Service and Repairs

34
Governor System
KohlerEngines.com 17 690 01 Rev. L
Electronic Governor Troubleshooting Flow Chart Continued
Continued from
previous page.
• Disconnect connector between stepper motor and wiring harness.
• Perform resistance test between orange and pink wires and then from
yellow to blue wires. Resistance should measure at 25 Ohms ± 5.
If resistance value higher or infi nity Ohms?
If resistance value is OK?
Replace stepper motor and retest. See
page 39 for disassembly and reassembly
instructions.
OK?
YES
NO
END
Test control system of
equipment. Refer to
Equipment Manufacturer’s
diagnostic procedures for
control system.
Remove stepper motor and retest. See
page 39 for disassembly and reassembly
instructions.
Rotate carburetor throttle shaft to check for smooth and
consistent travel.
Does it catch or bind?
Replace carburetor
assembly and retest.
OK?
YES
Continued on
next page.
NO
YES
NO
END
Test control system
of equipment.
Refer to Equipment
Manufacturer’s
diagnostic
procedures for
control system.