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3.3.6 REPLACING THE SPARK PLUG
Use spark plug F6TC, NGK BP6IS or Champioin RN11YC. Replace
the plug once each year. This will help the engine start easier and
run better.
1. Stop the engine and pull the spark plug wire off of the spark
plug.
2. Clean the area around the spark plug and remove it from the
cylinder head.
3. Set the spark plug's gap to 0.76 mm (0.030 in.). Install the
correctly gapped spark plug into the cylinder head and torque
to 15 ft/lbs. (Figure 13).
Figure 13 - Spark Plug Gap
3.3.7 SPARK ARRESTOR
The engine exhaust muffler has a spark arrestor screen. Inspect
and clean the screen at least once each year (Figure 14). If unit is
used regularly, inspect and clean more often.
NOTICE:
If using the generator on any forest-covered, brush-covered
or grass-covered unimproved land, it must equipped with a
spark arrestor. The spark arrestor must be maintained in good
condition by the owner/operator.
Clean and inspect the spark arrestor as follows:
Remove clamp and spark arrestor from muffler.•
Inspect screen and replace if torn, perforated or otherwise •
damaged. DO NOT USE a defective screen. If screen is not
damaged, clean it with commercial solvent.
Replace the spark arrestor and clamp.•
Figure 14 - Spark Arrestor
3.4 SERVICE AIR FILTER
The engine will not run properly and may be damaged if using a
dirty air filter. Clean the air filter every 25 hours (Figure 15). Clean
or replace more often if operating under dusty conditions.
Remove air filter cover.•
Wash in soapy water. Squeeze filter dry in clean cloth (DO NOT •
TWIST).
Clean air filter cover before re-installing it.•
Figure 15 - Air Filter
AIR FILTER
COVER
AIR
FILTER
UNLOCK
COVER
MOVE TO
THE RIGHT
3.5 VALVE CLEARANCE
Intake — 0.10 ± 0.02mm (cold), (0.004" ± 0.0008" inches)•
Exhaust — 0.15 ± 0.02mm (cold) (0.006" ± 0.0008" inches)•
After the first 50 hours of operation, check the valve clearance
in the engine and adjust if necessary.
Important: If feeling uncomfortable about doing this procedure or
the proper tools are not available, please take the generator to the
nearest service center to have the valve clearance adjusted. This is
a very important step to ensure longest life for the engine.
3.6 GENERAL
The generator should be started at least once every seven days
and be allowed to run at least 30 minutes. If this cannot be done
and the unit must be stored for more than 30 days, use the
following information as a guide to prepare it for storage.
NEVER store engine with fuel in tank indoors
or in enclosed, poorly ventilated areas where
fumes may reach an open flame, spark or
pilot light as on a furnace, water heater,
clothes dryer or other gas appliance.
Maintenance