Alwaysstop engine,disconnectsparkplug wire, andground againstengine
before performing anytype of maintenanceon your machine.
GENERAL RECOMMENDATIONS
Always observe safetyruleswhenperforminganymaintenance.
Thewarrantyonthislawnmowerdoesnotcoveritems that havebeen
subjected to operatorabuse or negligence. Toreceive full valuefrom
warranty, o peratormustmaintainthe equipment a s
instructed here.
Changing of engine-governed s peed will voidengine warranty.
All adjustments shouldbe checked a t leastonceeachseason.
Periodically c heck all fasteners andmakesurethesearetight.
ENGINE MAINTENANCE
SparkPlug
Forgoodperformance, the sparkplug mustbe properly gapped andfreeof
deposits. R eplace t he sparkplug annually.
1.
Disconnect the capfrom the sparkplug,andremove anydirt from the spark
plugarea.
2.
Use the propersizesparkplug wrench to remove the sparkplug.
NOTE: Replace w ith aChampion RC12YC
sparkplug.
3.
Check thegapwitha wiregauge. S eeFigure 14.Spark plug gapshouldbe
0.020in(0.51mm).If necessary, reset t he gap.
4.
Installandtightenthe sparkplugto the recommended t orque(180Ib-in [20
Nm]).
5.
Attachthe sparkplug capto the sparkplug.
Air (:leaner
Adirty air cleaner w ill restrictairflow to thecarburetorandcause poorengine
performance. Inspect t he filter eachtime the engineisoperated. Y ouwill needto
cleanthe filter morefrequentlyif youoperate the engineinverydustyareas.
Clean the air cleaner e very25hoursofoperationor oncea season. R eplace t he air
cleaner a nnually.
f
Electrode
> <
0.020 in. (.51ram)
Figure14
.J
Figure15
Neverstart or run the engine with the air cleanerassemblyor the air filter
removed.
NOTE: Donot usepressurized a iror solvents to cleanthe filter. Pressurized air can
damage thefilter andsolvents will dissolve the filter.
Theaircleaner s ystemuses afoamelement t hat canbewashedandreused.
1.
Openthecover(B)andremove the foamelement ( C).SeeFigure 15.
2.
Wash the foamelementinliquiddetergent a ndwater.Squeeze d ry the foam
element i n acleancloth.
3.
Saturate the foamelementwith clean engineoil.Toremove the excess
engineoil,squeeze t he foamelementinacleancloth.
4.
Installthefoamelement a ndclose the cover.
15