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TM 5-4320-308-13
Table 3-2. Unit Maintenance Troubleshooting
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
1. ENGINE HARD TO CRANK
Step 1. Check for proper oil viscosity.
Refer to chart in paragraph 3-1.
2. ENGINE CRANKS BUT FAILS TO START
Step 1. Check that extra fuel button has been pulled out prior to starting.
Pull out extra fuel button and attempt to start engine (para 2-2.c.).
Step 2. Check window of air cleaner restriction indicator for red band indicating
blocked air cleaner.
If red band appears in window of air cleaner restriction indicator and
rain hood is not blocked and no damage to system components is found,
replace air filter (para 3-22).
Step 3. Check for empty fuel tank.
WARNING
Death or serious injury could occur if fuel is not handled carefully. Use in a well-ventilated area
away from open flame, arcing equipment, ignition sources, heaters, or excessive heat. Engines
must be turned off and cool before refueling. Use proper refueling procedures and equipment to
avoid spillage. Do not run engines near open fuel containers. Always store fuel in proper, marked
containers. DO NOT SMOKE.
If fuel tank is empty, fill with fuel.
3-25
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