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......... ii i iiiiiiiiiiiiii i i i iii i roll IH I IIIIIIIIII I]
CUSTOMER RESPONSIBILITIES
EVERY 5 HOURS
CLEAN AIR FILTER (Fig. 11)
A dirty air filterdecreases the lifeand performanceofthe
engine and increases fuel consumption an'd harmful
emissions•
Always clean after 5 tanksof fuel or 5 hoursof operation.
Clean more frequentlyin dustyconditions,
• Loosen the two screwson the air filtercover enoughto
remove the cover from the engine.
• Remove air filter.
• Wash air filter in soapand water.
• Squeeze air filter dry and replace in cover.
• Re-install the air filter cover.
AIR RLTER SCREWS
i ...........................
CLEANINGTHE SPARKARRESTOR SCREEN
• Removethe sparkplugboot from thesparkplug.
• Removethe spark plug•
• Loosen andremovethe four (4) engine coverscrews
• Removethe 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 breaksare found in the screen
• Replace any brokenor cracked parts
• Reinstalldiffuserand spark arrestor screen asembly.
• Reinstall mufflercoverand the two mufflercover retaining
springs
• Reinsta[lengine 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 shouldbe replaced each year to ensure
the engine startseasier and runs better Spark plug gap
should be .025"°
• Pull off the spark plug boot.
° Remove and discardthe spark ptug.
• Replacewith correct spark plug and re-tightenwith spark
plug wrench (10-12Ib-ft).
• Reconnect spark plug with spark plug boot•
BOOT
Figure 13
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