TM 10-4320-310-14
Table 4-2. Unit Maintenance Troubleshooting (Continued)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Death or serious injury could occur It fuel is not handled
carefully. Use in a well-ventilated area away from open flame,
arcing equipment, Ignition sources, heaters, or excessive
heat. Always store fuel In properly marked containers. DO
NOT SMOKE.
a.
Disconnect hose (1) from double ring piece (2) at fuel tank (3). Turn engine with crank handle (4).
b.
If fuel does not flow from hose (1), remove non-return valve (5). Check valve by shaking for free
movement of internal valve ball.
c.
If necessary, clean with fuel. If unserviceable, replace non-return valve (5) (para 4-17).
Step 3.
Check that fuel flows through fuel system components (fuel tank, fuel lift pump, fuel filter and fuel lines)
as engine is cranked by disconnecting component outlet hose(s).
Replace defective component.
Fuel tank - Refer to paragraph 4-19.
Fuel lift pump - Refer to paragraph 4-18.
Fuel filter - Refer to paragraph 4-17.
Fuel lines - Refer to paragraph 4-17.
Step 4.
Notify direct support maintenance.
4-8
