Fuel System
3532 690 03 Rev. I KohlerEngines.com
Smart-Choke
™
Components
A
B
C
D
E
F
H
I
J
K
L
N
M
P
G
O
E
F
A Precleaner B Paper Element C Air Cleaner Base D Evap Hose
E
Smart-Choke
™
Bracket Assembly
F Thermostat G Solenoid Lead H Air Cleaner Gasket
I Control Assembly J Breather Hose K Stud L Intake Manifold
M
Choke Unloader
Linkage
N Ignition Module O Defl ector Support Tab P Air Vane Defl ector
Smart-Choke
™
An air vane defl ector assembly that operates by air from cooling fan opens choke partially when engine is running.
When engine is cold, a spring on air vane defl ector assembly, in conjunction with a bimetallic spring, holds choke
closed for starting. A bimetallic spring reacts to heat generated by electrical resistance as engine is running and
opens choke plate position. When engine is warm, bimetallic spring holds choke completely open, while engine
is running. Choke will be 2/3 closed when warm and not running. These two elements work together to operate a
smooth choke system that facilitates easy reliable starting.
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