Superabrasive LAVINA 25L-S-E User manual
Superabrasive UserManual OriginalLanguageLavina®25L‐S‐E 9/2014
LAVINA®25L-S-E User Manual
www.superabrasive.com / factory@superabrasive.com
Superabrasive UserManual OriginalLanguageLavina®25L‐S‐E 9/2014
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1.GENERALINFORMATION
Preface3
Manufacturer 3
GeneralDescription 3
MachineCharacteristics 3
MainDesign 3
EnvironmentalConditions 3
ElectricalConnection 3
VacuumConnection 4
TechnicalData 4
Vibrations4
SonorousEmissions 4
LabelData4
CustomerService 4
2.SAFETYINSTRUCTIONS
RecommendedUse 4
ProhibitedUse 4
PreparationforWork 4
ProtectionDevices 5
ArrestFunctions 5
SafeUse5
ResidualRisks 5
BeforeYouBegin 5
OperatingtheMachine 5
AfterWorkisCompleted 5
TheWorkArea 5
PersonalProtectiveEquipment(Ppe) 5
Operator5
3.HANDLINGANDTRANSPORTATION
PreparingtheMachineforTransportation 6
LifttheMachinefromWorkingtoToolMounting
Position6
Lifting6
AdjustingtheHandle 6
Storage6
4.OPERATION
PreliminaryControls 7
WaterFlowControlUnit 7
AdjustingandMountingTools 7
FrameBlocking(U‐Joint] 7
ControlBoard 8
StartingtheMachine 8
OperatingMachine 8
StoppingMachine 8
Alarm8
5.TOOLSANDACCESSORIES
Weights9
ToolHolderKey 9
FoamPlate9
SecurityPlateforQuickchangePads 9
6.POPULARTOOLS 10
7.EXPLODEDVIEW
GeneralExplodedView(Fig.7.1) 11
TopCoverExplodedView1(Fig.7.3) 11
PlanetaryDriveExplodedView(Fig.7.6) 11
TopCoverExplodedView2(Fig.7.4) 11
BottomCoverExplodedView1(Fig.7.5) 12
BottomCoverExplodedView2(Fig.7.6) 12
PulleyUnitsExplodedView(Fig.7.7) 12
CarriageExplodedView(Fig.7.8) 12
ToolHolderExplodedView(Fig.7.9) 12
8.MAINTENANCEANDINSPECTION
Cleaning13
CheckDaily 13
CheckAndReplaceAfterTheFirst15WorkingHours 13
CheckEvery200WorkingHours 13
CheckEvery400WorkingHours 13
Vacuum13
WaterLeaks 13
MechanicalParts 13
ElectricalSystem 13
ElectricalSchemes380‐480Volt 14
9.TROUBLESHOOTING
IndexofProblemsandSolutions
9.1ReplacingPowerCordandPlugs 15
9.2DismountingandMountingToolHoldertochangebuffers
andspiders,changingV‐RingsandFelt‐Rings15
9.3TensioningandReplacethePlanetaryBelt 16
9.4TensioningUsedPlanetaryBelt 16
9.5MountingandTensioninganewPlanetaryBelt 16
9.6CheckingtheTensionoftheBelt 17
9.7ReplacingofthePulleyUnits 18
9.8MountingtheBelt 19
9.9MotorConnection 19
9.9FaultDiagnosisInverterYASKAWAV1000 20
10.WARRANTYANDRETURNS
Warranty23
ReturnPolicy 23
11.DISPOSAL
Disposal23
12.MANUFACTURER’SCONTACTS
Manufacturer’scontract 23
13.SPAREPARTS
13.1GeneralParts/formachinesproducedbeforeJan.12014/24
13.1GeneralParts/formachinesproducedafterJan.12014/24
13.2TopCoverParts1/formachinesproducedbeforeJan.12014/25
13.2TopCoverParts1/formachinesproducedafterJan.12014/25
13.3TopCoverParts2 26
13.4PlanetaryDriveParts 26
13.5GuardParts 26
13.6BottomCoverParts1 27
13.7BottomCoverParts2 27
13.8PulleyUnitsParts 28
13.8a.PulleyUnitAssembly 28
13.8b.DrivingPulleyUnit 28
13.9WaterSupplyParts/formachinesproducedbefore
Jan.12014/ 29
13.9WaterSupplyParts/formachinesproducedafterJan.12014/29
13.10ToolHolderParts 29
13.11CarriageParts 30
13.11CarriageParts 30
13.12ControlBoxParts380‐480Volt 31
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1.GENERALINFORMATION
Thisowner’smanualisintendedfortheoperatoroftheLavina®Smachine,theservicingtechnicianaswellasforanyoneinvolved
withoperatingorservicingthemachine.Werecommendthatyoureadtheinstructionsverycarefullyandfollowthemstrictly.The
manualincludesinformationaboutassembling,using,handling,adjustingandmaintainingyourLavina®Sfloorgrinding
andpolishingmachine.
MANUFACTURER
Superabrasivewasfoundedin1987,asamanufacturerofhighqualitydiamondtoolsforthestoneandconcreteindustry.Today,
Superabrasiveisoneoftheworld’sleadingcompaniesintheproductionofdiamondtoolsandfloorgrindingmachinery.At
Superabrasive,westrivetodelivertheverybestsolutionstoourcustomers,andenablethemtoworkmoreefficiently.
GENERALDESCRIPTION
TheLavina®Smachineisintendedforgrinding,polishingandbuffingconcrete,marble,granite,limestone,andterrazzosurfaces
withdiamondtools.
TheLavina®Smachineisathree‐discmachine,whichcanbeuseddryaswellaswet.
Forbestresults,useonlytoolsmanufacturedorrecommendedbySuperabrasiveanditsdistributors.Additionally,themachine
couldbeusedforgrindingwoodfloorsurfaces.
TheLavina®Smachineismanufacturedandfittedfortheabove‐mentionedapplicationsonly!Everyother
usemaypossessriskstothepersonsinvolved.
MACHINECHARACTERISTICS
TheLavina®Smachineismadeoftwomaincomponentsections:
MAINDESIGN
Thetwomaincomponentsections,arethecarriageandmainhead.
Thehandle(Fig.1.2)ontheframeisadjustableinheightandallowstheoperatortoworkin
acorrectandsafeworkingposture.
Thehalogenspotlight(Fig.1.2)enablestheoperatortoworkindarker
areas.
Existinglightingsystemdoesnotreplaceadequateoverheadlighting.
Aframe(U‐jointtechnology)ontopofthemotorbaseallowsthemainheadtomovetoall
sidesanditgivesmoregrindingcapacity.
Thecontrolsarepositionedontopoftheelectricalbox(fig.1.3)
Theelectricalbox(fig.1.3)containstheelectricswitchingdevicesandtheinverter.
Themainfeedingcableisconnectedwithaplugandsocketontop.Themotorfeeding
cableispluggedintothesocketlocatedonthebottomofthebox.
Thetankisontheoppositesideoftheframe,sothattheweightofthe
waterhasnoinfluenceontheoperationofthemachine.Theframeweight,ontheother
hand,isfullyabsorbedbythedrivingwheels.Anelectricpumpspraysthewaterthrougha
frontsprayerorinternal.
Themotorismountedonthebaseplateandisdrivingthethreeheadswithabeltsystem.
Theplanetaryheadisdrivenbyasecondflatbelt.
ENVIRONMENTALCONDITIONS
ThetemperaturerangeforoperatingtheLavina®Smachineoutdoorsisbetween41°Fand
86°For5°Cand30°C.NeverusetheLavina®Smachineduringrainorsnowwhenworking
outdoors.Whenworkingindoors,alwaysoperatethemachineinwell‐ventilatedareas.
ELECTRICALCONNECTION
Thevoltage(Volt)andpower(Ampere)aredisplayedonalabelontheelectricalcontrolbox
toavoidanyincorrectconnection.Refertothesebeforeconnectingthepower.Toavoid
electricalshocks,makesurethegroundpowersupplyisfunctioningproperly.
Figure 1.3
Figure 1.1
Figure 1.2
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VACUUMCONNECTION
Aconnectionforavacuumdustextractorislocatedonthecarriage.TheLavina®Smachinedoesnotincludeavacuumdust
extractor.Thecustomermustpurchasethevacuumdustextractorseparately.ThehoseofthevacuumextractormustbeØ50mm
andcanbeglidedoverthepipe.Thevacuumdustextractormustbeadaptedforfloorgrindersandhaveaminimumair
displacementof320m3/hwithanegativevacuumof21kPa.
Technical Data
CE‐CERTIFICATION
TheLavina®S‐Emachineisdesignedtooperate
correctlyinanelectromagneticatmosphereof
industrialtypeandisequippedwithallthemechanical
andelectricalsafetyprotectionsinconformitywiththe
followingEuropeanCEErulesandregulations:
TheLavina®S‐EmachinecomplieswiththeSafety
Directiveformachines2006/42/EC,theEMCDirective
2004/108/ECandtheLowVoltageDirective
2006/95/EC.
AlsocomplieswiththenormsinuseBDSENISO12100,
BDSEN13862,BDSENISO13857,BDSEN349,BDSEN
ISO13850,BDSEN13732‐1,BDSEN953,BDSENISO
13849‐1,BDSEN1037,BDSENISO5349‐1,BDSENISO
11201,BDSENISO3744,BDSEN1033:2002,BDSEN
60204‐1,BDSEN1837,BDSEN61000‐6‐4,BDSEN
61000‐6‐2,BDSEN61000‐4‐2,BDSEN61000‐4‐4,BDS
EN61000‐4‐5,BDSEN61000‐4‐11,BDSEN55016‐2‐1
Testresultsareapartofthemachine’stechnical
informationandcanbesentuponaspecialrequest.ThemachineisdeliveredwiththeCEmarkexposedandprovidedwithaEC
declarationofconformity.
VIBRATIONS
Themeasuredvibrationvalueonthesurfaceofgrippingincaseofguidingthemachineisahw=2,17m/s2.Themeasurementismade
inaccordancewiththeBDSENISO1033andBDSENISO5349‐1.
SONOROUSEMISSIONS
Themaximumnoiselevelatdistanceofthemachineof1mincaseofworkingatidledoesnotexceed70dB(A).Themeasurementismadein
accordancewiththeBDSENISO11201andBDSENISO3744.
LABELDATA
ThedataonthelabelprovidesthecorrectVoltageandkW(neededforoperationalpurposes);
Weight(neededfortransportationpurposes);productionyearandserialnumber(neededformaintenancepurposes).
CUSTOMERSERVICE
ForcustomerassistanceandtechnicalsupportcontactyourlocaldistributororcontacttheproducerSuperabrasiveLtd.orvisitusat
www.superabrasive.com,whereyoucandownloadacopyofthismanual.
2.SAFETYINSTRUCTIONS
RECOMMENDEDUSE
TheLavina®Smachineisdesignedandmanufacturedto
grindandpolishconcrete,terrazzo,andnaturalstonefloors.
Itcanbeusedforrenovationaswellasforpolishing.The
machineisdesignedfordryorwetuse.Whenusingitdry,
useavacuumofappropriatesize.Formoreinformation,
pleaserefertothechapteronhandlingthevacuum
connection.
PROHIBITEDUSE
ThemachineMUSTNOTbeused:
Forapplicationsdifferentfromtheonesstatedinthe
generaldescriptionchapter.
Fornon‐suitablematerials.Inenvironmentswhich:
-Possessrisksofexplosion,
-Possesshighconcentrationofpowdersoroilsubstances
intheair,
-PossessrisksoffireFeatureinclementconditions,
-Possesselectromagneticradiation.
PREPARATIONFORWORK
Makesurethat:
Youhaveclosedtheworkarea,sothatnoperson
unfamiliarwithoperatingthemachinecanenterthearea.
Lavina®25L‐S‐E
Voltage/Hz3phx380V50‐60Hz
AmperageMax30Amps
Power11kW15HP
Toolholderrpm300‐1100rpm
Workingwidth655mm25”
Tooldiameter(QCPlate)3x225mm3x9”
Weight292kg644lbs
Grindingpressure171kg377lbs
Additionalweightmax2x29kgmax2x64lbs
Applicationwetanddry
VacuumhoseportYes
Watertankcapacity20l5.2gal
Waterfeedwithpump(peripheralandfront)
Cablelength17.4m57ft
MachineLxWxH1880x690x1180mm76x27.2x46.5”
PackingLxWxHonskid1150x730x1530mm45.3x28.7x60.2”
PackingLxWxHCrate11150x730x1100mm45.3x28.7x43.3”
+Crate21150x730x900mm45.5x28.7x35.4”
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Thetoolplateandtoolsareadjustedtothemachine
properly.
Therearenomissingpartsofthemachine
Themachineisinuprightworkingposition.
Theprotectiondevicesareworkingproperly.
Theelectricalcableisfreetomoveandfollowthe
machineeasily.
Inordertokeeptheelectricalcablefrombeing
damaged,novehicleshouldcrossthezonewhere
electricalcablesaresituated.
PROTECTIONDEVICES
Themachineisequippedwithseveralprotectiondevices
includingthefollowing:
Anemergencystopbutton
Aprotectionskirtandahoodforprotectingthetool
plates.
Thesedevicesprotecttheoperatorand/orotherspersons
frompotentialinjuries.Donotremovethem.Beforeusing
themachine,pleaseensurethatallprotectiondevicesare
mountedandfunctionproperly.TheSecurityplate
preventstheQuickChangepadstofromlooseningduring
work
ARRESTFUNCTIONS
Functionsofarrestingofthemachinearefollowing:
Buttontostopthemotor(category1)
Emergencybutton(category1)
SAFEUSE
TheLavina®Sisdesignedtoeliminateallriskscorrelated
withitsuse.However,itisnotpossibletoeliminatetherisks
ofaneventualaccidentwiththemachine.Unskilledor
uninstructedoperatormaycausecorrelatedresidualrisks.
Suchrisksare:
PositionRisks:duetooperator’sincorrectworking
position
TanglingupRisks:duetowearinginappropriateworking
clothes
TrainingRisks:duetolackofoperationaltraining.
NOTE::Inordertoreduceallconsequencesoftheabove‐
mentionedrisks,weadvisethatmachineoperatorswill
followtheinstructionsinthemanualatalltimes.
RESIDUALRISKS
Duringthenormaloperatingandmaintenancecycles,the
operatorisexposedtofewresidualrisks,whichcannotbe
eliminatedduetothenatureoftheoperations.
BEFOREYOUBEGIN
Workingareamustbeclearfromanydebrisorobjects.
Afirst‐timeoperatormustalwaysreadthemanualand
payattentiontoallsafetyinstructions.
Allelectricconnectionsandcablesmustbeinspectedfor
potentialdamages.
Groundwiresystemofthepowersupplymustbealso
inspected.
Performgeneraldailyinspectionsofthemachineand
inspectthemachinebeforeeachuse.
Alwaysinspectthesafetydevices:MounttheSecurity
platefortheQuickChangepads.
Theemergencybreakmustbeclearandworking
Thetoolprotectormustbeworking
Themachinemustbeclean
Neveroperatethemachineintherain!
Confirmthattherearenomissingpartsespeciallyafter
transportation,repairormaintenance.
Beforefillingthewatertankwithwatermake
surethemachineisnotworkingandthemain
switchisturnedoff.
Beforeturningonthemachinemakesurethatthebaseis
placedonthefloor,themachineMUSTNOTbeinan
uprightpositionwhenturnedon!
OPERATINGMACHINE
WhenoperatingtheLavina®S,makecertainthatthereis
noone,butyouaroundthemachine.
Neverleavethemachineunattendedwhileworking.
Theelectricalcablemustmovefreelyandmustbe
damage‐free.
Thewaterhosemustmovefreelyandmustbedamage‐
free.Checktomakesurethefloor,youarepreparingto
workon,iseven.Ifthefloorisuneven,itmaydamagethe
machine.
AfterWorkiscompleted
Cleanthemachineanditssurroundingsproperly
Emptyandcleanthewatertank
Unplugthemachineandwinduptheelectricalcable
Storethemachineinasafeplace
THEWORKAREA
Makecertainthatpeopleorvehiclesdonotenterthework
area.
Avoidcablesandhosesbeingintheway.
Alwayscheckthefloorfordebris
PERSONALPROTECTIVE
EQUIPMENT(PPE)
Alwayswearsafetyshoeswhenworkingwiththe
machine.
Alwayswearearprotectorswhenworkingwiththe
machine.
Allpersonnelintheimmediateworkareamustwear
safetyglasseswithsideshields.
Alwayswearsafetygloveswhenchangingthetools.
Alwayswearclothessuitableforthework
environment.
OPERATOR
TheLavina®Smachine.
Theoperatormustknowthemachine’swork
environment.Onlyoneoperatoratatimecanwork
withthemachine.Theoperatormustbeproperly
trainedandwellinstructedprioroperatingthe
machine.
Theoperatormustunderstandalltheinstructionsinthis
manual.
Theoperatormustunderstandandinterpretallthe
drawingsanddesignsinmanual.
Theoperatormustknowallsanitationandsafety
regulationspertainingtotheoperationof
Theoperatormusthavefloorgrindingexperience.
Theoperatormustknowwhattodoincaseof
emergency.
Theoperatormusthaveanadequatetechnicalknowledge
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andpreparation.
3.HANDLINGANDTRANSPORTATION
PREPARINGTHEMACHINEFORTRANSPORTATION
Unplugthemotorcableplugfromthecontrolboxanddisconnectthewaterhosefromthemainheadbypullingitout
(Fig.3.1)(Fig.3.2).Windtheelectricalcableonthecarriage.Releasethepinsetswhichattachtheheadtothecarriage.Pull
outthevacuumhoses(Fig.3.3),anddismounttheheadfromthecarriage.
TheheadoftheLAVINA®Smachinehasonebarforsupportandisusedashandlesforeasymovingandtransportation.
LIFTTHEMACHINEFROMWORKINGTOTOOL
MOUNTINGPOSITION
Pushthefronthandledownandswivelittothe
front(Fig.3.4).Pullthehandleupandensure
theheadisastableuprightposition,for
mounting/dismountingthetool.Ensurethat
thewatertankisemptybeforeflippingthe
machine.Pulltheheadinuprightposition
(Fig.3.5).Themachinesmanufacturedafter
Jan.12014arewithchangedlockingofthe
fronthandleasshownonthefig.3.4.1.
LIFTING
Liftingthemachinebycraneispossiblewiththeeyebolt,whichismountedonthecarriage(seeFig.
3.6).Theeyeboltandmachineconstructionisratedonlyfortheweightofthemachine.Donotlist
anyotherleadsonthemachine.Alwaysusehoistingequipmentratedfor300kgor660lbs.
ADJUSTINGTHEHANDLE
TheHandleontheframe
isadjustableinheightand
allowstheoperatorto
workinacorrectandsafe
posture.Themachines
manufacturedafterJan.1
2014arewithchanged
lockingofthehandleon
theframe.Theunlocking
isbypullingthehandle
(fig.3.4.1)Thelockingisautomaticallyunderactionofthespring.Fig.3.7.2showsallpossiblepositionofthehandle.Choose
theuprightpositiontomoveeasythemachine.
Figure 3.1 Figure 3.2 Figure 3.3
Fi
g
ure 3.6
Figure 3.5
Figure 3.4 Figure 3.4.1
Figure 3.7 Figure 3.7.1 Figure 3.7.2 Figure 3.8
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STORAGE
AlwaysstoreandtransporttheLavina®S
machineinadryplace.Nevertransportthe
Lavina®Smachineunprotected;itmaybe
damagediftransportedunprotectedduring
rainorsnow.
Whenstoringthemachinethetemperaturemayfalldowntoortolessthan32F(or0oC)youshouldemptythewaterfromthe
systemusingthefollowingsteps:
‐Pulloutthehoseofthetank(Fig.3.9)
‐Usingcompressedairblowoutthewaterfromthesystemforthetwopositionsoftheturn‐cock(Fig.3.10,Fig.3.11).
4.OPERATION
PRELIMINARYCONTROLS
Inspecttheworkingareaasexplainedinthesafetyinstructions.Forwetuse,fillthewatertankwhentheelectricalcableis
disconnected.Connectthevacuumextractorandensurethatthevacuumhoseisclearandthatitwilleasilyfollowthemachine.
PluginthemachineandmakesurethatthepowercordisfreetofollowthedirectionoftheworkingLavina®Smachine.
WATERFLOWCONTROLUNIT
Theoperatorcanchoosethewatersprayerinthefrontwhenthetapisinthehorizontalposition(Fig.4.1),thewater
willsprayunderthecoverofthemachine
whenthelevelisintheverticalposition
(Fig.4.2).Theflowregulatingvalve
locatedonthetank(Fig.4.2.1)is
increasingorreducingthewaterflowto
the
working
area–infrontofthe
machineorunderthemainheadcoverof
the
machine
/onlyformachinesproduced
afterJan.12014/
.
ADJUSTINGANDMOUNTINGTOOLS
Mountthetoolsonlyafterensuringthatthereisenough
diamondbondmaterialleft.Besurethattheplatesarealways
cleanbeforemounting.WARNING:Alwayssecurethe
“QuickChange”padswiththesecurityplate(Fig.4.3),lockwith
thetoolholderkey(Fig.5.3).DiamondtoolswithVelcroare
attachedtothree9inchfoamplates(Fig.4.4).Thefoamplatesare
mountedonthekeylock(butterfly).Alwaysusethetoolholder
key(Fig.5.3).
FRAMEBLOCKING(U‐JOINT]
Therelationbetweentheworkingheadandthetrolleyistheframe(U‐joint),whichallowsthe
rotationoftwoperpendicularaxestobetterfollowthefloors’profile.
Themovementalongtheoneaxiscanbesecuredwithtwoscrews(fig.4.5)andthatblocksthelateral
movementofthemachine.
Figure 4.4
Figure 4.3
Fgure 4.5
Figure 3.9 Figure 3.10 Figure 3.11
Figure 4.2.1
Figure 4.1 Figure 4.2
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THECONTROLBOARD
1. Powercableplug
2. DigitalRPMindicatorIndicatestherevolutionperminuteofthegrindingplates(nottherevolutionperminuteoftheentire
unit).
3. Polishing/GrindingswitchIn“grinding”position,theoperatorhasthepossibilitytocontroltherpmfrom300until
maximum700rpm.In“Polishing”positionfrom300‐1100rpmmaximum.
4. Lampcablegland
5. InverteralarmledLightsbluewhentheinvertergoesintoalarmmode.
6. WaterpumpswitchLightsorangewhenthewaterpumpisworking.
7. Powerledlightsgreenwhenthepowerison
8. Forward/Reverseswitchchooseforwardforclockwiserotation
ofthegrindingplatesorreverseforanti‐clockwiserotationofthe
grindingplates
9. PotentiometerchangestheRPMofthegrindingplatesfrom
300‐1100rpm
10. Resetbuttonresetsthealarmoftheinverter
11. OFFbuttonstopsthemotor
12. ONbuttonstartsthemotor
13. EmergencybuttonusedinEmergencysituationsforstoppingthe
motor
STARTINGTHEMACHINE
First,followthedirectionsinchapterSafetyDevicesandSafety
Instructions.Next,pulltheemergencystop(13)toensurethatthe
machineisinworkingcondition.Checkthepotentiometer(9)and
ensurethatitissetatworkingspeed.Ifworkingwet,addwaterto
thefloor’ssurface.Ifworkingdry,omitthisstep,andinstead,switch
onthevacuumunit.Finally,holdthemachinefirmlyandpushthe
startbutton(12).
OPERATINGTHEMACHINE
Guidethemachineinstraightlinesacrossthefloor,andwitheachnewlineoverlapalittlebitofthepreviouslycompletedsurface.
Workataconstantspeed,allowingthetoolstimetoworkataspeedappropriateforthetools’gritsize.Avoidvibrations.Donot
stoptheLavina®Sononespotwhilethetoolsarestillworkingbecausetheywillleavemarksonthefloors’surface.When
workingwet,firstchoosethewatertap(Fig.4.2)andthepositionforthewaterfeed,periodicallystarttopumpandreleasewater
ontothefloor’ssurface(Fig.4.6Pos.6).Whenworkingdry,checkthefloor’ssurfaceperiodicallytoensurethatdustisnot
accumulatingonthesurface,alsocheckregularlytomakesureyourvacuumisworkingproperly.
STOPPINGTHEMACHINE
TheThestoppingofthemachinemustbedonegraduallyuntilthemotorstops.Donotstopmovingthemachinebeforearresting
themotorasthetoolscoulddamagethesurface.Tostop,pushthe“Off”button(11).Usetheemergencybutton(13)onlyin
emergencyoruseittoswitchthepowertotallyoff.Remembernottoholdthemachineinonespotbeforeturningoffthemotor.
ALARM
Thealarmlight(5)willlightincaseinvertergoesintoalarmmode.Themostcommonfailureismotorinoverload.Toresetthe
mode,pushthe“reset”button(10).
12345678
910111213
Fgure 4.6
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5.TOOLSANDACCESSORIES
WEIGHTS
Superabrasiveoffersadditionalweightsforincreasingtheproductivityofthemachine(Fig.5.1).
Eachadditionalweightweighsabout64lbsor29kg.Eachindividualapplication,typeand
conditionofsurface,powercapacityoftheoutlet,etc.willdeterminethenumberofweightsyou
canusewithouttrippingabreaker.Theweightstacksontothreepoststhatarearoundtheouter
bowl(Fig.5.2).Theadditionalweightsdependonthetools;itisnotalwayspossibletoass
weights.Sometoolsworktooaggressivelyandthemachinecanstop.Theweightcanbeordered
withitemnumberA08.00.00.00
TOOLHOLDERKEY
Thetoolholderkey(Fig.5.3)isusedforadjusting,mountinganddismountingofthefoamplates.
Alwaysusethekeyformounting.
ItemnumberisA03.00.00.00
FOAMPLATE
DiamondtoolswithVelcroaremountedonthefoamplate9“(Fig.5.4).Thefoamplateismountedon
the“QuickChange”System.
ItemnumberisLV‐9‐FP‐S
SECURITYPLATEFORQUICKCHANGEPADS
Plate(Fig.5.5)usedtoensurethe“QuickChange”pads.
ItemnumberisA38.00.01
Figure 5.5
Figure 5.3
Figure 5.1
Figure 5.2
Figure 5.4
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6.POPULARTOOLS
RECOMMENDEDTOOLS
QuickChangeSystemandToolingfeatureextremelyfastandconvenienttoolchanges,andalongtool
life,providingforgreatlong‐termcostsavings.TheQuickChangepadsareproducedinfourdifferent
bondsforsuperhard,hard,mediumandsoftconcrete,inavarietyofgritsizes.Theyareofferedwith
1or2buttonsorrectangularsegments,whichallowsyoutocustomizetheaggressivenessofthecut.
Calibragrindingdiscs:ourpopularceramicbonddiscsaredesignedfortheremovalofdifficultscratches
and
theysaveyouvaluabletimebyeliminatingtheneedformultiplepasseswithmetaltools.Theycanbe
usedwet
ordry,andarebestforhardconcreteapplications.
Theyare3‐inch,withincludedVelcrobackattachment.
NATO®polishingdiscsfeatureaspecialresinformuladesignedforbothwetanddryapplicationsandauniquedesignwith
widechannelsallowingforworkonacleanersurfaceandensuringaqualitypolish.Availablein3and4insizes.Theyarewith
includedVelcroattachment.
V‐HARR®PremiumPolishingPadsaredesignedformechanicallypolishingandrestoringconcrete;alsoidealforterrazzoand
hardstonefloors.V‐HARR®padsareofferedinawidevarietyofdiametersandgritsizestoaccommodatemanyapplications.
Dryuseisstronglyrecommended.
ShinePro®arehighqualitydiamond‐impregnatedpadsforfloormaintenance.Availableinavarietyofsizes,andaregreatfor
dailyuse.Whenusedwet,theyrequireonlywater(nowaxorchemicalsneeded)andareaveryenvironmentallyfriendlysolution
formaintainingfloors.
UseonlySuperabrasive’srecommendedtools.Formoretoolingoptions,visitwww.superabrasive.com
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7.EXPLODEDVIEW
LAVINA®25L‐SGENERALEXPLODEDVIEW(FIG.7.1)
LAVINA®25L‐STOPCOVEREXPLODEDVIEW1(FIG.7.2)
LAVINA®25L‐SPLANETARYDRIVEEXPLODEDVIEW(FIG.7.3)
LAVINA®25L‐STOPCOVEREXPLODEDVIEW2(FIG.7.4)
Figure 7.3 Figure 7.4
Figure 7.1 Figure 7.2
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LAVINA®25L‐SBOTTOMCOVEREXPLODEDVIEW1(FIG.7.5)
LAVINA®25L‐SBOTTOMCOVEREXPLODEDVIEW2(FIG.7.6)
LAVINA®25L‐SPULLEYUNITSEXPLODEDVIEW(FIG.7.7)
LAVINA®25L‐SCARRIAGEEXPLODEDVIEW(FIG.7.8)
LAVINA®25L‐STOOLHOLDEREXPLODEDVIEW(FIG.7.9)
Figure 7.8 Figure 7.9
Figure 7.6
Figure 7.5 Figure 7.7
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8.MAINTENANCEANDINSPECTION
CLEANING
Keepyourmachineclean.Cleaningthemachineinaregularbasiswillhelpdetectandsolvepotentialproblemsbeforetheycan
causedamagetothemachine.Mostimportantly,checkandcleanthetoolplateconnections,powercords,plugs,vacuumhoses,
andwatertank.
CHECKDAILY
AfteroperatingtheLavina®Smachine,theoperatorshouldconductavisualinspectionofthe
machine.Anydefectshouldbesolvedimmediately.Payattentiontopowercords,plugs,
vacuumhoses,looseboltsorscrews.
Toolholders:Buffersandspidersareconsumablesandmustbevisuallycheckedonadaily
basisandreplacedifnecessary.Makesuretheflangesordiscsaresecurelylockedinplace.
Thekeylockholders(butterflies)shouldalsobechecked.
Checktherubberbuffersandmakesuretheholdersaresecure.Theflangeholdingthebuffers
(Fig.8.1‐1)hastobefirmlysecuredtotheunit.Ifthereisagapseenhere,thatmeansthe
screwssecuringtheholderareloose.Thescrewshavetobetightenedimmediatelytosafely
operatethemachine.Workingwithloosescrewscouldcauseseriousdamagetothemachine.
Thetighteningforceofthescrewshastobe25‐30N.m(18‐22ft/lbs).
Itisveryimportanttoregularlycheckthescrewsthatsecurethe“QuickChange”holdertothe
safetypart(Fig.8.1‐2),sothattheholderwillnotflyawayifthebuffersgetdamaged.The
“QuickChange”shouldbecleanalso.Thetensionoftheplanetarybeltcanbecheckedby
movingthemainheadandfeelingtheresistanceofthemovingpulleys,tightenthebeltif
necessary.
CHECKANDREPLACEAFTERTHEFIRST15WORKINGHOURS
Checkthebelttensionafter15hoursofworkingwiththemachine.Thebottomcoverhas
acontrolcover(Fig.8.2)thatallowsfastandeasycontrolandcorrectionofthebelt.Itis
recommendedthatthebelttensionbecheckedafterthefirst15hoursandtightenedif
necessary.Forthecorrecttension,seeTROUBLESHOOTING“mountingthebelt”.Every
timeyouopenthecontrolcover,mountbackallthescrewswithwashers.
CHECKEVERY200WORKINGHOURS
Every200workinghours,theoperatorshouldinspectallpartsofthemachinecarefully.
Mostimportantly,inspectandcleanthetoolplateconnections,powercordplugs,
vacuumhosesandwatertankandfilter.Also,checkthewaterflowofthepump.Check
theguardassembly.Makecertainthewheelsarecleanandrotateproperly.Inspectthecontrolbuttons.Iftherearedefective
controlparts,theyshouldbereplacedimmediately.Replacewornvacuumandwaterhoses.Checkthetensionofthebeltandto
tightenifnecessary.Forthecorrecttension,seeTROUBLESHOOTING.
Dismountthetoolholders(SeeTROUBLESHOOTING)andreplaceallparts(spider,buffers,sealercaps,“O”rings)thathavethe
slightestdamage.
Opentheinspectioncoveronthemotorbasetocheckontheplanetarydrivingbelt,bymovingthemainheadthebeltshouldnot
slipontheplanetarypulleyanddrivethepulleys.
CHECKEVERY400WORKINGHOURS
Besidesthechecksof200workinghours,replacesealerandV‐ringslikedescribedinchapter“TROUBLESHOOTINGREPLACING
BELTANDPULLEYUNITS.Checkifbeltsandbearingsareingoodcondition,changeifneeded.
VACUUM
Asstatedpreviously,frequentlycheckhosesandotherpartsforclogging.
WATERLEAKS
Leakingpartsshouldbereplacedimmediatelybecausethewatercoulddamageyourmachine.
MECHANICALPARTS
Partssuchasthebelts,sealrings,caprings,spiders,buffersandguardassemblyaresubjecttowearandmustbereplacedasneeded.
ELECTRICALSYSTEM
Dustshouldnotenterthecontrolbox,asitwilldestroythecontrols.Remove(blowout)anydustpresent.
Figure 8.2
Fi
g
ure 8.1
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Lavina®25L‐S‐EElectricalschemeswithYaskawaInverter
LAVINA®25L‐S‐EELECTRICALSCHEMESYASKAWACONNECTION
MAINCIRCUITTERMINALS
The motorisconnectedin
“Star”380Volt,
reminderforthewire
connectionofthemotor
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Figure 9.2.7 Figure 9.2.8 Figure 9.2.9 Figure 9.2.10
9.TROUBLESHOOTING
INDEXOFPROBLEMSANDSOLUTIONS
9.1REPLACINGPOWERCORDANDPLUGS
Whenreplacingthepowercordorplugsalwaysusecordsandplugswiththesamespecificationsastheoriginalones.
Neveruselowerqualityordifferenttypesofcordsandplugs.
Inaddition,takeintoconsiderationthedistancebetweentheapplianceandtheelectricalsource.Thegreaterthedistance,the
greatertheresistanceandthelesscurrentthatwillbeavailableattheotherend,therewillbeavoltagedropandtheinverterwill
signintoalarmmode.Thiswillalsohappenifseveralmachinesareworkingonthesamelineorwhenthegeneratorisunderrated.
Ingeneral,ourstandardpowercablecanbedoubledinlength;ifyouneedlongerlengthsthenyoumustreplaceallthecables
withcablesofabiggergaugerateforthelengthandamperage.
9.2DISMOUNTINGANDMOUNTINGTOOLHOLDERTOCHANGEBUFFERSANDSPIDER,CHANGINGV‐RINGSANDFELT‐RINGS
Tocheckorreplacethebuffersandthespiders,thetoolholderhastoberemoved.Removethecountersunkscrewsontopofthe
buffer(Fig.9.2.1).Takethediscoff(Fig.9.2.2),nowthespidercanberemovedorreplaced(Fig.9.2.3).BylooseningthefourHex
capbolts(Fig.9.2.4),thediscwillcomeloose(Fig.9.2.5)andthebufferscanbereplaced(Fig.9.2.6).Attention,whenmounting
alwaysusethe“blue”threadlockingadhesive,exceptontheboltstolockthebuffers(Fig.9.2.5).Alwaysusetheoriginalbolts.
Dependingonthenumber(3,4,or6)ofbuffers,theholdercanbemoreflexibleorrigid.
Whenthetoolholderisremoved,youcanchangethesealers(V‐RingandFelt‐Ring).
TakeouttheFelt‐Ring,AdaptorandV‐Ring.Beforemountingcheckonwhichsidetheadaptoris
sitting,rememberthecorrectside.MounttheV‐RingwiththesmallestlipoftheVtoinside
(Fig.9.2.7)justpushtheV‐ringsothetopisonthesamelevelasthepulleytop(Fig.9.2.8).
ThentaketheadaptorinthecorrectwayandpushtheV‐Ringdownwiththeadaptor
(Fig.9.2.9).ThelowestlipoftheV‐Ringshouldonlybarelytouchitsglidingsurface;alsonever
pushtheV‐Ringdownwithfingers.MountnowtheFelt‐ringontop(Fig.9.2.10).Closethe
sealerswiththecap(Fig.9.2.11).
Figure 9.2.1 Figure 9.2.2 Figure 9.2.3
Figure 9.2.4 Figure 9.2.5 Figure 9.2.6
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9.3TENSIONINGANDREPLACETHEPLANETARYBELT
Ifthebeltslipsorisbrokenseparatethecarriage
fromthemainhead,pulloutthemotor
plug(Fig.9.3.1),water‐(Fig.9.3.2)(Fig.9.3.3),and
vacuumtubes(Fig.9.3.4).Takeoffthehandles,
fork,topframe,andweightholderssoyoucan
dismountthetopcover(Fig.9.3.5).
9.4TENSIONINGUSEDPLANETARYBELT
Anoticeablelossofspeedintheplanetarymovementmeansthebeltmayneedtobetensioned,see9.5
Mountingandtensioninganewplanetarybelt.
9.5MOUNTINGANDTENSIONINGANEWPLANETARYBELT
Figure 9.4.1 Figure 9.4.2
Figure 9.5.6
Figure 9.5.1
Figure 9.5.4
Figure 9.5.2 Figure 9.5.3
Figure 9.5.5
Figure 9.3.1 Figure 9.3.3
Figure 9.3.2
Figure 9.3.5
Figure 9.3.4
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Completelyremovethetensioningdevice(Fig.9.5.1).Make2signsonthedismountedbelt
thatareexactly10cmfromeachother(beltwithouttension)(Fig.9.5.2).Thepurposeisto
measure10.2cmonthebeltwhentensioned.ATTENTION:NEVER“OVER”TENSIONTHE
BELT,THEBELTWILLBEDAMAGEDANDITWILLNEVERRECOVERFROMITSORIGINAL
TENSION
Mountthebeltbackaroundtheplanetarypulley;seethatthebeltisbehindthedrivingpulley
(Fig.9.5.3).Putthebeltaroundtheleftrollerofthetensioningdevice(Fig.9.5.4).Putthe
tensioningdevicebackinplaceandpullthebeltfromtherollerontherightside(Fig.9.5.5).
Putthebeltaroundthedrivingpulley(Fig.9.5.6).Begintotensionuntiltheprevious10cm
measurementequals10.2cm(Fig.9.5.7andFig.9.5.8).Tightenthetensioningdevicewhile
turningtheboltandmovingtheplanetaryheadsothebeltcanslide(Fig.9.5.8).Donotforget
tolockthetensioningdevice(Fig.9.5.9).
9.6CHECKINGTHETENSIONOFTHEBELT
Openthecheckingcovertoreachthebeltandtensiondevice(Fig.9.6.1).
Whiletensioning,besuretoregularlycheckthetension.Pushthebelt
downwithapressureof71N.Thisisapproximately7kilogramsor15
pounds;withthispressurethebeltshouldmove3.5‐4mmor1/8”.Itis
recommendedthatthetensioningofthebeltbemeasuredwithOptikrik
IIDevice(Measuringrange:500‐1400N)(Fig.9.6.2).Theoriginal
pressureP=1400NandafterworkingawhileisP=1100N.
ATTENTION:NEVER“OVER”TENSIONTHEBELT,THEBELTWILLBE
DESTROYEDANDITWILLNEVERRECOVERITSORIGINALTENSION
Loosenthecontranuts(Fig.9.6.3),lightlyloosenthethreeboltsofthe
tensiondevice(Fig.9.6.4),andadjustthetensionwiththenutseenin(Fig.9.6.5).Whentherighttensionisreached:closethe
contranutsandthethreeboltsofthesupport.Reassembleinthesamemanner.
PLEASEMAKESUREYOUCHECKTHETENSIONOFTHEBELTAFTERTHEFIRST15HOURSOFOPERATION
Figure 9.5.7 Figure 9.5.8 Figure 9.5.9
Figure 9.6.3
Fi
g
ure 9.6.2
Figure 9.6.1
Figure 9.6.4
Figure 9.6.5
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9.7REPLACINGTHEPULLEYUNITS
Dismountguardandtopcoveraspreviousdescribed.
Dismountingthedrivingpulley:takethetopscrewouttoreleasethebushing(Fig.9.7.1),pushthebushingtogetherwiththe
washerup(Fig.9.7.2),pushwasherdownofthebushing(Fig.9.7.3).,takebushingout(Fig.9.7.4),pushkeyout(Fig.9.7.5),nowthe
washerreleases(Fig.9.7.6),dismountsealercap(Fig.9.7.7)(Fig.9.7.8),thepulleycanbereleasedwithtwocrowbarsbutdonotuse
excessiveforce(Fig.9.7.9),pushthesealercaptodismount(Fig.9.7.10),bymountingbacksecurewithsealant(Fig.9.7.11),center
theholestomountthepulley(Fig.9.7.12).
Figure 9.7.10
Figure 9.7.7 Figure 9.7.8 Figure 9.7.9
Figure 9.7.12
Figure 9.7.11
Figure 9.7.6
Figure 9.7.5
Figure 9.7.2
Figure 9.7.1
Figure 9.7.4
Figure 9.7.3
Figure 9.7.13 Figure 9.7.15Figure 9.7.14
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Forthetwootherpulleys,loosethefiveboltsofeachpulleybetweenthebaseplateandthemotorbasedisc(Fig.9.7.13).Anoil
sealring(Fig.9.7.14)andaseal(Fig.9.7.15)shouldbeplacedontopofthepulleybeforemounting.
9.8MOUNTINGTHEBELT
Seeheretheschematicofthebeltonthepulleys(Fig.9.8.1).
Todismount/mountthebelt,followthetensioninginstructioninchapter:
Checkingthetensionofthebelt.
9.9MOTORCONNECTION
Incaseofchangingthemotor,pleasecheckthecableconnectiontoyourmotor.
Lavina®25L‐S‐E
Themotorisconnectedin“Star”
380Volt,reminderforthe
wireconnectionofthemotor.
Figure 9.9.1
Figure 9.8.1
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9.10FAULTDIAGNOSISINVERTERYASKAWAV1000
Pagesarereferringto
YaskawaElectricSIEPC71060618AYASKAWAACDrive–V1000TechnicalManual
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