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EVAPORATIVE EMISSION COMPLIANT SYSTEM
Carbon Canister System
A
A
Fuel Tank Cap
Canister Breather
E
Filter
For engine to be Tier III compliant, it may be fi tted with a Kohler supplied canister vapor recovery system, or a system
developed and installed by Original Equipment Manufacturer (OEM). Details on Kohler system are included below.
Operation
Fuel vapors travel from fuel tank through tubing to
carbon canister. On intake stroke of engine fuel vapors
are drawn in through a port in carburetor and burned
with fuel charge.
16 690 01 Rev. --
B
B
Fuel Tank
F
To Carburetor
KohlerEngines.com
Emission Compliant Systems
D
C
Roll Over Valve
C
(ROV)
Maintenance
On Kohler-supplied canisters, breather fi lter can be
removed and cleaned with hot soapy water, dried and
reinstalled. Do not oil breather screen. This is done
periodically or if system operation is suspect. Carbon
canister is sealed and requires no maintenance.
In some applications or installations, OEM will have
installed a different canister or fuel vapor recovery
system. See OEM equipment documentation for service
or maintenance information.
E
F
D
Carbon Canister
45
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