Fuel System
3732 690 03 Rev. I KohlerEngines.com
11. With engine running, check voltage at bimetallic
spring choke bracket assembly. Using a DVOM,
attach black lead of meter to ground screw on
assembly bracket, and red lead of meter to red wire
w/black tracer.
12. Select DC VOLTS on your meter. You should see a
minimum of 12 volts DC.
If no voltage is present, test for voltage at oil
pressure switch.
If voltage is present at power in terminal but not at
power out terminal when engine is running, pressure
switch is potentially faulty. Remove switch and install
a pressure test gauge and start engine. Consult
troubleshooting section of this manual for oil
pressure testing instructions. If adequate pressure is
found, replace pressure switch and confi rm
operation/voltage readings.
13. If linkage is free and choke plate fails to open fully
after 2 minutes, check spring tension of bimetallic
assembly. If necessary, replace bimetallic spring
choke bracket assembly.
14. Reinstall air cleaner element and secure cover.
Thermostat
Different styles of thermostats are used. Identify style
on engine and follow appropriate procedure to reset or
install.
Thermostat Identifi cation
B
A
A Adjustable Thermostat
B Dual Position Thermostat
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