ARMY TM 9-6115-464-12AIR FORCE TO 35C2-3-445-1NAVY NAVFAC P-8-624-12Table 4-2. Unit Troubleshooting - ContinuedMALFUNCTIONTEST OR INSPECTIONCORRECTIVE ACTION2. ENGINE CRANKS BUT FAILS TO START.Step 1.Step 2.Step 3.Step 4.Step 5.Step 6.Step 7.Step 8.Step 9.improper starting procedure.Perform starting procedure as outlined in para 2-6.Low or no fuel supply.Service fuel tank (para 4-1), or use auxillary fuel supply (para 4-3).Water in fuel, contaminated or incorrect grade of fuel.Drain entire fuel system. Service with clean fuel of proper grade (para 3-45).Service fuel filter (para 3-22).Drain day tank assembly (para 3-21).Drain fuel tank and service with clean fuel of proper grade (para 3-45).Air in fuel lines.Bleed fuel system (para 3-21, 3-22, 3-45).Tighten any loose fuel supply line connections (para 4-33).Obstruction in fuel supply line.Clean or replace fuel supply line (para 4-33).Defective day tank fuel level and low fuel cutoff switch.Replace switch (para 4-24).Defective fuel solenoid valve.Replace fuel solenoid valve (para 4-25).Clogged fuel strainers or filters.Service fuel strainers and filter assembly (para 3-22, 4-29).Service secondary fuel filter (para 3-39).Dirty air filter element.Service air cleaner assembly (para 4-52).Step 10. Speed switch not reset after overspeed shutdown.Depress reset button on back of overspeed switch (para 4-19).Step 11. Defective nozzle holder assembly.Replace nozzle holder assembly (para 4-32).4-9
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