Exmark Navigator User manual

Brand: Exmark

Model: Navigator

Category: Lawnmowers

Type: User manual

ForSerialNos.

720,000&Higher

NAVIGATOR®

PlaceModelNo.andSerialNo.

LabelHere(IncludedintheLiterature

Pack)orFillinBelow

DatePurchased

EngineModelNo.andSpec.No.

ModelNo.EngineSerialNo.(E/No)

SerialNo.

PartNo.4500-212Rev.A

WARNING

CALIFORNIA

Proposition65Warning

Theengineexhaustfromthisproduct

containschemicalsknowntotheStateof

Californiatocausecancer,birthdefects,or

otherreproductiveharm.

Important:Whenthemowerisusedoroperated

onanyCaliforniaforest,brushorgrasscovered

land,aworkingsparkarrestermustbeattached

tothemufer.Ifnot,theoperatorisviolating

statelaw,Section4442PublicResourceCode.To

acquireasparkarresterforyourunit,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

EXMARK PARTS PLUS

PROGRAM

EFFECTIVE DATE: September 1, 1995

Program

If your Exmark dealer does not have the Exmark part in stock, Exmark will

get the parts to the dealer the next business day or the part will be FREE*

Guaranteed!!

How the Program Works

1. If dealer does not have part in stock for a "down" unit at the time of request by customer, the dealer contacts his distributor

by 1:00 p.m., local time, and requests Exmark Parts Plus

shipment of six (6) line items or less.

2. Distributor ships part(s) to dealer or customer, as requested by dealer, same day, overnight UPS Distributor bills dealer for

part and freight charges where applicable.

3. If distributor does not have the part(s) in stock to satisfy Exmark Parts Plus

order, he contacts Exmark by 3:00 p.m., central

time, with an Exmark Parts Plus

order of six (6) line items or less.

4. If order is received by 3:00 p.m. central time, Exmark ships part(s) direct to dealer or customer, as requested by distributor,

same day, overnight UPS, Exmark bills the distributor for parts and shipping charges, where applicable.

5. The customer pays for the part and freight if it is shipped under the Exmark Parts Plus

and if it arrives in accordance to the

program.

6. Who pays for the part and freight if it fails to arrive overnight in accordance to the program?

A. Under any circumstance the customer does not pay.

B. If the part does not arrive overnight due to:

1. The dealer not submitting the Exmark Parts Plus

order to his Exmark distributor by 1:00 p.m., the dealer

pays for the part and freight.

2. The Distributor being unable to ship the part the same day or not submitting the Exmark Parts Plus

order

to Exmark by 3:00 p.m., central time, the Distributor pays for the part and freight.

3. Exmark being unable to ship the part and the Exmark parts order is received by 3:00 p.m., central time,

Exmark pays for the part and freight.

4. If the part does not arrive overnight due to the shipper (UPS), the shipper pays for the freight and Exmark

pays for the part.

* The following restrictions apply -- The Exmark Parts Plus

Program is available only through participating Exmark

Dealers and applies only to orders submitted on this program Monday through Thursday. Parts Plus service is available only in

the 48 contiguous United States. UPS has initiated a Saturday delivery program to many areas of the continental United States

and can be requested for an overnight shipment on Friday to be delivered Saturday. The next day air charge, plus the Saturday

delivery fee will be the responsibility of the purchaser. Exmark Mfg. will assume no responsibility for Saturday delivery

shipments. To qualify, all Exmark Parts Plus

orders must be received by Exmark by 3:00 p.m., central time. Orders must be

six (6) line items or less. Exclusions from the Exmark Parts Plus

Program are: Any wholegood or accessory in its entirety,

engines and engine replacement parts, 5-speed Peerless transmissions and 5-speed transaxles, hydraulic or hydrostatic wheel

motors, cutter decks and engine decks or any item exceeding United Parcel Service size and weight restrictions.

Due to UPS restrictions, aerosol spray paint is considered a hazardous material and cannot be shipped via UPS next day or

Second Day Air.

Exmark Manufacturing stocks a limited supply of parts for transaxles, pumps and wheel motors. These parts can be ordered

for Next Day Air shipment but will not be guaranteed per the Parts Plus Program.

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.

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...........................................................4

Safety.....................................................................6

SafetyAlertSymbol.........................................6

SafeOperatingPractices..................................6

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

Specications.......................................................14

ModelNumbers............................................14

Systems.........................................................14

Dimensions...................................................15

TorqueRequirements....................................16

ProductOverview................................................16

Operation.............................................................17

Controls........................................................17

Pre-Start........................................................18

OperatingInstructions..................................18

Transporting.................................................20

Maintenance.........................................................22

RecommendedMaintenanceSchedule(s)...........22

PeriodicMaintenance.......................................23

CheckEngineOilLevel.................................23

CheckBatteryCharge....................................23

CheckSafetyInterlockSystem.......................24

CheckforLooseHardware............................24

ServiceAirCleaner........................................24

ChangeEngineOil........................................24

CheckHydraulicOilLevel.............................25

CheckTirePressures.....................................25

CheckConditionOfBelts..............................25

LubricateGreaseFittings...............................25

LubricateRearCasterWheelHubs.................26

LubricateBrakeHandlePivot........................27

LubricateBrakeRodBushings.......................27

LubricateSteeringLinkageRodEnds.............27

LubricateHopperActuator............................27

CheckSparkPlugs.........................................27

ChangeHydraulicSystemFilter.....................28

CheckWheelHubLocknuts..........................28

CheckWheelLugNuts..................................28

ThreadLockingAdhesives.............................28

DielectricGrease...........................................28

Adjustments.....................................................29

PTODriveBeltTension................................29

PumpDriveBeltTension...............................29

PTOBeltReplacement..................................29

PumpDriveBeltReplacement......................29

BeltGuideAdjustment..................................30

AdjustSafetySwitch......................................30

BrakeAdjustment..........................................30

AdjustSpeedControlLeverTension..............31

SpeedControlLinkageAdjustment................31

SteeringControlLeverResponse

Adjustment...............................................33

TrackingAdjustment.....................................33

PTODrivePulleyAlignment.........................33

PumpDrivePulleyAlignment........................34

RearCasterPivotBearingsPre-Load

Adjustment...............................................34

HopperDoorAdjustment.............................34

PTOBrakeSpringAdjustment......................35

Cleaning...........................................................35

RemoveAccumulatedDebrisfrom

Engine......................................................35

RemoveEngineShroudsandCleanCooling

Fins...........................................................35

WasteDisposal..............................................36

Troubleshooting...................................................37

Schematics...........................................................39

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.

•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

thrownbythemachineandmaycausepersonal

injurytotheoperatororbystanders.

Safety

DANGER

Incertainconditionsgasolineisextremely

ammableandvaporsareexplosive.

Areorexplosionfromgasolinecanburn

you,others,andcausepropertydamage.

•Fillthefueltankoutdoorsinanopen

area,whentheengineiscold.Wipeup

anygasolinethatspills.

•Neverrellthefueltankordrainthe

machineindoorsorinsideanenclosed

trailer.

•DoNotllthefueltankcompletely

full.Addgasolinetothefueltankuntil

thelevelis1/4to1/2inch(6–13mm)

belowthebottomofthellerneck.This

emptyspaceinthetankallowsgasoline

toexpand.

•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.

Safety

•Checkthattheoperator’spresencecontrols,

safetyswitches,andshieldsareattachedand

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.

WARNING

OperatingaNavigatortractorwithoutan

approvedExmarkfrontmountattachment

increasesthepossibilityofoperator

entanglementindrivewheelsorforwardtip

over.Entanglementortip-overcouldcause

seriousinjuryordeath.

WhenoperatingaNavigatortractor

withoutanapprovedExmarkfrontmount

attachment,observethefollowing:

•Keepfeetandclothingawayfromtires.

•Limitoperationtominimumrequiredto

installadifferentfrontmountattachment.

•Minimizespeedanduseextremecaution.

•Onlyoperateonaatlevelsurface.

•Donotoperateupordownatrailerramp.

•Avoidsuddenaccelerationordeceleration.

•Operateonlyindaylightorgoodarticiallight,

keepingawayfromholesandhiddenhazards.

•Besurealldrivesareinneutralandparkingbrake

isengagedbeforestartingengine.

•Neverraisedeckwithbladesrunning.

•Neveroperatethemowerwithdamagedguards,

shields,orcovers.Alwayshavesafetyshields,

guards,switchesandotherdevicesinplaceandin

properworkingcondition.

•Nevermowunlessthereisagrasscollection

systemormulchkitinplaceandworkingproperly.

•DoNotchangetheenginegovernorsettingor

overspeedtheengine.

•Stopengine,waitforallmovingpartstostop,

removekeyandengageparkingbrake:

–Beforechecking,cleaningorworkingonthe

mower.

–Afterstrikingaforeignobjectorabnormal

vibrationoccurs(inspectthemowerfor

damageandmakerepairsbeforerestarting

andoperatingthemower).

–Beforeclearingblockages.

–Wheneveryouleavethemower.

Safety

•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.

•Stoptheblades,slowdown,andusecautionwhen

crossingsurfacesotherthangrassandwhen

transportingthemowertoandfromtheareato

bemowed.

•Beawareofthemowerdischargepathanddirect

dischargeawayfromothers.

•DoNotoperatethemowerundertheinuence

ofalcoholordrugs.

•Useextremecarewhenloadingorunloadingthe

machineintoatrailerortruck.

•Usecarewhenapproachingblindcorners,shrubs,

trees,orotherobjectsthatmayobscurevision.

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.

•Seeinsidethebackcovertodeterminethe

approximateslopeangleoftheareatobemowed.

•Useawalkbehindmowerand/orahandtrimmer

neardrop-offs,ditches,steepbanksorwater.

(Figure3).

Figure3

1.SafeZone-Usethemowerhereonslopeslessthan15

degrees

2.DangerZone-Useawalkbehindmowerand/orhand

trimmerneardrop-offsandwater.

3.Water

•Removeormarkobstaclessuchasrocks,tree

limbs,etc.fromthemowingarea.Tallgrasscan

hideobstacles.

•Watchforditches,holes,rocks,dipsandrisesthat

changetheoperatingangle,asroughterraincould

overturnthemachine.

Safety

•Avoidsuddenstartswhenmowingdownhill.

Mowermaytipforwards.

•Beawarethatlossoftractionmayoccurgoing

uphill.Weighttransfertotherearwheelmay

causedrivewheelstoslipandcauselossof

brakingandsteering.

•Alwaysavoidsuddenstartingorstoppingona

slope.Iftireslosetraction,disengagetheblades

andproceedslowlyofftheslope.

•Followthemanufacturer’srecommendationsfor

wheelweightsorcounterweightstoimprove

stability.

•Useextremecarewithattachments.Thesecan

changethestabilityofthemachineandcauseloss

ofcontrol.

MaintenanceandStorage

•Disengagedrives,lowerimplement,setparking

brake,stopengineandremovekeyordisconnect

sparkplugwire.Waitforallmovementtostop

beforeadjusting,cleaningorrepairing.

•Keepengine,enginearea,andpumpdrivebelt

compartmentfreefromaccumulationofgrass,

leaves,excessivegreaseoroil,andotherdebris

whichcanaccumulateintheseareas.These

materialscanbecomecombustibleandmayresult

ina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.Onlyreplaceblades.Neverstraightenor

weldthem.

•Keephandsandfeetawayfrommovingparts.

Ifpossible,donotmakeadjustmentswiththe

enginerunning.

•Chargebatteriesinanopenwellventilatedarea,

awayfromsparkandames.Unplugcharger

beforeconnectingordisconnectingfrombattery.

Wearprotectiveclothinganduseinsulatedtools.

•Keepallguards,shieldsandallsafetydevicesin

placeandinsafeworkingcondition.

•Checkallboltsfrequentlytomaintainproper

tightness.

•Frequentlycheckforwornordeteriorating

componentsthatcouldcreateahazard.

•Allreplacementpartsmustbethesameas

orequivalenttothepartssuppliedasoriginal

equipment.

WARNING

Hydraulicuidescapingunderpressure

canpenetrateskinandcauseinjury.Fluid

accidentallyinjectedintotheskinmustbe

surgicallyremovedwithinafewhoursbya

doctorfamiliarwiththisformofinjuryor

gangrenemayresult.

•Makesureallhydraulicuidhoses

andlinesareingoodconditionand

allhydraulicconnectionsandttings

aretightbeforeapplyingpressureto

hydraulicsystem.

•Keepbodyandhandsawayfrompinhole

leaksornozzlesthatejecthighpressure

hydraulicuid.

•Usecardboardorpaper,notyourhands,

tondhydraulicleaks.

•Safelyrelieveallpressureinthehydraulic

systembyplacingthemotioncontrol

leversinneutralandshuttingoffthe

enginebeforeperforminganyworkon

thehydraulicsystem.

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.

1–513747

1–523552

65–2690

98–4361

98–5954

103–8425

103–8444

103–8451

103–8495

Safety

103–8611

103–9032

103–9034

103–9724

109–4273

Safety

109–4638

109–7318

MoldedinLHConsole

MoldedintoFrontofHopper

Specications

ModelNumbers

SerialNos:720,000andHigher

NAV20KC;NAV27KC

Systems

Engine

•EngineSpecications:SeeyourEngineOwner’s

Manual

•RPM:FullSpeed:3600±50RPM(NoLoad)

Idle:1500RPM

FuelSystem

•Capacity:7.5gal.(28L)

•TypeofFuel:Regularunleadedgasoline,87

octaneorhigher.

•FuelFilter:In-line30MicronKohlerP/N

2405010.

•FuelShut-OffValve:1/4turnincrementsin-line

valvebyfuellter.

ElectricalSystem

•ChargingSystem:FlywheelAlternator

•ChargingCapacity:15amps

•BatteryType:BCIGroupU1

•BatteryVoltage:12Volt

•Polarity:NegativeGround

•Fuses:Two20ampandone30ampbladetype

•SafetyInterlockSystem:

–PTOmustbedisengaged,brakeengaged,and

speedcontrolleverinneutralpositiontostart

engine.(Itisnotnecessaryfortheoperatorto

beintheseattostarttheengine.)

–OperatormustbeinseatwhenPTOis

engaged,brakeisdisengaged,orspeedcontrol

leverismovedoutofneutralorenginewill

stop.

–Enginewillstopinthefollowingconditions:

◊Ifthespeedcontrolleverismovedfrom

neutralpositionwhilebrakeisengaged.

◊IfthePTOisengagedwhilethehopper

istiltedup.

OperatorControls

•SteeringandMotionControl:

–SpeedControllever,locatedonRHconsole,

setsmaximumforwardspeed.

–Steeringlevers,centeredinfrontoftheseat,

controlthespeedanddirectionoftravelof

therespectivedrivewheels.

–Movingspeedcontrolleverrearwardtothe

neutralpositionplacesthedrivesystemin

neutral.

Note:Theunitmaybemovedinreverse

whilethespeedcontrolisintheneutral

positionbypullingbackonthesteeringlevers.

•PTOEngagementLever:EngagesdrivetoPTO

(mowerdeck)andblower.

•ParkingBrakeLever:Pullbacktoengageparking

brake.

Seat

•Type:Standardseatwithhighback,foampadded

(internalsuspension).

•Mounting:Seatishingedtotiltupforaccessto

hydraulicpumpsandothercomponents.Theseat

isheldinthetiltedpositionwithalink.

•Armrests:None.

•SeatSafetySwitch:Internaltothebottomseat

cushion,nonserviceable.Timedelaymodule

incorporatedintotheSafetyInterlockSystem

eliminatesroughgroundcut-outs.

HydrostaticGroundDriveSystem

•HydrostaticPumps:TwoHydroGearvariable

displacementpistonpumps.

•WheelMotors:HydroGearplanetaryreduction

motors.

•HydraulicOilType:UseMobil115W-50

Syntheticmotoroil.

•HydraulicOilCapacity:4.0qt.(3.8L)

Specications

•HydraulicFilter:Replaceablecartridgetype.

–Summeruseabove32°F(0°C):

P/N109-0071:25microns,10psibypass

–Winterusebelow32°F(0°C):

P/N1-523541:40microns,18psibypass

•Speeds:

–0-7.0mph(11.3km/hr)forward.

–0-5.5mph(8.6km/hr)reverse.

•Drivewheelreleasevalvesallowmachinetobe

movedwhenengineisnotrunning.

Tires&Wheels

Drive

Front

Caster

RearCaster

Pneumatic

(Air-Filled)

Semi-

Pneumatic

Semi-

Pneumatic

Quantity

221

Tread

“Multi-Trac

C/S”

SmoothSmooth

Size

18x

10.50-10

8x3.00-413x8.00-6

PlyRating

Pressure

15psi(103

kPa)

CuttingDeck

(Soldseparately)

•ModelNumbers:

–CD42CD

–CD48CD

•CuttingWidth:

–42inchDeck:42inch(106.7cm)

–48inchDeck:48inch(121.9cm)

•Discharge:Center

•BladeSize:(2ea.)

–w/42inchDeck:22.00inches(55.9cm)

–w/48inchDeck:25.00inches(63.5cm)

•DeckDrive:

–Clutchingbeltonhorizontalengineshaft.

Dual“ A”sectionhexagonbeltwithspring

tensionedidlertojackshaftandblower.

–Heavy-dutycastiron,spiralbevelgearboxis

naldrivetoblades.

•Deck:

Fulloatingdeckisattachedtoout-frontsupport

frame.Deckdesignallowsforbaggingor

mulching.

•DeckDepth:

–42inchDeck:45/8inches(11.7cm)

–48inchDeck:45/8inches(11.7cm)

Dimensions

OverallWidth:

WithoutDeck42inchDeck48inchDeck

42.6inches

(108.2cm)

43.2inches

(109.7cm)

49.2inches

(125.0cm)

OverallLength:

WithoutDeck42inchDeck48inchDeck

67.3inches

(170.9cm)

91.8inches

(233.2cm)

94.5inches

(240.0cm)

OverallHeight:

WithoutDeck42inchDeck48inchDeck

51.2inches

(130.0cm)

51.2inches

(130.0cm)

51.2inches

(130.0cm)

TreadWidth:(CentertoCenterof

Tires,Widthwise)

42inchDeck48inchDeck

DriveWheels32.7inches

(83.1cm)

32.7inches

(83.1cm)

WheelBase:(CenterofDriveWheel

toCenterofRearCasterWheel)

42inchDeck48inchDeck

44.2inches(112.3cm)44.2inches(112.3cm)

ProductOverview

CurbWeight:

42inchDeck48inchDeck

W/72inch

Deck

850lb(386kg)1145lb(519kg)1170lb(531kg)

TorqueRequirements

BoltLocation

Torque

BladeMountingBolt85-110ft-lb(115-149N-m)

EngineMountingBolts

30-35ft-lb(41-47N-m)

WheelLugNuts

90-95ft-lb(122-129N-m)

WheelMotorMounting

Bolts

72-77ft-lb(98-104N-m)

WheelHubLocknut210-250ft-lb

(285-339N-m)

ProductOverview

Figure4

1.SpeedControlLever4.SteeringLevers

2.Controls5.PTOEngagementLever

3.FuelCap

6.ParkingBrakeLever

Operation

Note:Determinetheleftandrightsidesofthe

machinefromthenormaloperatingposition.

Controls

SteeringLevers

Locatedinthecenterinfrontoftheseat.

Pullingbackonthesteeringlevers,progressively

slows,thenreversesthedirectionoftravelofthe

respectivedrivewheels.

Bymovingbothsteeringleversanequalamountback,

themachinecanbesloweddownortravelbackward

inastraightline.

Steeringiscontrolledbyvaryingthepositionofthe

steeringleversrelativetoeachother.

SpeedControlLever

Locatedonrighthandconsole.

Thespeedcontrolleversetsmaximumforwardspeed.

Movingspeedcontrolleverrearwardtotheneutral

positionplacesthedrivesysteminneutral.

ChokeControl

Locatedonrighthandconsole.

Thechokeisusedtoaidinstartingacoldengine.

Movingthechokeleverforwardwillputthechokein

the“ON”positionandmovingthechokelevertothe

rearwillputthechokeinthe“OFF”position.DO

NOTrunawarmenginewithchokeinthe“ON”

position.

ThrottleControl

Locatedonrighthandconsole.

Thethrottleisusedtocontrolenginespeed.Moving

throttleleverforwardwillincreaseenginespeedand

movingthrottlelevertotherearwilldecreaseengine

speed.

BrakeLever

Locatedonleftsideofunit,betweentheseatand

console.

Thebrakeleverengagesaparkingbrakeonthedrive

wheels.

Pulltheleverupandrearwardtoengagethebrake.

Pushtheleverforwardanddowntodisengagethe

brake.

Theunitmustbetieddownandbrakeengagedwhen

transporting.

IgnitionSwitch

Locatedontherighthandconsole.

Theignitionswitchisusedtostartandstopthe

engine.Theswitchhasthreepositions“OFF”,“ON”

and“START”.Insertkeyintoswitchandrotate

clockwisetothe“ON”position.Rotateclockwiseto

thenextpositiontoengagethestarter(keymustbe

heldagainstspringpressureinthisposition).

Note:Brakemustbeengaged,speedcontrollever

rearward(neutralposition)andPTOdisengagedto

startengine.(Itisnotnecessaryfortheoperatorto

beintheseattostarttheengine.)

HourMeter

Locatedontherighthandconsole.

Thehourmeterisconnectedtoapressureswitch

installedintheengineblockanditrecordsthe

numberofhoursthattheenginehasrun.Ifthe

ignitionswitchisleftonwithoutenginerunning,

hourmeterwillnotrun.

Note:Thisswitchisnotalowoilsensorandwillnot

alerttheoperatoriftheengineoilislow.

FuelShut-OffValve

Locatedinfuellinebyfueltankandfuellter

(accessiblebyraisingthehopper).

Thefuelshut-offvalveisusedtoshutoffthefuel

whenthemachinewillnotbeusedforafewdays,

duringtransporttoandfromthejobsite,andwhen

parkedinsideabuilding.

Rotatethevalve1/4turnclockwisetoshutoffthe

fuel.rotatethevalve1/4turncounterclockwiseto

turnonthefuel.

Operation

DriveWheelReleaseValves

Locatedonthetopleftfrontcornerofhydrostatic

pumps.

Drivewheelreleasevalvesareusedtoreleasethe

hydrostaticdrivesystemtoallowthemachinetobe

pushedwithouttheenginerunning.Tiltseatupto

gainaccesstopumps.

Witha7/16wrench,turnbothvalvesoneturn

counterclockwisetoreleasedrivesystem.Turn

clockwisetoresetsystem.DoNotovertighten.Do

Nottowmachine.

TrackingAdjustmentKnob

Locatedundertheseatontheleftpumpcontrollink.

Rotatingthisknoballowsnetuningadjustmentsso

thatthemachinetracksstraightwiththedrivelevers

inthefullforwardposition.

Rununitat3/4speedforatleast5minutesto

bringhydraulicoiluptooperatingtemperature.

Stopmachineandwaitforallmovingpartstostop.

Engageparkbrake.Tiltseatforwardtogainaccess

tothetrackingknob.Rotatetheknobtowardsthe

righttosteerrightandrotatetowardstheleftto

steerleft.Adjustin1/8turnincrementsuntilthe

machinetracksstraight.Checkthatthemachine

doesnotcreepwheninneutralwiththeparkbrakes

disengaged.

Important:DoNotrotatetheknobtoofar,as

thismaycausethemachinetocreepinneutral.

RefertotheMotionControlLinkageAdjustment

sectioninMaintenance.

PTOEngagementLever

Locatedimmediatelyleftoftheleftconsole.

Levermustbemoveduptothe“ROTATE”position

toengagethePTOandblowerdrives.Leverismoved

downtothe“STOP”positiontostopthedrives.

EngineOilTemperatureLightand

Buzzer

Locatedontherightconsole.

Theengineoiltemperaturelightmonitorsthe

temperatureoftheengineoil.Anilluminatedengine

oiltemperaturelightandintermittentbuzzingsound

signalstheengineisoverheating.

Pre-Start

Fillfueltanks.Forbestresultsuseonlyclean,fresh

regulargradeunleadedgasolinewithanoctanerating

of87orhigher.Regulargradeleadedgasolinemay

alsobeused;however,combustionchamberand

cylinderheadwillrequiremorefrequentservice.See

EngineOwner’sManual.

DoNotaddoiltogasoline.

DoNotoverllfueltank.Neverllthefueltankso

thatthefuellevelrisesabovealevelthatis1/2inch

(13mm)belowthebottomofthellernecktoallow

forfuelexpansionandpreventfuelspillage.

Makesureyouunderstandthecontrols,their

locations,theirfunctions,andtheirsafety

requirements.

RefertotheMaintenancesectionandperformallthe

necessaryinspectionandmaintenancesteps.

OperatingInstructions

OpentheFuelShut-OffValve

Thefuelshut-offvalveislocatedontherightsideof

unitinfuellinenexttothefuellter.Raisethehopper

toaccess.Rotatethevalve1/4counterclockwiseto

turnonfuel.

StartingtheEngine

1.Movethespeedcontrollevertotheneutral

position.

2.Pullupandbackontheparkingbrakeleverto

engagetheparkingbrake.

3.PushthePTOengagementleverdowntothe

“STOP”position.

Note:Itisnotnecessaryfortheoperatortobe

intheseattostarttheengine.

4.Placethethrottlemidwaybetweenthe“SLOW”

and“FAST”positions.

5.Onacoldengine,pushthechokeleverforward

intothe“ON”position.

Onawarmengine,leavethechokeinthe“OFF”

position.

6.Turnignitionswitchtothe“START”position.

Releasetheswitchassoonastheenginestarts.

Operation

Important:DoNotcranktheengine

continuouslyformorethantensecondsata

time.Iftheenginedoesnotstart,allowa60

secondcool-downperiodbetweenstarting

attempts.Failuretofollowtheseguidelines

canburnoutthestartermotor.

7.Ifthechokeisinthe“ON”position,gradually

returnchoketothe“OFF”positionastheengine

warmsup.

EngagingthePTO

DANGER

Therotatingbladesunderthemowerdeck

aredangerous.Bladecontactcancause

seriousinjuryorkillyou.

DoNotputhandsorfeetunderthemower

ormowerdeckwhenthebladesareengaged.

DANGER

Anuncovereddischargeopeningwillallow

objectstobethrowninanoperator’sor

bystander’sdirection.Also,contactwiththe

blowerbladescouldoccur.Thrownobjects

orbladecontactcancauseseriousinjuryor

death.

Neveroperatethemowerwiththehopper

orhopperdoorraised,removed,oraltered

unlessthereisamulchkitinplaceand

workingproperly.

ThePTOleverengagesthePTOandblower.Besure

thatthehopperisdown,thehopperdoorissecurely

closed,andallpersonsareclearofthemowerdeck

anddischargeareabeforeengagingPTO.

Important:Operatormustbeinseatbeforethe

PTOcanbeengaged.

1.Setthethrottletothe“MIDWAY”position.

2.PullthePTOleverupwarduntillockedover

center.

3.Placethethrottleinthe“FAST”positiontobegin

mowing.

DisengagingthePTO

1.Setthethrottletothe“MIDWAY”position.

2.PushPTOleverdowntothe“STOP”position

stoppingthePTOandblower.

StoppingtheEngine

1.Bringtheunittoafullstop.

2.DisengagethePTO.

3.Movespeedcontrollevertotheneutralposition.

4.Engagetheparkingbrake.

5.Placethethrottlemidwaybetweenthe“SLOW”

and“FAST”positions.

6.Allowtheenginetorunforaminimumof15

seconds,thenturntheignitionswitchtothe

“OFF”positiontostoptheengine.

7.Removethekeytopreventchildrenorother

unauthorizedpersonsfromstartingengine.

8.Closethefuelshut-offvalvewhenthemachine

willnotbeinuseforafewdays,when

transporting,orwhentheunitisparkedinside

abuilding.

DrivingtheMachine

CAUTION

Machinecanspinveryrapidlybypositioning

onelevertoomuchaheadoftheother.

Operatormaylosecontrolofthemachine,

whichmaycausedamagetothemachine

orinjury.

•Usecautionwhenmakingturns.

•Slowthemachinedownbeforemaking

sharpturns.

Important:Tobeginmovement(forwardor

backward)theoperatormustbeintheseat,the

brakelevermustbedisengaged(pusheddown)

beforethespeedcontrollevercanbemoved

forwardortheenginewillstop.

DrivingForward

1.Starttheengine.

2.Releasetheparkingbrake.

3.Tomoveforwardinastraightlinemovethespeed

controlleverforward.

Operation

Toturnleftorright,pulloneofthesteeringlevers

backtowardneutralinthedirectiondesired.

Themachinewillmovefasterthefartherthe

speedcontrolleverismovedawayfromneutral.

4.Tostop,pullthespeedcontrolleverbacktothe

neutralposition.

DrivinginReverse

1.Tomoverearwardinastraightlineapplyingequal

pressurepullbothsteeringleversrearward.

Toturnleftorright,releasepressureonthe

steeringlevertowardthedirectiondesired.

2.Tostop,releasethesteeringleverstotheneutral

position.

EmptyingHopper

1.Afullhopperisindicatedbyabuzzerlocated

behindtheoperatorinthehopper.Emptyhopper

whenbuzzersoundstopreventcloggingofthe

blowerordeck.

2.DisengagePTO,movespeedcontroltoneutral,

setparkbrakeanddismountunittodumphopper.

3.Makesureunitisonadrylevelsurface.

4.Liftthereardoorupandallowittorestontop

ofhopper.

5.Dumphopperbyrmlygraspingoneofthe

hopperhandlesoneithersideoftheunitand

liftingthehopper.

ClearingHopperScreen

Screenmayberemovedbyrmlyliftingscreen

handles(seeFigure5).

Pullscreentowardsthebacktoremove.Gentlytap

debrisfromthescreenasneeded.

Excessivebuild-uponthescreencancausethe

blowertoplug.

Note:Inconditionswherethescreenclogsquickly,

thefrontremovablescreenpanelcanbeturnedand

reinstalledundertheprimaryscreentoallowfreeair

owfromthehopper.

Figure5

1.Frontremovablescreen

canberotatedand

storedforwetcondtions

3.Primaryscreen

2.Frontremovablescreen4.Handles.

Transporting

TransportingaUnit

Useaheavy-dutytrailerortrucktotransportthe

machine.Lockbrakeandblockwheels.Securely

fastenthemachinetothetrailerortruckwithstraps,

chains,cable,orropes.Besurethatthetrailerortruck

hasallnecessarylightingandmarkingasrequiredby

law .Secureatrailerwithasafetychain.

CAUTION

Thisunitdoesnothaveproperturn

signals,lights,reectivemarkings,ora

slowmovingvehicleemblem.Drivingona

streetorroadwaywithoutsuchequipment

isdangerousandcanleadtoaccidents

causingpersonalinjury.Drivingonastreet

orroadwaywithoutsuchequipmentmayalso

beaviolationofStatelawsandtheoperator

maybesubjecttotrafcticketsand/ornes.

DoNotdriveaunitonapublicstreetor

roadway.

Page is loading ...

Exmark Navigator User manual

Brand: Exmark

Model: Navigator

Category: Lawnmowers

Type: User manual

Download PDF

report

Exmark Navigator User manual

Exmark Navigator User manual

Related papers

Other documents