TM 5-4320-302-14Table 4-2. Organizational Maintenance Troubleshooting - ContinuedMALFUNCTIONTEST OR INSPECTIONCORRECTIVE ACTIONStep 4. Be sure that fuel tank cap vent is in open position. A closed vent will cause avacuum in the fuel tank and not allow fuel to flow freely to the fuel feed pump.If vent is inclosed posi-tion, rotatecap vent toopen posi-tion.Step 5. Check alinementof 3-way selectorvalve.Aline 3-wayselector valveto openposition.Step 6. Check for empty fuel tank.WARNINGSevere burns, illness, or death may result ifpersonnel fail to handle diesel fuel oil prop-erly. Observe the following precautions:·Do not inhale vapor·Do not use near open flame, sparks, orexcessive heat.·Be certain fuel lines and connections aresecure.·Work in a well-ventilated area.If fuel tank is empty, fill with diesel fuel oil and bleed air from fuel system.4-34
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