Exmark Ultra Vac 000 higher, Ultra Vac 850 User Manual

ULTRAV AC®

LAZERZ®,LAZERZ®AS

SERIESX,ANDLAZERZ®AS

MODELS

ForUltraVacSerialNos.
850,000&Higher
(TotLazerZ(LZZ)and
LazerZASSeriesX(LZAS)Units
SerialNos.790,000&Higher)
(TotLazerZAS(LZA)Units
SerialNos.850,000&Higher)

PartNo.4500-608Rev.A

Exmarkreservestherighttomakechangesor
addimprovementstoitsproductsatanytime
withoutincurringanyobligationtomakesuch
changestoproductsmanufacturedpreviously.
Exmark,oritsdistributorsanddealers,accept
noresponsibilityforvariationswhichmaybe
evidentintheactualspecicationsofitsproducts
andthestatementsanddescriptionscontained
inthispublication.

©2009—ExmarkMfg.Co.,Inc.
IndustrialParkBox808
Beatrice,NE68310

Contactusatwww.Exmark.com.

2

PrintedintheUSA

AllRightsReserved

Introduction

CONGRATULATIONSonthepurchaseofyour
ExmarkUltraVac.Thisproducthasbeencarefully
designedandmanufacturedtogiveyouamaximum
amountofdependabilityandyearsoftrouble-free
operation.

Thismanualcontainsoperating,maintenance,
adjustment,andsafetyinstructionsforyourExmark
UltraVac

BEFOREOPERATINGYOURMOWER,
CAREFULLYREADTHISMANUALINITS
ENTIRETY.

Byfollowingtheoperating,maintenance,andsafety
instructions,youwillprolongthelifeofyourUltra
Vac,maintainitsmaximumefciency,andpromote
safeoperation.

Ifadditionalinformationisneeded,orshouldyou
requiretrainedmechanicservice,contactyour
authorizedExmarkequipmentdealerordistributor.
Exmarkpartsmanualsareavailableonlineat
http://www.exmark.com/manuals.htm.

Figure1

1.Modelandserialnumberlocation

ModelNo.

SerialNo.

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.

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.................................................17

Maintenance.........................................................20

RecommendedMaintenanceSchedule(s)...........20

PeriodicMaintenance.......................................20

CheckBlowerHousing/Impeller...................20

CheckBags....................................................20

CheckExhaustDiverter.................................21

LubricateGreaseFittings...............................21

CheckConditionofBelt................................21

Adjustments.....................................................21

AdjustingtheBlowerDriveBelt

Position.....................................................21

Cleaning...........................................................22

CleanMuferandRearFrameArea................22

CleanRearScreenInHopper.........................22

CleanBlower.................................................22

Troubleshooting...................................................23

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.

•Neverletchildrenoruntrainedpeopleoperate
orservicetheequipment.Localregulationsmay
restricttheageoftheoperator.

•Onlyadultsandmatureteenagersshouldoperate
amower,andevenmatureteenagersshouldhave
adultsupervision.Besureateenager:

1.hasreadandunderstandstheOperator’ s

Manualandrecognizestherisksinvolved;

2.issufcientlymaturetousecaution;and

3.isofsufcientsizeandweighttooperate

thecontrolscomfortablyandtomanagethe
mowerwithouttakingrisks.

•Theowner/usercanpreventandisresponsible
foraccidentsorinjuriesoccurringtohimselfor
herself,otherpeopleorproperty.

Preparation

•Evaluatetheterraintodeterminewhataccessories
andattachmentsareneededtoproperlyandsafely
performthejob.Onlyuseonmachinesapproved
byExmark.

•Wearappropriateclothingincludingsafetyglasses,
substantialfootwear,longtrousers,andhearing
protection.DoNotoperatewhenbarefootor
whenwearingopensandals.

CAUTION:Blacklettering/Yellowbackground.
Indicatesapotentiallyhazardoussituationwhich,if
notavoided,Mayresultinminorormoderateinjury.

Thismanualusestwootherwordstohighlight
information.Importantcallsattentiontospecial
mechanicalinformationandNoteemphasizes
generalinformationworthyofspecialattention.

SafeOperatingPractices

Training

•ReadthetractorandUltraVacOperator’sManuals
andothertrainingmaterial.Iftheoperator(s)or
mechanic(s)cannotreadEnglishitistheowner’s
responsibilitytoexplainthismaterialtothem.

•Becomefamiliarwiththesafeoperationofthe
equipment,operatorcontrols,andsafetysigns.

•Alloperatorsandmechanicsshouldbetrained.
Theownerisresponsiblefortrainingtheusers.

CAUTION

Thismachineproducessoundlevelsin
excessof85dBAattheoperator’searand
cancausehearinglossthroughextended
periodsofexposure.

Wearhearingprotectionwhenoperatingthis
machine.

•Inspecttheareawheretheequipmentistobe
usedandremoveallrocks,toys,sticks,wires,
bones,andotherforeignobjectswhichcanbe
thrownbythemachineandmaycausepersonal
injurytotheoperatororbystanders.

Operation

•Operateonlyindaylightorgoodarticiallight,
keepingawayfromholesandhiddenhazards.

•Nevermowwiththedischargedeectorraised,
removedoralteredunlessthereisagrass

5

Safety

collectionsystemormulchkitinplaceand
workingproperly.

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

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).

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.

6

progressivelygreatercareonslopesasthehopper
lls.

MaintenanceandStorage

•DisengagePTO,setparkingbrake,stopengine
andremovekeyordisconnectsparkplugwire.
Waitforallmovementtostopbeforeadjusting,
cleaningorrepairing.

•Usecarewhencheckingblades.Wraptheblade(s)
orweargloves,andusecautionwhenservicing
them.Onlyreplacedamagedblades.Never
straightenorweldthem.

Safety

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
resultinslidingandalossofbrakingandsteering.

•Alwaysavoidsuddenstartingorstoppingona
slope.Iftireslosetraction,disengagetheblades
andproceedslowlyofftheslope.

•Keepallguards,shieldsandallsafetydevicesin
placeandinsafeworkingcondition.

•Checkallboltsfrequentlytomaintainproper
tightness.

•Frequentlycheckforwornordeteriorating
componentsthatcouldcreateahazard.

•Allreplacementpartsmustbethesameas
orequivalenttothepartssuppliedasoriginal
equipment.

•Followthemanufacturer’srecommendationsfor
wheelweightsorcounterweightstoimprove
stability.AlwaysinstallandremovetheUltraVac,
includingcounterweights,asinstructed.Failure
todosowillcauseareductioninstabilityor
traction.DoNotoperatethemowerwithonlya
portionoftheUltraVacinstalled.

•Useextremecarewithgrasscatchersor
attachments.Thesecanchangethestabilityofthe
machineandcauselossofcontrol.Thestability
andtractionofthemachinewillchangeasthe
UltraVachopperllswithgrassclippings.Use

7

Safety

SafetyandInstructionalDecals

•Keepallsafetysignslegible.Removeallgrease,
dirtanddebrisfromsafetysignsandinstructional
labels.

•Replaceallworn,damaged,ormissingsafety
signs.

•Whenreplacementcomponentsareinstalled,be
surethatcurrentsafetysignsareafxedtothe
replacedcomponents.

•Ifanattachmentoraccessoryhasbeeninstalled,
makesurecurrentsafetysignsarevisible.

1-653558

•Newsafetysignsmaybeobtainedfrom
yourauthorizedExmarkequipmentdealeror
distributororfromExmarkMfg.Co.Inc.

•Safetysignsmaybeafxedbypeelingoffthe
backingtoexposetheadhesivesurface.Apply
onlytoaclean,drysurface.Smoothtoremove
anyairbubbles.

•Familiarizeyourselfwiththefollowingsafetysigns
andinstructionlabels.Theyarecriticaltothesafe
operationofyourExmarkcommercialmower.

103-6605

98-5954

103-2076

103-6604

LZUV2BUnitsOnly

103-6607

LZUV3BUnitsOnly

8

103-3508

LZUV2BUnitsOnly

Safety

109-5890

LZUV3BUnitsOnly

9

Specications

Specications

ModelNumbers

SerialNos:850,000andHigher

LZUV2B–FitsLazerZ(LZZ),LazerZASSeriesX(LZAS),andLazerZAS(LZA)with48or52inchdeck.

LZUV3B–FitsLazerZ(LZZ)andLazerZASSeriesX(LZAS)with60or72inchdeck.FitsLazerZAS(LZA)
with60inchdeck.

Systems

BaggingSystem

•Collectionbins:

–Commercialgrade,clothmeshbagswith

reinforcedbottoms.

–LZUV2BCapacity:8.0bushels

–LZUV3BCapacity:13.4Bushels

•DumpMechanism:Manualliftoff

•BlowerTube:Fixed,abrasionresistantmolded
polyethylene.

•Impeller:5–bladed,1/4inch(6.4mm)thick
abrasionresistantsteel,withverticalaxis.

•Impellerbearings:1inch(2.5cm)sealed
non-greaseablebearings.

Dimensions

OverallWidth:

OverallLength:

LZUV2B

LazerZw/48inchDeck

LazerZw/52inchDeck

LZUV3B

LazerZw/60inchDeck

LazerZw/72inchDeck

CurbWeight:

LZUV2B

Forunitsw/48inchDeck
(3toeboardweights)

Forunitsw/52inchDeck
(2toeboardweights)

w/UltraV ac

102.25inches(259.7cm)

102.25inches(259.7cm)

w/UltraV ac

107.00inches(271.8cm)

110.00inches(279.4cm)

UltraV acWeight

309lb(140kg)

266lb(120kg)

LZUV2B

LazerZw/48inchDeck

LazerZw/52inchDeck

LZUV3B

LazerZw/60inchDeck

LazerZw/72inchDeck

w/UltraV acQDS

62.50inches(158.8cm)

67.75inches(172.1cm)

w/UltraV ac

75.00inches(190.5cm)

87.25inches(221.6cm)

LZUV3B

UltraV acWeight

Forunitsw/60inchDeck
(2toeboardweights)

Forunitsw/72inchDeck
(1toeboardweights)

449lb(204kg)

406lb(184kg)

TorqueRequirements

BoltLocation

ImpellerSpindleBottom
Nut

ImpellerSpindleT opNut75-80ft-lb(102-108N-m)

10

Torque

55-60ft-lb(75-81N-m)

Operation

ProductOverview

Figure4

1.Hopper4.Blower

2.Toeboardweight5.Tube

3.Casterweight(LZUV3B
UnitsOnly)

Operation

Note:Determinetheleftandrightsidesofthe

machinefromthenormaloperatingposition.

Important:ForSerialNumbers790,000and
higher,multipleaccessoriesaddedtoabase
unitcanchangethestabilityofthemachine.
Readtheunitoperator’smanualtodetermine
ifcounterbalanceweightsarenecessaryforthe
accessoriesinstalledontheunit.

Important:Duetotheaddedweightofthe
UltraVac,itisimportanttoensuretheparking
brakeonyourmowerisadjustedproperly.Before
installingtheUltraV ac,makesuretore-adjust
theparkingbrakeonyourmowerasoutlinedin

6.Bag

the“AdjustingtheParkingBrake”procedurein
theMaintenancesectionofthetractorOperator’s
manual.

Pre-Start

Makesureyouunderstandthecontrols,their
locations,theirfunctions,andtheirsafety
requirements.

Ensuretheblower,beltcover,bags,tubesandhopper
areingoodcondition,properlyattached,andlatched.

Important:Verifythatthereinforcedbumpers
areinstalledonyourunitpriortooperation.

RefertotheMaintenancesectionandperformallthe
necessaryinspectionandmaintenancesteps.

OperatingInstructions

Mowing

1.TheUltraVacbloweroperateswhenthePTO
isengaged.Besurethatallpersonsareclear
ofthemowerdeckbeforeengagingthecutting
blades.Setthethrottleto“midway”position.Pull
outwardonthePTOswitchtothe“ROTATE”
position.Acceleratetofullthrottletobegin
mowing.

2.TodisengagethePTO ,setthethrottleto
“midway”position.PushinonthePTOswitch
tothe“STOP”positiontostopthecuttingblades
andblower.Thecuttingbladeswillrequirea
slightlylongeramountoftimetocometoa
completestopwhentheblowerisinstalledon
thedeck.V erifythatallrotationindicatorshave

11

Operation

stoppedbeforeclearingblowerassemblyor
mowerdeck.

3.Toremovethebags,rstdisengagethePTO,stop
theengineandwaitforallmovingpartstostop.
Openthehopperandremovethebagsbylifting
upontherearofthebag,thenunhookingthe
frontclip.Emptythebagsbyinvertingthem.

4.Reinstallbags,closeandlatchhopperbefore
continuingmowing.

Tipsformowingconditions:

•Whenmowinginareaswithsandysoil,use
lowliftbladesonthecuttingdeckandhigher
cuttingheightstominimizewearontheblower
components.

•Whenmowinginwetconditions,suchasjustafter
arainorinheavydew ,uselowliftbladesonthe
cuttingdecktominimizepluggingoftheblower.

•Maintainingagroundspeedthatdoesnotpull
downtheengineRPMwillallowforthehighest
productivityandbestqualityofcut.Boggingthe
engineRPMdownbygoingtoofastwillcause
pluggingandqualityofcutissues.

•WhentheUltraVacgetsfull,thesoundof
theblowerwillchangeandtherewillbeslight
blowoutfromthefrontrightcornerofthedeck.
EmptyingtheUltraVacatthispointwillminimize
thepotentialforthetubetoplug.

Figure5

1.Hopper7.Toeboardweight

2.Reinforcedbumpers

3.Clevispin

4.Casterarmweight

5.Hairpin11.Bag

6.ForLZUV3BUnitsOnly

8.Beltcover

9.Blower

10.Tubes

4.Removetheknobfromthebeltcoverbracketand
takeoffthebeltcover.

CollectionSystemRemovalforSide
Discharge

1.Emptythehopper.

CAUTION

Thehopperassemblyisheavywhenitisfull,
whichmaymakeitdifculttoremovethe
hopperassemblyfromtheunit.Theentire
hopperassemblymayfall,whichmaycause
injury.

Priortoremovingthehopperassemblyfrom
theunit,rstemptythecontents.

2.DisengagethePTO ,stopengineandwaitforall
movingpartstostop.Removekeyandengage
parkingbrake.

3.Removethedischargetubebyreleasingthelatches
attheblower.Slidethetubeoffthebloweroutlet
andremovetheupperendfromthehopper.

Figure6

1.Beltcoverbracket4.Belt

2.Beltcover5.Decksheave

3.Knob

12

Operation

CAUTION

Thedecksheavewillbecomeveryhot.
Touchingahotdecksheavecancausesevere
burns.

Allowthedecksheavetocoolcompletely
beforeremovingthebelt.

5.Pulltheidlerreleasehandleandremovethebelt
fromtheuppergrooveofthedecksheave.

6.Unlatchthefrontendoftheblower.Pivotthe
blowerbackandliftitoffthedeck.

WARNING

Anuncovereddischargeopeningwill
allowobjectstobethrowninoperator’sor
bystander’sdirection.Also,contactwith
bladecouldoccur.Thrownobjectsorblade
contactcancauseseriousinjuryorkillyou
orbystanders.

Neveroperatemowerunlessdischarge
deector,orentiregrasscollectionsystem,or
mulchkitisinstalled.

8.Re-installtheplasticbeltcoverandtightenthe
knobs.

9.Removethebagsfromthehopperassemblyby
openingthehopperandliftingupontherearof
thebagandthenunhookingthefrontclip.

10.Removethehopperassembly.DoNotusethe
exhaustdiverterasahandlewhenremovingthe
hopper.

Figure7

1.Blowerlatch

2.Pivotblowerawayfromdeck

7.Installthedischargedeectorusingthechute
pivotpinandhairpin(seeFigure8).

Figure8

1.Hairpin

2.Chutepivotpin

3.Dischargedeector

CAUTION

Theexhaustdiverterishot.T ouchingahot
exhaustdivertercancausesevereburns.

Allowtheexhaustdivertertocoolcompletely
beforeremovingthehopperassembly.

A.Pushandholdthehopperassemblytowards

theunitandpullthehairpinsandmountpins
fromframemountbarrellocatedoneachside
oftheframelegs.

WARNING

Whenthemountpinshavebeenremoved,
thehopperassemblymayfall.Afalling
hopperassemblymaycauseinjury.

Usecarewhenthemountpinsareremoved
andifnecessary,useassistancewhen
loweringthehopperassemblytotheground.

B.Ifnecessary,useassistanceandcarefullylower

thehopperassemblytotheground.

C.Re-insertthemountpinsintotheframe

mountbarrelandsecurewiththehairpin.

11.Theremovableweightsmustberemovedfrom
theunit.Toremovetheweightonthefrontof

13

Operation

thetoeboard,removethetwohairpinsthatretain
itandthenliftitfromthemountbracket.The
bracketboltedtothetoeboardremainsonthe
unit.

FortheLZUV3BUnits:Removethecaster
weightsbylooseningtheclampingknobsuntilthe
weightcanbemovedrelativetothecasterarm.
Removethehairpinsandclevispinsthathold
theweightstothecasterarms.Carefullyliftthe
weightsoffofthecasterarms.

Note:Theremovableweightsareheavy.Use
carewhenliftingthem.Makesurethatyoucan
holdthemsecurelybeforeliftingthem.Use
cautionwhenpositioningyourhandssothatyou
DoNotsetthemdownonyourhandsorngers.

Note:TheportionsoftheUltraVaccollection
systemthatarenotboltedtothemowerare
designedtobeinstalledorremovedintheir
entirety.DoNotoperatethemowerwithonlya
portionoftheUltraVacinstalled.

2.Removehairpinandchutepivotpin.Remove
dischargedeector.Pivotpinandhairpinmaybe
storedinthepivotholesofthedischargedeector
duringbaggingoperation.

3.Laythehopperassemblydownasshownin
Figure9.

Figure9

1.Lowerbaggermountbar2.Framenotch

4.Removethehairpinfromthemountpinandpull
themountpinoutoftheframemountbarrel.

WARNING

Casterortoeboardweightsinstalledwithout
thecollectionsystemmaycauselossof
tractionandsteeringcontrol.Lossofcontrol
canresultinanaccidentwhichmaycause
death,injury,orpropertydamage.

InstallcasterortoeboardweightsONLY
whenthecollectionsystemisinstalled.

12.Themachinecannowbeusedforsidedischarge
mowing.

CollectionSystemInstallation

Important:Verifythatthereinforcedbumpers

areinstalledonyourunitpriortooperation.

Important:Duetotheaddedweightofthe
UltraVac,itisimportanttoensuretheparking
brakeonyourmowerisadjustedproperly.Before
installingtheUltraV ac,makesuretore-adjust
theparkingbrakeonyourmowerasoutlinedin
the“AdjustingtheParkingBrake”procedurein
theMaintenancesectionofthetractorOperator’s
manual.

5.Pickuptheframelegsandhookthenotchonto
thelowermountbar(seeFigure9).

6.Liftthehopperassemblyandpivotitupward
towardsthebackoftheunit(seeFigure10).

Figure10

1.Rotatehopperassembly5.Hairpin

2.Rearbumper6.Mountpin

3.Mountbracket

4.Framemountbarrel

7.Opening

1.Stopengine,removekey,andwaitforallmoving
partstostop.Engageparkingbrake.

7.Continuetopushthehopperassemblyforward
untilitcontactsthemountbracket.

14

Operation

8.Adjusttheexhaustdiverterupordowninthe
slotssoittsoverthemufer.

9.Ifneeded,installwashersbetweentheexhaust
diverterandtheframetospacetheguardoutward.

10.Installthemountpinintotheframemount
barrel.Makesurethatitextendsintotheopening
betweentherearbumperandthemountbracket
(seeFigure10).

11.Aligntheholesinthemountpinandframe
mountbarrelandinsertthehairpintolockthe
hopperassemblyintoplace.

12.Tightenthehardwareontheexhaustdiverter.

13.Raisethehopperandinstallthebagassembliesby
insertingthehookportionintotheslotsinthe
baggersupportrods.

14.Removethebeltcoverontherightsideofthe
deck.

15.Mountthebloweronthedeckbyinsertingthe
mountingpinintothetubeweldedtotherear
cornerofthedeck(seeFigure11).Pivotthe
bloweruntilthefrontpinengagestheslotin
thedeck.Adjustthepositionofthefrontpin
ifnecessarytoengagetheslot.Usethelatches
tolocktheblowerinthisposition.Adjustthe
tensiononthelatchtoholdthebloweruptothe
deck,yetallowforreleasebyhand.

sideortemporarilyremoved.Eitherloosen
orremovebothnutsonthetopandbottom
ofthebeltguide.Oncethebeltisinstalled
ontheimpellersheave,reinstallthebeltguide
andtightenallhardware.

Figure12

1.Nut2.Beltguide

B.Pullthespringloadedidlerreleasehandle

backandinstallthebeltintheuppergroove
ofthetopspindlesheave.Thebeltshouldbe
routedasshowninFigure13.

Figure11

1.Slot

2.Frontpin5.Decktube

3.Blowerlatch

4.Mountingpin

16.BeltInstallation:

ForSmallDecks:

A.Slipthebeltovertheimpellersheaveonthe

blower.

Note:Itmaybeeasiertoinstallthebeltif
thebeltguideistemporarilyshiftedtoone

SmallDecks—ViewfromT opofBlower

1.Springloadedidler

2.Impellersheave5.Decksheave

3.Fixedidler

ForLargeDecks:

Pullthespringloadedidlerbackandslipthebelt
overthetopdecksheave.

15

Figure13

4.Beltguide

Operation

Figure14

LargeDecks—ViewfromT opofBlower

1.Impellersheave

2.Decksheave

3.Springloadedidler

17.Positionthebeltcoveratanangleandslideit
underthemowerframe(seeFigure15).

Figure16

1.Blower3.Decklip

2.Beltcover

20.Installtheknobanditshardware.

21.Sliptheupperandthelowertubestogether.

22.Inserttheuppertubeintothehopperseal–
pushinthenpulloutsothatthesealisextended
outward.

23.Alignthedimpleontheuppertubewiththeend
ofhoppersealandcenterbetweenthetwoscrews
asshowninFigure17.

Figure15

1.Blower

2.Beltcover

3.Mowerframe

18.Pushdownonthebackofthecoverandslideit
backwardsundertheblower.

19.Slidethebeltcoverforwarduntilitisseatedunder
bothlipsonthedeck.

Figure17

1.Dimple

24.Setthedeckinlowestcuttingposition.

25.Slidethelowertubeontotheblowerandattach
thelatches.(Makesurethattheuppertubedoes
notmoveoutofalignment).

26.Ifthelowertubeisreplaced,drillthree7/32inch
holesinthelowertubeusingtheuppertubeholes
asreference.SeeFigure18.

27.Removethetubesfromunitandassemblethe
upperandthelowertubesusingthree#10-24
x3/4inchhexwasherheadscrews,three#10
washers,andthree#10-24nylocnuts.Thescrew
headshouldbeinstalledtotheinsideofthe

16

tubetoprovideminimumobstructiontoow .
Makesurethattheupperandthelowerendsare
orientedproperlyasthetubesareassembled.
(Partinglinesshouldroughlybelinedup.)

Operation

Figure19

30.ForLZUV3BUnitsOnly:

A.Installtheremovablecasterweightsonthe

casterarms(seeFigure20).

B.Inserttheclevispinthroughthebrackethole

andfastenwithahairpin.

Figure18

1.Drilltheholeshere

28.Slidethelowerendofthetubeassemblyoverthe
bloweroutletandalignthenotchwiththetube
latch.Latchthetubetotheblower.

29.Installtheremovableweights.Hookthefronttoe
boardweightassemblyoverthetopoftheweight
mountingplateandsecurewithtwohairpins
Figure19).

WeightQuantities

Deck
Size

Toe
Board
Weight

Caster
Weight

48inch52inch60inch72inch

3

——

221

22

C.Tightenknobonweightassemblyuntilthe

weightisclampedsecurelytothecasterarm.

Figure20

ForLZUV3BUnitsOnly

1.Clevispin

2.Knob

3.Hairpin

4.Casterweight

Note:Theremovableweightsareheavy.Use
carewhenliftingthem.makesurethatyoucan
holdthemsecurelybeforeliftingthem.Use
cautionwhenpositioningyourhandstothatyou
DoNotsetthemdownonyourhandsorngers.

Transporting

TransportingaUnit

Useaheavy-dutytrailerortrucktotransportthe
machine.Lockbrakeandblockwheels.Securely
fastenthemachinetothetrailerortruckwithstraps,
chains,cable,orropes.Besurethatthetrailerortruck

17

Operation

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
thepossibilityofbackwardtip-over.
Backwardtip-overcouldcauseseriousinjury
ordeath.

•Useextremecautionwhenoperatinga
unitonaramp.

•Useonlyasingle,fullwidthramp;Do
Notuseindividualrampsforeachside
oftheunit.

loadingunitsontrailersortrucks.Onefullwidth
rampthatiswideenoughtoextendbeyondtherear
tiresisrecommendedinsteadofindividualrampsfor
eachsideoftheunit.Thelowerrearsectionofthe
tractorframeextendsbackbetweentherearwheels
andservesasastopfortippingbackward.Having
afullwidthrampprovidesasurfacefortheframe
memberstocontactiftheunitstartstotipbackward.
Ifitisnotpossibletouseonefullwidthramp,use
enoughindividualrampstosimulateafullwidth
continuousramp.

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.

•Ifindividualrampsmustbeused,use
enoughrampstocreateanunbroken
rampsurfacewiderthantheunit.

•DoNotexceeda15°anglebetweenramp
andgroundorbetweenrampandtrailer
ortruck.

•Avoidsuddenaccelerationwhiledriving
unituparamptoavoidtippingbackward.

•Avoidsuddendecelerationwhilebacking
unitdownaramptoavoidtipping
backward.

LoadingaUnit

DoNottransporttheunitwiththehopperfull.
Emptythehopperbeforeattemptingtoloadunit
ontrailerortruck.Thiswillreducethechance
ofrearwardtipup.Useextremecautionwhen

RolloverProtectionSystem(ROPS)

Therollbarhasanintermediatepositionthatallows
thebartobeloweredtoprovideoverheadclearance,
butnotrestdirectlyontheUltraVacassembly.Insert
a1/2x3inchboltand1/2inchnut(orExmark
serviceparts:clevispinP/N283-55andhairpinP/N
1-806005)intothedownstopholeoneachsideand
lowertherollbar.

Figure21

1.Intermediateposition2.Downstophole

18

Important:Therollbarisanintegraland
effectivesafetydevice.Keeptherollbarinthe
raisedandlockedpositionwhenoperatingthe
mower.Lowertherollbartemporarilyonlywhen
absolutelynecessary.

RefertotheOperator’ smanualsuppliedwithyour
tractorforadditionalROPSsafetyandoperating
instructions.

Operation

19

Maintenance

Maintenance

Note:Determinetheleftandrightsidesofthemachinefromthenormaloperatingposition.

WARNING

Whilemaintenanceoradjustmentsarebeing
made,someonecouldstarttheengine.
Accidentalstartingoftheenginecould
seriouslyinjureyouorotherbystanders.

Removethekeyfromtheignitionswitch,
engageparkingbrake,andpullthewire(s)
offthesparkplug(s)beforeyoudoany
maintenance.Alsopushthewire(s)aside
soitdoesnotaccidentallycontactthespark
plug(s).

RecommendedMaintenanceSchedule(s)

MaintenanceService

Interval

Beforeeachuseordaily

MaintenanceProcedure

•Checktheblowerhousing/impeller.

•Checkbags.

•Checkexhaustdiverter.

•Cleanmuferandrearframearea.

•Cleanrearscreeninthehopper.

WARNING

Theenginecanbecomeveryhot.Touching
ahotenginecancausesevereburns.

Allowtheenginetocoolcompletelybefore
serviceormakingrepairsaroundtheengine
area.

Every25hours

Every50hours

Yearlyorbeforestorage

•Lubricategreasettings.

•Checkconditionofbelt.

•Cleanblower.

PeriodicMaintenance

CheckBlower
Housing/Impeller

ServiceInterval:Beforeeachuseordaily

1.Stopengine,waitforallmovingpartstostop,and
removekey.Engageparkingbrake.

2.Inspectforwearordamagedaily .Replaceor
repairwornpartsasneeded.

Note:Whenmowinginareaswithsandysoil,
uselowliftbladesonthecuttingdeckandhigher
cuttingheightstominimizewearontheblower
components.

CheckBags

ServiceInterval:Beforeeachuseordaily

1.Stopengine,waitforallmovingpartstostop,and
removekey.Engageparkingbrake.

2.Inspectthebagsforwear,tears,ordamage.

WARNING

Undernormalusethebagwilldeteriorate
andwear.Objectscouldexitthroughworn
bagathighspeeds.Thrownobjectscan
causeseriousinjuryorkillyouorbystanders.

Checkbagsfrequentlyfortearsandholes.
Replacewornbags.

20

Maintenance

CheckExhaustDiverter

ServiceInterval:Beforeeachuseordaily

CAUTION

Theexhaustdiverterishot.T ouchingahot
exhaustdivertercancausesevereburns.

Allowtheexhaustdivertertocoolcompletely
beforeperformingmaintenance.

1.Stopengine,waitforallmovingpartstostop,and
removekey.Engageparkingbrake.

2.Inspectandremovedebrisfromtheexhaust
diverterdaily.

LubricateGreaseFittings

Note:Seechartforserviceintervals.

1.Stopengine,waitforallmovingpartstostop,and
removekey.Engageparkingbrake.

2.LubricatettingswithNGLIgrade#2
multi-purposegungrease.

Refertothefollowingchartforttinglocations
andlubricationschedule.

Adjustments

AdjustingtheBlowerDrive
BeltPosition

1.Readtheoperator’smanualfortheUltraVac
andmowerbeforeperformingthisadjustment.
Makesurethatyouunderstandthecontrols,their
locationstheirfunctionsandsafetyrequirements.

2.Ensuretheblower,beltcover,bags,tubeand
hopperareingoodcondition,properlyattached
andlatched.

3.RuntheunitwiththePTOandtheblower
engagedfortwominutes.

4.DisengagethePTO ,stoptheengineandremove
thekey.

5.Removethebeltcoverandchecktomakesure
thatthebeltisridingnearthecenteroftheat
idlerontheidlerarm.Ifthebeltisnotridingnear
thecenteroftheidler,removetheblower,and
bendtheidlerarmslightly.

6.Reinstalltheblowerandbeltcoverandperform
steps3-5againtoverifybeltposition.

LubricationChart

Fitting

Locations

1.Idler
Bushings

Initial

Pumps

1–21

Numberof

Places

Service

Interval

25Hours

CheckConditionofBelt

ServiceInterval:Every50hours

AllUnits

1.Stopengine,waitforallmovingpartstostop,and
removekey.Engageparkingbrake.

2.Inspectthebeltfordamageorwear.Replacebelt
withoneofthefollowing:

Deck

48inch

52inch

60inch

72inch

PartNo.

1-653333

1-653438

103-0866

103-0867

21

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.

CleanRearScreenInHopper

ServiceInterval:Beforeeachuseordaily

1.Stopengine,waitforallmovingpartstostop,and
removekey.Engageparkingbrake.

2.Openhopperandremoveclippingsthatarestuck
tothescreen.

CleanBlower

ServiceInterval:Yearlyorbeforestorage

Grassbuildupmaycauseproblemswiththeimpeller
whentheunitisputbackintooperation.

1.Stopengine,waitforallmovingpartstostop,and
removekey.Engageparkingbrake.

2.Removegrassbuildupfromaroundtheimpeller
beforeplacingitinstorage.

22

Troubleshooting

Troubleshooting

Important:Itisessentialthatalloperatorsafetymechanismsbeconnectedandinproperoperating

conditionpriortomoweruse.

Whenaproblemoccurs,DoNotoverlookthesimplecauses.Forexample:startingproblemscouldbe
causedbyanemptyfueltank.

Thefollowingtablelistssomeofthecommoncausesoftrouble.DoNotattempttoserviceorreplacemajor
itemsoranyitemsthatcallforspecialtimingoradjustmentprocedures(suchasvalves,governor,etc.).Have
thisworkdonebyyourEngineServiceDealer.

Note:WhendisconnectingelectricalconnectorsDoNotpullonthewirestoseparatetheconnectors.

ProblemPossibleCauseCorrectiveAction

Abnormalvibration.

Blowerdrivebeltsnapsorbreaksfrequently.

Excessivegrassblowoutfromthedeck.

Blowerandtubesplugtoofrequently .

Blowerimpellerdoesnotspinfreely .

1.Cuttingblade(s)is/arebentorunbalanced.

2.Blademountingboltisloose.2.Tightentheblademountingbolt.

3.Looseblowerpulleyorpulleyassembly.

4.Blowerimpellerbladesarebent.4.ContactanAuthorizedServiceDealer.

1.Idlerarmisoutofalignment.1.Correctthealignmentoftheidlerarm.

1.Bagsarefull.

2.Pluggedscreeninbaggerhopper.2.Removedebris,leavesorgrassclippings

3.Groundspeedistoofast.

4.Blowerbeltisworn,loose,orbroken.4.Installnewblowerbelt.

5.Pluggedtubeorblower.5.Locateandremovepluggeddebris.

6.Conditionsaredry.6.Uselowerliftblade.

1.Bagsaretoofull.

2.Groundspeedistoofast.

3.Grassistoowet.

4.Grassistoolong.4.Cutgrassmorefrequentlyorathighercut

5.Pluggedscreeninbaggerhopper.5.Removedebris,leaves,orgrassclippings

6.Blowerdrivebeltisworn,loose,or
broken.

7.Blowerisplugged.7.Uselowliftbladesinwetconditions.

1.Pluggedblower.1.Removedebris,leaves,orgrassclippings

2.Impellernotaligned.2.ContactanAuthorizedServiceDealer.

1.Installnewcuttingblade(s).

3.Tightentheappropriatepulley .

1.Emptybagsmorefrequently .

fromthescreen.

3.Drivesloweratfullthrottle.

1.Emptybagsmorefrequently

2.Drivesloweratfullthrottle.

3.Cutgrasswhenitisdry.

height.

fromthescreen.

6.Installnewbelt.

fromtheblowerimpeller.

Plowingleaves.

Chasingleaves.

Blowercomponentsshowsignsofwear
and/oraircleanersandcoolingnsaredirty.

1.Deckistoolow .

1.Blowoutfromdeck.1.Checkforcloggedtubes.

2.Hopperisfull.2.Dumpmorefrequently.

1.Sandordryconditions.1.Uselowliftbladesonthecutting

1.Raisethedeckslightly.

deckandhighercuttingheights.
Cleanaircleanersandcoolingns
frequently.

23

Conditions and Products Covered

Exmark Mfg. Co. Inc. and its affiliate, Exmark Warranty
Company, pursuant to an agreement between them, jointly
warrant on the terms and conditions herein, that we will repair,
replace or adjust any part on these products and found by us
(in the exercise of our reasonable discretion) to be defective in
factory materials or workmanship for a period of one year.

This warranty applies to Exmark commercial attachments and
accessories sold in the U.S. or Canada. This warranty may
only be assigned or transferred to a second (or third) owner by
an authorized Exmark dealer. The warranty period commences
upon the date of the original retail purchase.

 Warranty Exceptions Warranty Period

• Bags, Belts and Tires 90 days

This warranty only includes the cost of parts and labor.

Items and Conditions Not Covered

This warranty does not cover the following:

• Pickup and delivery charges to and from any authorized 
 Exmark Service Dealer.

• Any damage or deterioration due to normal use, wear and 
 tear, or exposure.

• Cost of regular maintenance service or parts, such as filters, 
 fuel, lubricants, tune-up parts, and adjustments.

• Any product or part which has been altered or misused or 
 required replacement or repair due to normal wear,  
 accidents, or lack of proper maintenance.

• Any repairs necessary due to use of parts, accessories or 
 supplies, including gasoline, oil or lubricants, incompatible 
 with the attachment or accessory or other than as  
 recommended in the operator's manual or other operational 
 instructions provided by Exmark.

All warranty work must be performed by an authorized
Exmark Service Dealer using Exmark approved replacement
parts.

Instructions for Obtaining Warranty Service

The product must be registered with original proof of purchase
by an Exmark Service Dealer before obtaining any warranty
service.

Contact any Exmark Service Dealer to arrange service at their
dealership. To locate a dealer convenient to you, access our
website at www.exmark.com. U.S. or Canada customers may
also call 402-223-6375.

If for any reason you are dissatisfied with the Service Dealer’s
analysis or with the assistance provided, contact us at:

 Exmark Customer Service Department
 The Exmark Warranty Company
 2101 Ashland Avenue
 Beatrice, NE 68310
 402-223-6375 or
 [e-mail]

Owner’s Responsibilities

If your product requires warranty service it must be returned
to an authorized Exmark service dealer within the warranty
period. This warranty extends only to commercial attachments
and accessories operated under normal conditions. You must
read the operator’s manual. You must also properly service
and maintain your Exmark product as described in the
operator’s manual or other operational instructions provided
by Exmark. Such routine maintenance, whether performed by
a dealer or by you, is at your expense.

General Conditions

The sole liability of Exmark and Exmark Warranty Company
with respect to this warranty shall be repair or replacement of
defective components as set forth herein. Neither Exmark

nor Exmark Warranty Company shall be liable for any
incidental or consequential loss or damage.

Such damages include but are not limited to:

• Expenses related to gasoline, oil or lubricants.

• Travel time, overtime, after hours time or other  
 extraordinary repair charges or charges relating to repairs or 
 replacements outside of normal business hours at the place 
 of business of the authorized Exmark Service Dealer.

• Rental of like or similar replacement equipment during the 
 period of any warranty, repair or replacement work.

• Any telephone or telegram charges or travel charges.

• Loss or damage to person or property other than that 
 covered by the terms of this warranty.

• Any claims for lost revenue, lost profit or additional cost as 
 a result of a claim of breach of warranty.

• Attorney's fees.

No Claim of breach of warranty shall be cause for cancellation
or rescission of the contract of sale of any Exmark attachment
or accessory.

All implied warranties of merchantability (that the
product is fit for ordinary use) and fitness for use (that the
product is fit for a particular purpose) are limited to the
duration of the express warranty.

Some states do not allow exclusions of incidental or
consequential damages, or limitations on how long an
implied warranty lasts, so the above exclusions and
limitations may not apply to you.

This warranty gives you specific legal rights, and you may
also have other rights which vary from state to state.

Exmark Commercial

Attachments and Accessories

1 Year Limited Warranty

G4500-433_B

24

Notes:

25

ServiceRecord

Date:

DescriptionofWorkDone:ServiceDoneBy:

26

G011841

Figure22

Thispagemaybecopiedforpersonaluse.

1.Themaximumslopeyoucansafelyoperatethemachineonis15degrees.Usetheslopeindicatortodeterminethe
degreeofslopeofhillsbeforeoperating.DoNotoperatethismachineonaslopegreaterthan15degrees.Fold
alongtheappropriatelinetomatchtherecommendedslope.

2.Alignthisedgewithaverticalsurface,atree,building,fencepole,etc.

3.Exampleofhowtocompareslopewithfoldededge.

27

MI D-MO UNT RIDI NG ACCESSORIES AND OPTION S

SEE EXMARK’S COMPLETE LINE OF ACCESSORIES AND OPTIONS

WALK-BEHIND ACCESSORIES AND OPTIONS

GRASS CATCHER

MICRO-MULCH SYSTEM

TURF STRIPER

STANDON

CUSTOM RIDE SEAT SUSPENSION SYSTEM

FULL SUSPENSION SEAT

DECK LIFT ASSIST KIT

HITCH KIT

LIGHT KIT

12

V POWER PORT

MICRO-MULCH SYSTEM

OPERATOR CONTROLLED DISCHARGE

ROLL OVER PROTECTION SYSTEM (ROPS)

SUN SHADE

TRASH CONTAINER

TURF STRIPER

ULTRA VAC COLLECTION SYSTEM

ULTRA VAC QUICK DISPOSAL SYSTEM

OU T-FRONT RIDING AC CESS ORIE S AN D OP TION S

CUSTOM RIDE SEAT SUSPENSION SYSTEM

DUAL-TAIL WHEEL

FLOOR PAN EXTENDER

HITCH KIT

LIGHT KIT

MICRO-MULCH SYSTEM

ROLL OVER PROTECTION SYSTEM (ROPS)

SNOW BLADE

SNOWBLOWER

SUN SHADE

TRASH CONTAINER

ULTRA VAC COLLECTION SYSTEM

ULTRA VAC QUICK DISPOSAL SYSTEM

WEATHER CAB

PlaceModelNo.andSerialNo.

LabelHere(IncludedintheLiterature

Pack)orFillinBelow

ModelNo.

SerialNo.

©2009ExmarkMfg.Co.,Inc.
IndustrialParkBox808
Beatrice,NE68310
AllRightsReserved

DatePurchased

PartNo.4500-608Rev.A
[phone]
Fax[phone]
PrintedintheUSA

www.exmark.com