Exmark Ultravac Bagger 126-8680 User manual

ULTRA V AC®BAGGER
126-8680
ForUltraVacSerialNos.
406,294,345&Higher
(TofitLaerZDieselModels
402,082,300&Higher)
PartNo.4504-786Rev.A

WARNING
CALIFORNIA
Proposition65Warning
Useofthisproductmaycauseexposure
tochemicalsknowntotheStateof
Californiatocausecancer,birthdefects,
orotherreproductiveharm.
Exmarkreservestherighttomakechangesor
addimprovementstoitsproductsatanytime
withoutincurringanyobligationtomakesuch
changestoproductsmanufacturedpreviously.
Exmark,oritsdistributorsanddealers,accept
noresponsibilityforvariationswhichmaybe
evidentintheactualspecicationsofitsproducts
andthestatementsanddescriptionscontained
inthispublication.
©2019ExmarkMfg.Co.,Inc.
2101AshlandAve
Beatrice,NE683102
Contactusatwww.Exmark.com.
PrintedintheUSA
AllRightsReserved

Introduction
CONGRATULATIONSonthepurchaseofyour
ExmarkUltraVac.Thisproducthasbeencarefully
designedandmanufacturedtogiveyouamaximum
amountofdependabilityandyearsoftrouble-free
operation.
Thismanualcontainsoperating,maintenance,
adjustment,andsafetyinstructionsforyourExmark
UltraVac.
BEFOREOPERATINGYOURMOWER,
CAREFULLYREADTHISMANUALINITS
ENTIRETY.
Byfollowingtheoperating,maintenance,and
safetyinstructions,youwillprolongthelifeofyour
UltraVac,maintainitsmaximumefciency,and
promotesafeoperation.
Important:Tomaximizesafety,performance,
andproperoperationofthismachine,itis
essentialthatalloperatorscarefullyreadand
fullyunderstandthecontentsoftheOperator’s
manualprovidedwiththeproduct.Safe
operationofExmarkequipmentisessential.
Failuretocomplywiththeoperatinginstructions
orreceivepropertrainingmayresultininjury.
Gotohttps://www.Exmark.comforadditional
safeoperationinformation,suchassafetytips,
trainingmaterials,andOperator’smanuals.
AllExmarkequipmentdealersanddistributorsare
keptinformedofthelatestmethodsofservicing
andareequippedtoprovidepromptandefcient
serviceintheeldorattheirservicestations.They
carryamplestockofservicepartsorcansecurethem
promptlyforyoufromthefactory.
AllExmarkpartsarethoroughlytestedandinspected
beforeleavingthefactory,however,attentionis
requiredonyourpartifyouaretoobtainthefullest
measureofsatisfactionandperformance.
Wheneveryouneedservice,genuineExmarkparts,
oradditionalinformation,contactanAuthorized
ServiceDealerorExmarkCustomerServiceandhave
themodelandserialnumbersofyourproductready.
Figure1identifythelocationofthemodelandserial
numbersontheproduct.Writethenumbersinthe
spaceprovided.
g241694
Figure1
ModelNo.
SerialNo.
Forcompletewarrantydetails,see
https://www.Exmark.com.Youmayalsocall
us402-223-6375torequestawrittencopyofthe
product’swarranty.
3

Contents
Introduction...........................................................3
Safety.....................................................................5
SafetyAlertSymbol.........................................5
GeneralSafetyInformation.............................5
SafetyandInstructionalDecals.......................6
Specications.........................................................8
Systems...........................................................8
Dimensions.....................................................8
TorqueRequirements......................................8
ProductOverview..................................................8
Operation...............................................................9
BeforeOperation............................................9
BeforeOperationSafety..................................9
Pre-Start..........................................................9
OperatingInstructions....................................9
DuringOperationSafety..................................9
AfterOperation..............................................16
Maintenance..........................................................17
RecommendedMaintenanceSchedule(s)............17
PeriodicMaintenance........................................17
CheckBlowerHousing/Impeller....................17
CheckBags.....................................................17
LubricateGreaseFittings................................17
CheckConditionofBelt.................................18
Cleaning............................................................18
CleanMuferandRearFrameArea.................18
CleanHoodScreenonMower........................18
CleanRearScreenInHopper..........................18
CleanBlower..................................................18
Troubleshooting....................................................19
CaliforniaProposition65Warning
Information...............................................20
4

Safety
Safety
SafetyAlertSymbol
ThisSafetyAlertSymbol(Figure2)isusedbothin
thismanualandonthemachinetoidentifyimportant
safetymessageswhichmustbefollowedtoavoid
accidents.
Thissymbolmeans:ATTENTION!BECOME
ALERT!YOURSAFETYISINVOLVED!
g000502
Figure2
SafetyAlertSymbol
Thesafetyalertsymbolappearsaboveinformation
whichalertsyoutounsafeactionsorsituations
andwillbefollowedbythewordDANGER,
WARNING,orCAUTION.
DANGER:Indicatesanimminentlyhazardous
situationwhich,ifnotavoided,Willresultindeathor
seriousinjury.
WARNING:Indicatesapotentiallyhazardous
situationwhich,ifnotavoided,Couldresultindeath
orseriousinjury.
CAUTION:Indicatesapotentiallyhazardous
situationwhich,ifnotavoided,Mayresultinminor
ormoderateinjury.
Thismanualusestwootherwordstohighlight
information.Importantcallsattentiontospecial
mechanicalinformationandNoteemphasizes
generalinformationworthyofspecialattention.
GeneralSafetyInformation
Thismachineiscapableofamputatinghandsand
feetandofthrowingobjects.Exmarkdesignedand
testedthismachinetoofferreasonablysafeservice;
however,failuretocomplywithsafetyinstructions
mayresultininjuryordeath.
•Read,understand,andfollowallinstructions
andwarningsinthemowerandUltraVac
Operator’sManualsandothertrainingmaterial,
onthemachine,engine,andattachments.All
operatorsandmechanicsshouldbetrained.If
theoperator(s)ormechanic(s)cannotreadthis
manual,itistheowner’sresponsibilitytoexplain
thismaterialtothem;otherlanguagesmaybe
availableonourwebsite.
•Onlyallowtrained,responsible,andphysically
capableoperatorsthatarefamiliarwiththesafe
operation,operatorcontrols,andsafetysignsand
instructionstooperatethemachine.Neverlet
childrenoruntrainedpeopleoperateorservice
theequipment.Localregulationsmayrestrictthe
ageoftheoperator.
•DoNotputyourhandsorfeetnearmoving
componentsofthemachine.
•Neveroperatethemachinewithdamagedguards,
shields,orcovers.Alwayshavesafetyshields,
guards,switchesandotherdevicesinplaceandin
properworkingcondition.
•Stopthemachine,shutofftheengine,andremove
thekeybeforeservicing,fueling,orunclogging
themachine.
5

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.
decal112-9028
112-9028
1.Warning—stayawayfrommovingparts;keepallguards
andshieldsinplace.
decal126-4659
126-4659
1.Warning-Hotpulley;allowtocool.
decal126-4662
126-4662
1.Warning-ReadtheOperator’smanualforcorrect
quantityofcounterbalanceweight(s).
2.Lossoftractionandsteeringorreducedstability
hazard-UltraVaccounterbalanceweight(s)installed
withoutUltraVacmaycauselossoftractionand
steeringcontrol.UltraVacinstalledwithoutUltraVac
counterbalanceweight(s)willcausereducedstability.
Installweight(s)onlywhenUltraVacisinstalled.
decal126-4853
126-4853
1.Impeller/RotatingBladeshazard-Keephandsaway
frommovingparts.Keepallsafetydevicesinplace
andworking.DoNotreachintoblowerunlessrotation
indicatorhasstopped.
6

Safety
decal133-8061
133-8061
decal126-4584
126-4584
1.Impeller/RotatingBladeshazard-Keephandsawayfrommovingparts.Keepallsafetydevicesinplaceandworking.Do
Notreachintoblowerunlessrotationindicatorhasstopped.DisengagePTO,stopengine,removekey,WAITFOR
MOVINGPARTSTOSTOP .
2.Rotationindicator
3.Thrownobjectshazard-Highspeeddischargecancauseinjuryordeath.DoNotrunblowerwithoutentirecollection
systeminstalledandlatched.ReadtheOperator’smanual.
7

ProductOverview
Specications
Systems
BaggingSystem
•Collectionbins:
–Commercialgrade,clothmeshbagswith
reinforcedbottoms.
–Capacity: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:
w/UltraVac
LazerZDieselw/60inch
Deck
74.9inches(190.2cm)
LazerZDieselw/72inch
Deck
87.0inches(221.0cm)
OverallLength:
w/UltraVac
LazerZDieselw/60inch
Deck
120.8inches(306.8cm)
LazerZDieselw/72inch
Deck
124.0inches(315.0cm)
CurbWeight:
UltraVacWeight(W/CompletingKit):430lb(195kg)
TorqueRequirements
BoltLocationTorque
ImpellerSpindleBottom
Nut
55-60ft-lb(75-81N-m)
ImpellerSpindleTopNut75-80ft-lb(102-108N-m)
ProductOverview
g241705
Figure3
1.Hopper4.Tube
2.Casterweight5.Bag
3.Blower
8

Operation
Operation
Note:Determinetheleftandrightsidesofthe
machinefromthenormaloperatingposition.
Important:Duetotheaddedweightofthe
UltraVac,itisimportanttoensuretheparking
brakeonyourmowerisadjustedproperly.Before
installingtheUltraVac,makesuretore-adjust
theparkingbrakeonyourmowerasoutlinedin
the“AdjustingtheParkingBrake”procedurein
theMaintenancesectionofthemowerOperator's
manual.
BeforeOperation
BeforeOperationSafety
GeneralSafety
•Evaluatetheterraintodeterminewhataccessories
andattachmentsareneededtoproperlyandsafely
performthejob.Onlyuseonmachinesapproved
byExmark.
•Wearappropriatepersonalprotectiveequipment
suchassafetyglasses,substantialslip-resistant
footwear,andhearingprotection.Tiebacklong
hairandavoidlooseclothingandloosejewelry
whichmaygettangledinmovingparts.
CAUTION
Thismachineproducessoundlevelsinexcess
of85dBAattheoperator’searandcancause
hearinglossthroughextendedperiodsof
exposure.
Wearhearingprotectionwhenoperatingthis
machine.
•Inspecttheareawheretheequipmentistobe
usedandremoveallrocks,toys,sticks,wires,
bones,andotherforeignobjectswhichcanbe
thrownbythemachineandmaycausepersonal
injurytotheoperatororbystanders.
Pre-Start
Makesureyouunderstandthecontrols,their
locations,theirfunctions,andtheirsafety
requirements.
Ensuretheblower,doormesh,tubesandhopperare
ingoodcondition,properlyattached,andlatched.
RefertotheMaintenancesectionandperformallthe
necessaryinspectionandmaintenancesteps.
OperatingInstructions
DuringOperationSafety
GeneralSafety
Theoperatormustusetheirfullattentionwhen
operatingthemachine.DoNotengageinanyactivity
thatcausesdistractions;otherwise,injuryorproperty
damagemayoccur.
•ThemachinethattheUltraVacattachestowas
designedforoneoperatoronly.Donotcarry
passengersandkeepallothersawayfrommachine
duringoperation.
•Operateonlyindaylightorgoodarticiallight.
•Lightningcancausesevereinjuryordeath.If
lightningisseenorthunderisheardinthearea,
DoNotoperatethemachine;seekshelter.
•Keepawayfromholes,ruts,bumps,rocks,and
otherhiddenhazards.Usecarewhenapproaching
blindcorners,shrubs,trees,tallgrassorother
objectsthatmayhideobstaclesorobscurevision.
Uneventerraincouldoverturnthemachineor
causetheoperatortolosetheirbalanceorfooting.
•Nevermowwiththedischargedeectorraised,
removedoralteredunlessthereisagrass
collectionsystemormulchkitinplaceand
workingproperly.
DANGER
Therearerotatingbladesintheblowerand
underthemowerdeck.Bladecontactcan
causeseriousoperatororbystanderinjuryor
evendeath.
•DoNotreachintoblowerunlessrotation
indicatorhasstopped.DisengagePTO,
stopengine,removekey,waitforall
movingpartstostop.Engageparking
brake.
•Neveroperatemowerunlessdischarge
deector,entiregrasscollectionsystem,
ormulchkitisinstalled.
9

Operation
•Stoptheblades,slowdown,andusecaution
whencrossingsurfacesotherthangrassandwhen
transportingthemowertoandfromtheareato
bemowed.
•Beawareofthemowerdischargepathanddirect
dischargeawayfromothers.Avoiddischarging
materialagainstawallorobstructionasthe
materialmayricochetbacktowardtheoperator.
Stoptheblades,slowdown,andusecaution
whencrossingsurfacesotherthangrassandwhen
transportingthemowertoandfromtheareato
bemowed.
WARNING
Hands,feet,hair,clothing,oraccessoriescan
becomeentangledinrotatingparts.Contact
withtherotatingpartscancausetraumatic
amputationorseverelacerations.
•DoNotoperatethemachinewithout
guards,shields,andsafetydevicesinplace
andworkingproperly.
•Keephands,feet,hair,jewelry,orclothing
awayfromrotatingparts.
•Parkmachineonlevelground.Stopengine,wait
forallmovingpartstostop,removekeyand
engageparkingbrake:
–Beforechecking,cleaningorworkingonthe
mower.
–Afterstrikingaforeignobjectorabnormal
vibrationoccurs(inspectthemowerfor
damageandmakerepairsbeforerestarting
andoperatingthemower).
–Beforeclearingblockages.
–Wheneveryouleavethemower.
•Tragicaccidentscanoccuriftheoperatorisnot
alerttothepresenceofchildren.Childrenare
oftenattractedtothemachineandthemowing
activity.Neverassumethatchildrenwillremain
whereyoulastsawthem.
–Keepchildrenoutofthemowingareaand
underthewatchfulcareofanotherresponsible
adult,nottheoperator.
–Bealertandturnthemachineoffifchildren
enterthearea.
–Beforeandwhilebackingorchanging
direction,lookbehind,down,andside-to-side
forsmallchildren.
–Neverallowchildrentooperatethemachine.
–DoNotcarrychildren,evenwiththeblades
shutoff.Childrencouldfalloffandbe
seriouslyinjuredorinterferewiththesafe
operationofthemachine.Childrenthathave
beengivenridesinthepastcouldsuddenly
appearintheworkingareaforanotherrideand
berunoverorbackedoverbythemachine.
Mowing
1.TheUltraVacbloweroperateswhenthePTOis
engaged.Besurethatallpersonsareclearofthe
mowerdeckbeforeengagingthecuttingblades.
ToengagethePTO,pulltheswitchoutwardto
engagethecuttingbladesandblower.
2.DisengagethePTObypushinginonthePTO
switchtothe“STOP”positiontostopthecutting
bladesandblower.Thecuttingbladeswillrequire
aslightlylongeramountoftimetocometoa
completestopwhentheblowerisinstalledon
thedeck.Verifythatallrotationindicatorshave
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.
10

Operation
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.
g242330
Figure4
1.Hopper5.Beltcover
2.Clevispin6.Blower
3.Casterarmweight7.Tubes
4.Hairpin8.Bag
4.Removetheknobfromthebeltcoverbracketand
takeoffthebeltcover.
g007981
Figure5
1.Beltcoverbracket4.Belt
2.Beltcover5.Decksheave
3.Knob
CAUTION
Thedecksheavewillbecomeveryhot.
Touchingahotdecksheavecancausesevere
burns.
Allowthedecksheavetocoolcompletely
beforeremovingthebelt.
5.Pulltheidlerreleasehandleandremovethebelt
fromtheuppergrooveofthedecksheave.
6.Unlatchthefrontendoftheblower.Pivotthe
blowerbackandliftitoffthedeck.
g032035
Figure6
1.Blowerlatch
2.Pivotblowerawayfromdeck
11

Operation
7.Installthedischargedeectorusingthechute
pivotpinandhairpin(seeFigure7).
g009319
Figure7
1.Hairpin3.Dischargedeector
2.Chutepivotpin
WARNING
Anuncovereddischargeopeningwill
allowobjectstobethrowninoperator'sor
bystander'sdirection.Also,contactwith
bladecouldoccur.Thrownobjectsorblade
contactcancauseseriousinjuryordeath.
Neveroperatemowerunlessdischarge
deector,orentiregrasscollectionsystem,or
mulchkitisinstalled.
8.Re-installtheplasticbeltcoverandtightenthe
knobs.
9.Removethebagsfromthehopperassemblyby
openingthehopperandliftingupontherearof
thebagandthenunhookingthefrontclip.
10.Removethehopperassembly.
11.Removethecasterweights.
A.Removethe3/8-16inchnylocnutfromthe
bottomofthe45lb(20.4kg)weightmounted
tothecasterarm.Removethe3/8-16x8inch
screwandwasher.
g242048
Figure8
1.3/8-16x61/2inchscrew6.Hairpin
2.Knob7.20lb(9.1kg)caster
weight
3.Bracket8.3/8-16inchnylocnut
4.45lb(20.4kg)caster
weight
9.Washer
5.Clevispin10.3/8-16x8inchscrew
B.Removethe3/8-16inchnylocnutfromthe
top20lb(9.1kg)casterweight.
C.Carefullyliftandremoveeachweightfrom
thecasterarms.
Note:Theremovableweightsareheavy.Use
carewhenliftingthem.Makesurethatyou
canholdthemsecurelybeforeliftingthem.
Usecautionwhenpositioningyourhands
sothatyouDoNotsetthemdownonyour
handsorngers.
12

Operation
D.Removebracketassemblyandallmounting
hardwarefromthecasterarm.
E.RepeatfortheRHside.
12.Removethecasterweightsbylooseningthe
clampingknobsuntiltheweightcanbemoved
relativetothecasterarm.Removethehairpins
andclevispinsthatholdtheweightstothecaster
arms.Carefullylifttheweightsoffofthecaster
arms.
Note:TheportionsoftheUltraVaccollection
systemthatarenotboltedtothemowerare
designedtobeinstalledorremovedintheir
entirety.DoNotoperatethemowerwithonlya
portionoftheUltraVacinstalled.
WARNING
Casterortoeboardweightsinstalledwithout
thecollectionsystemmaycauselossof
tractionandsteeringcontrol.Lossofcontrol
canresultinanaccidentwhichmaycause
death,injury,orpropertydamage.
InstallcasterortoeboardweightsONLY
whenthecollectionsystemisinstalled.
13.Themachinecannowbeusedforsidedischarge
mowing.
CollectionSystemInstallation
Important:Duetotheaddedweightofthe
UltraVac,itisimportanttoensuretheparking
brakeonyourmowerisadjustedproperly.Before
installingtheUltraVac,makesuretore-adjust
theparkingbrakeonyourmowerasoutlinedin
the“AdjustingtheParkingBrake”procedurein
theMaintenancesectionofthemowerOperator's
manual.
1.Stopengine,removekey,andwaitforallmoving
partstostop.Engageparkingbrake.
2.Removehairpinandchutepivotpin.Remove
dischargedeector.Pivotpinandhairpinmaybe
storedinthepivotholesofthedischargedeector
duringbaggingoperation.
3.Laythehopperassemblydownbehindthe
machine.Pickupthebaggerframelegsandhook
thenotchontothelowerbaggermountbaras
showninFigure9.
g242492
Figure9
1.Lowerbaggermountbar2.Frameleg
4.Liftthehopperassemblyandpivotitupward
towardsthebackofthemachine.Attachtherod
supporttoeachsideoftherearframeasshownin
Figure10.
g242046
Figure10
Rightsideshown
1.Rodsupportassembly4.Mountpinwithlanyard
2.Baggerpin5.1/2inchlocknut
3.Washer
5.Raisethehopperandinstallthebagassembliesby
insertingthehookportionintotheslotsinthe
baggersupportrods.
13

Operation
6.Removethebeltcoverontherightsideofthe
deck.
7.Mountthebloweronthedeckbyinsertingthe
mountingpinintothetubeweldedtotherear
cornerofthedeck(seeFigure11).Pivotthe
bloweruntilthefrontpinengagestheslotin
thedeck.Adjustthepositionofthefrontpin
ifnecessarytoengagetheslot.Usethelatches
tolocktheblowerinthisposition.Adjustthe
tensiononthelatchtoholdthebloweruptothe
deck,yetallowforreleasebyhand.
g242047
Figure11
1.Slot4.Mountingpin
2.Frontpin5.Decktube
3.Blowerlatch
8.Pullthespringloadedidlerbackandslipthebelt
overthetopdecksheave.
g009311
Figure12
ViewfromT opofBlower
1.Impellersheave3.Springloadedidler
2.Decksheave
9.Positionthebeltcoveratanangleandslideit
underthemowerframe(seeFigure13).
g242180
Figure13
1.Blower3.Mowerframe
2.Beltcover
10.Pushdownonthebackofthecoverandslideit
backwardsundertheblower.
11.Slidethebeltcoverforwarduntilitisseatedunder
bothlipsonthedeck.
g009341
Figure14
1.Blower3.Decklip
2.Beltcover
12.Installtheknobanditshardware.
13.Sliptheupperandthelowertubestogether.
14.Inserttheuppertubeintothehopperseal–
pushinthenpulloutsothatthesealisextended
outward.
15.Alignthedimpleontheuppertubewiththeend
ofhoppersealandcenterbetweenthetwoscrews
asshowninFigure15.
14

Operation
g007027
Figure15
1.Dimple
16.Setthedeckinlowestcuttingposition.
17.Slidethelowertubeontotheblowerandattach
thelatches.(Makesurethattheuppertubedoes
notmoveoutofalignment).
18.Ifthelowertubeisreplaced,drillthree7/32inch
holesinthelowertubeusingtheuppertubeholes
asreference.SeeFigure16.
19.Removethetubesfromunitandassemblethe
upperandthelowertubesusingthree#10-24
x3/4inchhexwasherheadscrews,three#10
washers,andthree#10-24nylocnuts.Thescrew
headshouldbeinstalledtotheinsideofthe
tubetoprovideminimumobstructiontoow.
Makesurethattheupperandthelowerendsare
orientedproperlyasthetubesareassembled.
g007028
Figure16
1.Drilltheholeshere
20.Slidethelowerendofthetubeassemblyoverthe
bloweroutletandalignthenotchwiththetube
latch.Latchthetubetotheblower.
21.Installthecasterweights.
A.OntheLHside,insertthe3/8-16x61/2
inchscrewintoholeonthebottomsideofthe
bracketandtherearoftheremovable45lb
(20.4kg)casterweightasshowninFigure17.
Carefullyplacetheweightandbracket
assemblyontothecasterarmcenteringthe
holeoftheweightoverthecasterwheel.
g242048
Figure17
1.3/8-16x61/2inchscrew6.Hairpin
2.Knob7.20lb(9.1kg)caster
weight
3.Bracket8.3/8-16inchnylocnut
4.45lb(20.4kg)caster
weight
9.Washer
5.Clevispin10.3/8-16x8inchscrew
15

Operation
B.Securethebottomofthebrackettothecaster
armwithaclevispinandhairpin.
C.Tightentheknobonweightassemblyuntilit
isclampedsecurelytothecasterarm.
D.Installthree20lb(9.1kg)casterweightsover
theweightassemblyscrewandstackthem
securelyontothe45lb(20.4kg)casterweight.
Securetherearoftheweightassemblywitha
3/8-16inchnylocnut.
E.Install3/8-16x8inchscrewandwasher
throughthetopofthefrontholesofthe
weightassemblyandsecurewith3/8-16inch
nylocnut.
F.RepeatfortheRHside.
AfterOperation
GeneralSafety
•Parkmachineonlevelground,disengagedrives,
setparkingbrake,stopengine,removekeyor
disconnectsparkplugwire.Waitforallmovement
tostopandallowthemachinetocoolbefore
adjusting,cleaning,repairing,orstoring.Never
allowuntrainedpersonneltoservicemachine.
•CleanthemachineasstatedintheMaintenance
section.
•Frequentlycheckforwornordeteriorating
componentsthatcouldcreateahazard.Tighten
loosehardware.
16

Maintenance
Maintenance
WARNING
Whilemaintenanceoradjustmentsarebeing
made,someonecouldstarttheengine.
Accidentalstartingoftheenginecouldseriously
injureyouorotherbystanders.
Removethekeyfromtheignitionswitch,engage
parkingbrake,andpullthewire(s)offthespark
plug(s)beforeyoudoanymaintenance.Also
pushthewire(s)asidesoitdoesnotaccidentally
contactthesparkplug(s).
WARNING
Theenginecanbecomeveryhot.Touchingahot
enginecancausesevereburns.
Allowtheenginetocoolcompletelybefore
serviceormakingrepairsaroundtheenginearea.
RecommendedMaintenanceSchedule(s)
MaintenanceService
IntervalMaintenanceProcedure
Beforeeachuseordaily
•Checktheblowerhousing/impeller.
•Checkbags.
•Cleanmuferandrearframearea.
•Cleanhoodscreenonmower.
•Cleanrearscreeninthehopper.
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.
CheckBags
ServiceInterval:Beforeeachuseordaily
1.Stopengine,waitforallmovingpartstostop,and
removekey.Engageparkingbrake.
2.Inspectthebagsforwear,tears,ordamage.
WARNING
Undernormalusethebagwilldeteriorateand
wear.Objectscouldexitthroughwornbag
athighspeeds.Thrownobjectscancause
seriousinjuryorkillyouorbystanders.
Checkbagsfrequentlyfortearsandholes.
ReplacewornbagsonlywithExmark
replacementbags.
LubricateGreaseFittings
Note:Seechartforserviceintervals.
1.Stopengine,waitforallmovingpartstostop,and
removekey.Engageparkingbrake.
2.LubricatettingswithNLGIgrade#2
multi-purposegungrease.
17

Maintenance
Refertothefollowingchartforttinglocations
andlubricationschedule.
LubricationChart
Fitting
Locations
Initial
Pumps
Numberof
Places
Service
Interval
1.Idler
Bushings
1–2125Hours
CheckConditionofBelt
ServiceInterval:Every50hours
1.Stopengine,waitforallmovingpartstostop,and
removekey.Engageparkingbrake.
2.Inspectthebeltfordamageorwear.Replacebelt
withoneofthefollowing:
DeckPartNo.
60inch103-0866
72inch103-0867
Cleaning
CleanMuferandRear
FrameArea
ServiceInterval:Beforeeachuseordaily
Stopengine,waitforallmovingpartstostop,and
removekey.Engageparkingbrake.
WARNING
Operatingengineparts,especiallythemufer,
becomeextremelyhot.Severeburnscanoccur
oncontactanddebris,suchasleaves,grass,
brush,etc.cancatchre.
•Allowengineparts,especiallythemufer,to
coolbeforetouching.
•Removeaccumulateddebrisfrommuferand
enginearea.
CleanHoodScreenonMower
ServiceInterval:Beforeeachuseordaily
1.Stopengine,waitforallmovingpartstostop,and
removekey.Engageparkingbrake.
2.Cleanoffanydebrisorgrassbuild-upfromthe
mowerhoodscreen.
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.
18

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.Bagsarefull.1.Emptybagsmorefrequently.
2.Pluggedscreeninbaggerhopper.2.Removedebris,leavesorgrassclippings
fromthescreen.
3.Groundspeedistoofast.3.Drivesloweratfullthrottle.
4.Blowerbeltisworn,loose,orbroken.4.Installnewblowerbelt.
5.Pluggedtubeorblower.5.Locateandremovepluggeddebris.
Excessivegrassblowoutfromthedeck.
6.Conditionsaredry.6.Uselowerliftblade.
1.Bagsaretoofull.1.Emptybagsmorefrequently
2.Groundspeedistoofast.2.Drivesloweratfullthrottle.
3.Grassistoowet.3.Cutgrasswhenitisdry.
4.Grassistoolong.4.Cutgrassmorefrequentlyorathighercut
height.
5.Pluggedscreeninbaggerhopper.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.
1.Blowoutfromdeck.1.Checkforcloggedtubes.
Chasingleaves.
2.Hopperisfull.2.Dumpmorefrequently.
Blowercomponentsshowsignsofwear
and/oraircleanersandcoolingnsaredirty.
1.Sandordryconditions.1.Uselowliftbladesonthecutting
deckandhighercuttingheights.
Cleanaircleanersandcoolingns
frequently.
19

CaliforniaProposition65WarningInformation
Whatisthiswarning?
Youmayseeaproductforsalethathasawarninglabellikethefollowing:
WARNING:CancerandReproductiveHarm—www.p65Warnings.ca.gov.
WhatisProp65?
Prop65appliestoanycompanyoperatinginCalifornia,sellingproductsinCalifornia,ormanufacturingproductsthatmaybesoldinorbroughtintoCalifornia.Itmandates
thattheGovernorofCaliforniamaintainandpublishalistofchemicalsknowntocausecancer,birthdefects,and/orotherreproductiveharm.Thelist,whichisupdated
annually,includeshundredsofchemicalsfoundinmanyeverydayitems.ThepurposeofProp65istoinformthepublicaboutexposuretothesechemicals.
Prop65doesnotbanthesaleofproductscontainingthesechemicalsbutinsteadrequireswarningsonanyproduct,productpackaging,orliteraturewiththeproduct.
Moreover,aProp65warningdoesnotmeanthataproductisinviolationofanyproductsafetystandardsorrequirements.Infact,theCaliforniagovernmenthasclariedthat
aProp65warning“isnotthesameasaregulatorydecisionthataproductis‘safe’or‘unsafe.’”Manyofthesechemicalshavebeenusedineverydayproductsforyearswithout
documentedharm.Formoreinformation,gotohttps://oag.ca.gov/prop65/faqs-view-all.
AProp65warningmeansthatacompanyhaseither(1)evaluatedtheexposureandhasconcludedthatitexceedsthe“nosignicantrisklevel”;or(2)haschosentoprovidea
warningbasedonitsunderstandingaboutthepresenceofalistedchemicalwithoutattemptingtoevaluatetheexposure.
Doesthislawapplyeverywhere?
Prop65warningsarerequiredunderCalifornialawonly.ThesewarningsareseenthroughoutCaliforniainawiderangeofsettings,includingbutnotlimitedtorestaurants,
grocerystores,hotels,schools,andhospitals,andonawidevarietyofproducts.Additionally,someonlineandmailorderretailersprovideProp65warningsontheir
websitesorincatalogs.
HowdotheCaliforniawarningscomparetofederallimits?
Prop65standardsareoftenmorestringentthanfederalandinternationalstandards.TherearevarioussubstancesthatrequireaProp65warningatlevelsthatarefarlowerthan
federalactionlimits.Forexample,theProp65standardforwarningsforleadis0.5μg/day,whichiswellbelowthefederalandinternationalstandards.
Whydon’tallsimilarproductscarrythewarning?
•ProductssoldinCaliforniarequireProp65labellingwhilesimilarproductssoldelsewheredonot.
•AcompanyinvolvedinaProp65lawsuitreachingasettlementmayberequiredtouseProp65warningsforitsproducts,butothercompaniesmakingsimilar
productsmayhavenosuchrequirement.
•TheenforcementofProp65isinconsistent.
•CompaniesmayelectnottoprovidewarningsbecausetheyconcludethattheyarenotrequiredtodosounderProp65;alackofwarningsforaproductdoesnotmean
thattheproductisfreeoflistedchemicalsatsimilarlevels.
WhydoesExmarkincludethiswarning?
Exmarkhaschosentoprovideconsumerswithasmuchinformationaspossiblesothattheycanmakeinformeddecisionsabouttheproductstheybuyanduse.Exmark
provideswarningsincertaincasesbasedonitsknowledgeofthepresenceofoneormorelistedchemicalswithoutevaluatingthelevelofexposure,asnotallthelisted
chemicalsprovideexposurelimitrequirements.WhiletheexposurefromExmarkproductsmaybenegligibleorwellwithinthe“nosignicantrisk”range,outofanabundance
ofcaution,ExmarkhaselectedtoprovidetheProp65warnings.Moreover,ifExmarkdoesnotprovidethesewarnings,itcouldbesuedbytheStateofCaliforniaorby
privatepartiesseekingtoenforceProp65andsubjecttosubstantialpenalties.
20