TM 5-4320-306-10
Table 3-1. Operator/Crew Troubleshooting - Continued
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
2. ENGINE CRANKS BUT FAILS TO START
WARNING
Death or serious injury could occur if diesel fuel oil is not handled carefully. Use in a well-
ventilated area away from open flame, arcing equipment, ignition sources, heaters, or excessive
heat. Be certain that fuel lines and connections are secure. Do not inhale vapor. Do not overfill
fuel tank. Engines must be turned off and cooled before refueling. Use proper refueling
procedures and equipment to avoid spillage. Do not run engines near open fuel containers. DO
NOT SMOKE.
Step 1. Check for insufficient fuel supply.
Refill low tank. Perform the checks and services of table 2-2, item 19. If tank is empty, notify
organizational maintenance.
Step 2. Check starting procedures for prevailing conditions.
If procedures have been performed as described, notify organizational maintenance.
Step 3. Check for malfunctioning engine shutdown valve.
Perform the checks and services of table 2-2, Item 24.
Step 4. Check for loose connections or restricted or damaged fuel lines.
Perform the checks and services of table 2-2, item 20. Report damaged lines or loose connections
to organizational maintenance.
Step 5. Inspect water separator for water in collection bowl.
Perform the checks and services of table 2-2, item 39.
Step 6. Inspect for leakage around the fuel filter gasket.
Hand tighten leaking filter. If filter continues to leak, notify organizational maintenance.
Step 7. Check engine air cleaner restriction indicator.
If indicator shows red and no damage to system components is found, replace primary and
secondary elements (para 3-8).
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