medical aid

immediately.

Step 1.

Check for fuel leaks at lines and fittings between fuel tank, primary fuel filter, and engine.

If leaks are observed, tighten fittings; if hoses are leaking, replace (para 2-13b(l)).

If leaks are not observed, go to step 2 below.

Step 2.

Check for fuel leaks at fittings and hoses between fuel filters and engine.

If leaks are observed, tighten fittings; if hoses are leaking, replace (para 2-13b(2)).

If leaks are not observed, go to step 3 below.

2-28