Operating Instructions and Parts Manual
24 Terex T25I and T45I Super Quiet Generator
June 2006
REV A
TROUBLESHOOTING (Cont.)
FAULT POSSIBLE CAUSE SOLUTION
Low Speed Defective injectors on engine Have injectors checked by a
qualified technician
“Surging” engine speed Check engine fuel, oil,
and air filters
Engine turns over (cranks), Unit out of fuel Check fuel level in tank, fill as
but won’t run needed
Loose or broken wire in Check wiring to verify 12V DC
control circuit fuel injection is being supplied to the pump
pump solenoid solenoid
Defective solenoid Replace solenoid
Magnetic Pick-up Adjust for 2.5-3.0 VAC
Clogged fuel system Check fuel system
Air in fuel system “Bleed” fuel system
Defective fuel pump Check and replace if defective
Clogged air intake Check air cleaner
Clogged exhaust Check exhaust system
Contaminated fuel Check fuel/water separator and
tank for contamination
Defective injectors Have injection system checked
by a trained technician
Lost engine compression Have compression checked by
a trained technician
Engine won’t crank Loose battery cable Check cables and battery
or discharged battery electrolyte level. Recharge
as necessary
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