Test or Inspection
Fuel is very flammable and can explode easily. To avoid serious injury or death, keep fuel away
from open fire and keep fire extinguisher within easy reach when working with fuel. Do not work
on fuel system when engine is hot. Fuel can be ignited by hot engine. When working with fuel,
post signs that read NO SMOKING WITHIN 50 FEET (15.24 m) of vehicle.
ENGINE WILL NOT START, OR STALLS.
Step 1. Check fuel level in tank and if fuel shutoff valve is open.
If tank is empty, check for damage.
If tank is damaged, replace (para 4-40).
If no damage, add fuel and bleed air from system (para 4-36).
Step 2. Check fuel lines for loose connections and fittings.
Tighten loose connections and fittings.
Step 3. Inspect for damaged fuel lines.
Replace damaged fuel lines (para 4-42 thru 4-46).
Step 4. Check fuel filter for damage. Replace quarterly or every 300 hours of operation.
Replace filter if damaged (para 4-48).
Step 5. If engine does not start, notify your supervisor.
FUEL LEVEL GAGE DOES NOT REGISTER, OR REGISTERS INACCURATELY.
Step 1. Check fuel level in tank.
Fill tank if necessary (para 3-8).
Step 2. Inspect fuel gage and sending unit.
Replace component that is malfunctioning (para 4-63 or 4-72).