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Service
Spark Plug
1.
Cleanthe sparkplug and resetthe gap to .030"at leastonce a
seasonor every 50 hoursof operation.
2.
Cleanthearea aroundthe sparkplug. Removeand inspectthe
spark plug.
3.
Replacethe spark plug if the electrodesare pitted,burnedor the
porcelainis cracked.
NOTE:Contacta SearsPartsand RepairCenteror 1-800-4-MY-
HOME@ for a replacementsparkplug,Champion®partnumber
RJ18LM.
4.
Checkthe electrodegap with a wirefeelergaugeand resetthe
gap to .030inches.See Figure18.
2
\
mm
ii
114r-..-_._. 1
3
1.
.030(.76 ram) Gap
2.
Electrodes
3.
Porcelain
Figure18
NOTE: Donot sandthe sparkplug.The spark plugshouldbe cleaned
with a wirebrushand a commercialsolvent.
Clean
Engine
1.
Cleantheengine periodically, b y removingdirt and debriswith a
cloth or brush.
NOTE:Cleaningwith a forcefulsprayof wateris not recommended as
watercouldcontaminate the fuel system.
2.
Toensuresmoothoperationof theengine,keepthe governor
linkage,springsand controlsfreeof debris.
3.
Every 100hoursof operation,removecombustiondepositsfrom
topof cylinder,head,top of pistonand aroundvalves.
18
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