A Series Diesel Engine Troubleshooting Logic 14
Engine Will Not Crank or Cranks Slowly
Cause Correction
Starting Motor Operating But Not
Cranking the Engine
Remove the Starting Motor and Check for
Broken Teeth on the Flywheel or Broken
Starting Motor Spring. Refer to Page 138
OK
Crankshaft Rotation Restricted
Bar the Engine to Check for Rotational
Resistance. Refer to Page 138
OK
Starting Circuit Connections Loose
Or Corroded
Clean and Tighten Connections.
Refer to Page 137
OK
Battery Charge Low
Check Battery Voltage.
Refer to Page 137
OK
No Voltage to Starter Solenoid
Check Voltage to Solenoid.
Refer to Page 137
OK
Solenoid or Starting Motor
Malfunction
Replace Starting Motor.
Refer to Page 144
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