Craftsman 247282820 Owner's manual

Operator's nual

CRAFTSMAN°

21 SteeJ Blade Dethatcher

Model No. 247.282820

For answers to your questions about this product,

call 1-800-4MY-HOME.

CAUTION: Before using this

product, read this manual and

follow aJl safety ruJes and operating

instructions.

,, SAFETY

,, ASSEMBLY

,, OPERATION

,, MAINTENANCE

,, PARTS LIST

,, ESPAI_OL R 30

Sears, Roebuck and Co., Hoffman Estates, IL 60179, U.S.A.

Visit our website: www.sears.com/craftsman

FormNo.769-04612

(May4,2009)

Warranty Statement ....................................................... 2

Safety instructions ......................................................... 3

Slope Guide .................................................................... 6

Safety Labels ................................................................. 7

Assembly ........................................................................ 8

Operation ..................................................................... 10

Service and Maintenance ........................................... 13

Off-Season Storage ..................................................... 18

Troubleshooting ........................................................... 19

Parts List ...................................................................... 20

Espa_ol ......................................................................... 30

Service Numbers ..................................................... Back

Cover

CRAFTSMAN FULL WARRANTY

Ifthis Craftsmanproductfailsduetoa defectin materialor workmanshipwithintwo yearsfromthedateof purchase,returnittoanySears

store,Parts& RepairServiceCenter,or otherCraftsmanoutletin theUnitedStatesforfreerepair(or replacementif repairprovesimpos-

sible),

Thiswarrantyappliesforonly90daysifthisproductis everusedforcommercialor rentalpurposes.

ThiswarrantycoversONLYdefectsin materialandworkmanship.SearswillNOTpayfor:

• Expendableitemsthatcanwearoutfromnormalusewithinthewarrantyperiod,suchasbelts,filters,sparkplugsordethatching

blades,

• Repairsnecessarybecauseof accident,suchas abentcrankshaft,or failuretooperateor maintaintheproductaccordingtoall

suppliedinstructions,

• Preventivemaintenance,or repairsnecessaryduetoimproperfuel mixture,contaminatedorstalefuel,

Thiswarrantygivesyouspecificlegal rights,andyoumayalsohaveotherrightswhichvaryfromstateto state.

Sears, Roebuckand Co.,HoffmanEstates,IL60179

EngineOil: 10W-30

Fuel: UnleadedGasoline

SparkPlug: TorchF6RTC

SparkPlugGap: .020"-.030"

ModelNumber

Serial Number

Dateof Purchase

Recordthemodelnumber,serialnumber,

anddateofpurchaseabove.

©SearsBrands,LLC 2

__IL Thissymbolpointsoutimportantsafetyinstruc-

tionswhich,ifnotfollowed,couldendangerthe

personalsafetyand/orpropertyofyourselfand

others.Readandfollowallinstructionsinthis

manualbeforeattemptingtooperatethismachine.Failureto

complywiththeseinstructionsmayresultin personalinjury.When

youseethissymbol,HEEDITSWARNING!

Your Responsibility: Restricttheuseofthis powermachineto

personswhoread,understand,andfollowthewarningsand instruc-

tionsinthis manualandonthemachine.

Thismachinewasbuilttobeoperatedaccordingtothe rulesfor

safeoperationinthismanual.Aswithanytypeof powerequip-

ment,carelessnessor erroronthepartoftheoperatorcanresult

in seriousinjury.Thismachineiscapableofamputatinghandsand

feetandthrowingobjects.Failuretoobservethefollowingsafety

instructionscouldresultin seriousinjuryordeath.

EngineExhaust,someofitsconstituents,andcertainvehicle

[componentscontainor emitchemicalsknownto StateofCalifornia

[to causecancerand birthdefectsor otherreproductiveharm.

CHILDREN

,, Tragicaccidentscanoccurifoperatorisnotalerttopresenceof

children.Childrenareoftenattractedtooutdoorpowerequipment.

Theydo notunderstandthedangers.Neverassumethatchildrenwill

remainwhereyoulast sawthem.

,, Keepchildrenoutofthe workareaand underwatchfulcareofa

responsibleadult otherthanthe operator.

,, Bealertandturndethatcheroffif achildentersthearea.

,, Beforeandwhile movingbackwards,lookbehindanddownfor small

children.

,, Useextremecarewhenapproachingblindcorners,doorways,shrubs,

trees,orotherobjectsthat mayobscureyourvisionofa childwhomay

runintothedethatcher.

,, Keepchildrenawayfrom hotor runningengines.Theycansuffer

burnsfrom ahotmuffler.

,, Neverallow childrenunder14yearsoldto operatethedethatcher.

Children14yearsoldand overshouldreadand understandoperation

instructionsandsafetyrulesin thismanualand shouldbetrainedand

supervisedbyanadult.

GENERAL OPERATION

• Readthisoperator'smanualcarefullyin itsentirety beforeattempt-

ingtoassemblethismachine.Read,understand,andfollow all

instructionsonthe machineand inthe manual(s)beforeoperation.

Becompletelyfamiliarwiththe controlsand the properuseofthis

machinebeforeoperatingit. Keepthismanualin a safe placefor

futureand regularreferenceand fororderingreplacementparts.

,, Befamiliarwithall controlsandtheirproperoperation.Knowhowto

stopthe machineanddisengagethemquickly.

,, Do notstartenginewith bladesengaged.

,, Thismachineisaprecisionpieceof powerequipment,not a plaything.

Therefore,exerciseextremecautionatall times.Yourunithasbeen

designedto performonejob:to dethatchgrass.Do notuseit forany

otherpurpose.

,, Neverallow childrenunder 14yearsoldto operatethismachine.

Children14yearsoldand overshouldreadand understandthe

instructionsin thismanualandshouldbetrainedand supervisedbya

parent.

,, Onlyresponsibleindividualswhoarefamiliarwiththeserulesofsafe

operationshouldbe allowedto usethismachine.

,, Thoroughlyinspectthe areawheretheequipmentisto beused.

Removeall stones,sticks,wire,bones,toysandotherforeignobjects

whichcouldbetrippedoveror pickedupandthrownbythe det-

hatcher'sblades.Thrownobjectscancauseseriouspersonalinjury.

,, Tohelpavoidbladecontactinjury,stayinoperatorzonebehindbail

andkeepchildren,bystanders,helpers,andpetsat least75feet from

dethatcherwhile it isinoperation.Stopmachineifanyoneentersarea.

3

,, Alwayswear safetyglassesor safetygogglesduringoperationand

whileperforminganadjustmentor repairtoprotectyoureyes.Thrown

objectswhichricochetcancauseseriousinjurytothe eyes.

,, Wearsturdy,rough-soledworkshoesand close-fittingslacksand

shirts.Shirts andpantsthat coverthe armsand legsandsteel-toed

shoesarerecommended.Neveroperatethismachinein shorts,bare

feet,sandals,slipperyor lightweight(e.g.canvas)shoes.

,, Do notput handsorfeet nearor underbladehousingasblades

protrudebelowbottomof housing. Contactwith bladecanamputate

handsand feet. Keephandsand feetwayfromall rotatingparts.

,, Injurycanoccurif thedethatcherispulledoverthe foot duringafall

causedby slippingortripping.Do notholdon tothedethatcherif you

arefalling; releasethe bailimmediately.

,, Neverpullthe dethatcherbacktowardyou whileyou arewalking.If

youmustbackthe dethatcherawayfromawallor obstructionfirst look

downandbehindtoavoidtrippingandthenfollowthesesteps:

,, Stepbackfromdethatcherto fullyextendyourarms.

,, Besureyouarewell balancedwithsurefooting.

,, Pullbackslowly,nomorethan halfwaytowardsyou.

,, Repeatthesestepsasneeded.

,, Do notoperatedethatcherwhileunderthe influenceof alcoholor

drugs.

,, Raisedethatcherto highestcutpositionbeforestartingengine.

,, Do notengagethe bladeswhilestartingengine.

,, Thebladecontrolbail isasafetydevice.Neverattempttobypassits

operation.Doingsomakesthesafetydeviceinoperativeandmay

resultinpersonalinjurythroughcontactwiththe rotatingblade.The

bladecontrolbail mustoperateeasilyin bothdirectionsandautomati-

callyreturntothe disengagedpositionwhenreleased.

,, Neveroperatethe dethatcherinwetgrass.Alwaysbesureofyour

footing. A slipandfall cancauseseriouspersonalinjury.Ifyoufeel

youarelosingyourfooting, releasethe bladecontrolbailimmediately

andthe bladeswill stoprotating.

,, Dethatchonlyindaylightor goodartificiallight.Walk,neverrun.

,, Stopthe bladeswhencrossinggraveldrives,walksor roads.

,, Ifthe equipmentshouldstartto vibrateabnormally,stopthe engine

andcheckimmediatelyfor thecause.Vibrationis generallya warning

oftrouble.

,, Shutthe engineoff andwait untilthe bladescomestoa completestop

beforeremovingor uncloggingdebrisfrom underthe bladehousing.

Thecuttingbladesmaycontinuetorotateforafew secondsafterthe

engineisshutoff. Neverplaceany partofthe body inthe bladearea

untilyouaresurethe bladeshasstoppedrotating.

,, Neveroperatedethatcherwithoutthe properbladecontrolbail,guards

andother safetyprotectivedevicesin placeandworking.Never

operatedethatcherwithdamagedsafetydevices.Failuretodosocan

resultinpersonalinjury.

• Mufflerandenginebecomehotandcancauseaburn.Donottouch.

• Onlyusepartsandaccessoriesmadeforthismachinebythe

manufacturer.Failuretodosocanresultinpersonalinjury.

• Whenstartingengine,pullcordslowlyuntilresistanceisfelt,thenpull

rapidly.Rapidretractionofstartercord(kickback)willpullhandand

armtowardenginefasterthanyoucanletgo.Brokenbones,fractures,

bruisesorsprainscouldresult.

• Ifsituationsoccurwhicharenotcoveredinthismanual,usecare

andgoodjudgment.ContactyourAuthorizedServiceCenterfor

assistance.

SLOPE OPERATION

Slopesareamajorfactorrelatedto slipandfall accidentswhichcanresultin

severeinjury.Operationon slopesrequiresextracaution.Ifyoufeeluneasy

onaslope,donotdethatchit.Foryoursafety,usethe slopegaugeincluded

aspartofthismanualto measureslopesbeforeoperatingthisunitona

slopedorhillyarea.Ifthe slopeisgreaterthan15degrees,do notdethatch

it.

Do:

• Dethatchacrossthefaceof slopes;neverupanddown.Exercise

extremecautionwhenchangingdirectionon slopes.

• Watchfor holes,ruts,rocks,hiddenobjects,or bumpswhichcan

causeyoutoslipor trip.Tallgrasscan hideobstacles.

• Alwaysbe sureofyourfooting.Aslip andfall cancauseserious

personalinjury.Ifyoufeel youarelosingyourbalance,releasethe

bladecontrolbail immediately,andthe bladewillstop rotatingwithin

severalseconds

Do Not:

• Donotdethatchneardrop-offs,ditchesorembankments,whereyou

couldloseyourfootingorbalance.

• Donotdethatchslopesgreaterthan15degreesasshownonthe

slopegauge.

• Donotdethatchwetgrass.Unstablefootingcouldcauseslipping.

SERVICE

Safe Handling Of Gasoline:

• Toavoidpersonalinjuryor propertydamageuseextremecarein

handlinggasoline.Gasolineis extremelyflammableandthevapors

areexplosive.Seriouspersonalinjurycanoccurwhengasolineis

spilledon yourselfor yourclotheswhichcan ignite.Washyourskin

andchangeclothesimmediately.

• Useonlyanapprovedgasolinecontainer.

• Neverfill containersinsideavehicleoron atruckor trailerbedwith a

plasticliner.Alwaysplacecontainersonthegroundawayfromyour

vehiclebeforefilling.

• Removegas-poweredequipmentfromthetruck ortrailerand refuelit

onthe ground.Ifthisis notpossible,thenrefuelsuchequipmentona

trailerwithaportablecontainer,ratherthanfrom agasolinedispenser

nozzle.

• Keepthe nozzlein contactwiththe rimofthefueltank orcontainer

openingatalltimesuntilfuelingiscomplete.Donot usea nozzle

lock-opendevice.

• Extinguishallcigarettes,cigars,pipesand othersourcesof ignition.

• Neverfuel machineindoorsbecauseflammablevaporswillaccumu-

lateinthe area.

• Neverremovegascap oraddfuelwhileengineishotor running.

Allowengineto coolat leasttwominutesbeforerefueling.

• Neveroverfillfueltank. Filltankto redindicatorbarinsidetank.

• Replacegasolinecapandtightensecurely.

• Ifgasolineisspilled,wipe itoffthe engineandequipment.Moveunit

toanotherarea.Wait5 minutesbeforestartingengine.

• Neverstorethe machineorfuel containernearanopenflame,spark

or pilotlightason awaterheater,spaceheater,furnace,clothesdryer,

orother gasappliances.

• Toreducefire hazard,keepdethatcherfreeofgrass,leaves,or other

debrisbuild-up.Cleanupoil orfuel spillageandremoveanyfuel

soakeddebris.

• Allowdethatcherto coolat least5 minutesbeforestoring.

General Service:

• Neverrunanengineindoorsor in apoorlyventilatedarea. Engine

exhaustcontainscarbonmonoxide,anodorlessanddeadlygas.

• Beforecleaning,repairing,or inspecting,makecertainthe bladesand

all movingpartshavestopped.Disconnectthesparkplugwireand

groundagainstthe engineto preventunintendedstarting.

• Checkthe bladeandenginemountingfastenersatfrequentintervals

forpropertightness.Also,visuallyinspectbladesfordamage(e.g.,

bent,cracked,worn)Replacebladeswiththeoriginalequipment

manufacture's(O.E.M.)bladeonly.Useof partswhichdonot meetthe

originalequipmentspecificationsmayleadtoimproperperformance

andcompromisesafety!

• Dethatcherbladesmaybesharpandcan cut.Wrapthe bladeor wear

gloves,and useextracautionwhenservicingthem.

• Keepall nuts,bolts,and screwstightto besurethe equipmentis in

safeworkingcondition.

• Nevertamperwithsafety devices.Checktheirproperoperation

regularly.

• Afterstrikinga foreignobject,stopthe engine,disconnectthespark

plugwireandgroundagainsttheengine.Thoroughlyinspectthe

dethatcherfor anydamage.Repairthe damagebeforestartingand

operatingthe dethatcher.

• Forsafetyprotection,frequentlycheckcomponentsand replaceim-

mediatelywithoriginalequipmentmanufacturer's(O.E.M.)partsonly.

Useof partswhichdonot meettheoriginalequipmentspecifications

mayleadto improperperformanceand compromisesafety!

• Donotchangetheenginegovernorsettingor overspeedtheengine.

Thegovernorcontrolsthe maximumsafeoperatingspeedofthe

engine.Donotcrankenginewithsparkplugremoved.

• Checkfuelline,tank, cap,andfittingsfrequentlyforcracksor leaks.

Replaceif necessary.

• Maintainor replacesafetyandinstructionlabels,asnecessary.

• Observeproperdisposallawsandregulations.Improperdisposalof

fluidsandmaterialscanharmthe environment.

YourResponsibility:Restrictthe useofthispowermachineto personswhoread,understand,andfollowthe warningsandinstructionsin thismanualandonthe

machine.

4

SAFETY SYMBOLS

Thispagedepictsanddescribessafetysymbolsthatmayappearonthis product.Read,understand,andfollowallinstructionson the

machinebeforeattemptingtoassembleandoperate.

® =

®

READ THE OPERATOR'S MANUAL(S)

Read, understand, and follow all instructions in the manual(s) before attempting to assemble

and operate

WARNING-- ROTATING BLADES

Keep hands out of inlet and discharge openings while machine is running. There are rotating

blades inside

BYSTANDERS

Keep bystanders, pets, and children at least 75 feet from the machine while it is in operation.

Stop machine if anyone enters the area.

WARNING-- THROWN DEBRIS

Remove debris (i.e. rocks, sticks, wire) and other objects which can be thrown by the blades

EYEPROTECTION

Always wear safety glasses or safety goggles when operating this machine.

5

Usethispageasa guidetodetermineslopeswhereyoumaynotoperatesafely.Donot operatethedethatcheron suchslopes.

!

t

C

CD

r-

6c

IT

-1-

z2r

C3

O3

C_

o_,

co

O

d)

t-

o

co

o

(D

Thissymbolpointsoutimportantsafetyinstructionswhich,ifnotfollowed,couldendangerthepersonalsafetyand/orpropertyof yourself

andothers.Readandfollowallinstructionsin thismanualbeforeattemptingtooperatethis machine.Failuretocomplywiththeseinstruc-

tionsmayresultin personalinjury.Whenyouseethis symbol,HEEDITSWARNING!

6

WARNING

Thissymbol points outimportant safety instructions

which, ifnot followed,could endangerthe personal

safety and/or property of yourselfand others. Readand

follow allinstructionsin this manualbeforeattempting

to operatethis machine.Failureto comply withthese

instructions mayresult inpersonalinjury.When yousee

this symbol HEEDITS WARNING!

Your Responsibility

Restrictthe useofthis powermachineto personswho

read, understand,and follow thewarnings and instruc-

tions in this manualand onthe machine.

7

NOTE:Referencesto rightorleft sideof thedethatcherare

determinedfrom behindtheunitintheoperatingposition(standing

directlybehindthedethatcher,facingthehandlepanel).

REMOVING FROM CARTON

1. Cutthecornersofthecartonandlaythesidesflat onthe

ground.Removeanddiscardall packinginserts.

2. Movethedethatcheroutofthecarton.

3. Makecertainthecartonhasbeencompletelyemptiedbefore

discardingit.

ASSEMBLY

Positioning the Handle

1. Removeknobsfromhandles.

2. Placelowerhandleasshown.See Figure1.

4. Placeupperhandleon lowerhandle.

5. Insertknobsintotopholeofthelowerhandleand bottomhole

oftheupperhandleandtighten.SeeFigure2.

Figure2

Attaching Remote Pulley Starter

Theropeguideisattachedtothe rightsideoftheupperhandle.

Loosenthenutwhichsecuresittotheupperhandle.SeeFigure3.

f

Figure1

Insertknobsintothetopnotchofthebaseofthedethatcher

andbottomholeofthehandleandtighten.

Figure3

a. Holdthebladecontrolbailagainsttheupperhandle.

b. Slowlypullstarterropeoutofengine.

c. Slipstarterropeintothe ropeguide.

d. Tightenropeguidenut.

J

8

Securing Cables

Cablesareattachedtotheirrespectivecontrols,butareleft unat-

tachedtothehandletoeaseassembly;however,theywillneedto

besecuredtothelowerhandlebytheprovidedcabletie. See

Figure4.

f

Figure4

Fuel recommendations

Useautomotivegasoline(unleadedor lowleadedtominimize

combustionchamberdeposits)witha minimumof87octane.

Gasolinewithupto 10%ethanolor 15%MTBE(MethylTertiary

ButylEther)canbeused.Neverusean oil/gasolinemixtureordirty

gasoline.Avoidgettingdirt,dust,orwaterin thefueltank.DONOT

useE85gasoline.

• Refuelina well-ventilatedareawiththeenginestopped.Donot

smokeor allowflamesor sparksintheareawheretheengineis

refueledorwheregasolineis stored.

• Donotoverfillthefueltank.Afterrefueling,makesurethetank

capisclosedproperlyand securely.

• Becarefulnottospillfuelwhenrefueling.Spilledfuelor fuel

vapormayignite.Ifanyfuelisspilled,makesuretheareaisdry

beforestartingtheengine.

• Avoidrepeatedor prolongedcontactwithskinor breathingof

vapor.

Adding fuel

Removethegascap,checkthefuellevelandaddfuelif necessary.

Donotfill past"FuelLevel"markeringastank.Iftankisoverfilled,

waituntilfuelva

Adding oil

Theengineis shippedwithoutoil in theengine.Youmustfillthe

enginewithoil beforeoperating.Runningtheenginewithinsuf-

ficientoilcancauseseriousenginedamageandvoidtheproduct

warranty.

1. Removetheoil fillercap/dipstickandwipethedipstickclean.

SeeFigure5.

f

Figure5

NOTE:Donotscrewinthedipstickwhencheckingtheoil level.

Simplyplacethedipstickcaponthetopoftheoil reservoiropening.

2. Slowlyaddoil untiltheoil levelregistersbetweenhigh(H)

andlow(L)onthedipstick,Figure4. Refertothe Serviceand

Maintenancesectionforthecorrectoil viscosityandengineoil

capacity.

Useextremecarewhenhandlinggasoline.Gasolineisextremely

flammableandthevaporsareexplosive.Neverfuelthemachine

indoorsorwhiletheengineis hotor running.Extinguishcigarettes,

cigars,pipesandothersourcesofignition.

Alwayskeephandsandfeetclearofequipmentmovingparts.Do

notusea pressurizedstartingfluid.Vaporsare flammable.

9

BailInterlock

ThrottleControl

/

Choke

Control

BladeControl

Oil Fill Bail

l RecoilStarter

Gasoline

Cap

HeightAdjustment

Lever

Figure6

CHOKE CONTROL

Activatingthe choke controlcloses the choke plate on carburetor

and aids instarting engine.

THROTTLE CONTROL

The throttle controlis located on the engine, it regulates the speed

ofthe engine (Rabbit being the fastest, Turtlebeing the slowest) and

willshut off the engine when pushed to the STOP position.

RECOIL STARTER

Thestarterhandleisusedtostarttheengine,

GASOLINE CAP

Removethegascaptoaddfuel.

OIL FILL

Engineoil levelcanbe checkedandoiladdedthroughtheoilfill.

BLADE CONTROL BAIL

Locatedon theupperhandle,the bladecontrolhandleis usedto

engageanddisengagedrivetothecuttingblades.Squeezethe

controlhandleagainsttheupperhandleto engagetheblades;

releaseittodisengage.

HEIGHT ADJUSTMENT LEVER

Theheightadjustmentleverraisesand lowersthecuttingblades.

Usethe1-settingfortransportation,settings2through5 for

dethatching.Settings3, 4,and5 arenotneededuntilthebladesare

tooworntobeeffectiveon setting2.Optimumcuttingdepthis1/8of

an inch.

BAIL INTERLOCK

Thebailinterlocklocksthebladecontrolhandleinplaceto prevent

unwantedengagingofthecuttingblades.

10

BEFORE STARTING THE ENGINE STARTING THE ENGINE

Read,understandandfollowallthe instructionsandwarningson

themachineandin thismanualbeforeoperating.

Thesparkplugwirewasdisconnectedforsafety.Attachthespark

plugwiretothesparkplugbeforestarting.SeeFigure7.

O

Figure7

_ressurizedstartinc flammable.

Toavoidcarbonmonoxidepoisoning,makesuretheengineis

outdoorsin awell-ventilatedarea.

1. Setthethrottletothefast_position.

2. Setthechoketo theFULLi'_"1 position.

3. Grasptherecoilstarterhandleandpulltheropeoutslowly,until

it pullsslightlyharder.Lettheroperewindslowly.SeeFigure8.

NOTE:Thebladecontrolbaildoesnotneedto beengagedto start

theengine.

4. Pulltherecoilstarterhandlerapidly.Donotallowthehandleto

snapback.Allowitto rewindslowlywhilekeepinga firmhold

onthehandle.

5. Astheenginewarmsup andbeginstooperateevenly,slidethe

chokeleverslowlytothe1/2chokeposition.Whentheengine

I

÷

II

beginstorunsmoothly,movethechoketotheOFF_ _posi-

tion.If theenginefails,returntoFULLI_1 choke thenslowly

m a

moveto1/2chokethentheOFF_ _position.

/

j,

Figure8

STOPPING THE DETHATCHER

1. Releasegriponbladecontrolbailtostopblades.

2. SetthethrottletotheSTOPpositiontoturnoff theengine.

3. Settheheightadjustmentlevertothe1-setting.

NOTE:Ifthebladesbecomestuckwhenbeingreturnedtothe

1-setting,gentlypushdownonthehandletopropthemachineon

thebacktwowheelswhiletheleverisraised.

Muffler,engineand surroundingareasbecomehotandcancause

a burn.Becarefulanddo nottouchwhenthey_arehot.

11

USING THE DETHATCHER

Dethatchthelawnonceinthespringandonceinthefalltoclear

deadand/ordyinggrassfromthelawn,and toallowmoreairto

flowthroughtheground.Grassshouldbe 21/2incheshighwhen

dethatched.Afterdethatching,fertilizeandwaterthelawntoencour-

agequickergrowth.

Besurelawnisclearofstones,sticks,wire,orotherobjectswhich

coulddamagedethatcheror engine.Suchobjectscouldbe ac-

cidentlythrownbythedethatcherin anydirectionandcauseserious

personalinjurytotheoperatorandothers.

1. Releasebailinterlockandengagebladecontrolbailto start

blades.SeeFigure9.

.

Figure9

Settheheightadjustmentleverto theappropriateslot;2 being

thehighestsetting,5 beingthelowest.Settings3,4,and5

arenotneededuntilthebladesare toowornto beeffectiveon

setting2.Optimumcuttingdepthis1/8ofaninch.SeeFigure10.

\

(

Figure10

• If dethatcherbecomesstuckduringuse,gentlypushdownon

handleto raisefrontwheels

• Donotdriveoverdiscardedthatchasthiscreatesan uneven

cuttingheight

• Whendethatching,leaveapproximatelyeightinchesofsoilbe-

tweenthefirstandseconddethatchingpaths;rakedethatched

grassfromfirstandsecondpaththendethatchbetweenthetwo

paths.

• Whenturning,pivotdethatcheronbacktwowheelswithblades

disengaged.

Donotmakesharpturnswithcuttingbladesengaged.Thiswill

bendblades.

TRANSPORTING THE DETHATCHER

1. Setthe heightadjustmentlevertothe1-setting.

2. Pushtonewlocation.

Donotsetthecuttingbladestoodeep;doingsowillshortenthelife

ofthebladedrivebelt.

12

MAINTENANCE SCHEDULE

Beforeperforminganytypeofmaintenance/service,disengageall

controlsandstoptheengine.Waituntilallmovingpartshavecometo

acompletestop.Disconnectsparkplugwireandgrounditagainstthe

enginetopreventunintendedstarting.Alwayswearsafetyglassesduring

operationorwhileperforminganyadjustmentsor repairs.

Eachuse 1. Engineoillevel

2. Dethatcherandexhaustarea

1st5 hours 1. Engineoil

Every5 hours 1. Engineoil

2. Exhaustarea

25 hours 1. Sparkplug

Everyseason/5Ohours 1. Engineoil

Everyseason/lOOhours 1. Sparkplug

2. Airfilter

Everyseason/Before 1. Pivotpoints

storage 2. Controlhandle

3. Extensionspring

Followthemaintenanceschedulegivenbelow.Thischart

describesserviceguidelinesonly.UsetheServiceLogcolumn

tokeeptrackofcompletedmaintenancetasks.Tolocate the

nearest SearsService Centeror to scheduleservice,simply

contactSearsat 1-800-4-MY-HOME®,

1. Check

2. Clean

1. Change

1. Check

2. Clean

2. Check

1. Change

1. Clean,replace,re-gap

2. Replacepaperfilter

1. Lubricate

2. Lubricate

3. Lubricate

ENGINE MAINTENANCE

Topreventaccidentalstart-up,shutofftheengineand removethe

sparkplugbeforeperforminganytypeofenginemaintenance.

Periodicinspectionandadjustmentof theengineisessentialifhigh

levelperformanceistobe maintained.Regularmaintenancewill

alsoensurea longservicelife.Therequiredserviceintervalsand

thetypeofmaintenanceto beperformedaredescribedinthetable

above.Followthe hourlyor calendarintervals,whicheveroccur

first.Morefrequentserviceisrequiredwhenoperatinginadverse

conditions.

Changing Engine Oil

Theengineoil shouldbechangedafterthefirstfive hoursof useand

thenonceaseasonor afterevery50 hoursof use.

NOTE:Checktheoillevelbeforeeachuseandaftereveryfivehours

ofoperationtobesurethecorrectoil levelismaintained.Referto

CheckingOil LevelintheOperationSection.

1. Drainfuelfromthetankbyrunningtheengineuntilthefueltank

isempty.Besurethefuelfillcapissecure.

2. Placea suitableoil collectioncontainerundertheoildrainplug.

.

Removetheoil drainplug.SeeFigure11.

J

Figure11

4. Tiptheenginetodrainoil intothecontainer.Usedoil mustbe

disposedof ata propercollectioncenter.

5. Reinstallthedrainplugandtightenitsecurely.

6. Refillwiththe recommendedoil andchecktheoil level;referto

AddingOilintheAssemblySectionforinstructions..

7. Reinstalltheoilfillercap/dipsticksecurely.

)ossibleafterhandlingusedoil.

13

NOTE:Pleasedisposeof usedmotoroil ina mannerthat isfriendly

totheenvironment.Takeit toarecyclingcenterorothercollection

center,

Oil Recommendations

Whenaddingoiltotheengine,add10%30 engineoil. Engineoil

capacityis600rnl(approx.20oz.).Donotover-fill.Usea 4-stroke,

oran equivalenthighdetergent,premiumqualitymotoroil certifiedto

meetor exceedU.S.automobilemanufacturer'srequirementsfor

serviceclassificationSG,SE MotoroilsclassifiedSG,SFwillshow

thisdesknationonthecontainer.

DONOTusenon-detergentoilor2-strokeengineoil.Itcould

shortentheengine'sservicelife.

Spark Plug

cranktheen(!mewiththe removed.

If theenginehasbeenrunning,themufflerwillbe veryhot.Be

carefulnotto touchthemuffler.

Thesparkplug(TorchF6RTC)shouldbecheckedevery25 hours

andchangedoncea seasonorevery 100hours.Toensureproper

engineoperation,thesparkplugmustalsobeproperlygappedand

freeofdeposits.

1. Removethe sparkplugbootandusea sparkplugwrenchto

removetheplug,Figure12.

,

Figure12

Visuallyinspectthesparkplug.Discardthesparkplugif there

isanyapparentwear,or iftheinsulatoriscrackedorchipped.

Cleanthesparkplugwitha wirebrushif itistobe reused.

3. Measurethepluggapwitha feelergauge.Correctasneces-

sarybybendingthesideelectrode,Figure13.Thegapshould

be setto.02-.03inches(0.70-0.80turn).

Electrode

_==== .02-.03 in.

(0.70-0.80 ram)

Figure13

4. Checkthatthesparkplugwasherisingoodconditionand

threadthe sparkplugin byhandtopreventcross-threading.

5. Afterthesparkplugisseated,tightenwitha sparkplugwrench

tocompressthewasher.

NOTE:Wheninstallinga newsparkplug,tighten1/2-turnafterthe

sparkplugseatstocompressthewasher.Whenreinstallinga used

sparkplug,tighten1/8-to 1/4-turnafterthesparkplugseatsto

)tessthewasher.

Thesparkplugmustbetightenedsecurely.A loosesparkplugcan

becomever hotandcandarna e theen ine.

Cleaning the Engine

If theenginehasbeenrunning,allowit tocoolforatleasthalfan

hourbeforecleaning.Periodicallyremovedirtbuild-upfromengine.

Donotspraytheenginewithwatertocleanit becausethewater

couldcontaminatethefuel.Usinga gardenhoseor pressure

washingequipmentcanalsoforcewaterintothemuffleropening.

Waterthatpassesthroughthemufflercanenterthecylinderand

causedamage.

Accumulationofdebrisaroundthemufflercouldcauseafire.

Inspectandcleanbeforeeveryuse.

LUBRICATION

Lubricatethepivotpointsonthebladecontrolbailandtheextension

springattheendofthecontrolcablewitha lightoil onceevery

seasonandbeforethesnowthroweris putintostorageattheendof

theseason.

14

ADJUSTMENTS

Blade Cutting Height

Thedethatcherisdesignedtocut1/8ofan inchintotheground.At

thebeginningoftheproductlifeusethe2-setting.Astheblades

wearitwillbe necessarytoincreasethedepthofthecuttingblades

byusingthe3, 4,and5 settings.

BELT REPLACEMENT

Blade Drive Belt

1. Removethebeltcoverbyremovingthethreehexscrewsthat

secureittotheframeandpressingthetoptwonotchesin.See

Figure14.

.

Removethebeltbypullingoverandoutfromthetoppulley.

Swingthebeltkeeperdownwardsto releasebeltfromlower

pulley.SeeFigure16.

/

i

\ /

BeltKeeper

.

Figure14

Removetheupperleftpulley.SeeFigure15.

Figure15

Figure16

Toreplacethe beltfollowtheseinstructions:

1. Routethebeltaroundthetopandbottompulleys.See

Figure17.

Figure17

2. Reinstallthepulleyremovedearlier,fittingthebeltintothe

pulleyasthepulleyslidesintothebeltkeeper.SeeFigure15.

3. Reinstallthebeltcoverremovedearlier.

15

BLADE REPLACEMENT

Whenthebladesbecometoodull todethatchonthe5-setting,or

ifanyofthebladesbreak,followthesestepsto replacetheblade

assembly.

1. Removethe beltcoverasdescribedintheBeltReplacement

section.

2. Removethe bottompulley.SeeFigure18.

Toreplacethebladeassemblyreferto Figure20.

.

4.

.

Figure18

Removethe sixscrewson theleftand rightside.SeeFigure16.

Turnthedethatcheron its leftside,withtheengineclosestto

theground.

Slidethe bladeassemblyoutfromthe rightside(oppositethe

engine)andlift uponcethebladeassemblyisclearofthe

housing.SeeFigure19.

Figure20

1. Insertthebladeassemblyleftsidefirst.

2. Pulltherightsideofthehousingframeout.

3. Slidetherightsideofthebladeassemblyintoposition.

4. Replacethe screwsremovedearlier.

5. Reinstallthepulleyand beltcoverremovedearlier.

Figure19

J

16

AiR FILTER

Paperfilterscannotbecleanedandmustbe replacedoncea year

orevery 100operatinghours;moreoftenifusedin extremelydusty

conditions.

Neverusegasolineor lowflashpointsolventsforcleaningtheair

cleanerelement.A fireor explosioncouldresult.

NOTE:Neverruntheenginewithouttheaircleaner.Rapidengine

wearwillresult.

1. Pressthetabontheairfiltercoverand liftthecover.SeeFigure

21.Replacepaperelementwhendirtyordamaged.Cleanfoam

elementor replacewhendamaged.

f

Figure21

2. Tocleanfoamelement,separateitfromthepaperelementand

washin liquiddetergentandwater.Allowittodrythoroughly

beforeusing.Donotoil thefoamelement.

17

Ifthedethatcherwillnotbe usedfor30 daysorlonger,theequipmentneedstobe storedproperly.Followstorageinstructionsbelowto

ensuretopperformancefromthedethatcherformanymoreyears.

PREPARING THE ENGINE

Enginesstoredover30daysneedtobedrainedoffueltoprevent

deteriorationandgumfromforminginthefuelsystemor onessential

carburetorparts.If thegasolineinyourenginedeterioratesduring

storage,youmayneedto havethecarburetor,andotherfuelsystem

components,servicedor replaced.

1. Removeall fuelfromthetankbyrunningtheengineuntilit

stops.

2. Changetheengineoil.

3. Removethe sparkplugandpourapproximately1oz.(30 ml)of

cleanengineoil intothecylinder.Pullthe recoilstarterseveral

timestodistributetheoil,and reinstallthesparkplug.

4. Cleandebrisfromaroundtheengine,and under,around,and

behindthemuffler.Applya lightfilmofoilon anyareasthatare

susceptibletorust.

5. Storeina clean,dry andwellventilatedareaawayfromany

appliancethatoperateswitha flameor pilotlight,suchasa

furnace,waterheateror clothesdryer.Avoidanyareawith

a sparkproducingelectricmotor,orwherepowertoolsare

operated.

6. if possible,avoidstorageareaswithhighhumidity.

7. Keeptheenginelevelin storage.Tiltingtheengine cancause

fuelor oil leakage.

PREPARING DETHATCHER

Ifthedethatcherwillnotbeusedfor30 daysor longer,followthe

instructionsbelow.

1. Storetheequipmentin aclean,dryarea.

2. Ifstoringthedethatcherin an unventilatedarea,rustproofthe

metalpartsofthemachinewitha lightoil or siliconecoating.

3. Cleantheexterioroftheengineandthedethatcher.

18

Beforeperforminganytypeofmaintenance/service,disengageallcontrolsandstoptheengine.Waituntilall

movingpartshavecometoacompletestop.Disconnectsparkplugwireandgrounditagainsttheenginetoprevent

unintendedstarting.Alwayswearsafetyglassesduringoperationorwhileperforminganyadjustmentsorrepairs.

Thissectionaddresses minorserviceissues.Tolocate the nearestSearsService Centeror toscheduleservice,simplycontact

Searsat 1-800-4-MY-HOME®.

Enginefailstostart

Enginerunserratically

1. Fueltankempty,or stalefuel.

2. Blockedfuelline.

3. Sparkplugwiredisconnected.

4. Faultysparkplug.

1. Enginerunningon choke.

2. Fuellineblocked,or stalefuel.

3. Wateror dirtin fuelsystem.

4. Carburetoroutofadjustment.

Engineoverheats 1. Carburetoroutofadjustment.

Lossofpower 1. Sparkplugwireloose.

2. Ventingascapplugged.

Excessivevibration 1. Loosepartsor damagedblades

1. Filltankwithcleanfreshgasoline.

2. Cleanfuelline.

3. Connectwiretosparkplug.

4. Cleansparkplug,readjustgap,or replace.

1. MovechokelevertoOFFposition.

2. Cleanfuellineandfilltankwithfresh,clean

gasoline.

3. Drainfueltank.Refillwithfreshfuel.

4. ContactaSearsServiceCenter.

1. ContactaSearsServiceCenter.

1. Firmlyconnectsparkplugwire.

2. Clearvent.

1. Stopengineimmediatelyanddisconnectspark

plugwire.Checkforpossibledamage.Tighten

allboltsandnuts.Repairasneeded.If problem

persists,takedethatchertoa SearsService

Dealer.

NEED MORE HELP?

Find this and all your other product manuals online.

Get answers from our team of home experts.

Get a personalized maintenance plan for your home.

Find information and tools to help with home projects.

b_emg}_t te _;em by Sea_s

19

21 Steel Blade Dethatcher _ Model No. 247. 282820

44

4 \

\

23

41

4

47

\ \

/

43

/

35

29

1 16 24

/ /

22

36

50

2 15

33

/

21

51

19

20 4

23 48

17

/3

54

42

\

52

/

11

26

2O

Page is loading ...

Craftsman 247282820 Owner's manual

This manual is also suitable for

Craftsman 247282820 Owner's manual

in other languages

Related papers

Other documents