Section 8 Controller Troubleshooting - Kohler 4EOZ Service

K1 relay protects the
starter motor in the
event of an improper
engine start.
Engine battery
charger regulator.
The generator set
starts. The starting
cycle is completed.
Figure 8-1 Generator Set Starting Cycle
TP-6137 5/03

Section 8 Controller Troubleshooting

The electric fuel
pump (FP) refills the
fuel supply line.
The low oil pressure
switch (LOP) contacts
open.
Starter motor
K2 relay energizes
the fuel pump (FP)
and the fuel solenoid
(FS).
If the fuel solenoid
(FS) is energized, fuel
flows to the injection
pump.
The generator
set starts.
Section 8 Controller Troubleshooting 41