Assessments - 4, GPA: 4
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1. Check 2. Tightenor replace 3. Clean 1. Change 1. Clean 2. Lubewithlightoil 3. Clean 1. Change 1. Replace 2. Replace 1. Runengineuntil itstopsfromlackof fuel,oraddstabilizertoa fulltankof freshfuel priorto storage. )resent.Replaceaircleanerifverydirty. 16 f Alwaysstopengine,disconnectsparkplugwire,andgroundagainst enginebeforeperforminganytypeofmaintenanceon yourmachine. Electrode GENERAL RECOMMENDATIONS • Alwaysobservesafetyruleswhenperformingany maintenance. • Thewarrantyonthislawnmowerdoesnotcoveritemsthathave beensubjectedtooperatorabuseor negligence.Toreceivefull valuefromwarranty,operatormustmaintainthe equipmentas instructedhere. • Changingof engine-governedspeedwill voidenginewarranty. • Alladjustmentsshouldbecheckedatleastonceeachseason. • Periodicallycheckall fastenersandmakesurethesearetight. ENGINE MAINTENANCE Spark Plug Forgoodperformance,thesparkplugmustbeproperlygappedand Figure11 freeof deposits.Replacethe sparkplugannually. 1. Disconnectthecapfromthesparkplug,andremoveanydirtfrom the sparkplugarea. 2. Usethepropersizesparkplugwrenchtoremovethesparkplug. NOTE:Replacewitha Champion®RC12YCsparkplug. 3. Checkthegapwithawiregauge.SeeFigure11.Sparkpluggap shouldbe0.030in (0.76ram).If necessary,resetthegap. 4. installandtightenthesparkplugtotherecommendedtorque(180 Ib-in[20 Nm]). 5. Attachthesparkplugcapto thesparkplug. Air Cleaner A dirtyaircleanerwillrestrictairflowtothecarburetorandcausepoor engineperformance,inspectthe filtereachtimetheengineis operated. Youwill needto cleanthe filtermorefrequentlyif youoperatethe enginein verydusty areas. Cleantheair cleanerevery25hoursofoperationoroncea season. Replacetheaircleanerannually. Figure12 Neverstartor runtheenginewiththeaircleanerassemblyor theair filterremoved. NOTE:Donotusepressurizedairor solventstocleanthefilter.Pressurizedair candamagethefilterandsolventswilldissolvethefilter. 1. Loosenscrewandtiltplastichousingcoveronsideofengine down.SeeFigure16. 2. Removeairfilterfromplastichousingcoverandreplacewith cleanor newfilter. 3. insertcover'stabsintoslotsinbottomofbase. 4. Tiltcoverupintoplaceandtightenscrew. 17 Check Engine Oil Checkoil levelbeforeeachoperation.Besureoil levelis maintained. 1. Checktheoilwiththeenginestoppedandlevel. 2. Removetheoilfilldipstickandwipeit clean. 3. Insertandtightendipstick.Removeitto checkthe oillevel. 4. Iftheoillevelisnearor belowthelowerlimitmarkonthedipstick, removetheoil fillercap/dipstick,andfillwiththerecommendedoil to the upperlimitmark.Do not overfill. 5. Reinstalltheoilfilldipstick. Change Engine Oil Gasolineand itsvaporsareextremelyflammableandexplosive. Fireor explosioncancausesevereburnsor death. Changeengineoil afterthefirstfivehoursofoperation,andeveryfifty hoursoroncea seasonthereafter. you top tube, emptyor fuel canleak outand resultinafire or explosion.Toempty lWhen draintheoilfromthe oilfill thefueltankmustbe the fuel tank, runthe engineuntilitstopsfromlackof fuel. 1. Withengineoffbutstillwarm,disconnectthesparkplugwireandkeep itawayfromthe sparkplug. 2. Placea suitablecontainernextto the engineto catchthe usedoil. 3. Removetheoilfilldipstickanddraintheoil intothecontainerby tippingtheenginetowardthe oil fillerneck.See Figure13. Usedoilisa hazardouswasteproduct.Disposeof usedoil properly. IDonot discardwithhouseholdwaste.Checkwithyourlocalauthori_ tiesor SearsServiceCenterfor safedisposal/recyclingfacilities. 4. Withtheengineinalevelposition,filltotheupperlimitmarkonthe dipstickwiththe recommendedoil. Runningtheenginewitha lowoil levelcancauseenginedamage. 5. Reinstalltheoilfilldipsticksecurely. Clean Engine • Dailyor beforeeveryuse,cleangrass,chaffor accumulated debrisfromengine.Keeplinkage,spring,andcontrolsclean. Keepareaaroundandbehindmufflerfreeof any combustible debris. • Keepingenginecleanallowsairmovementaroundengine. • Enginepartsshouldbekeptcleantoreducetheriskofoverheatingandignitionof accumulateddebris. Do not usewaterto cleanengineparts.Watercouldcontaminatefuel system.Usea brushor dry cloth. Oil FillDipstick J Figure13 Figure14 LUBRICATION Blade Control Lubricatepivotpointsonthebladecontrolatleastoncea seasonwith light oil.Thiscontrolmustoperatefreelyinbothdirections.SeeFigure 14. Wheels Lubricatethewheelsat leastoncea seasonwithlightoil(ormotoroil). Ifwheelsare removedforanyreason,lubricatesurfaceof thepivot arm andinnersurfaceof the wheelwithlightoil. SeeFigure14. Side Discharge Cover Lubricatethe torsionspringsandpivotpointsonthe sidedischarge coverperiodicallywithlightoilto preventrust.SeeFigure14. 18 CLEANING DECK Cleanundersideofthemowerdeckonceaseasonto preventbuild-up ofgrassclippingsor otherdebris.Followstepsbelowforthisjob. 1. Disconnectsparkplugwire.Runengineuntilit stopsfromlackof fuel. 2. Tip mowersothat it restson the housing,keepingthe mufflerside down.Referbackto Figure13.Holdmowerfirmly. Nevertip themowermorethan900inanydirectionanddonotleave the mowertippedforanylengthoftime.Oilcandrainintotheupper partof the enginecausinga startingproblem. 3. Scrapeandcleantheu...
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