2. Exmark
  3. Ultra Vac QDS Frontrunner

Exmark Ultra Vac QDS Frontrunner, Ultra Vac QDS Frontrunner FRCK524, Ultra Vac QDS Frontrunner FRCK604, Ultra Vac QDS Frontrunner FRCK724, Ultra Vac QDS Frontrunner FRUVD User manual

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  • What should you do in case of striking a foreign object or abnormal vibration?
    What should you do if mowing on wet grass or steep slopes?
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    How can you prevent accidents or injuries while using the equipment?
    What should be done before working on the mower?
ULTRAV AC®QDS
FRONTRUNNERTMMODELS
ForUltraVacSerialNos.
720,000&Higher
PartNo.4500-274Rev.A
Exmarkreservestherighttomakechangesor
addimprovementstoitsproductsatanytime
withoutincurringanyobligationtomakesuch
changestoproductsmanufacturedpreviously.
Exmark,oritsdistributorsanddealers,accept
noresponsibilityforvariationswhichmaybe
evidentintheactualspecicationsofitsproducts
andthestatementsanddescriptionscontained
inthispublication.
©2006–2008—ExmarkMfg.Co.,Inc.
IndustrialParkBox808
Beatrice,NE68310
2
Contactusatwww.Exmark.com.
PrintedintheUSA.
AllRightsReserved
Introduction
CONGRATULATIONSonthepurchaseofyour
ExmarkUltraVacQDS.Thisproducthasbeen
carefullydesignedandmanufacturedtogiveyou
amaximumamountofdependabilityandyearsof
trouble-freeoperation.
Thismanualcontainsoperating,maintenance,
adjustment,andsafetyinstructionsforyourExmark
UltraVacQDS.
BEFOREOPERATINGYOURMOWER,
CAREFULLYREADTHISMANUALINITS
ENTIRETY.
Byfollowingtheoperating,maintenance,andsafety
instructions,youwillprolongthelifeofyourUltra
VacQDS,maintainitsmaximumefciency,and
promotesafeoperation.
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.
3
Contents
Introduction...........................................................3
Safety.....................................................................5
SafetyAlertSymbol.........................................5
SafeOperatingPractices..................................5
SafetyandInstructionalDecals.......................8
Specications.......................................................10
ModelNumbers............................................10
Systems.........................................................10
Dimensions...................................................10
TorqueRequirements....................................10
ProductOverview................................................11
Operation.............................................................11
Pre-Start........................................................11
OperatingInstructions..................................11
Transporting.................................................14
Maintenance.........................................................16
RecommendedMaintenanceSchedule(s)...........16
PeriodicMaintenance.......................................16
CheckBlowerHousing/Impeller...................16
LubricateGreaseFittings...............................16
CheckConditionofBelt................................17
Adjustments.....................................................18
Cleaning...........................................................19
CleanMuferandRearFrameArea................19
CleanRearScreenInHopper.........................19
CleanBlower.................................................19
Troubleshooting...................................................20
4
Safety
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
•ReadthetractorandUltraVacQDSOperator’s
Manualsandothertrainingmaterial.Ifthe
operator(s)ormechanic(s)cannotreadEnglish
itistheowner’sresponsibilitytoexplainthis
materialtothem.
•Becomefamiliarwiththesafeoperationofthe
equipment,operatorcontrols,andsafetysigns.
•Alloperatorsandmechanicsshouldbetrained.
Theownerisresponsiblefortrainingtheusers.
•Neverletchildrenoruntrainedpeopleoperate
orservicetheequipment.Localregulationsmay
restricttheageoftheoperator.
•Theowner/usercanpreventandisresponsible
foraccidentsorinjuriesoccurringtohimselfor
herself,otherpeopleorproperty.
Preparation
•Evaluatetheterraintodeterminewhataccessories
andattachmentsareneededtoproperlyandsafely
performthejob.Onlyuseonmachinesapproved
byExmark.
•Wearappropriateclothingincludingsafetyglasses,
substantialfootwear,longtrousers,andhearing
protection.DoNotoperatewhenbarefootor
whenwearingopensandals.
CAUTION
Thismachineproducessoundlevelsin
excessof85dBAattheoperator’searand
cancausehearinglossthroughextended
periodsofexposure.
Wearhearingprotectionwhenoperatingthis
machine.
•Inspecttheareawheretheequipmentistobe
usedandremoveallrocks,toys,sticks,wires,
bones,andotherforeignobjectswhichcanbe
thrownbythemachineandmaycausepersonal
injurytotheoperatororbystanders.
Operation
•Operateonlyindaylightorgoodarticiallight,
keepingawayfromholesandhiddenhazards.
•Nevermowwiththedischargedeectorraised,
removedoralteredunlessthereisagrass
collectionsystemormulchkitinplaceand
workingproperly.
5
Safety
DANGER
Therearerotatingbladesintheblowerand
underthemowerdeck.Bladecontactcan
causeseriousoperatororbystanderinjury
orevendeath.
•DoNotreachintoblowerunlessrotation
indicatorhasstopped.DisengagePTO,
stopengine,removekey,waitforall
movingpartstostop.engageparking
brake.
•Neveroperatemowerunlessdischarge
deector,entiregrasscollectionsystem,
ormulchkitisinstalled.
•Stopengine,waitforallmovingpartstostop,
removekeyandengageparkingbrake:
–Beforechecking,cleaningorworkingonthe
mower.
–Afterstrikingaforeignobjectorabnormal
vibrationoccurs(inspectthemowerfor
damageandmakerepairsbeforerestarting
andoperatingthemower).
–Beforeclearingblockages.
–Wheneveryouleavethemower.
WARNING
Hands,feet,hair,clothing,oraccessoriescan
becomeentangledinrotatingparts.Contact
withtherotatingpartscancausetraumatic
amputationorseverelacerations.
•DoNotoperatethemachinewithout
guards,shields,andsafetydevicesin
placeandworkingproperly.
•Keephands,feet,hair,jewelry,orclothing
awayfromrotatingparts.
•Stoptheblades,slowdown,andusecautionwhen
crossingsurfacesotherthangrassandwhen
transportingthemowertoandfromtheareato
bemowed.
•Beawareofthemowerdischargepathanddirect
dischargeawayfromothers.
SlopeOperation
WARNING
Usingasingletailwheelmaycontactthe
collectionsystemandcausedifcultsteering
andreducethemachinestability.Thesingle
tailwheeltiremaycontactthebottomofthe
collectionsystemcausingdifcultsteering.
Asingletailwheelwithacollectionsystem
islessstableandapotentialtip-overcould
causeseriousinjuryordeath.
Operatemachineonlywithadualtailwheel
installed.
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).
6
Safety
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.
•Avoidsuddenstartswhenmowinguphillbecause
themowermaytipbackwards.
•Beawarethatlossoftractionmayoccurgoing
downhill.Weighttransfertothefrontwheels
maycausedrivewheelstoslipandcauselossof
brakingandsteering.
•Alwaysavoidsuddenstartingorstoppingona
slope.Iftireslosetraction,disengagetheblades
andproceedslowlyofftheslope.
•Followthemanufacturer’srecommendationsfor
wheelweightsorcounterweightstoimprove
stability.AlwaysinstallandremovetheUltraVac
QDS,includingcounterweights,asinstructed.
Failuretodosowillcauseareductioninstability
ortraction.DoNotoperatethemowerwithonly
aportionoftheUltraVacQDSinstalled.
•Useextremecarewithgrasscatchersor
attachments.Thesecanchangethestabilityofthe
machineandcauselossofcontrol.Thestability
andtractionofthemachinewillchangeasthe
UltraVacQDShopperllswithgrassclippings.
Useprogressivelygreatercareonslopesasthe
hopperlls.
MaintenanceandStorage
•Disengagedrives,setparkingbrake,stopengine
andremovekeyordisconnectsparkplugwire.
Waitforallmovementtostopbeforeadjusting,
cleaningorrepairing.
•Usecarewhencheckingblades.Wraptheblade(s)
orweargloves,andusecautionwhenservicing
them.Onlyreplaceblades.Neverstraightenor
weldthem.
•Keepallguards,shieldsandallsafetydevicesin
placeandinsafeworkingcondition.
•Checkallboltsfrequentlytomaintainproper
tightness.
•Frequentlycheckforwornordeteriorating
componentsthatcouldcreateahazard.
•Allreplacementpartsmustbethesameas
orequivalenttothepartssuppliedasoriginal
equipment.
7
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.
1-653558
98-5954
103-2076
103-8444
109-5606
8
Safety
109-5890
9
Specications
Specications
ModelNumbers
SerialNos:720,000andHigher
FRUVD–FitsFrontRunnerwith52,60,or72inchdecks
FRCK524–Completingkitfor52inchdeck
FRCK604–Completingkitfor60inchdeck
FRCK724–Completingkitfor72inchdeck
Note:DualtailwheelsareREQUIREDformaximumstability,clearance,andcapacity.
FRDTWK–Completekittoinstalldualtailwheels
FRDTWA–Partialkittoinstalldualtailwheels,re-usessomecomponentsfromsingletailwheel.
Systems
BaggingSystem
•CollectionHopper:
–Commercialgraderotationallymoldedplastic.
–Capacity:12.0bushels
•DumpMechanism:Manualdumpfromseat
•BlowerTube:Flexible,abrasionresistantEPDM
rubberwithpolypropylenehelix.
•Impeller:5–bladed,1/4inch(6.4mm)thick
abrasionresistantsteel,withverticalaxis.
•Impellerbearings:1inch(2.5cm)sealed
non-greaseablebearings.
Dimensions
OverallWidth:
w/UltraVacQDS
52inchDeck66.85inches(169.8cm)
60inchDeck74.44inches(189.1cm)
72inchDeck87.10inches(221.2cm)
OverallLength:
w/UltraVacQDS
52inchDeck118.21inches(300.3cm)
60inchDeck118.32inches(300.5cm)
72inchDeck121.2inches(307.8cm)
CurbWeight:
52inchDeck
264lb(119kg)
60inchDeck
265lb(120kg)
72inchDeck
265lb(120kg)
TorqueRequirements
BoltLocation
Torque
ImpellerSpindleBottom
Nut
32-40ft-lb(43-54N-m)
ImpellerSpindleTopNut75-80ft-lb(102-108N-m)
10
Operation
ProductOverview
Figure4
1.Blower3.Hopperassembly
2.Flexibletube4.Doorhandle
Operation
Note:Determinetheleftandrightsidesofthe
machinefromthenormaloperatingposition.
Pre-Start
Makesureyouunderstandthecontrols,their
locations,theirfunctions,andtheirsafety
requirements.
Ensuretheblower,beltcover,exibletube,hopper,
anddoorareingoodcondition,properlyattached,
andlatched.
RefertotheMaintenancesectionandperformallthe
necessaryinspectionandmaintenancesteps.
OperatingInstructions
Mowing
1.TheUltraVacQDSbloweroperateswhendeck
driveisengaged.Besurethatallpersonsareclear
ofthemowerdeckbeforeengagingthecutting
blades.Setthethrottleto“midway”position.Pull
outwardonthePTOswitchtothe“ROTATE”
position.Acceleratetofullthrottletobegin
mowing.
2.TodisengagethePTOandblower,setthe
throttleto“midway”position.Pushinonthe
PTOswitchtothe“STOP”positiontostopthe
cuttingbladesandblower.Thecuttingbladeswill
requireaslightlylongeramountoftimetocome
toacompletestopwhentheblowerisinstalled
onthedeck.Verifythatallrotationindicators
havestoppedbeforeclearingblowerassemblyor
mowerdeck
3.Toemptythehopper,rstshutoffdeckdrive.
Liftuponthehandletoopenthedoorandempty
thehopper.Iftheunitistobedrivenontoatruck
ortrailerwiththehopperfull,alwaysbackthe
unituptheramp.Thiswillreducethechanceof
rearwardtipup.SeetheTransportingsection
foradditionalinformationregardingloadinga
unitonatruckortrailer.
4.Closeandlatchthedoorbeforecontinuing
mowing.DoNotengagethecuttingbladeswhile
thedoorisintheopenposition.
Tipsformowingconditions:
11
Operation
•Whenmowinginareaswithsandysoil,use
lowliftbladesonthecuttingdeckandhigher
cuttingheightstominimizewearontheblower
components.
•Whenmowinginwetconditions,suchasjustafter
arainorinheavydew,uselowliftbladesonthe
cuttingdecktominimizepluggingoftheblower.
•Maintainingagroundspeedthatdoesnotpull
downtheengineRPMwillallowforthehighest
productivityandbestqualityofcut.Boggingthe
engineRPMdownbygoingtoofastwillcause
pluggingandqualityofcutissues.
•Whenthehoppergetfull,thesoundoftheblower
willchangeandtherewillbeslightblowoutfrom
thefrontrightcornerofthedeck.Emptyingthe
hopperatthispointwillminimizethepotential
forthetubetoplug.
BaggerRemovalforSideDischarge
1.Shutoffthedeckdrive,stopengineandwaitfor
allmovingpartstostop.Removekey.
2.Removethedischargetubebyreleasingthelock
pinattheblower.Rotateandpullthetubeaway
fromthebloweroutletadapter(seeFigure5).
Figure5
1.Hopperassembly6.Dischargechutepinand
hairpin
2.Lowerhopperlinks7.Belt
3.Alarm8.Blower
4.Decksheave9.Flexibletube
5.Beltcover
3.Removethebeltcoverbylooseningtherearknob
andremovingthefrontknob.Therearknobdoes
notneedtoberemovedcompletelytoremove
thebeltcover.
CAUTION
Thedecksheavewillbecomeveryhot.
Touchingahotdecksheavecancausesevere
burns.
Allowthedecksheavetocoolcompletely
beforeremovingthebelt.
4.Pulltheidlerreleasehandleandremovethebelt
fromtheuppergrooveofthedecksheave.
5.Unlatchthefrontendoftheblower.Pivotthe
blowerbackandliftitoffthedeck.
6.Installthedischargechuteusingthechutepivot
pinandhairpin(seeFigure6).
Figure6
Viewedfromtherightside
1.Hairpin
3.DischargeChute
2.ChutePivotPin
Note:Installchutewiththetabstotherearof
thedecktabsasshown.
WARNING
Anuncovereddischargeopeningwill
allowobjectstobethrowninoperator’sor
bystander’sdirection.Also,contactwith
bladecouldoccur.Thrownobjectsorblade
contactcancauseseriousinjuryorkillyou
orbystanders.
Neveroperatemowerunlessdischarge
deector,orentiregrasscollectionsystem,or
mulchkitisinstalled.
12
Operation
7.Re-installtheplasticbeltcoverandtightenthe
knobs.
8.Unplugthewiringforthellsensoratthefront
ofthehopper.Secureloosewireharnessby
routinglooseendpartiallybackdownROPStube.
9.Removethehairpinsandclevispinsholdingthe
hopperassemblytotheROPSweldment.
10.Rotatethehopperassemblyrearwarduntilthe
backofthedoorrestsontheground.Remove
thehairpinsholdingthelowerhopperlinksto
thelowerframemount(Figure7).
11.Thebracketboltedtotherearoftheframeatthe
ROPSremainsontheunit
Note:TheportionsoftheFrontRunnerUltra
Vacthatarenotboltedtothemoweraredesigned
tobeinstalledorremovedintheirentirety.Failure
todosowillcauseareductioninstabilityor
traction.DoNotoperatethemowerwithonlya
portionoftheFrontRunnerUltraVacinstalled.
12.Themachinecannowbeusedforsidedischarge
mowing.
BaggerInstallationforBagging
1.Stopengine,removekey,andwaitforallmoving
partstostop.
2.Removehairpinandchutepivotpin.Remove
dischargechute.Pivotpinandhairpinmaybe
storedinthepivotholesofthedischargechute
duringbaggingoperation.
3.Laythehopperassemblyonthedoorasshownin
(seeFigure7).
Figure7
1.Secureinthislocation
3.Hopperassembly
2.Lowerlinks
4.Installthehopperassemblyontothemountby
rotatingthelowerhopperlinksforwardand
slippingthemoverthepinsofthelowermount
weldment.Securethelowerlinkstothemount
usingthehairpins.
5.Liftandrotatethehopperassemblyupandalign
theupperpinholeswiththeholesintheROPS
mount.InstalltheupperpinsthroughtheROPS
platesandhopperframetubes.Securetheupper
pinswiththeattachedhairpins.
Figure8
1.Rotatehopperassembly2.Hopperassembly
6.Mountthebloweronthedeckbyslidingthe
mountingpinintothetubeattherearrightcorner
ofthedeck.Swingtheblowerclosed.Adjustthe
positionofthefrontpintoengagetheslotinthe
frontofthedeck.Usethelatchtolocktheblower
inthisposition.Adjustthetensiononthelatch
toholdthebloweruptothedeck,yetallowfor
releasebyhand.
7.Removetheplasticbeltcover.Pullthespring
loadedidlerbackandslipthebeltoverthetop
spindledecksheave.
8.Installtheplasticbeltcover.Therearofthecover
isslottedandcanslipbehindtheplasticknobon
thebeltshieldstud.Theplasticknobdoesnot
needtoberemoved.Thefronthorizontalplastic
knobfortheplasticbeltcovermustbeinstalled
afterthecoverhasbeenpositioned.
Thefrontverticalplasticknobontheoriginal
steelbeltcovercanbeusedforplasticbeltcover.
9.Thehopperinlethasribstoengagethespiral
reinforcementoftheexibletube.Usingamarker
orpaintpen,marktheexibletubeapproximately
4inchesfromtheend.Inserttheendofthe
tubeintothehopperinlet,androtateclockwise
toengage.Rotateandthreadthetubeintothe
hopperinletuptothe4inchmark.Itmaybe
easierto“push”thetubeintotheinletratherthan
rotating(Figure9).
13
Operation
Figure9
1.Hopper3.Flexibletube
2.Rotateclockwiseto
engage
10.Slidethelowerendofthetubeassemblyontothe
bloweroutletadapterandrotatetolockinplace.
Installthelockpinthroughthetubeandblower
adapter.
Figure10
1.Lockpin2.Rotatetolock
Note:TheportionsoftheUltraVacthatarenot
boltedtothemoweraredesignedtobeinstalled
orremovedintheirentirety.DoNotoperate
themowerwithonlyaportionoftheUltraVac
installed.
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.
WARNING
Loadingaunitonatrailerortruckincreases
thepossibilityoftip-over.Tip-overcould
causeseriousinjuryordeath.
•Useextremecautionwhenoperatinga
unitonaramp.
•Useonlyasingle,fullwidthramp;Do
Notuseindividualrampsforeachside
oftheunit.
•Ifindividualrampsmustbeused,use
enoughrampstocreateanunbroken
rampsurfacewiderthantheunit.
•DoNotexceeda15°anglebetweenramp
andgroundorbetweenrampandtrailer
ortruck.
•Avoidsuddenaccelerationwhiledriving
unitonaramp.
LoadingaUnit
Iftheunitistobedrivenontoatruckortrailer
withthehopperfull,alwaysbacktheunitupthe
ramp.Thiswillreducethechanceofrearward
tipup.Useextremecautionwhenloadingunits
ontrailersortrucks.Onefullwidthrampthatis
wideenoughtoextendbeyondthereartiresis
recommendedinsteadofindividualrampsforeach
sideoftheunit.Thelowerrearsectionofthetractor
frameextendsbackbetweentherearwheelsand
servesasastopfortippingbackward.Havingafull
widthrampprovidesasurfacefortheframemembers
tocontactiftheunitstartstotipbackward.Ifitis
14
Operation
notpossibletouseonefullwidthramp,useenough
individualrampstosimulateafullwidthcontinuous
ramp.
Rampshouldbelongenoughsothattheangles
betweentherampandthegroundandtherampand
thetrailerortruckDoNotexceed15°.Asteeper
anglemaycausemowerdeckcomponentstoget
caughtastheunitmovesfromramptotraileror
truck.Steeperanglesmayalsocausetheunittotip
backward.Ifloadingonornearaslope,position
thetrailerortrucksoitisonthedownsideofthe
slopeandtherampextendsuptheslope.Thiswill
minimizetherampangle.Thetrailerortruckshould
beaslevelaspossible.
Important:DoNotattempttoturntheunit
whileontheramp,youmaylosecontroland
driveofftheside.
Avoidsuddenaccelerationwhendrivinguparamp
andsuddendecelerationwhenbackingdownaramp.
Bothmaneuverscancausetheunittotipbackward.
Dumpcontentsofhopperbeforetransport.DoNot
transporttheunitwiththehopperfull.
15
Maintenance
Maintenance
Note:Determinetheleftandrightsidesofthemachinefromthenormaloperatingposition.
WARNING
Whilemaintenanceoradjustmentsarebeing
made,someonecouldstarttheengine.
Accidentalstartingoftheenginecould
seriouslyinjureyouorotherbystanders.
Removethekeyfromtheignitionswitch,
engageparkingbrake,andpullthewire(s)
offthesparkplug(s)beforeyoudoany
maintenance.Alsopushthewire(s)aside
soitdoesnotaccidentallycontactthespark
plug(s).
WARNING
Theenginecanbecomeveryhot.Touching
ahotenginecancausesevereburns.
Allowtheenginetocoolcompletelybefore
serviceormakingrepairsaroundtheengine
area.
RecommendedMaintenanceSchedule(s)
MaintenanceService
Interval
MaintenanceProcedure
Beforeeachuseordaily
•Checktheblowerhousing/impeller.
•Cleanmuferandrearframearea.
•Cleanrearscreeninthehood.
Every25hours
•Lubricategreasettings.
Every50hours
•Checkconditionofbelt.
Yearlyorbeforestorage
•Cleanblower.
PeriodicMaintenance
CheckBlower
Housing/Impeller
ServiceInterval:Beforeeachuseordaily
1.Stopengine,waitforallmovingpartstostop,and
removekey.Engageparkingbrake.
2.Inspectforwearordamagedaily.Replaceor
repairwornpartsasneeded
Note:Whenmowinginareaswithsandysoil,
uselowliftbladesonthecuttingdeckandhigher
cuttingheightstominimizewearontheblower
components.
LubricateGreaseFittings
Note:Seechartforserviceintervals.
1.Stopengine,waitforallmovingpartstostop,and
removekey.Engageparkingbrake.
2.LubricatettingswithNGLIgrade#2
multi-purposegungrease.
Refertothefollowingchartforttinglocations
andlubricationschedule.
LubricationChart
Fitting
Locations
Initial
Pumps
Numberof
Places
Service
Interval
1.Blower
Housing/
Impeller
——
Daily
16
Maintenance
LubricationChart
Fitting
Locations
Initial
Pumps
Numberof
Places
Service
Interval
2.Idler
Bushings
1–21
25Hours
3.Belts
——
50Hours
4.Mufer/
RearFrame
——
Daily
5.Hopper
Screen
——
Daily
6.Flexible
Discharge
Tube
——
Daily
7.Fill
Sensor
——
Daily
CheckConditionofBelt
ServiceInterval:Every50hours
1.Stopengine,waitforallmovingpartstostop,and
removekey.Engageparkingbrake.
2.Inspectthebeltfordamageorwear.Replacebelt
withoneofthefollowing:
Deck
PartNo.
52inchDeck
109-4948
60inchDeck
103-0866
72inchDeck
103-0867
3.Inspectthebeltpositionontheidlerarm.
Theidlerarmmaybecomebentduringuseor
transport.Abentidlerarmcouldcausethebelt
tojumpoffoftheidlerandbedamaged.
A.Makesurethebeltcoverisinstalledandrun
theblowerforonetotwominutes.
B.Shutoffthedeckdrive,stopengine,wait
forallmovingpartstostopandremovekey.
Engageparkingbrake.Removethebeltcover
andchecktomakesurethatthebeltisriding
nearthecenteroftheatidlerontheidler
arm.
C.Ifthebeltisnotridingnearthecenterofthe
idler,removetheblower,andbendtheidler
armslightly.
Note:Idlerstillneedstoclearthedeck
stiffenerduringoperation.
D.Reinstalltheblowerandbeltcoverandrepeat
stepsAthroughCuntilthebeltispositioned
nearthecenteroftheidler.
FlexibleDischargeTube
ServiceInterval:Asrequired
Inspecttheexibledischargetubeforwearor
damage.
WARNING
Undernormalusetheexibledischargetube
willwear.Objectscouldexitawornexible
dischargetubeathighspeeds.Thrown
objectscancauseseriousinjuryorkillyou
orbystanders.
Checktheexibledischargetubefortears
andholes.Replacewornexibledischarge
tube.
FillSensor
ServiceInterval:Asrequired
Thellsensorislocatedatthefrontofthehopper,
andiswiredintothePTOcircuit.Whengrasslls
thehopperenoughtoblockoneorbothsensors,
analarmwillsound.Thellsensortestingmustbe
madewiththePTOengaged,buttheenginedoes
nothavetoberunning.
1.Stopengine,waitforallmovingpartstostop,and
removekey.Engageparkingbrake.
2.Unlatchthedoorandpullthedoorhandle
engagementpintoraisethedoortothetopofthe
hopper(seeFigure13).
3.Reachintothehopperandplaceapieceof
maskingorducttapeovertheLHsensor.
4.Closethedoor.
5.SitintheseatandturnthekeytotheRUN
position,butDONOTSTARTtheunit.
6.PulluponthePTOswitchtoengagepowertothe
clutch;youshouldhearaclickfromtheclutch.
7.Thereisasplitseconddelaybeforethellsensor
alarmwillsound.
8.Repeatsteps2through4toremovethetapefrom
thesensor.
17
Maintenance
Adjustments
Note:TheUltraVacQDSwasadjustedatthefactorytooperateproperly.However,therearethreebasic
adjustmentsthatcanbemade,shouldyourunitrequirethem:
1.Fillsensors:Locatedinsidethehopper,they
soundanalarmwhenthehopperisfull.Theycan
beadjustedforvaryinggrassconditionsthatll
thehopperdifferently(seeFigure11).
Figure11
1.Fillsensor
MovingtheLHsensorupworksbetterinwetter
conditions.
MovingtheLHsensordownworksbetterin
dryerconditions.
2.Latches:Thelatches(Figure12)canbeadjusted.
Withthedoorclosed,thelatchplateshouldbe
setsothatthelatchcamscompletelyengageand
contactthelatchplatesboltedtothedoor.
Figure12
1.Over-centerspring3.Theseveboltsadjust
thelatchcamweldment
2.Whizlocknuts
3.Latchhandlelink:Thelatchhandleneedstobe
abletosnapover-centertokeepthelatchcams
tightagainstthedoorlatchplatesandthedoor
pulledshut.Thelengthofthelatchlinkageis
controlledbythetwowhizlocknutsoneitherside
ofthelatchlink(Figure12).Thewhizlocknuts
shouldbeadjustedsothatreasonableforceon
thehandleisrequiredtoover-centerandlatch
thedoor.DoNotadjustsothattheover-center
springcollapsescompletelywhenthedoorisfully
latched.
18
Maintenance
Cleaning
CleanMuferandRear
FrameArea
ServiceInterval:Beforeeachuseordaily
Stopengine,waitforallmovingpartstostop,and
removekey.Engageparkingbrake.
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,
brush-coveredunimprovedland.
CleanRearScreenInHopper
ServiceInterval:Beforeeachuseordaily
1.Stopengine,waitforallmovingpartstostop,and
removekey.Engageparkingbrake.
2.Openhopperdoorbyremovingpinsasshown
andremoveclippingsthatarestucktoscreenas
showninFigure13.Screencanberemovedby
removingpinsatrearofscreen.
Figure13
1.Putpinhereforstorage3.Screen
2.Pin
CleanBlower
ServiceInterval:Yearlyorbeforestorage
Grassbuildupmaycauseproblemswiththeimpeller
whentheunitisputbackintooperation.
1.Stopengine,waitforallmovingpartstostop,and
removekey.Engageparkingbrake.
2.Removegrassbuildupfromaroundtheimpeller
beforeplacingitinstorage.
19
Troubleshooting
Troubleshooting
Important:Itisessentialthatalloperatorsafetymechanismsbeconnectedandinproperoperating
conditionpriortomoweruse.
Whenaproblemoccurs,DoNotoverlookthesimplecauses.Forexample:startingproblemscouldbe
causedbyanemptyfueltank.
Thefollowingtablelistssomeofthecommoncausesoftrouble.DoNotattempttoserviceorreplacemajor
itemsoranyitemsthatcallforspecialtimingoradjustmentprocedures(suchasvalves,governor,etc.).Have
thisworkdonebyyourEngineServiceDealer.
Note:WhendisconnectingelectricalconnectorsDoNotpullonthewirestoseparatetheconnectors.
ProblemPossibleCauseCorrectiveAction
1.Cuttingblade(s)is/arebentorunbalanced.
1.Installnewcuttingblade(s).
2.Blademountingboltisloose.2.Tightentheblademountingbolt.
3.Looseblowerpulleyorpulleyassembly.
3.Tightentheappropriatepulley.
Abnormalvibration.
4.Blowerimpellerbladesarebent.4.ContactanAuthorizedServiceDealer.
Blowerdrivebeltsnapsorbreaksfrequently.
1.Idlerarmisoutofalignment.1.Correctthealignmentoftheidlerarm.
1.Hopperisfull.1.Dumpmorefrequently.
2.Pluggedscreeninbaggerhood.2.Removedebris,leavesorgrassclippings
fromthescreen.
3.Groundspeedistoofast.
3.Drivesloweratfullthrottle.
4.Blowerbeltisworn,loose,orbroken.4.Installnewblowerbelt.
5.Pluggedtubeorblower.5.Locateandremovepluggeddebris.
Excessivegrassblowoutfromthedeck.
6.Conditionsaredry.6.Uselowerliftblade.
1.Hopperistoofull.1.Dumpmorefrequently
2.Groundspeedistoofast.
2.Drivesloweratfullthrottle.
3.Grassistoowet.
3.Cutgrasswhenitisdry.
4.Grassistoolong.4.Cutgrassmorefrequentlyorathighercut
height.
5.Pluggedscreeninbaggerhood.5.Removedebris,leaves,orgrassclippings
fromthescreen.
6.Blowerdrivebeltisworn,loose,or
broken.
6.Installnewbelt.
Blowerandtubesplugtoofrequently.
7.Blowerisplugged.7.Uselowliftbladesinwetconditions.
1.Pluggedblower.1.Removedebris,leaves,orgrassclippings
fromtheblowerimpeller.
Blowerimpellerdoesnotspinfreely.
2.Impellernotaligned.2.ContactanAuthorizedServiceDealer.
Plowingleaves.
1.Deckistoolow.
1.Raisethedeckslightly.
Chasingleaves.
1.Blowoutfromdeck.1.Installananti-blowoutkit–contactan
AuthorizedServiceDealer.
Blowercomponentsshowsignsofwear
and/oraircleanersandcoolingnsaredirty.
1.Sandordryconditions.1.Uselowliftbladesonthecuttingdeckand
highercuttingheights.
20
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