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15
MAINTENANCE
2. Remove pleated filter from plastic housing cover and replace with
clean or new filter.
3. Tilt cover up into place and tighten screw.
NOTE: If the filter is torn or damaged in any way, replace it.
WARNING: Temperature of muffler and nearby areas
may exceed 150˚ F (65˚C). Avoid these areas.
SERVICE SPARK PLUG
Clean the spark plug and reset the gap to .030” at least once a season
or every 50 hours of operation. See Figure 15. Spark plug replacement
is recommended at the start of each season. Refer to engine parts list
for correct spark plug type.
NOTE: Do not sandblast spark plug. Spark plug should be cleaned by
scraping or wire brushing and washing with a commercial solvent.
SERVICE MUFFLER
• Inspect muffler periodically, and replace if necessary.
• If your engine is equipped with a spark arrester screen assembly,
remove after every 50 hours of use for cleaning and inspection.
Replace if damaged.
WARNING: Do not operate the Yard Vacuum without
a muffler or tamper with the exhaust system.
Damaged mufflers or spark arresters could create a
fire hazard.
CLEAN ENGINE
• Clean engine by removing dirt and debris with a cloth or brush.
• Frequently remove grass clippings, dirt, and debris from cooling
fins, air intake screen, levers, and linkage. This will help ensure
adequate cooling and engine speed.
Figure 16
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