Troubleshooting — Engine CHAPTER 11 — TROUBLESHOOTING Engine Problem Engine does not turn over
Engine turns over but will not start
PRINTED IN U.S.A.
Possible Cause
Corrective Action
Drive direction switch in forward/ reverse
Place drive direction switch in neutral
Tripped circuit breaker
Reset circuit breaker
Blown fuse
Replace fuse
Dead battery
Charge or replace battery
Auxiliary hydraulics control lever not in neutral (Applies only to early machines equipped with auxiliary hydraulics control lever).
Place the auxiliary hydraulics control lever into the neutral position
Battery disconnect switch in the open position or malfunctioning
Place the battery disconnect switch into the closed position. Repair or replace if necessary
Engine cranking speed too slow
Check battery and charge/ replace as necessary; tighten battery terminals. Check that engine oil is at operating temperature. On early machines equipped with an auxiliary hydraulics control lever, make sure the lever is in the neutral position.
Fuel tank empty
Fill up the tank and vent the fuel system if necessary
Fuel filter plugged or restricted, paraffin separation in winter
Change the fuel filter; use winter grade diesel fuel
Fuel line leakage
Tighten all the threaded connections and clamps
Engine cranking speed too slow
Check battery and charge/ replace as necessary; tighten battery terminals
Glow plug module malfunction
Check connection and voltage; replace as necessary
Fuel shut-off solenoid not energizing
Check electrical connections/ voltage to shut-off solenoid
Fuel filter restricted
Replace filter
Fuel pump malfunction
Troubleshoot fuel pump. See engine service manual. Replace if necessary
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50940008/AP0311
