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CUSTOMER RESPONSIBILITIES
EVERY 5 HOURS
CLEAN AIR FILTER (Fig. 11)
A dirty air filter decreases the life and performance of the
engine and increases fuel consumption an'd harmful
emissions•
Always clean after 5 tanks of fuel or 5 hours of operation.
Clean more frequentlyin dusty conditions,
• Loosen the two screwson the air filter cover enough to
remove the cover from the engine.
• Remove air filter.
• Wash air filter in soap and water.
• Squeeze air filter dry and replace in cover.
• Re-install the air filter cover.
AIR RLTER
SCREWS
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CLEANING THE SPARK ARRESTOR SCREEN
• Removethe sparkplug boot from the spark plug.
• Remove the spark plug•
• Loosen and remove the four (4) engine cover screws
• Remove the two (2) muffler guard springs
• Remove muffler diffuser and spark arrestor screen
assembly. Notice the orientation of these parts for
reassembty
• Clean the spark arrestor screen with a wire brush or
replace if breaks are found in the screen
• Replace any broken or cracked parts
• Reinstalldiffuser and spark arrestor screen asembly.
• Reinstall mufflercover and the two mufflercover retaining
springs
• Reinsta[l engine cover and the four engine cover screws
(15-20 in Ibs.).
Figure 11
EVERY 25 HOURS
CLEAN
AND INSPECT
SPARK ARRESTOR
SCREEN (Fig. 12)
As the unit is used, carbon deposits build up on the muf-
fler and spark arrestor creen (if installed), and must be
removed to avoid creating a "fire hazard or affecting
engine performance
Required cleaning is every 25 hours of operation or
annually, whichever is fess
Reptace the spark arrestor screen if breaks occur.
Figure 12
YEARLY
REPLACE SPARK PLUG (Fig. 13)
The spark plug should be replaced each year to ensure
the engine starts easier and runs better Spark plug gap
should be .025"°
• Pull off the spark plug boot.
° Remove and discardthe spark ptug.
• Replace with correct spark plug and re-tightenwith spark
plug wrench (10-12 Ib-ft).
• Reconnect spark plug with spark plug boot•
BOOT
Figure 13
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