Greensmaster 3300 Page 3 -- 5 Gasoline Engine
The functionofthe fuel evaporative controlsystem is to
collect and store evaporative emissions from the fuel
tankandengine.Theevaporatecontrolsystemusedon
Greensmaster 3300machines uses acarboncannister
to collect these evaporative emissions. Fuel vapors
fromthefueltankareventedtothecanisterwhentheen-
gine is not running. Vapors from the canister are con-
sumed when the engine is running.
The fuel tank on Greensmaster 3300 machines uses a
non--vented fuel cap. To connect the tank to the evapo-
rative control system, a fuel vent valve is positioned in
the top of the tank that allows tank venting through the
carbon cannister.
NOTE: Ifthereisrestrictioninthefreshairfilter,thecar-
bon cannister or the fuel vent valve, the fuel tank may
distortduetoventingissues.Ifthefueltankreturnstoit’s
normal shape when the fuel cap is removed, restriction
in the evaporative c ontrol system is likely.
Components usedin theevaporative controlsystem on
Greensmaster 3300 machines changed at serial num-
ber 312000000. Figure 1 illustrates the components
used in the evaporative control system.
Machines With Serial Number Below 312000000
Onmachineswith serialnumber below312000000,the
carbon canister is mounted under the fuel tank mount
plate. One fitting at the engine intake manifold is used
toconnecttheevaporative systemtothe engine.These
machinesuseaninlinecheckvalvebetweenthecarbon
cannister and the engine intake manifold fitting.
Machines With Serial Number Above 312000000
Onmachineswithserial numberabove312000000,the
carbon canister is mounted between the hydraulic res-
ervoir and leak detector tank. The evaporative system
includestwo( 2)connectionstotheengine:onetothein-
take manifold and the second to the air cleaner base.
Venting hose assemblies include a check valve in two
(2) locations as shown in Figure 1.
NOTE: Thecheckvalves usedonmachines withserial
numberabove312000000areincludedasacomponent
of the hose assembly and are not available as a sepa-
ratepart.Toensureproperoperationofcheckvalves,do
not attempt to remove them from the hose assembly. If
either of these hose assemblies are removed, make
surethattheyarecorrectlyinstalledtoinsurecorrectop-
eration of the evaporative control system.
Gasoline
Engine
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