Kohler 15CCO Service Manual page 58

Problem
Generator
set shuts
down by
itself
(continued)
High water temperature
Low oil pressure switch,
high engine temperature
Problem
Will not
carry load
or runs
rough
Governor not properly
adjusted or defective
(Engine not operating
4-6 General Troubleshooting
Possible Cause
No/low oil pressure
shutdown
switch
Possible Cause
Excessive load
connected to
generator
Improper cooling
(hot engine only)
at rated rpm)
Engine in need
of overhaul
Corrective Action
Check oil level, oil
pressure, and oil pump,
Check engine cooling
system
Disconnect lead from one switch and isolate
the lead from ground. If engine continues to run, replace
that switch.
NOTE: Verify proper pressure, or temperature
before replacing switch.
Corrective Action
Reduce electrical load
Inspect cooling system
Check speed using
tachometer or
frequency meter.
NOTE: For 60 Hz--1800 RPM
For 50 Hz--1500 RPM
Contact Kohler
distributor
Reference
Engine Service Manual
Engine Service Manual
Reference
Section 3. Wattage
Requirements
Section 3. Cooling System
Section 3. Governor
Engine Service
Distributor
TP-5606 6/02