Kohler 4EOZ - Controller Troubleshooting

TP-6137 5/03 41Section 8 Controller Troubleshooting
Section 8 Controller Troubleshooting
K1 relay protects the
starter motor in the
event of an improper
engine start.
Starter motor
K2 relay energizes
the fuel pump (FP)
and the fuel solenoid
(FS).
Engine battery
charger regulator.
The generator set
starts. The starting
cycle is completed.
The low oil pressure
switch (LOP) contacts
open.
The generator
set starts.
The electric fuel
pump (FP) refills the
fuel supply line.
If the fuel solenoid
(FS) is energized, fuel
flows to the injection
pump.
Figure 8-1 Generator Set Starting Cycle