Hayter 21in User manual

Hayter
Brand
Hayter
Model
21in
Category
Lawnmowers
Type
User manual

This manual is also suitable for

Operator ’sManual
21inHeavy-DutyWalk-BehindRotaryMower
Code455E
SerialNo.310000001
ManualPartNo.3364-824RevA
Introduction
Thisrotary-blade,walk-behindlawnmoweris
intendedtobeusedbyresidentialhomeowners
orprofessional,hiredoperators.Itisdesigned
primarilyforcuttinggrassonwell-maintainedlawns
onresidentialorcommercialproperties.Itisnot
designedforcuttingbrushorforagriculturaluses.
Readthisinformationcarefullytolearnhowtooperate
andmaintainyourproductproperlyandtoavoidinjury
andproductdamage.Youareresponsibleforoperating
theproductproperlyandsafely.
Wheneveryouneedservice,genuineparts,oradditional
information,contactanAuthorizedServiceDealerand
havethemodelandserialnumbersofyourproduct
ready.Figure1identiesthelocationofthemodeland
serialnumbersontheproduct.
Figure1
1.Modelandserialnumberlocation
Thismanualidentiespotentialhazardsandhas
safetymessagesidentiedbythesafetyalertsymbol
(Figure2),whichsignalsahazardthatmaycauseserious
injuryordeathifyoudonotfollowtherecommended
precautions.
Figure2
1.Safetyalertsymbol
Thismanualuses2wordstohighlightinformation.
Importantcallsattentiontospecialmechanical
informationandNoteemphasizesgeneralinformation
worthyofspecialattention.
Contents
Introduction.................................................................2
Safety...........................................................................3
GeneralLawnMowerSafety.................................3
SoundPressure.....................................................5
SoundPower........................................................5
Vibration,Hand/arm...........................................5
SafetyandInstructionalDecals.............................6
Setup............................................................................7
1InstallingtheHandle..........................................7
2InstallingtheFuelTankandtheFuel
Line..................................................................7
3FillingtheCrankcasewithOil.............................8
ProductOverview........................................................9
Controls...............................................................9
Specications.......................................................9
Operation...................................................................10
CheckingtheEngineOilLevel............................10
FillingtheFuelTank...........................................11
StartingtheEngine.............................................12
StoppingtheEngine...........................................12
OperatingtheBlade............................................12
OperatingtheTractionDrive..............................13
CheckingtheBladeBrakeClutch........................13
AdjustingtheCuttingHeight..............................13
UsingtheGrassBag...........................................14
OperatingTips...................................................15
Maintenance...............................................................17
RecommendedMaintenanceSchedule(s)................17
Lubrication.............................................................17
LubricatingthePivotArms.................................17
LubricatingtheGearCase...................................18
EngineMaintenance...............................................18
ServicingtheAirFilter........................................18
ChangingtheEngineOil....................................19
ChangingtheOilFilter.......................................19
ServicingtheSparkPlug.....................................20
FuelSystemMaintenance.......................................21
EmptyingtheFuelTankandCleaningthe
FuelFilter.......................................................21
DriveSystemMaintenance.....................................21
AdjustingtheSelf-propelDrive...........................21
ServicingtheWheels..........................................22
ControlsSystemMaintenance.................................23
AdjustingtheBladeBrakeCable.........................23
BladeMaintenance.................................................25
MaintainingtheCuttingBlade.............................25
Cleaning.................................................................26
CleaningundertheMowerHousing....................26
CleaningtheBladeBrakeClutchShield...............27
Storage.......................................................................28
PreparingtheFuelSystem...................................28
©2009—HayterLimited
2
PrintedintheUSA
AllRightsReserved
PreparingtheEngine..........................................28
GeneralInformation..........................................28
RemovingtheLawnMowerfromStorage............28
Troubleshooting.........................................................29
Safety
Improperlyusingormaintainingthismowercan
resultininjury.Toreducethepotentialforinjury,
complywiththesesafetyinstructions.
Thismowerwasdesignedandtestedforreasonablysafe
service;however,failuretocomplywiththefollowing
instructionsmayresultinpersonalinjury.
Toensuremaximumsafety,bestperformance,and
togainknowledgeoftheproduct,itisessential
thatyouandanyotheroperatorofthemowerread
andunderstandthecontentsofthismanualbefore
theengineiseverstarted.Payparticularattention
tothesafetyalertsymbol(Figure2)whichmeans
Caution,Warning,orDanger—“personalsafety
instruction.”Readandunderstandtheinstruction
becauseithastodowithsafety.Failuretocomply
withtheinstructionmayresultinpersonalinjury.
GeneralLawnMowerSafety
Thefollowinginstructionshavebeenadaptedfrom
CENstandardEN836:1997.
Thiscuttingmachineiscapableofamputatinghands
andfeetandthrowingobjects.Failuretoobservethe
followingsafetyinstructionscouldresultinserious
injuryordeath.
Training
•Readtheinstructionscarefully.Befamiliarwiththe
controlsandtheproperuseoftheequipment.
•Neverallowchildrenorpeopleunfamiliarwiththese
instructionstousethemower.Localregulationscan
restricttheageoftheoperator.
•Keepinmindthattheoperatororuserisresponsible
foraccidentsorhazardsoccurringtootherpeopleor
theirproperty.
•Understandexplanationsforallpictogramsusedon
themowerorintheinstructions.
Petrol
WARNING-Petrolishighlyammable.Takethe
followingprecautions.
•Storefuelincontainersspecicallydesignedforthis
purpose.
•Refueloutdoorsonlyanddonotsmokewhile
refueling.
•Addfuelbeforestartingtheengine.Neverremove
thecapofthefueltankoradpetrolwhiletheengine
isrunningorwhentheengineishot.
3
•Ifpetrolisspilled,donotattempttostarttheengine
butmovethemowerawayfromtheareaofspillage
andavoidcreatinganysourceofignitionuntilpetrol
vaporshavedissipated.
•Replaceallfueltankandcontainercapssecurely.
Preparation
•Whilemowing,alwayswearsubstantialfootwearand
longtrousers.Donotoperatetheequipmentwhen
barefootorwearingopensandals.
•Thoroughlyinspecttheareawheretheequipmentis
tobeusedandremoveallstones,sticks,wires,bones
andotherforeignobjects.
•Beforeusing,alwaysvisuallyinspecttoseethat
guards,andsafetydevices,suchasdeectorsand/or
grassbags,areinplaceandworkingcorrectly.
•Beforeusing,alwaysvisuallyinspecttoseethatthe
blades,bladeboltsandcutterassemblyarenotworn
ordamaged.Replacewornordamagedbladesand
boltsinsetstopreservebalance.
Starting
•Disengageallbladeanddriveclutchesandputinto
neutralbeforestartingtheengine.
•Donottiltmowerwhenstartingtheengineunless
themowerhastobetiltedforstarting.Inthiscase,
donottiltitmorethanabsolutelynecessaryandlift
onlythepart,whichisawayfromtheoperator.
•Starttheengineorswitchonthemotorcarefully
accordingtoinstructionsandwithfeetwellaway
fromtheblade(s)andnotinfrontofthedischarge
chute.
Operation
•Nevermowwhilepeople,especiallychildren,orpets
arenearby.
•Mowonlyindaylightoringoodarticiallight.
•Avoidoperatingthelawnmowerinwetgrass,where
feasible.
•Stayalertforholesintheterrainandotherhidden
hazards.
•Donotputhandsorfeetnearorunderrotatingparts.
Keepclearofthedischargeopeningatalltimes.
•Neverpickuporcarryalawnmowerwhilethe
engineisrunning.
•Useextremecautionwhenreversingorpullinga
pedestriancontrolledlawnmowertowardsyou.
•Walk,neverrun.
•Slopes:
–Donotmowexcessivelysteepslopes.
–Exerciseextremecautionwhenonslopes.
–Mowacrossthefaceofslopes,neverupand
downandexerciseextremecautionwhen
changingdirectiononslopes.
–Alwaysbesureofyourfootingonslopes.
•Uselowthrottlesettingswhenengagingthe
traction-clutch,especiallyinhighgears.Reduce
speedonslopesandinsharpturnstoprevent
overturningorlossofcontrol.
•Stopthebladeifthelawnmowerhastobetiltedfor
transportationwhencrossingsurfacesotherthan
grassandwhentransportingthelawnmowertoand
fromtheareatobemowed.
•Donotoperatetheengineinaconnedspacewhere
dangerouscarbonmonoxidefumescancollect.
•Stoptheengine
–wheneveryouleavethelawnmower.
–beforerefueling.
–beforeremovingthegrassbag.
–beforemakingheightadjustmentunless
adjustmentcanbemadefromtheoperator’s
position.
•Stoptheengineanddisconnectthespark-plugwire.
–beforeclearingblockagesoruncloggingchute.
–beforechecking,cleaningorworkingonthelawn
mower.
–afterstrikingaforeignobject,inspectthelawn
mowerfordamageandmakerepairsbefore
restartingandoperatingthelawnmower.
–iflawnmowerstartstovibrateabnormally(check
immediately).
•Reducethethrottlesettingduringengineshutdown,
andclosethefuelvalveattheconclusionofmowing.
•Lightningcancausesevereinjuryordeath.Ifyousee
lightningorhearthunderinthearea,donotoperate
themachine;seekshelter.
•Watchoutfortrafcwhencrossingornearroadways.
MaintenanceandStorage
•Keepallnuts,boltsandscrewstighttobesurethe
equipmentisinsafeworkingcondition.
•Donotusepressurecleaningequipmentonmachine.
•Neverstoretheequipmentwithpetrolinthetank
andinsideabuildingwherefumescanreachanopen
ameorspark.
4
•Allowtheenginetocoolbeforestoringinany
enclosure.
•Toreducetherehazard,keeptheengine,silencer,
batterycompartmentandpetrolstoragearefreeof
grass,leaves,orexcessivegrease.
•Checkgrassbagcomponentsandthedischarge
guardfrequentlyandreplacewithmanufacturer’s
recommendedparts,whennecessary.
•Replacewornordamagedpartsforsafety.
•Replacefaultysilencers.
•Ifthefueltankhastobedrained,dothisout-doors.
•Donotchangetheenginegovernorsettingsor
overspeedtheengine.Operatinganengineat
excessivespeedcanincreasethehazardofpersonal
injury.
•Becarefulduringadjustmentofthelawnmowerto
prevententrapmentofthengersbetweenmoving
bladesandxedpartsofthelawnmower.
•Toensurethebestperformanceandsafety,
purchaseonlygenuineHayterreplacement
partsandaccessories.Donotuse
will t
parts
andaccessories;theymaycauseasafetyhazard.
SoundPressure
Thisunithasasoundpressurelevelattheoperator’s
earof87dBA,whichincludesanUncertaintyValue(K)
of1dBA.Thesoundpressurelevelwasdetermined
accordingtotheproceduresoutlinedinEN836.
SoundPower
Thisunithasaguaranteedsoundpowerlevelof98dBA,
whichincludesanUncertaintyValue(K)of1dBA.The
soundpowerlevelwasdeterminedaccordingtothe
proceduresoutlinedinISO11094.
Vibration,Hand/arm
Thisunitdoesnotexceedhand/armvibrationlevelsof
2.5m/s
2
fortherighthandand2.0m/s
2
fortheleft
hand,eachincludinganUncertaintyValue(K)of1.3
m/s
2
.Themeasuredvaluesweredeterminedaccording
totheproceduresoutlinedinEN836.
5
SafetyandInstructionalDecals
Safetydecalsandinstructionsareeasilyvisibletotheoperatorandarelocatednearanyareaof
potentialdanger.Replaceanydecalthatisdamagedorlost.
110-2115
1.ReadtheOperator’sManual.3.Toengagethetractioncontrol,liftthelowerbailupward.
2.Toengagetheblade,rstmovethesafetylatchforwardand
thenpulltheupperbailtotherear.
4.Todisengagetheblade,releasetheupperbail.
110-4978
1.Warning—readtheOperator’sManual.
2.Thrownobjecthazard—keepbystandersasafedistancefromthemachine.
3.Cutting,dismembermenthazardofhandorfoot—stoptheengineandremovethesparkplugwirebeforeperformingany
maintenanceonthemachine.
4.Cutting,dismembermenthazardofhandorfoot—stayawayfrommovingparts.
5.Warning—stoptheenginebeforeleavingthemachine.
112-8760
1.Thrownobjecthazard—keepbystandersasafedistance
fromthemachine.
2.Cutting/dismembermentofhandorfoot—stayawayfrom
movingparts.
98-4387
1.Warning—wearhearingprotection.
110-4977
1.Thrownobjecthazard—donotoperatethemowerwithout
abaginplace.
Manufacturer’sMark
1.Indicatesthebladeisidentiedasapartfromtheoriginal
machinemanufacturer.
6
Setup
LooseParts
Usethechartbelowtoverifythatallpartshavebeenshipped.
ProcedureDescription
Qty.
Use
Handle1
Bolt(5/16x7/8inch)
2
Bolt(5/16x1-1/2inches)
2
Washer4
Locknut(5/16inch)
4
1
Cabletie
3
Installthehandle.
Self-tappingscrew
2
2
Fueltank1
Installthefueltankandfuelline.
3
Nopartsrequired
–
Fillthecrankcasewithoil.
Note:Determinetheleftandrightsidesofthemachine
fromthenormaloperatingposition.
1
InstallingtheHandle
Partsneededforthisprocedure:
1Handle
2
Bolt(5/16x7/8inch)
2
Bolt(5/16x1-1/2inches)
4Washer
4
Locknut(5/16inch)
3
Cabletie
Procedure
1.Mountthehandletothemowerhousingwith2bolts
(5/16x7/8inch),2bolts(5/16x1-1/2inches),4
washers,and4locknuts(Figure3).
Figure3
1.Housing
3.Bolt(5/16x1-1/2inches),
washer,andlocknut
2.Handle
4.Bolt(5/16x7/8inch),
washer,andlocknut
Note:Installthewasherswiththecupsidefacing
thehandle.
Note:Youcanadjustthehandleheightformore
comfortableoperation.Securingthelowerhandle
endintheupperholelowersthehandle;securingthe
lowerhandleendinthelowerholeraisesthehandle.
2.Usethecabletiesprovidedtosecurethecontrol
cablestothehandle.
7
2
InstallingtheFuelTankand
theFuelLine
Partsneededforthisprocedure:
2
Self-tappingscrew
1Fueltank
Procedure
1.Slidetheendofthefuellineontotheelbowtting
(Figure4).
G002527
1
2
3
4
Figure4
1.Fueltank3.Fuelline
2.Elbowtting
4.Fuellineclamp
2.Securethefuellineinplacewiththefuellineclamp
(Figure4).
3.Slidetheplasticclipsonthefrontofthefueltank
ontothefueltankmount(Figure5).
Figure5
1.Plasticclip(2)
4.Securethebottomofthefueltanktothefueltank
bracketbyinstallingtheself-tappingscrewsfromthe
bottom.Torquethescrewsto40to50in-lb(4.5
to5.6N-m).Donotovertightenthescrews.
3
FillingtheCrankcasewithOil
NoPartsRequired
Procedure
Theenginecrankcaseisshippedwithoutoil.Youmust
llitwithapproximately30oz.(0.88L)ofoilbefore
startingtheengine.RefertoCheckingtheEngineOil
LevelintheOperationsectionforoilspecicationsand
instructions.
8
ProductOverview
Figure6
1.Handle
8.Oilll/dipstick(notshown)
2.Bladecontrolbar
9.Airlter
3.Controlbarlock10.Cuttingheightlever
4.Groundspeedcontrol
lever
11.Sparkplug
5.Tractioncontrolbar
12.Oillter
6.Fueltank
13.Grassbag
7.Starterhandle
14.Throttlecontrollever
Controls
Thebladecontrolbar,controlbarlock,groundspeed
controllever,throttlecontrollever,andtractioncontrol
barareontheupperhandleasshowninFigure7.
Figure7
1.Bladecontrolbar4.Throttlecontrollever
2.Controlbarlock
5.Tractioncontrolbar
3.Groundspeedcontrol
lever
ThethrottlesettingsareshowninFigure8.
Figure8
1.Choke3.Slow
2.Fast
4.Stop
Specications
ModelWeightLengthWidthHeight
455E124lb
(56kg)
59in
(149cm)
23in
(57cm)
38in
(97cm)
9
Operation
Note:Determinetheleftandrightsidesofthe
machinefromthenormaloperatingposition.
Eachtimebeforeyoumow,makesurethatthe
self-propeldriveandthebladecontrolbaroperate
properly.Whenyoureleasethebladecontrolbar,the
bladeshouldstop.Ifitdoesnot,contactanAuthorized
ServiceDealer.
Thismachineproducessoundlevelsinexcess
of85dBAattheoperator’searandcancause
hearinglossthroughextendedperiodsof
exposure.
Wearhearingprotectionwhenoperatingthis
machine.
Figure9
1.Warning—wearhearingprotection.
CheckingtheEngineOilLevel
ServiceInterval:Beforeeachuseordaily
Initially,llthecrankcasewith30ounces(0.88liters)
ofoil.Useonlyhigh-qualitySAE30orSAE10W30
weightdetergentoilthathastheAmericanPetroleum
Institute(API)serviceclassicationSF,SG,SH,orSJ.
Beforeeachuse,ensurethattheoillevelisbetweenthe
AddandFullmarksonthedipstick(Figure10).
Figure10
1.Dipstick3.Add
2.Full
Note:Whenthecrankcaseisempty,pourabout3/4
ofthecrankcasecapacityofoilinthecrankcase,then
followtheprocedureinthissection.
1.Movethelawnmowertoalevelsurface.
2.Cleanaroundthedipstick(Figure10).
3.Removethedipstickbyrotatingthecap
counterclockwiseandpullingitout.
4.Wipethedipstickcleanwithacleancloth.
5.Insertthedipstickintothellerneck,butdonot
screwitin.
6.Removethedipstickandreadtheoillevelonthe
dipstick(Figure10).
7.IftheoillevelreadingisbelowtheAddmarkon
thedipstick,slowlypouronlyenoughoilintothe
llerholetoraisetheoilleveltotheFullmarkon
thedipstick.
Important:Donotoverllthecrankcasewith
oilandruntheengine;enginedamagewill
result.Draintheexcessoiluntiltheoillevelon
thedipstickreadsFull.
8.Insertthedipstickintothellerneckandrotatethe
capclockwiseuntilitistight.
10
FillingtheFuelTank
Forbestresults,useclean,fresh,lead-freepetrolwith
anoctaneratingof87orhigher.Toensurefreshness,
purchaseonlythequantityofpetrolthatyouexpectto
usein30days.Usingunleadedpetrolresultsinfewer
combustiondepositsandlongerenginelife.Youmay
useleadedpetrolifunleadedpetrolisnotavailable.
Important:Donotaddoiltothepetrol.
Important:Donotusepetrolthathasbeenstored
sincethelastmowingseasonorlonger.
Whenfueling,undercertaincircumstances,a
staticchargecandevelop,ignitingthepetrol.A
reorexplosionfrompetrolcanburnyouand
othersanddamageproperty.
•Alwaysplacepetrolcontainersonthe
groundandawayfromyourvehiclebefore
lling.
•Donotllpetrolcontainersinsideavehicle
oronatruckortrailerbedbecauseinterior
carpetsorplastictruckbedlinersmay
insulatethecontainerandslowthelossof
anystaticcharge.
•Whenpractical,removepetrol-powered
equipmentfromthetruckortrailerand
refueltheequipmentwithitswheelsonthe
round.
•Ifthisisnotpossible,thenrefuelsuch
equipmentonatruckortrailerfrom
aportablecontainer,notfromapetrol
dispensernozzle.
•Ifyoumustuseapetroldispensernozzle,
keepthenozzleincontactwiththerimof
thefueltankorcontaineropeningatall
timesuntilfuelingiscomplete.
Useafuelstabilizer/conditionerregularlyduring
operationandstorage.Astabilizer/conditionercleans
theengineduringoperationandpreventsgum-like
varnishdepositsfromformingintheengineduring
periodsofstorage.
Important:Donotusefueladditivesotherthan
afuelstabilizer/conditioner.Donotusefuel
stabilizerswithanalcoholbasesuchasethanol,
methanol,orisopropanol.
Incertainconditions,petrolisextremely
ammableandhighlyexplosive.Areor
explosionfrompetrolcanburnyouandothers
andcandamageproperty.
•Fillthefueltankoutdoors,inanopenarea,
andwhentheengineiscold.Wipeupany
petrolthatspills.
•Donotllthefueltankcompletelyfull.Add
petroltothefueltankuntilthelevelis1/4
to1/2in.(6to13mm)belowthebottomof
thellerneck.Thisemptyspaceinthetank
allowsthepetroltoexpand.
•Neversmokewhenhandlingpetrol,andstay
awayfromanopenameorwhereaspark
mayignitethepetrolfumes.
•Storepetrolinanapprovedfuelcontainer
andkeepitoutofthereachofchildren.
•Neverbuymorethana30-daysupplyof
petrol.
1.Cleanaroundthefueltankcap(Figure11).
Figure11
1.Oilll/dipstick
3.Aircleaner
2.Fueltankcap
2.Removethecapfromthetank.
3.Fillthefueltankwithunleadedpetroltowithin1/4
to1/2inch(6to13mm)fromthetopofthetank.
Donotllintothellerneck.
11
Important:Donotllthetankmorethan1/4
inch(6mm)fromthetopofthetankbecause
thepetrolmusthaveroomtoexpand.
4.Installthefueltankcapandwipeupanyspilled
petrol.
StartingtheEngine
1.Connectthewiretothesparkplug(Figure12).
Figure12
1.Spark-plugwire
2.Openthefuelvalve(Figure13)
Figure13
1.Fuelvalve
3.MovethethrottlecontrollevertotheChoke
position(Figure8).
4.MovethegroundspeedcontrollevertotheNeutral
(N)position.
5.Pullthestarterhandlelightlyuntilyoufeel
resistance,thenpullitsharply.
6.Regulatethethrottleandthegroundspeedcontrol
asdesiredwhentheenginestarts.
Note:Iftheenginefailstostartafter3pulls,repeat
steps3through6.
StoppingtheEngine
1.MovethethrottlecontroltotheStopposition.
2.Disconnectthewirefromthesparkplugifyoudo
notusethelawnmowerorleaveitunattended.
OperatingtheBlade
EngagingtheBlade
Whenyoustartyourengine,thebladedoesnotturn.
Youmustengagethebladetomow.
1.Pushthecontrolbarlockforward(Figure14).
Figure14
2.Pullthebladecontrolbartothehandleandhold
it(Figure15).
Figure15
12
DisengagingtheBlade
Releasethebladecontrolbar.
Important:Whenyoureleasethebladecontrol
bar,thebladeshouldstopwithin3seconds.Ifit
doesnotstopproperly,stopusingyourmower
immediatelyandcontactanAuthorizedService
Dealer.
OperatingtheTractionDrive
EngagingtheTractionDrive
1.Releasethetractioncontrolbar(Figure16).
Figure16
2.Movethegroundspeedcontrollevertothedesired
gearposition.
3.Squeezethetractioncontrolbaragainstthehandle
(Figure17).
Figure17
DisengagingtheTractionDrive
Releasethetractioncontrolbar.
CheckingtheBladeBrake
Clutch
Checkthebladecontrolbarbeforeeachusetoensure
thatthebladebrakeclutchsystemisoperatingproperly.
Youcanusethegrassbagtoperformanadditionaltest
tocheckthebladebrakeclutchmechanism:
1.Installtheemptygrassbagonthedischargetunnel.
2.Starttheengine.
3.Pullthebladecontrolbartothenormalblade
engagedposition.Thebagshouldbegintoinate,
indicatingthatthebladeisengagedandrotating.
4.Releasethebladecontrolbail.Ifthebagdoesnot
immediatelydeate,itindicatesthatthebladeisstill
rotating.Thebladebrakeclutchmechanismmay
bedeteriorating,and,ifignored,couldresultinan
unsafeoperatingcondition.Havethelawnmower
inspectedandservicedbyanAuthorizedService
Dealer.
Ifthebladebrakeclutchsystemisinoperative,
thebladewillcontinuetorotatewhenyou
releasethebladecontrolbail.Contactwith
bladecouldoccur,causingseriousinjury.
•Checkthebladebrakeclutchoperation
beforeeachuse.
•Neveruseamowerequippedwithablade
brakeclutchthathasaninoperativesafety
system.
•TakeyourmowertoanAuthorizedService
Dealerforrepairifthesafetysystemfailsto
operateproperly.
AdjustingtheCuttingHeight
Eachwheelisadjustedindividuallywithawheelheight
adjustmentlever.Cuttingheightsare1inch(25mm),
1-1/2inches(38mm),2inches(51mm),2-1/2inches
(64mm),3inches(76mm),and3-1/2inches(89mm),
and4inches(102mm).
13
Adjustingthecuttingheightleverscouldbring
yourhandsintocontactwithamovingblade
andresultinseriousinjury.
•Stoptheengineandwaitforallmovement
tostopbeforeadjustingthecuttingheight.
•Donotputyourngersunderthehousing
whenadjustingthecuttingheight.
1.Pullthewheelheightadjustmentlevertowardthe
wheel(Figure18)andmoveittothedesiredsetting.
Figure18
1.Wheelheightadjustmentlever
2.Releasethewheelheightadjustmentleverandseat
itsecurelyinthenotch.
3.Adjustallthewheelstothesamecuttingheight
setting.
UsingtheGrassBag
InstallingtheGrassBag
1.Waitforallmovingpartstostop.
2.Raiseandholdupthereardoor(Figure19).
Figure19
1.Reardoor
3.Installthebagonthebagmountingposts
(Figure20).
Figure20
1.Bagmountingposts
4.Lowerthereardoor.
RemovingtheGrassBag
Toremovethebag,reversethestepsabove.
Themowercanthrowgrassclippingsandother
objectsthroughanopendischargetunnel.
Objectsthrownwithenoughforcecouldcause
seriouspersonalinjuryordeathtotheoperator
orbystander.
Donotoperatethemowerwithoutagrassbag
installed.
14
MowingwiththeGrassBag
Aworngrassbagcouldallowsmallstones
andothersimilardebristobethrowninthe
operator’sorbystander’sdirectionandresultin
seriouspersonalinjuryordeathtotheoperator
orbystanders.
Checkthegrassbagfrequently.Ifitisdamaged,
installanewHayterreplacementbag.
OperatingTips
GeneralTips
•Maintainasharpbladethroughoutthecutting
season.Periodicallyledownnicksontheblade.
•Replacethebladewhennecessarywithanoriginal
Hayterreplacementblade.
•Mowonlydrygrassorleaves.Wetgrassandleaves
canbuildupandcloginthechuteorcausethe
enginetostall.
Wetgrassorleavescancauseseriousinjuryif
youslipandcontacttheblade.
Mowonlyindryconditions.
•Cleanunderthemowerhousingaftereachmowing.
SeeCleaningundertheMowerHousing.
•Keeptheengineingoodrunningcondition.
•Settheenginespeedtothefastestpositionforthe
bestcuttingresults.
Operatingamowerwithitsenginerunningat
aspeedgreaterthanthefactorysettingcan
causethemowertothrowapartofthebladeor
engineintotheoperator’sorbystander’sarea
andresultinseriouspersonalinjuryordeath.
–Donotchangetheenginespeedsetting.
–Ifyoususpecttheenginespeedisfaster
thannormal,contactanAuthorizedService
Dealer.
•Cleantheairlterfrequently.Mulchingstirsup
moreclippingsanddustwhichclogstheairlter
andreducesengineperformance.
CuttingGrass
•Grassgrowsatdifferentratesatdifferenttimes
oftheyear.Inthesummerheat,itisbesttocut
grassatthe2-1/2inch(64mm),3inch(76mm),
or3-1/2inch(89mm)cuttingheightsettings.Cut
onlyaboutathirdofthegrassbladeatatime.Do
notcutbelowthe2-1/2inch(64mm)settingunless
thegrassissparseoritislatefallwhengrassgrowth
beginstoslowdown.
•Whencuttinggrassover6inches(15cm)tall,rst
mowatthehighestcuttingheightsettingandwalk
slower;thenmowagainatalowersettingforthe
bestlawnappearance.Ifthegrassistoolongand
theleavesclumpontopofthelawn,themowermay
clogandcausetheenginetostall.
•Alternatethemowingdirection.Thishelpsdisperse
theclippingsoverthelawnforevenfertilization.
Ifthenishedlawnappearanceisunsatisfactory,try
oneormoreofthefollowing:
•Sharpentheblade.
•Walkataslowerpacewhilemowing.
•Raisethecuttingheightonyourmower.
•Cutthegrassmorefrequently.
•Overlapcuttingswathsinsteadofcuttingafull
swathwitheachpass.
•Setthecuttingheightonthefrontwheelsonenotch
lowerthantherearwheels.Forexample,setthe
frontwheelsat2-1/2inches(64mm)andtherear
wheelsat3inches(76mm).
CuttingLeaves
•Aftercuttingthelawn,ensurethathalfofthelawn
showsthroughthecutleafcover.Youmayneedto
makemorethanonepassovertheleaves.
15
•Forlightleafcoverage,setallthewheelsatthesame
cuttingheightsetting.
•Iftherearemorethan5inches(12.7cm)ofleaves
onthelawn,setthefrontcuttingheight1or2
notcheshigherthantherearcuttingheight.This
makesiteasiertofeedtheleavesunderthemower
housing.
•Slowdownyourmowingspeedifthemowerdoes
notcuttheleavesnelyenough.
•Ifyoumowoveroakleaves,youcanaddlimeto
thegrassinthespringtoreducetheacidityofthe
oakleaves.
16
Maintenance
Note:Determinetheleftandrightsidesofthemachinefromthenormaloperatingposition.
RecommendedMaintenanceSchedule(s)
MaintenanceService
Interval
MaintenanceProcedure
Aftertherst8hours
•Changetheengineoil.
Beforeeachuseordaily
•Checktheengineoillevel.
•Inspectthemowerbladesforwearordamage.
•Cleanunderthemowerhousing.
Every25hours
•Cleanthefoampre-cleaner(morefrequentlyindustyconditions).
Every50hours
•Changetheengineoil(moreoftenindustyconditions).
•Cleanthebladebrakeclutchshield.
Every100hours
•Lubricatethegearcase.
•Changetheoillter.
•Checkthesparkplug.
Every300hours
•Replacethepaperairlter(morefrequentlyindustyconditions).
Yearly
•Cleanthefuellter.
Important:Refertoyour
Engine Operator’ s Man ual
foradditionalmaintenanceprocedures.
Ifyouleavethewireonthesparkplug,someonecouldaccidentlystarttheengineandseriouslyinjure
youorotherbystanders.
Disconnectthewirefromthesparkplugbeforeyoudoanymaintenance.Setthewireasidesothatit
doesnotaccidentlycontactthesparkplug.
Lubrication
LubricatingthePivotArms
Afterevery50operatinghoursorwhentheseasonends,
lubricatethepivotarms.
1.Movetherearwheelcuttingheightleverstothe
centersetting.
2.Wipethegreasettingswithacleanrag(Figure21).
Figure21
3.Installagreasegunontothettingandgentlyapply2
or3pumpsof#2multi-purposelithiumbasegrease.
Important:Excessivegreasepressuremay
damagetheseals.
17
LubricatingtheGearCase
ServiceInterval:Every100hours
Afterevery100operatinghours,greasethegearcase.
1.Removethegrassbag.
2.Installagreasegunontothettingthroughthebelt
coveropening(Figure22).
Figure22
3.Gentlyapplyoneto2pumpsof#2multi-purpose
lithium-basegrease.
4.Installthegrassbag.
EngineMaintenance
ServicingtheAirFilter
ServiceInterval:Every25hours—Cleanthefoam
pre-cleaner(morefrequentlyindusty
conditions).
Every300hours—Replacethepaper
airlter(morefrequentlyindusty
conditions).
Important:Donotoperatetheenginewithoutthe
airlterassembly;extremeenginedamagewill
occur.
1.Stoptheengineandwaitforallmovingpartstostop.
2.Disconnectthewirefromthesparkplug(Figure12).
3.Removethescrewthatsecurestheaircleanercover
(Figure23).
Figure23
1.Screw3.Paperairlter
2.Cover
4.Removethecoverandcleanitthoroughly(Figure23).
5.Removethepaperairlteranddiscardit(Figure24).
Figure24
1.Paperairlter
2.Foampre-cleaner
Important:Donottrytocleanapaperlter.
18
6.Removethefoampre-cleanerandwashitwitha
milddetergentandwater,thenblotitdry.
7.Saturatethepre-cleanerwithoil,thensqueezeit(do
nottwist)toremovetheexcessoil.
8.Installthefoampre-cleaner.
9.Installthenewpaperairlter.
10.Installthecoverandsecureitwiththescrew.
ChangingtheEngineOil
ServiceInterval:Aftertherst8hours
Every50hours
OilCapacity
Withoillter29ounces(0.85liters)
Withoutoillter22ounces(0.65liters)
Note:Theoilcapacitiesinthetableaboveaccount
fortheemptycrankcasetocontainasmallamountof
residualoil.
1.Runtheenginetowarmtheengineoil.
Note:Warmoilowsbetterandcarriesmore
contaminants.
Oilmaybehotafterenginehasbeenrun,and
contactwithhotoilcancauseseverepersonal
injury.
Avoidcontactingthehotengineoilwhenyou
drainit.
2.Stoptheengineandwaitforallmovingpartstostop.
3.Disconnectthewirefromthesparkplug(Figure12).
4.Placeasuitabledrainpanundertherightsideof
themower.
5.Removethedipstickbyrotatingthecap
counterclockwiseandpullingitout.
6.Tipthemowerontoitsrightsidetodraintheoil
intothedrainpan.
Note:Youcanalsoremovetheoilfromthe
crankcaseusinganoilextractor.
7.Returnthemowertoitsoperatingposition.
8.Insertthedipstickintothellerneckandrotatethe
capclockwiseuntilitistight.
9.Recycletheusedoilaccordingtolocalcodes.
10.FillthecrankcasetotheFulllineonthedipstickwith
freshoil.RefertotheFillingtheCrankcasewithOil.
11.Wipeupanyspilledoil.
ChangingtheOilFilter
ServiceInterval:Every100hours
Replacetheoillter(Figure25)afterevery100operating
hoursoryearly,whichevercomesrst.
Figure25
1.Oillter
2.Fuelline
1.Runtheenginetowarmtheoil.
Oilmaybehotaftertheenginehasbeenrun,
andcontactwithhotoilcancausesevere
personalinjury.
Avoidcontactingthehotengineoilwhenyou
drainit.
2.Stoptheengineandwaitforallmovingpartstostop.
3.Disconnectthewirefromthesparkplug.
4.Draintheengineoil;refertoChangingtheEngine
Oil.
5.Placearagundertheoilltertocatchanyoilthat
mayleakoutasyouremovethelter.
6.Removetheoillter.
7.Useyourngertocoatthegasketonthenewlter
withoil(Figure26).
19
Figure26
1.Gasket
8.Installthenewlterandhandtightenit2/3turn
only.
9.FillthecrankcasetotheFulllineonthedipstickwith
freshoilRefertoFillingtheCrankcasewithOil.
10.Connectthewiretothesparkplug.
11.Runtheengineforabout3minutes.
12.Stoptheengine,waitforallmovingpartstostop,
andcheckforoilleakagearoundthelter.
13.Addoiltocompensatefortheoilintheoillter.
RefertoCheckingtheEngineOilLevel.
14.Recycletheusedoillteraccordingtolocalcodes.
ServicingtheSparkPlug
ServiceInterval:Every100hours—Checkthespark
plug.
UseanNGKBPR5ESsparkplugorequivalent.
1.Stoptheengineandwaitforallmovingpartstostop.
2.Disconnectthewirefromthesparkplug(Figure12).
3.Cleanaroundthesparkplug.
4.Removethesparkplugfromthecylinderhead.
Important:Replaceacracked,fouled,or
dirtysparkplug.Donotcleantheelectrodes
becausegritenteringthecylindercandamage
theengine.
5.Setthegapontheplugto0.030in.(0.76mm)
(Figure27).
Figure27
1.Centerelectrodeinsulator
2.Sideelectrode
3.Airgap(nottoscale)
6.Installthesparkplugandthegasketseal.
7.Torquetheplugto17ft-lb(23N-m).
8.Connectthewiretothesparkplug.
20
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Hayter 21in User manual

Hayter
Brand
Hayter
Model
21in
Category
Lawnmowers
Type
User manual
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