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Section 3 — Maintenance
3.3.6 REPLACING THE SPARK PLUGS
Use Champion RC14YC spark plug or equivalent. The correct air gap is
1.01 mm (0.040 in.). Replace the plugs 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 1.01 mm (0.040 in.). Install the correctly
gapped spark plug into the cylinder head.
Figure 18 - Spark Plug Gap
3.4 SERVICE AIR CLEANER
The engine will not run properly and may be damaged if using a dirty air
cleaner. Clean or replace the air cleaner paper filter every 200 hours. Clean
or replace more often if operating under dusty conditions. Clean foam pre-
cleaner every month or more often under dusty conditions.
Figure 19 - Air Cleaner
Pre-Cleaner
Filter
Cover
Base
To clean or replace foam pre-cleaner:
Remove air cleaner cover, then foam pre-filter.•
Wash pre-cleaner in soapy water. Squeeze pre-filter dry in clean cloth •
(DO NOT TWIST).
Clean air cleaner cover before re-installing it.•
To clean or replace paper air filter:
Remove air cleaner cover; then remove foam pre-filter (service if •
necessary) and remove paper filter.
Clean paper filter by tapping it gently on a solid surface. If the filter is •
too dirty, replace it with a new one. Dispose of the old filter properly.
Clean air cleaner cover then slip pre-cleaner over filter. Next insert new •
paper filter into the base of the air cleaner. Re-install air cleaner cover.
NOTE:
To order a new air filter, please contact the nearest authorized service
center at 1-800-333-1322.
3.5 CLEAN SPARK ARRESTOR
SCREEN
The engine exhaust muffler has a spark arrestor screen. Inspect and clean
the screen at least once each year (Figure 20). If unit is used regularly,
inspect and clean more often.
NOTE:
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 the screen retaining bracket by removing the screw.•
Slide the spark arrestor screen out from the tail pipe.•
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 screen and the retaining bracket.•
Figure 20 - Spark Arrestor