Terex T12009-000101, Service Manual

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Section 4 • Troubleshooting September 2008
4 - 6 T70, T90 & T120 Super Quiet Generator Part No. 134277
IF YOU FEEL AN ELECTRIC SHOCK AT ANY TIME WHILE OPERATING THIS UNIT, SHUT IT DOWN
IMMEDIATELY! HAVE THE UNIT INSPECTED BY A TRAINED ELECTRICIAN.
THIS ENGINE/GENERATOR SET IS FACTORY INSTALLED, TESTED, AND SET FOR FIELD
OPERATION. ANY DAMAGE TO THE ENGINE OR GENERATOR UNITS OCCURRING AFTER
ADJUSTMENTS ARE MADE IN THE FIELD BY UNAUTHORIZED PERSONNEL WILL NOT BE
COVERED BY YOUR MANUFACTURER’S WARRANTY AND WILL ALSO VOID THE
MANUFACTURER’S WARRANTY ON THIS PARTICULAR UNIT. IF YOU CAN NOT REACH YOUR
LOCAL DEALER, CONTACT THE FACTORY SERVICE MANAGER TOLL FREE AT 1-800-433-3026.
TROUBLESHOOTING
FAULT POSSIBLE CAUSE SOLUTION
Engine shuts down Overloaded engine Reduce load
automatically and
TROUBLE LIGHT on Broken fan belt Inspect fan belt and replace as
CONTROL PANEL needed
is illuminated
Defective thermostat or Inspect thermostat
thermocouple switch switch
Defective water pump Inspect water pump and replace
if needed
Blocked cooling air inlet Inspect and remove any
or exhaust obstructions
Defective or grounded Inspect switch and repair or
temperature switch replace
Defective injectors or Have the engine inspected by a
injector pump trained service technician
Defective oil pump Have the engine inspected by
a trained service technician
Defective or grounded oil Inspect switch and repair or
pressure switch replace