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Maintenance
Figure 11 - Fuel Filter
FUEL
FILTER
OIL FILL PLUG/
OIL DRAIN
CRANKCASE
VENT HOSE
CARBURETOR
VENT HOSE
CHANGING THE SPARK PLUG
Replace the spark plug each year, regardless of how many hours the
generator has been run. Use a NGK BPR7HS that has be gapped to
.030” (.76mm). To replace the spark plug:
1. Remove the spark plug cover on the top right side of the
generator, just below the handle (Figure 12).
2. Carefully pull the spark plug lead from the spark plug. Use a
socket wrench to remove the spark plug.
3. Install the new spark plug into the cylinder head. Tighten the
spark plug to 15 ft/lb.
4. Replace the spark plug lead, making sure it is fully seated.
5. Replace the spark plug cover.
Figure 12 - Replace Spark Plug
SPARK PLUG
LOCATION
TRANSPORTATION AND STORAGE
Transport or store the generator only if it has cooled completely. Make
sure the fuel valve and the vent on the fuel cap are both in the OFF
(“O”) position.
It is important to prevent gum deposits from forming in essential fuel
system parts such as the carburetor, fuel hose or tank during long-
term storage. Also, experience indicates that alcohol-blended fuels
(called gasohol, ethanol or methanol) can attract moisture, which
leads to separation and formation of acids; these acids can damage
the fuel system of an engine while in storage.
To avoid engine problems, the use of a commercial fuel stabilizer prior
to storage is recommended. Follow the manufacturer’s instructions
when adding the fuel stabilizer.
If the generator is going to be stored for more than six (6) months, the
generator should be prepared as follows:
1. Remove all gasoline from the fuel tank.
2. Start and run engine until engine stops from lack of fuel or open the
valve on carburetor bowl (Figure 13), and allow gasoline to drain
down tube into a receptacle. Discard appropriately. Be sure to close
the valve once the gasoline has drained.
Figure 13 - Carburetor Drain Valve
CARBUREATOR DRAIN
VALVE LOCATED BEHIND
AIR INTAKE
TURN VALVE COUNTER-
CLOCKWISE TO DRAIN FUEL,
CLOCKWISE TO CLOSE
3. While engine is still warm, drain oil from crankcase. Refill with
recommended grade.
4. Remove spark plugs and pour about 1/2 ounce (15 ml) of engine
oil into the cylinders. Cover spark plug hole with rag. Pull the
starting rope several times to coat the cylinder walls with engine
oil.
5. Install and tighten the spark plug.
6. Clean the generator outer surfaces. Check that cooling air slots
and openings on generator are open and unobstructed.
7. Store the unit in a clean, dry place.
Do not store gasoline from one season to another.
If possible, store the unit indoors and cover it to give protection from
dust and dirt.