Exmark MK526 User manual

FormNo.4503-246RevC
InstallationInstructions
MulchKit
52and60InchSeries4and6Decks
KitNo.MK526andMK606
ForSerialNos.130,000&Higher*
SafetyAlertSymbol
ThisSafetyAlertSymbol(Figure1)isusedbothin
thisinstructionsheetandonthemachinetoidentify
importantsafetymessageswhichmustbefollowedto
avoidaccidents
Thissymbolmeans:ATTENTION!BECOMEALERT!
YOURSAFETYISINVOLVED!
g000502
Figure1
SafetyAlertSymbol
Thesafetyalertsymbolappearsaboveinformation
whichalertsyoutounsafeactionsorsituationsand
willbefollowedbythewordDANGER,WARNING,or
CAUTION.
DANGER:Whitelettering/Redbackground.Indicates
animminentlyhazardoussituationwhich,ifnot
avoided,Willresultindeathorseriousinjury.
WARNING:Blacklettering/Orangebackground.
Indicatesapotentiallyhazardoussituationwhich,if
notavoided,Couldresultindeathorseriousinjury.
CAUTION:Blacklettering/Yellowbackground.
Indicatesapotentiallyhazardoussituationwhich,if
notavoided,Mayresultinminorormoderateinjury.
Thismanualusestwootherwordstohighlight
information.Importantcallsattentiontospecial
mechanicalinformationandNoteemphasizesgeneral
informationworthyofspecialattention.
WARNING
Whilemaintenanceoradjustmentsarebeing
made,someonecouldstarttheengine.
Accidentalstartingoftheenginecould
seriouslyinjureyouorotherbystanders.
Removethekeyfromtheignitionswitch,
engageparkingbrake,andpullthewire(s)
offthesparkplug(s)beforeyoudoany
maintenance.Alsopushthewire(s)asideso
itdoesnotaccidentallycontactthespark
plug(s).
Note:Determinetheleftandrightsidesofthe
machinefromthenormaloperatingposition.
Note:Parktheunitonalevelsurface.Makesureall
movingpartshavestopped,parkingbrakeisengaged,
thekeyhasbeenremoved,andthesparkplugwire
hasbeendisconnected.Allowunittocoolbefore
startingtheseinstructions.
©2019—ExmarkMfg.Co.,Inc.
2101AshlandAve
Beatrice,NE68310
www.Exmark.comOriginalInstructions(EN)
PrintedintheUSA
AllRightsReserved*4503-246*C

LooseParts
Usethechartbelowtoverifythatallpartshavebeenshipped.
ItemPartNo.DescriptionQtyItemPartNo.DescriptionQty
1103-0913-03Wld,BafeMulchRH5215103-6392Blade,Mulch18.0-523
1-632954-03Wld,BafeMulchRH601103-6393Blade,Mulch20.5-603
2103-0910-03Wld,BafeMulchLH5216322-2Screw,HH5/16-18x5/85
1-632948-03Wld,BafeMulchLH6017323-6Screw,HH3/8-16x15
3103-0917-03Bafe,Blocker52183230-1Bolt,Carriage5/16-18x3/43
1-633956-03Bafe,Blocker60193290-357Nut,Whizlock3/8-165
4103-0916-01Plate,MulchCover5211032128-20Nut,Whizlock5/16-188
1-633957-01Plate,MulchCover601
*5/8incharborholebladeforunitsbelowSerialNumber540,000notincludedinkit.
2

g240828
Figure2
3

InstallingtheMulchKit
Important:ForSerialNumbers790,000and
higher,multipleaccessoriesaddedtoabase
unitcanchangethestabilityofthemachine.
Readtheunitoperator’smanualtodetermineif
counterbalanceweightsarenecessaryforthe
accessoriesinstalledontheunit.
1.Makesureallmovingpartshavestopped,
parkingbrakeisengaged,andthekeyhasbeen
removed.
2.Raisethefrontofthemachineandsupportwith
jackstands.
CAUTION
Raisingthemowerdeckforservice
ormaintenancerelyingsolelyon
mechanicalorhydraulicjackscouldbe
dangerous.Themechanicalorhydraulic
jacksmaynotbeenoughsupportor
maymalfunctionallowingtheunittofall,
whichcouldcauseinjury.
DoNotrelysolelyonmechanical
orhydraulicjacksforsupport.Use
adequatejackstandsorequivalent
support.
3.Removetheblades;retainforremovalofthe
nishcutkit.
4.RemovethedischargebafeasshowninFigure
3.
g008557
Figure3
1.Dischargebafe
5.ForSerialNumbers790,000andHigher:
Usingadrill,orahammerandpunch,remove
thematerialfromtheholesinthetopofthedeck
andthetwointhefrontofthedeckasshown
inFigure4.
ForSerialNumbers790,000andLower:
Removethehardwareintheseholesasshown
inFigure4
g008555
Figure4
1.Holelocation
6.Installthemulchingbafes(items1and2)and
blockerbafe(item3).RefertoFigure2and
usethehardwareshown.
7.Aligntheholesonthecoverplate(item4)to
holesontherightsideofthedeckandRHmulch
bafe(seeFigure2).Installtheboltswiththe
headstotheoutsideofthedeck.
8.Installnewmulchingblades(item5*)inplaceof
theexistingblades.Torquebladeboltto55-60
ft-lb(75-81N-m).
WARNING
Incorrectinstallationofthebladeor
componentsusedtoretainthebladecan
bedangerous.Failuretousealloriginal
componentsandassembledasshown
couldallowabladeorbladecomponent
tobethrownoutfromunderthedeck
resultinginseriouspersonalinjuryor
death.
AlwaysinstalltheoriginalExmarkblades
andbladeretaininghardwareasshown
intheOperator’smanual.
9.Installhardwarebackintotheholeinthetop
ofthedeckwherethedischargebafewas
removed.ForLazer,LazerXP ,andLazerXS
unitsSerialNumber539,000andlower,reinstall
thebeltguidewithaspringdiscwasherunder
theheadoftheinnerboltandadjustthebelt
guide1/8inchfromthebelt.Allopenholes
inthetopofthedecknotcoveredbyshields
mustbepluggedtopreventsandorothersmall
objectsfrombeingthrownupthroughthedeck.
10.Tightenallhardware.
11.Carefullyremovethejackstandsandlowerthe
machinetotheground.
4

RemovingtheMulchKit
Toconvertthedeckbacktosidedischarge:
1.Stopengineandwaitforallmovingpartsto
stop,engageparkingbrake,removekey,and
disconnectthenegativebatterycable.
2.Removemulchingbafes,blockerbafe,and
coverplate.
3.Installthedischargebafethatwasremovedin
step4ofInstallingtheMulchKitsection.
4.Replacethemulchingbladeswithstandard
blades.
5.Install5/16-18x5/8inchhexheadcapscrew
andwhizlocknutintheholeontopofthedeck
withtheboltheadunderneath.Install5/16-18x
5/8inchhexheadcapscrewandwhizlocknutin
thetwoholesinthefrontofthedeckwiththebolt
headstotheoutsideofthedeck.Allopenholes
notcoveredbybeltshieldsmustbepluggedto
preventsandorothersmallobjectsfrombeing
thrownupthroughthedeck.
6.Flipdownthedischargedeector.
DANGER
Anuncovereddischargeopening
willallowobjectstobethrowninan
operator'sorbystander'sdirection.Also,
contactwiththebladecouldoccur.
Thrownobjectsorbladecontactcan
causeseriousinjuryordeath.
Neveroperatethemowerwiththeside
dischargedoorraised,removed,or
alteredunlessthereisadischarge
deectorandmulchpluginplaceand
workingproperly.
5