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chipped, spark plug should be replaced. For replacement
spark plug, see Product Specifications earlier in this
manual or the accompanying engine manual, if applicable.
Measure plug gap. The correct gap is 0.028−0.031 in.
(0.7-0.8 mm). To widen gap, if necessary, carefully bend
the ground (top) electrode. To lessen gap, gently tap
ground electrode on a hard surface.
Seat spark plug in position; thread in by hand to prevent
cross-threading.
Tighten with wrench to compress washer. If spark plug
is new, use 1/2 turn to compress washer appropriate
amount. If reusing old spark plug, use 1/8 to 1/4 turn for
proper washer compression.
NOTE: An improperly tightened spark plug will become
very hot and could damage the engine.
Reinstall the spark plug cap.
SPARK ARRESTOR
See Figure 19.
NOTICE:
This product is equipped with a spark arrestor that has
been evaluated by the USDA Forest Service; however,
product users must comply with Federal, State, and lo-
cal fire prevention regulations. Contact customer service
or a qualified service center to purchase a replacement
spark arrestor.
Inspect the spark arrestor for breaks or holes. Clean or
replace if necessary.
Use a brush (not provided) to remove carbon deposits
from the spark arrestor screen as needed.
CLEANING THE EXHAUST PORT AND
MUFFLER
Depending on the type of fuel used, the type and amount of
lubricant used, and/or your operating conditions, the exhaust
port and muffler may become blocked with carbon deposits.
If you notice a power loss with your gas-powered products,
you may need to remove these deposits to restore perfor-
mance. We highly recommend that only qualified service
technicians perform this service.
DRAINING FUEL TANK/CARBURETOR
See Figures 20 - 22.
To help prevent gum deposits in the fuel system, drain the
fuel from the tank and carburetor before storing.
DRAINING THE FUEL TANK
Turn off the generator.
Turn the fuel valve to the OFF position.
Push the fuel valve knob through the generator housing
and pull down slightly to gain access to the hose barb.
MAINTENANCE
Remove the fuel line from the hose barb by squeezing
the ends of the retaining clip and sliding the fuel line off.
NOTE: Make sure you are removing the fuel line that runs
between the fuel valve and the carburetor, NOT the line
that runs between the fuel valve and the fuel tank.
Install one end of a drain line (not provided) over the hose
barb, and place the other end in a fuel container large
enough to catch the fuel being drained from the tank.
Turn the fuel valve to the ON position.
When the fuel has drained from the tank, close the fuel
valve and reinstall fuel line securely on hose barb.
Reinstall fuel valve knob in generator housing. Push for-
ward until knob snaps securely into position.
DRAINING THE CARBURETOR
Turn off the generator.
Turn the fuel valve to the OFF position.
Position a suitable container under the carburetor drain
screw to catch fuel; loosen the screw.
Allow fuel to drain completely into container.
Retighten drain screw.
NOTE: Consult hazardous waste management guidelines in
your area for the proper way to dispose of used fuel.
REPLACING FUEL FILTER
See Figure 23.
Occasionally the fuel filter may become clogged and need
to be replaced. To purchase a replacement fuel filter contact
customer service or a qualified service center.
NOTE: Fuel tank must be empty before replacing fuel filter.
Run unit until tank is empty, if needed, or inspect filter prior
to fill-up.
To replace:
Turn the fuel valve to the OFF position.
Push the fuel valve knob through the generator housing
and pull down slightly to gain access to the filter.
Remove the fuel line from both sides of the filter by
squeezing the ends of the retaining clip with pliers.
Slide the fuel line off.
Replace with new fuel filter.
Reinstall fuel lines to new fuel filter.
Reinstall fuel valve knob in generator housing. Push for-
ward until knob snaps securely into position.
Turn the fuel valve to the ON position.
TRANSPORTING
Verify the fuel valve is in the OFF position.
Turn off the generator. Disconnect any equipment that is
plugged into the generator.
Allow 30 minutes of "cool down" time before storing the
machine. Make sure engine and exhaust of unit are cool.
Page 17 — English
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