Craftsman 90 28 Snow Manual
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ElectricStarter Forlocationofalltheenginecontrolsreferredtointhis section,seeFigure13inset. Beforestarting,makesurethattheenginehassuffi- cientoil.Thesnowthrowerengineisequippedwitha 120voltA.C.electricstarterandrecoilstarter.The electricstarterisequippedwithathree-wirepower cordandplugandisdesignedtooperateon120volt AChouseholdcurrent.Followallinstructionscarefully. ColdStart NOTE:Iftheunitshowsanysignofmotion(driveor augers)withtheclutchgripsdisengaged,shutthe...
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3.Iftheenginestillfailstostart,repeatthefirsttwo steps.Ifcontinuedattemptsdonotfreestarter, followtheelectricstarterprocedurestostart. 4.Avoidfreezingoftherecoilstarterbyreferringto instructionsbelow. BeforeStopping 1.Runengineforafewminutestohelpdryoffany moistureonengine. 2.Avoidfreezingofthestarterbyfollowingthese stepsbeforestoppingthesnowthrower: RecoilStarter a.Withtheenginerunning,pullthestarterrope witharapid,continuousfullarmstrokethree orfourtimes. ElectricStarter...
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NOTE:Itisnotrecommendedthatyouoperatethis snowthrowerongravelasloosegravelcanbeeasily pickedupandthrownbytheaugercausinganinjuryor damagetothesnowthrower. •Ifforsomereason,youhavetooperatethesnow throwerongravel,keeptheskidshoeinthehighest positionformaximumclearancebetweenground andshaveplate. •Cleanthesnowthrowerthoroughlyaftereachuse. Clean-OutTool Theclean-outtoolisconvenientlyfastenedtotherear oftheaugerhousingwithamountingclip.Neveruse yourhandtocleanacloggedchute....
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GeneralRecommendations •Alwaysobservesafetyruleswhenperformingany maintenance. •Thewarrantyonthissnowthrowerdoesnotcover itemsthathavebeensubjectedtooperatorabuse ornegligence.Toreceivefullvaluefromthe warranty,operatormustmaintainthesnowthrower asinstructedinthismanual. •Followthemaintenanceschedulegivenbelow. •Someadjustmentswillhavetobemade periodicallytomaintainyourunitproperly. •Periodicallycheckallfastenersandmakesure thesearetight. _ARNING:Alwaysstopengineand...
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Drive/AugerControlLock:Thecamontheends ofthecontrolrodswhichinterlockthedriveand augercontrolsmustbelubricatedatleastoncea seasonorevery25hoursofoperationusinga multi-purposeautomotivegrease.Thecamcanbe accessedbeneaththehandlepanel.SeeFigure15 Lubricate pivotinc)oints i Lubricate Lubricateaxle ---.,Lubricate shiftrod& arm } Lubricatedri_emechanism Figure15 CheckV-Belts Followinstructionsbelowtochecktheconditionofthe drivebeltsevery50hoursofoperation....
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CheckChuteCables Onceaseasonorevery25hoursofoperation, whicheverisearlier,checkwhetherthechutecables haveslackened.Adjustifnecessary,following instructionsonpage20. CheckSparkPlug Cleansparkplugandresettheelectrodegapto0.030 atleastonceaseasonorevery100hoursofoperation; replaceevery200hoursofoperation. •Cleanareaaroundthesparkplugbase. •Removeandinspectthesparkplug. •Replacethesparkplugifelectrodesarepitted, burned,ortheporcelainiscracked.SeeFigure17....
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_ARNING:Alwaysstoptheengine, disconnectsparkplugwireandmoveitaway fromthesparkplugbeforeperformingany adjustmentsorrepairs.Alwayswearsafety glassesduringoperationorwhileperforming anyadjustmentsorrepairs. ServicingAugers Theaugersaresecuredtothespiralshaftwithtwo shearpinsandcotterpins.SeeFigure18.Ifyouhita foreignobjectoricejam,thesnowthrowerisdesigned sothatthepinswillshear. 1.Iftheaugersdonotturn,checktoseeifthepins havesheared. 2.Replacethepinsifneeded.Tworeplacementshear...
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2.TakeaugerbeltoffthepulleyasshowninFigure 20B. A/ Self-TaSelf-Tapping Screw Belt B ..............//!Engine /_Pulley Drive .........it AugerBelt 3. 4. Figure205. AugerBelt6. 1.Tipthesnowthrowerupandforward,sothatitrests onthehousing.Removetheself-tappingscrews7. fromtheframecoverunderneaththesnowthrower andmovetheframecoveraway.SeeFigure21.8. //9, FrameCover Figure21 2.Turntheshoulderscrewahalfaturnandslideitout ofthemountingbracket.SeeFigure22....
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4. Backoutthestopbolttocreatesufficientgap betweenthefrictionwheeldiscandthedrivepulley. Pullthedrivebeltfromaroundthedrivepulleyand clearitoffthefrictionwheeldisc.SeeFigure24. Drive Beit Friction / // DrivePulle Figure24 5.Nowmovingtotheothersideofthesnowthrower again,slidethebeltoffthecrankshaft. 6.Replacewithnewbelt,firstslidingitthroughthe crankshaft,thenworkingitaroundthegrooveof thedrivepulleyandfinallywrappingitaroundthe enginepulleyfromwheretheoldbeltwasremoved....
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10.Inserttheshiftarmassemblyintothefrictionwheel assemblyandholdassemblyinposition.See Figure28. 11.Slidehexgearshaftthroughrightsideofthe housingandthefrictionwheelassembly. 12.Insertthehexgearshaftthroughthesprocketand thespacer.Makecertainthatchainengagesboth thelargeandthesmallsprocket. NOTE:Ifthesprocketfellfromthesnowthrowerwhile removingthehexgearshaft,placethesprocketonthe hexgearshaft.Positionthehexhubofthesprocket towardthefrictionwheelwhenslidingthesprocketon tohexgearshaft....