Exmark 850 User manual

Brand: Exmark

Model: 850

Category: Lawnmowers

Type: User manual

QUEST®SPMODELS

ForSerialNos.

850,000&Higher

PartNo.4500-582Rev.A

WARNING

CALIFORNIA

Proposition65Warning

Theengineexhaustfromthisproduct

containschemicalsknowntotheStateof

Californiatocausecancer,birthdefects,or

otherreproductiveharm.

Important:Theengineinthisproductisnot

equippedwithasparkarrestermufer.Itisa

violationofCaliforniaPublicResourceCode

(CPRC)Section4442touseoroperatethis

engineonanyforest-covered,brush-covered,or

grass-coveredlandasdenedinCPRC4126.

Otherstatesorfederalareasmayhavesimilar

laws.

Toacquireasparkarresterforyourunit,seeyour

EngineServiceDealer.

ThissparkignitionsystemcomplieswithCanadian

ICES-002Cesystèmed’allumageparètincellede

vèhiculeestconformeàlanormeNMB-002du

Canada.

TheenclosedEngineOwner’sManualis

suppliedforinformationregardingTheU.S.

EnvironmentalProtectionAgency(EPA)and

theCaliforniaEmissionControlRegulationof

emissionsystems,maintenanceandwarranty.

KeepthisengineOwner’sManualwithyourunit.

ShouldthisengineOwner’sManualbecome

damagedorillegible,replaceimmediately.

Replacementsmaybeorderedthroughthe

enginemanufacturer.

Exmarkreservestherighttomakechangesor

addimprovementstoitsproductsatanytime

withoutincurringanyobligationtomakesuch

changestoproductsmanufacturedpreviously.

Exmark,oritsdistributorsanddealers,accept

noresponsibilityforvariationswhichmaybe

evidentintheactualspecicationsofitsproducts

andthestatementsanddescriptionscontained

inthispublication.

IndustrialParkBox808

Beatrice,NE68310

Contactusatwww.Exmark.com.

PrintedintheUSA

AllRightsReserved

Introduction

CONGRATULATIONSonthepurchaseofyour

ExmarkMower.Thisproducthasbeencarefully

designedandmanufacturedtogiveyouamaximum

amountofdependabilityandyearsoftrouble-free

operation.

Thismanualcontainsoperating,maintenance,

adjustment,andsafetyinstructionsforyourExmark

mower.

BEFOREOPERATINGYOURMOWER,

CAREFULLYREADTHISMANUALINITS

ENTIRETY.

Byfollowingtheoperating,maintenance,andsafety

instructions,youwillprolongthelifeofyourmower,

maintainitsmaximumefciency,andpromotesafe

operation.

Ifadditionalinformationisneeded,orshouldyou

requiretrainedmechanicservice,contactyour

authorizedExmarkequipmentdealerordistributor.

Exmarkpartsmanualsareavailableonlineat

http://www.exmark.com/manuals.htm.

AllExmarkequipmentdealersanddistributorsare

keptinformedofthelatestmethodsofservicing

andareequippedtoprovidepromptandefcient

serviceintheeldorattheirservicestations.They

carryamplestockofservicepartsorcansecurethem

promptlyforyoufromthefactory.

AllExmarkpartsarethoroughlytestedandinspected

beforeleavingthefactory,however,attentionis

requiredonyourpartifyouaretoobtainthefullest

measureofsatisfactionandperformance.

Wheneveryouneedservice,genuineExmarkparts,

oradditionalinformation,contactanAuthorized

ServiceDealerorExmarkCustomerServiceandhave

themodelandserialnumbersofyourproductready.

Figure1identiesthelocationofthemodelandserial

numbersontheproduct.Writethenumbersinthe

spaceprovided.

Figure1

1.Modelandserialnumberlocation

ModelNo.

SerialNo.

Contents

Introduction...........................................................3

Safety.....................................................................5

SafetyAlertSymbol.........................................5

SafeOperatingPractices..................................5

SafetyandInstructionalDecals.....................11

Specications.......................................................16

ModelNumbers............................................16

Systems.........................................................16

Dimensions...................................................17

TorqueRequirements....................................18

ProductOverview................................................18

Operation.............................................................19

Controls........................................................19

Pre-Start........................................................21

OperatingInstructions..................................22

Transporting.................................................26

Maintenance.........................................................28

RecommendedMaintenanceSchedule(s)...........28

PeriodicMaintenance.......................................29

CheckEngineOilLevel.................................29

CheckMowerBlades.....................................30

CheckSafetyInterlockSystem.......................31

CheckRolloverProtectionSystem(Roll

Bar)Knobs................................................32

CheckSeatBelt..............................................32

CheckforLooseHardware............................32

ServiceAirCleaner........................................32

ChangeEngineOilandFilter.........................32

CheckHydraulicOilLevel.............................32

CheckTirePressures.....................................33

CheckConditionOfBelts..............................33

LubricateGreaseFittings...............................33

CheckSparkPlugs.........................................33

ChangeFuelFilter.........................................33

ChangeHydraulicSystemFilterand

Fluid.........................................................33

CheckSparkArrester(ifequipped).................34

ThreadLockingAdhesives.............................35

Copper-BasedAnti-seize..............................35

DielectricGrease...........................................35

Adjustments.....................................................35

DeckLeveling...............................................35

AdjustingtheBladeSlope..............................36

PumpDriveBeltTension...............................37

DeckBeltTension........................................37

AdjustingtheParkingBrake...........................37

MotionControlHandleAdjustment..............38

FullForwardTrackingAdjustment.................39

AdjustingtheSeatRideSuspension................39

ElectricClutchAdjustment............................39

Cleaning...........................................................41

CleanEngineandExhaustSystem

Area..........................................................41

RemoveEngineShroudsandCleanCooling

Fins...........................................................41

CleanHydroFanCoolingFins.......................41

CleanDebrisFromMachine..........................41

CleanGrassBuild-UpUnderDeck................41

WasteDisposal..............................................42

Troubleshooting...................................................43

Schematics...........................................................45

Safety

SafetyAlertSymbol

ThisSafetyAlertSymbol(Figure2)isusedbothin

thismanualandonthemachinetoidentifyimportant

safetymessageswhichmustbefollowedtoavoid

accidents.

Thissymbolmeans:ATTENTION!BECOME

ALERT!YOURSAFETYISINVOLVED!

Figure2

1.Safetyalertsymbol

Thesafetyalertsymbolappearsaboveinformation

whichalertsyoutounsafeactionsorsituations

andwillbefollowedbythewordDANGER,

WARNING,orCAUTION.

DANGER:Whitelettering/Redbackground.

Indicatesanimminentlyhazardoussituationwhich,if

notavoided,Willresultindeathorseriousinjury.

WARNING:Blacklettering/Orangebackground.

Indicatesapotentiallyhazardoussituationwhich,if

notavoided,Couldresultindeathorseriousinjury.

CAUTION:Blacklettering/Yellowbackground.

Indicatesapotentiallyhazardoussituationwhich,if

notavoided,Mayresultinminorormoderateinjury.

Thismanualusestwootherwordstohighlight

information.Importantcallsattentiontospecial

mechanicalinformationandNoteemphasizes

generalinformationworthyofspecialattention.

SafeOperatingPractices

Training

•ReadtheOperator’sManualandothertraining

material.Iftheoperator(s)ormechanic(s)can

notreadEnglishitistheowner’sresponsibilityto

explainthismaterialtothem.

•Becomefamiliarwiththesafeoperationofthe

equipment,operatorcontrols,andsafetysigns.

•Alloperatorsandmechanicsshouldbetrained.

Theownerisresponsiblefortrainingtheusers.

•Neverletchildrenoruntrainedpeopleoperate

orservicetheequipment.Localregulationsmay

restricttheageoftheoperator.

•Onlyadultsandmatureteenagersshouldoperate

amower,andevenmatureteenagersshouldhave

adultsupervision.Besureateenager:

1.hasreadandunderstandstheOperator’s

Manualandrecognizestherisksinvolved;

2.issufcientlymaturetousecaution;and

3.isofsufcientsizeandweighttooperate

thecontrolscomfortablyandtomanagethe

mowerwithouttakingrisks.

•Dataindicatesthatoperators,age60yearsand

above,areinvolvedinalargepercentageofriding

mower-relatedinjuries.Theseoperatorsshould

evaluatetheirabilitytooperatetheridingmower

safelyenoughtoprotectthemselvesandothers

fromseriousinjury.

•Theowner/usercanpreventandisresponsible

foraccidentsorinjuriesoccurringtohimselfor

herself,otherpeopleorproperty.

Preparation

•Evaluatetheterraintodeterminewhataccessories

andattachmentsareneededtoproperlyand

safelyperformthejob.Onlyuseaccessoriesand

attachmentsapprovedbyExmark.

•Wearappropriateclothingincludingsafetyglasses,

substantialfootwear,longtrousers,andhearing

protection.DoNotoperatewhenbarefootor

whenwearingopensandals.Longhair,loose

clothingorjewelrymaygettangledinmoving

parts.

CAUTION

Thismachineproducessoundlevelsin

excessof85dBAattheoperator’searand

cancausehearinglossthroughextended

periodsofexposure.

Wearhearingprotectionwhenoperatingthis

machine.

•Inspecttheareawheretheequipmentistobe

usedandremoveallrocks,toys,sticks,wires,

bones,andotherforeignobjectswhichcanbe

Safety

thrownbythemachineandmaycausepersonal

injurytotheoperatororbystanders.

DANGER

Incertainconditionsgasolineisextremely

ammableandvaporsareexplosive.

Areorexplosionfromgasolinecanburn

you,others,andcausepropertydamage.

•Fillthefueltankoutdoorsonlevel

ground,inanopenarea,whentheengine

iscold.Wipeupanygasolinethatspills.

•Neverrellthefueltankordrainthe

machineindoorsorinsideanenclosed

trailer.

•DoNotllthefueltankcompletelyfull.

Fillthefueltanktothebottomoftheller

neck.Theemptyspaceinthetankallows

gasolinetoexpand.Overllingmayresult

infuelleakageordamagetotheengine

oremissionsystem(ifequipped).

•Neversmokewhenhandlinggasoline,

andstayawayfromanopenameor

wheregasolinefumesmaybeignitedby

spark.

•Storegasolineinanapprovedcontainer

andkeepitoutofthereachofchildren.

•Addfuelbeforestartingtheengine.

Neverremovethecapofthefueltankor

addfuelwhenengineisrunningorwhen

theengineishot.

•Iffuelisspilled,DoNotattempttostart

theengine.Moveawayfromtheareaof

thespillandavoidcreatinganysourceof

ignitionuntilfuelvaporshavedissipated.

•DoNotoperatewithoutentireexhaust

systeminplaceandinproperworking

condition.

DANGER

Incertainconditionsduringfueling,static

electricitycanbereleasedcausingaspark

whichcanignitegasolinevapors.Areor

explosionfromgasolinecanburnyouand

othersandcausepropertydamage.

•Alwaysplacegasolinecontainersonthe

groundawayfromyourvehiclebefore

lling.

•DoNotllgasolinecontainersinsidea

vehicleoronatruckortrailerbedbecause

interiorcarpetsorplastictruckbedliners

mayinsulatethecontainerandslowthe

lossofanystaticcharge.

•Whenpractical,removegas-powered

equipmentfromthetruckortrailerand

refueltheequipmentwithitswheelson

theground.

•Ifthisisnotpossible,thenrefuelsuch

equipmentonatruckortrailerfroma

portablecontainer,ratherthanfroma

gasolinedispensernozzle.

•Ifagasolinedispensernozzlemustbe

used,keepthenozzleincontactwiththe

rimofthefueltankorcontaineropening

atalltimesuntilfuelingiscomplete.

WARNING

Gasolineisharmfulorfatalifswallowed.

Long-termexposuretovaporshascaused

cancerinlaboratoryanimals.Failuretouse

cautionmaycauseseriousinjuryorillness.

•Avoidprolongedbreathingofvapors.

•Keepfaceawayfromnozzleandgas

tank/containeropening.

•Keepawayfromeyesandskin.

•Neversiphonbymouth.

•Iffuelisspilledonclothing,changeclothing

immediately.

•Checkthattheoperator’spresencecontrols,

safetyswitches,andshieldsareattachedand

Safety

functioningproperly.DoNotoperateunlessthey

arefunctioningproperly.

Operation

WARNING

Operatingengineparts,especiallythe

mufer,becomeextremelyhot.Severeburns

canoccuroncontactanddebris,suchas

leaves,grass,brush,etc.cancatchre.

•Allowengineparts,especiallythemufer,

tocoolbeforetouching.

•Removeaccumulateddebrisfrommufer

andenginearea.

•Installandmaintaininworkingordera

sparkarresterbeforeusingequipment

onforest-covered,grass-covered,or

brush-coveredunimprovedland.

WARNING

Engineexhaustcontainscarbonmonoxide,

whichisanodorlessdeadlypoisonthatcan

killyou.

DoNotrunengineindoorsorinasmall

connedareawheredangerouscarbon

monoxidefumescancollect.

•Operateonlyindaylightorgoodarticiallight,

keepingawayfromholesandhiddenhazards.

•Besurealldrivesareinneutralandparkingbrake

isengagedbeforestartingengine.Useseatbelts

withtherollbarintheraisedandlockedposition.

•Neveroperatethemowerwithdamagedguards,

shields,orcovers.Alwayshavesafetyshields,

guards,switchesandotherdevicesinplaceandin

properworkingcondition.

•Nevermowwiththedischargedeectorraised,

removedoralteredunlessthereisagrass

collectionsystemormulchkitinplaceand

workingproperly.

•DoNotchangetheenginegovernorsettingor

overspeedtheengine.

•Stopengine,waitforallmovingpartstostop,

removekeyandengageparkingbrake:

–Beforechecking,cleaningorworkingonthe

mower.

–Afterstrikingaforeignobjectorabnormal

vibrationoccurs(inspectthemowerfor

damageandmakerepairsbeforerestarting

andoperatingthemower).

–Beforeclearingblockages.

–Wheneveryouleavethemower.

•Stopengine,waitforallmovingpartstostop,and

engageparkingbrake:

–Beforerefueling.

–Beforedumpingthegrasscatcher.

WARNING

Hands,feet,hair,clothing,oraccessoriescan

becomeentangledinrotatingparts.Contact

withtherotatingpartscancausetraumatic

amputationorseverelacerations.

•DoNotoperatethemachinewithout

guards,shields,andsafetydevicesin

placeandworkingproperly.

•Keephands,feet,hair,jewelry,orclothing

awayfromrotatingparts.

•NEVERcarrypassengers.DONOToperate

themowerwhenpeople,especiallychildren,or

petsareinthearea.

•Bealert,slowdownandusecautionwhenmaking

turns.Lookbehindandtothesidebefore

changingdirections.DoNotmowinreverse

unlessabsolutelynecessary.

•Stoptheblades,slowdown,andusecautionwhen

crossingsurfacesotherthangrassandwhen

transportingthemowertoandfromtheareato

bemowed.

•Beawareofthemowerdischargepathanddirect

dischargeawayfromothers.

•DoNotoperatethemowerundertheinuence

ofalcoholordrugs.

•Useextremecarewhenloadingorunloadingthe

machineintoatrailerortruck.

•Usecarewhenapproachingblindcorners,shrubs,

trees,orotherobjectsthatmayobscurevision.

•Watchfortrafcwhenoperatingnearorcrossing

roadways.

Safety

SlopeOperation

UseExtremecautionwhenmowingand/orturning

onslopesaslossoftractionand/ortip-overcould

occur.Theoperatorisresponsibleforsafeoperation

onslopes.

DANGER

Operatingonwetgrassorsteepslopescan

causeslidingandlossofcontrol.Wheels

droppingoveredges,ditches,steepbanks,or

watercancauserollovers,whichmayresult

inseriousinjury,deathordrowning.

•DoNotmowslopeswhengrassiswet.

•DoNotmowneardrop-offsornearwater.

•DoNotmowslopesgreaterthan15

degrees.

•Reducespeedanduseextremecaution

onslopes.

•Avoidsuddenturnsorrapidspeed

changes.

•Keeptherollbarintheraisedandlocked

positionanduseseatbelt.

•Seeinsidethebackcovertodeterminethe

approximateslopeangleoftheareatobemowed.

•Useawalkbehindmowerand/orahandtrimmer

neardrop-offs,ditches,steepbanksorwater.

(Figure3).

Figure3

1.SafeZone-Usethemowerhereonslopeslessthan15

degrees

2.DangerZone-Useawalkbehindmowerand/orhand

trimmeronslopesgreaterthan15degrees,near

drop-offsandwater.

3.Water

•Removeormarkobstaclessuchasrocks,tree

limbs,etc.fromthemowingarea.Tallgrasscan

hideobstacles.

•Watchforditches,holes,rocks,dipsandrisesthat

changetheoperatingangle,asroughterraincould

overturnthemachine.

•Avoidsuddenstartswhenmowinguphillbecause

themowermaytipbackwards.

•Beawarethatoperatingonwetgrass,acrosssteep

slopesordownhillmaycausethemowertolose

traction.Lossoftractiontothedrivewheelsmay

resultinslidingandlossofbrakingandsteering.

•Alwaysavoidsuddenstartingorstoppingona

slope.Iftireslosetraction,disengagetheblades

andproceedslowlyofftheslope.

•Followthemanufacturer’srecommendationsfor

wheelweightsorcounterweightstoimprove

stability.

•Useextremecarewithgrasscatchersor

attachments.Thesecanchangethestabilityofthe

machineandcauselossofcontrol.

UsingtheRolloverProtectionSystem

(ROPS)

ARolloverProtectionSystem(rollbar)isinstalled

ontheunit.

Safety

WARNING

Thereisnorolloverprotectionwhentheroll

barisdown.Wheelsdroppingoveredges,

ditches,steepbanks,orwatercancause

rollovers,whichmayresultinseriousinjury,

deathordrowning.

•Keeptherollbarintheraisedandlocked

positionanduseseatbelt.

•Lowertherollbaronlywhenabsolutely

necessary.

•DoNotwearseatbeltwhentherollbar

isdown.

•Driveslowlyandcarefully.

•Raisetherollbarassoonasclearance

permits.

•Checkcarefullyforoverheadclearances(i.e.

branches,doorways,andelectricalwires)before

drivingunderanyobjectsandDoNotcontact

them.

•Intheeventofarollover,taketheunittoan

AuthorizedServiceDealertohavetheROPS

inspected.

Children

•Keepchildrenoutofthemowingareaandunder

thewatchfulcareofanotherresponsibleadult,

nottheoperator.

•Bealertandturnthemachineoffifchildrenenter

thearea.

•Beforeandwhilebackingorchangingdirection,

lookbehind,down,andside-to-sideforsmall

children.

•Nevercarrychildren,evenwiththebladesoff.

Theymayfalloffandbeseriouslyinjuredor

interferewithsafemachineoperation.

•Childrenwhohavebeengivenridesinthepast

maysuddenlyappearinthemowingareafor

anotherrideandberunoverorbackedoverby

themower.

•Neverallowchildrentooperatethemachine.

Towing

•UsefortowingonlyifequippedwithanExmark

hitchkit.DoNotattachtowedequipmentexcept

atthehitchpoint.

•FollowExmark’srecommendationforweight

limitsfortowedequipmentandtowingonslopes.

Thisinformationcanbefoundinthehitchkit

instructionsheetandonthedecal.

•Neverallowchildrenorothersinorontowed

equipment.

•Onslopes,theweightofthetowedequipment

maycauselossoftractionandlossofcontrol.

•Travelslowlyandallowextradistancetostop.

MaintenanceandStorage

•Disengagedrives,lowerimplement,setparking

brake,stopengineandremovekeyordisconnect

sparkplugwire.Waitforallmovementtostop

beforeadjusting,cleaningorrepairing.

•Keepengineandengineareafreefrom

accumulationofgrass,leaves,excessivegrease

oroil,andotherdebriswhichcanaccumulate

intheseareas.Thesematerialscanbecome

combustibleandmayresultinare.

•LetenginecoolbeforestoringandDoNotstore

nearameoranyenclosedareawhereopenpilot

lightsorheatappliancesarepresent.

•Shutofffuelwhilestoringortransporting.Do

Notstorefuelnearamesordrainindoors.

•Parkmachineonlevelground.Neverallow

untrainedpersonneltoservicemachine.

•Usejackstandstosupportcomponentswhen

required.

•Carefullyreleasepressurefromcomponentswith

storedenergy.

•Disconnectbatteryorremovesparkplugwire

beforemakinganyrepairs.Disconnectthe

negativeterminalrstandthepositivelast.

Reconnectpositiverstandnegativelast.

•Usecarewhencheckingblades.Wraptheblade(s)

orweargloves,andusecautionwhenservicing

them.Onlyreplacedamagedblades.Never

straightenorweldthem.

•Keephandsandfeetawayfrommovingparts.

Ifpossible,DoNotmakeadjustmentswiththe

enginerunning.

Safety

•Checkforproperbrakeoperationfrequently.

Adjustandserviceasrequired.

•Chargebatteriesinanopenwellventilatedarea,

awayfromsparkandames.Unplugcharger

beforeconnectingordisconnectingfrombattery.

Wearprotectiveclothinganduseinsulatedtools.

DANGER

Chargingthebatterymayproduceexplosive

gasses.Batterygassescanexplodecausing

seriousinjury.

•Keepsparks,ames,orcigarettesaway

frombattery.

•Ventilatewhenchargingorusingbattery

inanenclosedspace.

•Makesureventingpathofbatteryis

alwaysopenoncebatteryislledwith

acid.

CAUTION

Iftheignitionisinthe“ON”positionthere

ispotentialforsparksandengagement

ofcomponents.Sparkscouldcausean

explosionormovingpartscouldaccidentally

engagecausingpersonalinjury

Besureignitionswitchisinthe“OFF”

positionbeforechargingthebattery.

•Keepallguards,shieldsandallsafetydevicesin

placeandinsafeworkingcondition.

•Checkallboltsfrequentlytomaintainproper

tightness.

•Frequentlycheckforwornordeteriorating

componentsthatcouldcreateahazard.

WARNING

Removingstandardoriginalequipment

parts,orusingnon-Exmarkreplacement

partsandaccessoriesmayalterthewarranty,

traction,andsafetyofthemachine.Failure

touseoriginalExmarkpartscouldcause

seriousinjuryordeath.

Replaceallpartsincluding,butnotlimited

to,tires,belts,andbladeswithoriginal

Exmarkparts.

Safety

SafetyandInstructionalDecals

•Keepallsafetysignslegible.Removeallgrease,

dirtanddebrisfromsafetysignsandinstructional

labels.

•Replaceallworn,damaged,ormissingsafety

signs.

•Whenreplacementcomponentsareinstalled,be

surethatcurrentsafetysignsareafxedtothe

replacedcomponents.

•Ifanattachmentoraccessoryhasbeeninstalled,

makesurecurrentsafetysignsarevisible.

•Newsafetysignsmaybeobtainedfrom

yourauthorizedExmarkequipmentdealeror

distributororfromExmarkMfg.Co.Inc.

•Safetysignsmaybeafxedbypeelingoffthe

backingtoexposetheadhesivesurface.Apply

onlytoaclean,drysurface.Smoothtoremove

anyairbubbles.

•Familiarizeyourselfwiththefollowingsafetysigns

andinstructionlabels.Theyarecriticaltothesafe

operationofyourExmarkcommercialmower.

1-303508

1-403005

1-633922

98-5954

103-2076

Safety

103-3270

107-2102

109-3148

109-6014

109-9173

1.Parkingbrake4.Neutral

2.Fast5.Reverse

3.Slow

6.Machinespeed

109-9182

1.Machinespeed4.Neutral

2.Fast5.Reverse

3.Slow

Safety

112-8651

1.Interval

2.PowerT ake-off(PTO)

3.Parkingbrake

4.Neutral

5.Operatorpresenceswitch

6.Battery

116-1118

1.Heightofcut

116-1119

116-1121

1.Rotatethedriverelease

knobtoloosen,slidethe

knob,andtighten

2.Pushthemachine

116-1496

116-2577

1.Fast

4.Choke-on

2.Continuousvariable

setting

5.Choke-off

3.Slow

117-2718

Safety

PTOSwitchSymbols

1.PTO–disengage2.PTO–engage

109-6016

1.Readtheinstructionsbeforeservicingorperforming

maintenance

4.RefertotheOperator’smanualforgreaseinstructions

2.Timeinterval

5.CheckhydraulicoillevelandrefertotheOperator’s

manualforfurtherinstructions

3.Checkoillevel6.Checktirepressure

Safety

116-2834

Specications

ModelNumbers

SerialNos:850,000andHigher

QSP20BV443;QSP20KAS443;QSP20KAS483;QSP20KAX443;QSP22KAS523

Systems

Engine

•EngineSpecications:SeeyourEngineOwner’s

Manual

•RPM:

–20HPBriggs&Stratton

FullSpeed:3750±50(max)RPM(PTOnot

engaged)Idle:1650(min)RPM

–20HP&22HPKawasaki

FullSpeed:3750±50(max)RPM(PTOnot

engaged)Idle:1550(min)RPM

FuelSystem

•Capacity:4.0gal.(15.1L)

•TypeofFuel:Regularunleadedgasoline,87

octaneorhigher;containingnomorethan10%

methanolorethanol.

•FuelFilter:

Briggs&StrattonP/N691035

KawasakiP/N49019-7005

•FuelShut-OffValve:1/4turnincrements(“ON”,

“OFF”)

ElectricalSystem

•ChargingSystem:FlywheelAlternator

•ChargingCapacity:16amps

•BatteryType:BCIGroupU1

•BatteryVoltage:12Volt

•Polarity:NegativeGround

•Fuses:One25amp,one20amp;one15amp;

one10ampbladetype

•Diode:TVS

SafetyInterlockSystem

•LCDindicatorsappearforthePTO,parkbrake,

drivelevers,andoperatorpresenceinthemessage

displayontheRHcontrolpanel.

•PTOmustbedisengaged,brakeengaged,and

motioncontrolleversout(neutrallock)tostart

engine.(Itisnotnecessaryfortheoperatortobe

intheseattostarttheengine.)

•OperatormustbeinseatwhenPTOisengaged,

brakeisdisengaged,ormotioncontrolleversare

movedinorenginewillstop.

•Enginewillstopifeithertheleft,theright,or

bothleversaremovedfromneutrallockposition

whilebrakeisengaged.

OperatorControls

•SteeringandMotionControl:

Note:Motioncontrolleversareadjustableto

threeheights.

–Separatelevers,oneachsideoftheconsole,

controlspeedanddirectionoftravelofthe

respectivedrivewheels.

–Steeringiscontrolledbyvaryingtheposition

oftheleversrelativetoeachother.

–Movingmotioncontrolleversoutward(in

slots)locksthedrivesysteminneutral.

•PTOEngagementSwitch:Engageselectricclutch

(todrivebelt)whichengagesmowerblades.

•ParkingBrakeLever:Engagesparkingbrake.

•DeckHeightAdjustmentPin:Setscuttingheight

todesiredposition.

•DeckLiftLever:Footpedalthatraisesthedeck.

•TransportLock:Automaticallylatchesatthe

transportposition.

Seat

•Type:Standardseatwithhighback,foampadded

withspringsuspensionandarmrests.

Specications

•Mounting:Hingedtotiltupforaccessto

hydraulicpumps,batteryandothercomponents.

Heldintiltedpositionwithlanyard.Adjustable

foreandaft.

•Armrests:Standard–foampaddedip-up

adjustableheightarmrests.

•SeatSafetySwitch:IncorporatedintotheSafety

InterlockSystem.

HydrostaticGroundDriveSystem

•HydrostaticPumps:TwoHydroGearZT–3100

Integrateddrivesystems.

•HydraulicOilType:ExmarkPremiumHydrooil.

•Speeds:

–0-8mph(13km/hr)forward.

–0-5mph(8km/hr)reverse.

•Drivewheelreleases,locatedonleftandright

sidesofenginedeck,allowmachinetobemoved

whentheengineisnotrunningandbrakeisoff.

Tires&Wheels

Drive

Front

Caster

Pneumatic(Air-Filled)

Pneumatic

(Air-Filled)

DeckSize

44&4852

All

Quantity

222

Tread

TurfMasterTurfMasterSmooth

Size20x7.00-1020x10.00-1013x5.00–6

PlyRating

Pressure

13psi

(90kPa)

13psi

(90kPa)

13psi

(90kPa)

CuttingDeck

•CuttingWidth:

–44inchDeck:44inches(112cm)

–48inchDeck:48inches(122cm)

–52inchDeck:52inches(132cm)

•Discharge:Side

•BladeSize:

–44inchDeck:22.25inches(56.5cm)–(2ea.)

–48inchDeck:16.25inches(41.3cm)–(3ea.)

–52inchDeck:18.00inches(45.7cm)–(3ea.)

•BladeSpindles:Solidsteelspindleswithno

maintenancebearings.

•DeckDrive:Electricclutchmountedonvertical

engineshaft.Bladesaredrivenbyonebelt

(w/self-tensioningidler)directfromtheengine.

•Deck:Fulloatingdeckisattachedtoout-front

supportframe.Maximumturfprotectionis

providedwithanti-scalprollers.

Deckdesignallowsforbagging,mulchingorside

discharge.

•DeckDepth:

–44inchDeck:5.0inches(12.7cm)

–48inchDeck:5.0inches(12.7cm)

–52inchDeck:5.0inches(12.7cm)

•CuttingHeightAdjustment:Afootdeckliftlever

isusedtoadjustthecuttingheightfrom11/2

inch(3.8cm)to5inches(12.7cm)in1/4inch

(6.4mm)increments.

•MulchingKit:Optional.

Dimensions

OverallWidth:

44inch

Deck

48inch

Deck

52inch

Deck

Without

Deck

44.0inches

(112cm)

44.0inches

(112cm)

46.5inches

(118cm)

Deector

48.5inches

(123cm)

51.9inches

(132cm)

56.0inches

(142cm)

Deector

Down

56.7inches

(144cm)

59.9inches

(152cm)

64.6inches

(164cm)

OverallLength:

44inchDeck48inchDeck52inchDeck

78.7inches

(200cm)

77.7inches

(197cm)

77.7inches

(197cm)

OverallHeight:

RollBar-UpRollBar-Down

76.0inches(193cm)45.5inches(116cm)

ProductOverview

TreadWidth:(CentertoCenterof

Tires,Widthwise)

44inch

Deck

48inch

Deck

52inch

Deck

Drive

Wheels

36.0inches

(91cm)

36.0inches

(91cm)

37.2inches

(96cm)

Caster

Wheels

26.7inches

(68cm)

33.5inches

(85cm)

33.5inches

(85cm)

WheelBase:(CenterofCasterTireto

CenterofDriveTire)

44inch48&52inch

49.6inches(126cm)48.9inches(124cm)

CurbWeight:

44inchDeck48inchDeck52inchDeck

805lb(365kg)835lb(379kg)845lb(383kg)

TorqueRequirements

BoltLocation

Torque

SpindlePulleyNut130-160ft-lb(176-217

N-m)

BladeMountingBolt

(lubricatewithanti-seize)

50-60ft-lb(68-81N-m)

EngineMountingBolts

InTappedBosses

27-33ft-lb(37-45N-m)

EngineThroughMounting

Bolts

15-19ft-lb(20-25N-m)

Anti-ScalpRollerNyloc

Nut

27-33ft-lb(37-45N-m)

WheelLugNuts

70-90ft-lb(95-122N-m)

ClutchMountingBolt

(securedwiththreadlocker)

50-60ft-lb(68-81N-m)

DeckLiftFlangeBearing

Bolts

40-60in-lb(4.5-7.0N-m)

RolloverProtectionSystem

(RollBar)FrameMounting

Nuts

67-83ft-lb(91-112N-m)

RolloverProtectionSystem

(RollBar)Anti-Rack

MountingBolts

175-225in-lb(20-25N-m)

ProductOverview

Figure4

1.RolloverProtection

System(ROPS)

4.Motioncontrollevers

2.EngineControls(right

console)

5.Parkingbrake

3.Seatbelt6.Heightofcutadjustment

Operation

Note:Determinetheleftandrightsidesofthe

machinefromthenormaloperatingposition.

Controls

MotionControlLevers

Themotioncontrolleverslocatedoneachsideof

theconsolecontroltheforwardandreversemotion

ofthemachine.

Movingtheleversforwardorbackwardturns

thewheelonthesamesideforwardorreverse

respectively.Wheelspeedisproportionaltothe

amounttheleverismoved.

Movingtheleversoutwardfromthecenterposition

intotheT-slotlocksthemintheneutralposition

(Figure5).

Figure5

1.Neutrallockposition

(handlesout)

4.Forward

2.Neutraloperateposition

(handlesin)

5.Neutral(operate)

3.FrontofUnit

6.Reverse

ChokeControl

Locatedonrightconsole(blacklever)(seeFigure6).

Thechokeisusedtoaidinstartingacoldengine.

Movingthechokeleverforwardwillputthechokein

the“ON”positionandmovingthechokelevertothe

rear,tothedetent,willputthechokeinthe“OFF”

position.DoNotrunawarmenginewithchokein

the“ON”position.

Figure6

1.Throttlelever4.Bladecontrolswitch

(powertake-off)

2.Chokelever

5.Ignitionswitch

3.Hourmeter

ThrottleControl

Locatedonrightconsole(redlever)(seeFigure6).

Thethrottleisusedtocontrolenginespeed.Moving

thethrottleleverforwardwillincreaseenginespeed

andmovingthethrottlelevertotherearwilldecrease

enginespeed.Movingthethrottleforwardintothe

detentisfullthrottle.

BrakeLever

Locatedonleftsideofunit,justtothefrontofthe

LHmotioncontrollever.

Thebrakeleverengagesaparkingbrakeonthedrive

wheels.

Pulltheleverupandrearwardtoengagethebrake.

Pushtheleverforwardanddowntodisengagethe

brake.

Theunitmustbetieddownandbrakeengagedwhen

transporting.

IgnitionSwitch

Locatedonrightconsole(seeFigure6).

Operation

Theignitionswitchisusedtostartandstopthe

engine.Theswitchhasthreepositions“OFF”,“ON”

and“START”.Insertkeyintoswitchandrotate

clockwisetothe“ON”position.Rotateclockwiseto

thenextpositiontoengagethestarter(keymustbe

heldagainstspringpressureinthisposition).Allow

thekeytoreturntothe“on”positionimmediately

aftertheenginestarts.

Figure7

1.Off3.Start

2.On

Note:Brakemustbeengaged,motioncontrol

leversout(neutrallockposition)andPTOswitch

disengagedtostartengine.(Itisnotnecessaryforthe

operatortobeintheseattostarttheengine.)

HourMeter

Locatedonthecontrolpanel(seeFigure6and

Figure8).

Thehourmeterrecordsthenumberofhoursthat

theenginehasrun.

Figure8

1.LCDindicators3.Hour/Voltagedisplay

2.Lowvoltageindicator

light

FuelShut-OffValve

Locatedbehindandbelowtheseat.

Thefuelshut-offvalveisusedtoshutoffthefuel

whenthemachinewillnotbeusedforafewdays,

duringtransporttoandfromthejobsite,andwhen

parkedinsideabuilding.

Alignvalvehandlewiththefuellinetoopen.Rotate

90°toclose.

DriveWheelReleaseValves

WARNING

Handsmaybecomeentangledintherotating

drivecomponentsbelowtheenginedeck,

whichcouldresultinseriousinjuryordeath.

Stopengine,removekey,allowallthemoving

partstostopbeforeaccessingthedrivewheel

releasevalves.

WARNING

Theengineandhydraulicdriveunitscan

becomeveryhot.Touchingahotengineor

hydraulicdriveunitscancausesevereburns.

Allowtheengineandhydraulicdriveunitsto

coolcompletelybeforeaccessingthedrive

wheelreleasevalves.

Locatedoneithersideoftheenginedeck.

Duringnormaloperatingconditions,thedrivewheel

releasevalvesarepositionedhorizontally.Ifthe

machinehastobepushedbyhand,thevalvesmust

beinthe“released”position(seeFigure9).

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Exmark 850 User manual

Brand: Exmark

Model: 850

Category: Lawnmowers

Type: User manual

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Exmark 850 User manual

Exmark 850 User manual

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