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TM 5-4320-308-13
Table 3-2. Unit Maintenance Troubleshooting - Continued
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Step 4. Check non-return valve for proper function.
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. Always
store fuel in proper, marked containers. DO NOT SMOKE.
a.
Disconnect hose from double ring piece at fuel tank. Turn engine with starting handle.
b.
If fuel does not flow from hose, remove non-return valve. Check valve by shaking for free
movement of internal valve ball.
c.
If necessary, clean with fuel. If unserviceable, replace non-return valve (para 3-25).
Step 5. Check starting procedures under prevailing conditions. If starting procedures have been performed
correctly but engine still fails to start, notify intermediate maintenance.
3-26
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