Exmark AS User manual

AS
Brand
Exmark
Model
AS
Category
Air blowers/dryers
Type
User manual
ULTRAV AC®
LAZERZ®,LAZERZ®AS,
LAZERZ®XPAND
LAZERZ®XSMODELS
ForUltraVacSerialNos.
850,000&Higher
(totLazerZ(LZ),LazerZAS(LAS),and
LazerZXPUnits352,000–789,999)
(totLazerZXSUnits
352,000&Higher)
PartNo.4500-610Rev.A
Exmarkreservestherighttomakechangesor
addimprovementstoitsproductsatanytime
withoutincurringanyobligationtomakesuch
changestoproductsmanufacturedpreviously.
Exmark,oritsdistributorsanddealers,accept
noresponsibilityforvariationswhichmaybe
evidentintheactualspecicationsofitsproducts
andthestatementsanddescriptionscontained
inthispublication.
©2009—ExmarkMfg.Co.,Inc.
IndustrialParkBox808
Beatrice,NE68310
2
Contactusatwww.Exmark.com.
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.
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....................................11
ProductOverview................................................12
Operation.............................................................12
Pre-Start........................................................12
OperatingInstructions..................................12
Transporting.................................................16
Maintenance.........................................................18
RecommendedMaintenanceSchedule(s)...........18
PeriodicMaintenance.......................................18
CheckBlowerHousing/Impeller...................18
CheckBags....................................................18
LubricateGreaseFittings...............................19
CheckConditionofBelt................................19
Cleaning...........................................................20
CleanMuferandRearFrameArea................20
CleanRearScreenInHood............................20
CleanBlower.................................................20
Troubleshooting...................................................21
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
•ReadthetractorandUltraVacOperator’sManuals
andothertrainingmaterial.Iftheoperator(s)or
mechanic(s)cannotreadEnglishitistheowner’s
responsibilitytoexplainthismaterialtothem.
•Becomefamiliarwiththesafeoperationofthe
equipment,operatorcontrols,andsafetysigns.
•Alloperatorsandmechanicsshouldbetrained.
Theownerisresponsiblefortrainingtheusers.
•Neverletchildrenoruntrainedpeopleoperate
orservicetheequipment.Localregulationsmay
restricttheageoftheoperator.
•Onlyadultsandmatureteenagersshouldoperate
amower,andevenmatureteenagersshouldhave
adultsupervision.Besureateenager:
1.hasreadandunderstandstheOperator’s
Manualandrecognizestherisksinvolved;
2.issufcientlymaturetousecaution;and
3.isofsufcientsizeandweighttooperate
thecontrolscomfortablyandtomanagethe
mowerwithouttakingrisks.
•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
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
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
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).
6
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.
•Followthemanufacturer’srecommendationsfor
wheelweightsorcounterweightstoimprove
stability.AlwaysinstallandremovetheUltraVac,
includingcounterweights,asinstructed.Failure
todosowillcauseareductioninstabilityor
traction.DoNotoperatethemowerwithonlya
portionoftheUltraVacinstalled.
•Useextremecarewithgrasscatchersor
attachments.Thesecanchangethestabilityofthe
machineandcauselossofcontrol.Thestability
andtractionofthemachinewillchangeasthe
UltraVachopperllswithgrassclippings.Use
progressivelygreatercareonslopesasthehopper
lls.
MaintenanceandStorage
•Disengagedrives,setparkingbrake,stopengine
andremovekeyordisconnectsparkplugwire.
Waitforallmovementtostopbeforeadjusting,
cleaningorrepairing.
•Usecarewhencheckingblades.Wraptheblade(s)
orweargloves,andusecautionwhenservicing
them.Onlyreplacedamagedblades.Never
straightenorweldthem.
•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
103-6606
103-6607
8
Safety
103-3508
LZUV52Only
109-5890
UV60andUV6672
9
Specications
Specications
ModelNumbers
SerialNos:850,000andHigher
LZUV52–FitsLazerZ(LZ)andLazerZAS(LAS)Units789,999andLowerwith52inchdeck.
UV60–FitsLazerZ(LZ),LazerZAS(LAS),andLazerZXPUnits352,000–789,999andLazerZXSUnits352,000
andHigherwith60inchdeck.
UV6672–LazerZ(LZ),LazerZAS(LAS),andLazerZXPUnits352,000–789,999andLazerZXSUnits352,000
andHigherwith66inchor72inchdeck.
Systems
BaggingSystem
•Collectionbins:
–Commercialgrade,clothmeshbagswith
reinforcedbottoms.
–Capacity:11.0bushels
52inchdecks:8bushels(2bagsandhood)
60,66,and72inchdecks:13.4bushels(3
bagsandhood)
•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
52inchDeck-All
66.85inches(169.8cm)
60inchDeck-SN599,999
andLower&AllLazerAS
789,999andLower
74.44inches(189.1cm)
60inchDeck-SN600,000
andHigher
74.94inches(190.3cm)
66inchDeck-All
81.50inches(207.0cm)
w/UltraVac
72inchDeck-SN599,999
andLower
86.49inches(219.7cm)
72inchDeck-SN600,000
andHigher
87.38inches(221.9cm)
10
Specications
OverallLength:
w/UltraVac
52inchDeck-Air-Cooled
105.70inches(268.5cm)
52inchDeck-
Liquid-Cooled
106.00inches(269.1cm)
60inchDeck-SN599,999
andLowerAir-Cooled
106.65inches(270.9cm)
60inchDeck-SN
600,000–789,999
Air-Cooled
110.04inches(279.5cm)
60inchDeck-SN599,999
andLowerLiquid-Cooled
106.90inches(271.5cm)
60inchDeck-SN599,999
andLowerLazerXP&XS
107.90inches(274.1cm)
60inchDeck-SN600,000
andHigherLazerXP&XS
110.88inches(281.6cm)
66inchDeck-Air-Cooled
111.59inches(283.4cm)
66inchDeck-LazerXP&
XS
112.43inches(285.6cm)
72inchDeck-SN599,999
andLowerAir-Cooled
110.75inches(281.3cm)
72inchDeck-SN
600,000–789,999
Air-Cooled
114.12inches(289.9cm)
72inchDeck-SN599,999
andLowerLiquid-Cooled
111.00inches(278.3cm)
72inchDeck-SN599,999
andLowerLazerXP&XS
112.00inches(281.9cm)
72inchDeck-SN600,000
andHigherLazerXP&XS
115.37inches(293.0cm)
CurbWeight:
w/UltraVac
52inchDeck-All254lb(115kg)
60inchDeck-SN599,999
andLower&AllLazerAS
789,999andLower
324lb(147kg)
60inchDeck-SN600,000
andHigherAir-Cooled
(exceptAS)
243lb(110kg)
60inchDeck-SN600,000
andHigherLiquid-Cooled
261lb(118kg)
66inchDeck-All
Air-Cooled
190lb(86kg)
66inchDeck-All
Liquid-Cooled
208lb(94kg)
72inchDeck-SN600,000
andHigher
271lb(123kg)
72inchDeck-SN600,000
andHigherAir-Cooled
190lb(86kg)
72inchDeck-SN600,000
andHigherLiquid-Cooled
208lb(94kg)
TorqueRequirements
BoltLocation
Torque
ImpellerSpindleBottom
Nut
55-60ft-lb(75-81N-m)
ImpellerSpindleTopNut75-80ft-lb(102-108N-m)
11
Operation
ProductOverview
Figure4
1.Hood4.Tube
2.Weight5.Bag
3.Blower
Operation
Note:Determinetheleftandrightsidesofthe
machinefromthenormaloperatingposition.
Pre-Start
Makesureyouunderstandthecontrols,their
locations,theirfunctions,andtheirsafety
requirements.
Ensuretheblower,beltcover,bags,tubeandhood
areingoodcondition,properlyattached,andlatched.
ForunitsaboveSerialNumber600,000withTriton
decks:Makesurethattheadjustabledoglegbafeis
closedtomatchtheintakeintotheUltraVacBlower.
WARNING
Ifthedeckdischargeopeningandtheblower
intakeopeningdonotmatchcorrectly,it
willallowobjectstobethrowninoperator’s
orbystander’sdirection.Also,contactwith
bladecouldoccur.Thrownobjectsorblade
contactcancauseseriousinjuryorkillyou
orbystanders.
Adjustdoglegbafetomatchintake
opening.
RefertotheMaintenancesectionandperformallthe
necessaryinspectionandmaintenancesteps.
OperatingInstructions
Mowing
1.TheUltraVacbloweroperateswhendeckdrive
isengaged.Besurethatallpersonsareclear
ofthemowerdeckbeforeengagingthecutting
blades.Setthethrottleto“midway”position.Pull
outwardonthePTOswitchtothe“ROTATE”
position.Acceleratetofullthrottletobegin
mowing.
2.Todisengagethedeckdriveandblower,setthe
throttleto“midway”position.Pushinonthe
PTOswitchtothe“STOP”positiontostopthe
cuttingbladesandblower.Thecuttingbladeswill
requireaslightlylongeramountoftimetocome
toacompletestopwhentheblowerisinstalled
onthedeck.Verifythatallrotationindicators
12
Operation
havestoppedbeforeclearingblowerassemblyor
mowerdeck
3.Toremovethebags,rstshutoffdeckdrive,stop
theengineandwaitforallmovingpartstostop.
Openthehoodandremovethebagsbyliftingup
ontherearofthebag,thenunhookingthefront
clip.Emptythebagsbyinvertingthem.
4.Reinstallbags,closeandlatchhoodbefore
continuingmowing.
Tipsformowingconditions:
•Whenmowinginareaswithsandysoil,use
lowliftbladesonthecuttingdeckandhigher
cuttingheightstominimizewearontheblower
components.
•Whenmowinginwetconditions,suchasjustafter
arainorinheavydew,uselowliftbladesonthe
cuttingdecktominimizepluggingoftheblower.
•Maintainingagroundspeedthatdoesnotpull
downtheengineRPMwillallowforthehighest
productivityandbestqualityofcut.Boggingthe
engineRPMdownbygoingtoofastwillcause
pluggingandqualityofcutissues.
•Whenthebagsgetfull,thesoundoftheblower
willchangeandtherewillbeslightblowoutfrom
thefrontrightcornerofthedeck.Emptyingthe
bagsatthispointwillminimizethepotentialfor
thetubetoplug.
•ForunitsbelowSerialNumber600,000:
Anti-blowoutkitsareavailableforleafcollection.
Theyhelptoprevent“chasing”theleaves.To
reduce“plowing”leaves,raisethedeckslightly.
•OnTriton:Raisefrontadjustablebafeto
reduceplowing.Loweringfrontadjustablebafe
mayprevent“chasing”.Matchdischargeopening
toUltraVacintakeforbestperformance.
BaggerRemovalforSideDischarge
1.Shutoffthedeckdrive,stopengineandwaitfor
allmovingpartstostop.Removekeyandengage
parkingbrake.
2.Removethedischargetubebyreleasingthe
latchesattheblower.Slidethetubeofftheblower
outletandremovetheupperendfromthehood.
Figure5
1.ClevisPin5.BeltCover
2.CasterArmWeight
6.Blower
3.Hairpin7.Tube
4.FrontFloorpanWeight8.Bags
3.Removethebeltcoverbylooseningtheknobs.
For60inchand66inchunitstheoutboardknob
doesnotneedtoberemovedcompletelyto
removethebeltcover.
CAUTION
Thedecksheavewillbecomeveryhot.
Touchingahotdecksheavecancausesevere
burns.
Allowthedecksheavetocoolcompletely
beforeremovingthebelt.
4.Pulltheidlerreleasehandleandremovethebelt
fromtheuppergrooveofthedecksheave.
5.Unlatchthefrontendoftheblower.Pivotthe
blowerbackandliftitoffthedeck.
6.Installthedischargechuteusingthechutepivot
pinandhairpin(seeFigure6).
13
Operation
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.
7.Re-installtheplasticbeltcoverandtightenthe
knobs.
8.Removethehairpinsandclevispinsholdingthe
hoodassemblytothemountweldment.
9.Liftthehoodassemblyoffthemount.
10.Theremovableweightsmustberemovedfrom
abovethecasterwheels(andfrontofoorpan
onsomeunits).Toremovethecasterweights.
Loosentheclampingknobsuntiltheweightcan
bemovedrelativetothecasterarm.Removethe
hairpinsandclevispinsthatholdtheweightsto
thecasterarms.Carefullylifttheweightsoffof
thecasterarms.
Toremovetheweightonthefrontoftheoor
pan,removethetwohairpinsthatretainitand
thenliftitfromthemountplates.
Theweightsandbracketsboltedtotheoorpan
remainontheunit.
Note:Theremovableweightsareheavy.Use
carewhenliftingthem.Makesurethatyoucan
holdthemsecurelybeforeliftingthem.Use
cautionwhenpositioningyourhandssothatyou
DoNotsetthemdownonyourhandsorngers.
Note:TheportionsoftheUltraVacbaggerthat
arenotboltedtothemoweraredesignedtobe
installedorremovedintheirentirety.Failureto
dosowillcauseareductioninstabilityortraction.
DoNotoperatethemowerwithonlyaportion
oftheUltraVacinstalled.
CAUTION
Casterorfrontoorpanweightsinstalled
withoutbaggermaycauselossoftraction
andsteeringcontrol.Lossofcontrolcan
resultinanaccident,whichmaycausedeath,
injury,orpropertydamage.
Installcasterorfrontoorpanweights
ONLYwhenbaggerisinstalled.
11.Themachinecannowbeusedforsidedischarge
mowing.
BaggerInstallationforBagging
1.Stopengine,removekey,andwaitforallmoving
partstostop.Engageparkingbrake.
2.Removehairpinandchutepivotpin.Remove
dischargechute.Pivotpinandhairpinmaybe
storedinthepivotholesofthedischargechute
duringbaggingoperation.
3.Installthebaggerassemblyontothemountby
slippingthehookportionoverthetopmounting
tubeofthemountweldment(seeFigure5).
Securetheassemblytothemountusingtheclevis
pinsandhairpins.
4.Installthebagassembliesbyinsertingthehook
portionintotheslotsinthecrossbarofthehood
assembly.
5.Mountthebloweronthedeckbyslidingthe
mountingpinintothetubeattherearrightcorner
ofthedeck.Swingtheblowerclosed.Adjustthe
positionofthefrontpintoengagetheslotinthe
frontofthedeck.Usethelatchtolocktheblower
inthisposition.Adjustthetensiononthelatch
toholdthebloweruptothedeck,yetallowfor
releasebyhand.
14
Operation
6.Pullthespringloadedidlerbackandslipthebelt
overthetopspindledecksheave.
7.Installtheplasticbeltcover.On60inchand66
inchunitstheoutsideendofthecoverisslotted
andcanslipbetweenthetwowashersonthebelt
shieldstud.Theplasticknobdoesnotneedto
beremoved.On72inchand52inchunitsthe
coverhasahole,andtheplasticknobmustbe
installedafterthecoverhasbeenpositioned.The
originalbeltcoverstudmustberemovedon
52inchunits.
8.ForUnitsSerialNumber600,000andHigher
withTritonDecks:Adjustpositionofdogleg
bafetomatchtheintakeoftheUltraVacblower
bafeadjustedtoowidemayallowobjectstobe
thrownfromunderdeck.Bafeadjustedtoo
narrowmaycausepluggingissues.
AllUnits:Sliptheupperendofthetube
assemblyintothehoodopening.Slidethelower
endofthetubeassemblyoverthebloweroutlet
andalignthenotchwiththetubelatch.Latchthe
tubetotheblower.
Note:Theremovableweightsareheavy.Use
carewhenlifting.Makesurethatyoucanholdthe
weightsecurelybeforelifting.Usecautionwhen
positioningyourhandssothatyouDoNotset
theweightdownonyourhandsorngers.
9.Installtheremovableweightassembliesover
thecasterarms.On52inchand60inchLazer
ZASmachinesand60inchLazerZmachines
serialnumber599,999andlower,oneweighthas
awidemountingbracketandonehasanarrow
bracket.Theywillonlytthemachineoneway.
Weightsforthe60inchLazerZserialnumber
600,000andhigher,60inchLazerZXP ,60inch
LazerZXSandall66inchand72inchunitsare
interchangeableleftandright.
10.Installaclevispinandhairpinoneachcaster
weighttoretainthem(seeFigure7).
Figure7
1.ClevisPin
2.Hairpin
11.Unitswithremovableoorpanweight:
Tightenknobonweightassemblyuntiltheweight
isclampedsecurelytothecasterarm.
12.Hookweightplateassemblyoverthetopofthe
weightmountingplatesandsecurewithtwo
hairpinsasshowninFigure8).
Figure8
1.WeightPlateAssembly2.Hairpin
Note:TheportionsoftheUltraVacbaggerthat
arenotboltedtothemoweraredesignedtobe
installedorremovedintheirentirety.DoNot
operatethemowerwithonlyaportionofthe
UltraVacinstalled.
15
Operation
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
thepossibilityofbackwardtip-over.
Backwardtip-overcouldcauseseriousinjury
ordeath.
•Useextremecautionwhenoperatinga
unitonaramp.
•Useonlyasingle,fullwidthramp;Do
Notuseindividualrampsforeachside
oftheunit.
•Ifindividualrampsmustbeused,use
enoughrampstocreateanunbroken
rampsurfacewiderthantheunit.
•DoNotexceeda15°anglebetweenramp
andgroundorbetweenrampandtrailer
ortruck.
•Avoidsuddenaccelerationwhiledriving
unituparamptoavoidtippingbackward.
•Avoidsuddendecelerationwhilebacking
unitdownaramptoavoidtipping
backward.
LoadingaUnit
Emptygrassbagsbeforeattemptingtoload
unitontrailerortruck.Useextremecautionwhen
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
16
Operation
minimizetherampangle.Thetrailerortruckshould
beaslevelaspossible.
Important:DoNotattempttoturntheunit
whileontheramp,youmaylosecontroland
driveofftheside.
Avoidsuddenaccelerationwhendrivinguparamp
andsuddendecelerationwhenbackingdownaramp.
Bothmaneuverscancausetheunittotipbackward.
17
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.
•Checkbags.
•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.
CheckBags
ServiceInterval:Beforeeachuseordaily
1.Stopengine,waitforallmovingpartstostop,and
removekey.Engageparkingbrake.
2.Inspectthebagsforwear,tears,ordamage.
WARNING
Undernormalusethebagwilldeteriorate
andwear.Objectscouldexitthroughworn
bagathighspeeds.Thrownobjectscan
causeseriousinjuryorkillyouorbystanders.
Checkbagsfrequentlyfortearsandholes.
Replacewornbags.
18
Maintenance
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.Idler
Bushings
1–21
25Hours
CheckConditionofBelt
ServiceInterval:Every50hours
AllUnits
1.Stopengine,waitforallmovingpartstostop,and
removekey.Engageparkingbrake.
2.Inspectthebeltfordamageorwear.Replacebelt
withoneofthefollowing:
Deck
PartNo.
52inch–All
1–653438
60inchLazerZ,XS,XP
SN599,999andLowerand
AllLazerAS
103-0866
72inchAllSN599,999
andLower
103-0867
60inchTriton
109-1242
66inchTriton
103-0867
72inchTriton
109-1244
For52inchUnitsOnly-BeltReplacement
Procedure:
1.Removetheblowerfromthedeck.
2.Removethebeltguideontheblower(see
Figure9).
Figure9
ViewFromT opofBlower
1.Springloadedidler
4.Beltguide
2.Impellersheave
5.Decksheave(reference)
3.Fixedidler
3.Removetheoldbelt.
4.Installthenewbeltontotheblowerassemblyas
showninFigure9.
5.Reinstallthebeltguideremovedinstep2.
6.Reinstalltheblowerontothedeck.
For52inchUnitsOnly-InspectBeltPositionon
theIdlerArm:
Theidlerarmmaybecomebentduringuseor
transport.Abentidlerarmcouldcausethebeltto
jumpoffoftheidlerandbedamaged.
1.Makesurethebeltcoverisinstalledandrunthe
blowerforonetotwominutes.
2.Shutoffthedeckdrive,stopengine,wait
forallmovingpartstostopandremovekey.
Engageparkingbrake.Removethebeltcover
andchecktomakesurethatthebeltisridingnear
thecenteroftheatidlerontheidlerarm.
3.Ifthebeltisnotridingnearthecenterofthe
idler,removetheblower,andbendtheidlerarm
slightly.
4.Reinstalltheblowerandbeltcoverandrepeat
steps1through3untilthebeltispositionednear
thecenteroftheidler.
19
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.
CleanRearScreenInHood
ServiceInterval:Beforeeachuseordaily
1.Stopengine,waitforallmovingpartstostop,and
removekey.Engageparkingbrake.
2.Openhoodandremoveclippingsthatarestuck
tothescreen.
CleanBlower
ServiceInterval:Yearlyorbeforestorage
Grassbuildupmaycauseproblemswiththeimpeller
whentheunitisputbackintooperation.
1.Stopengine,waitforallmovingpartstostop,and
removekey.Engageparkingbrake.
2.Removegrassbuildupfromaroundtheimpeller
beforeplacingitinstorage.
20
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Exmark AS User manual

AS
Brand
Exmark
Model
AS
Category
Air blowers/dryers
Type
User manual
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