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FUEL SYSTEM
GASOLINE
Use only unleaded gasoline with an octane rating of 89 or
higher. Higher octane is recommended. The use of lower
octane gasoline will affect engine performance adversely.
Ethanol blend must not exceed E 1
o.
NOTE:
The generator compartment should have a gasoline
fume detector/alarm properly installed and working.
GASOLlNEJWATER SEPARATOR AND
A primary fuel filter of the water separating
type must be installed between the fuel tank
and the engine to remove water and oth,er
contaminant's from the fuel before they can
be carried to the fuel system on the engine.
Most installers include a type of filter/water.
separator with the installation package as
they are aware of the problems that
contaminant's in the fuel can cause.
These gasoline filters must have
metal
bowls
(not "Set;-through") to meet U.s. Coats Guard
requirements. The metal bowls have drain
valves to use when ctJ,eckiI).g (or water and
TYPICAL FUEL
FILTER/WATER
, SEPARATOR
impurities. This fIlter rating must be iOmicrons or
smaller.
.
FUEL PUMP
Periodically
ch~k
the fuel conriections to and out of the pump
and make sure that 'no leakage is present and that the fittings
are tight and secUre. The engine mounted fuel pump is
maintenance free.
FUEL LIFT PUMP
PN#045354
INLET FUEL FILTER
FUEL
MODULE
To ensure clean fuel into the fuel lift pump, there is a small
in-line fuel filter connected to the fuel module. This filter
should be replaced every 250 hours of operation.
1.
Shut off the fuel supply to the generator. Disconnect the
fuel supply line to thdnlet filter and unscrew the filter
from the pump inlet. Take care to catch any fuel that may
be present.
2. Thread on the replacement inlet filter and connect the
fuel supply line. Use care when connecting and
tightening the fuel supply line so as not to distort the
inlet filter.
3. Tum on the fuel supply to the generator and start the
generator. Ensure that there are no leaks.
ENGINE FUEL FILTER
Periodically check the fuel connections and the bowl for
leakage. Replace the filter element after the first 50 hours
then follow the
MAINTENANCE SCHEDULE.
Changing Filter Element
1.
Shut the fuel sUDply to the generator off.
2. Ensure system fuel pressure is at zero. Bleed off the
system pressure using a Schrader valve located on the
injector throttle body. Use extreme care as pressure maybe
as high as 45 PSI or more. Use towels to wrap the valve
and catch or subdue any fuel spray.
3. Unscrew the fuel bowl from the housing and pull the
filter element down and off. Use care to catch any fuel
that may be present.
4. Replace the sealing "0" ring. Install the new filter element
and thread on the fuel bowl then tighten by hand.
5. Open the fuel supply to the generator and start the unit.
Ensure that there are no leaks.
A WARNING:
Fuel is present in the hosing and lines.
Use extreme care toprevent"spiUage
ENGINE
FUEL
FILTER·
PRE·FILL
WITH
FRESH FUEL,
LUBRICATE WITI;I
CLEAN FUEL AND
PRESS THE FILTER
. ON OVER THE. a-RING
AWARNING:
Shut otr the'tuel valve
at
the tank when
servicing the fuel system. Take care in catching any fuel
that may spill. DO NOT allow any smoking, open flames
Dr other sources of fire near the fuel system when
serviCing. Ensur" proper ventilation exists when
servicing the fuel system.
Engines & Generators
15
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