.
.
.
Removethesparkplugbootandusea sparkplugwrenchto
removetheplug.See Figure21.
Figure21
Visuallyinspectthesparkplug.Discardthesparkplugif thereis
apparentwear,orifthe insulatoriscrackedor chipped.Cleanthe
sparkplugwitha wirebrush ifit isto be reused.
Measurethepluggapwitha feelergauge.Correctas necessary
bybendingsideelectrode.SeeFigure18.The gapshouldbeset
to0.030in.
Servicing the Air Cleaner
Neverusegasolineor lowflashpointsolventsforcleaningtheair
cleanerelement.A fireor explosioncouldresult.
Theaircleanerpreventsdamagingdirt,dust,etc.,fromenteringthe
carburetorandbeingforcedintotheengineandis importantto engine
lifeandperformance.Neverruntheenginewithoutanair cleaner
completelyassembled.Checkthe air cleanerbeforeeachuse.
Paperfilterscannotbecleanedand mustbereplacedoncea year
or every100operatinghours;moreoftenif usedinextremelydusty
conditions.
1. Pressthetabonthe air filtercover,liftthe coverand removethe
air filter.SeeFigure23.
..........
Air Filter
Cover
Filter
Figure22
4. Checkthatthe sparkplugwasherisingoodconditionandthread
thesparkplugin by handtopreventcross-threading.
5. Afterthesparkplugisseated,tightenwitha sparkplugwrenchto
compressthewasher.
NOTE:Wheninstallinga newsparkplug,tighten1/2turnafterthe spark
plugseatstocompressthewasher.Whenreinstallinga usedsparkplug,
tighten1/8-1/4turnafterthesparkplugseatstocompressthewasher.
Thesparkplugmustbe securelytightened.An improperlytightened
sparkplugcanbecomeveryhot andmaydamagetheengine.
Figure23
2. Discardoldair filter.
3. Installnewair filter.
4. Closethecover.
NOTE:Ifthe filteristornor damagedinanyway,replaceit.
Cleaning the Engine
Donotsprayenginewithwatertocleanbecausewatercould
contaminatefuel.Usinga gardenhoseor pressurewashingequip-
mentcanalsoforcewaterintothe muffleropening.Waterthatpasses
throughthe mufflercanenterthecylinder,causingdamage.
Accumulationofdebrisaroundmufflercouldcausea fire. Inspectand
cleanbeforeeveryuse.
Iftheenginehas beenrunning,allow itto coolfor at leasthalfanhour
beforecleaning.Periodicallyremovedirt build-upfromtheengine.
Cleanaroundthemuffler.Cleanwitha brushor compressedair.
To Next Page
Loading...
