Superabrasive L25LM-S-E Owner's manual

Superabrasive UserManual OriginalLanguageLavina®25LM‐S‐E  12/2014

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LAVINA® L25LM-S-E User Manual

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www.superabrasive.com / factory@superabrasive.com

Superabrasive UserManual OriginalLanguageLavina®25LM‐S‐E 12/2014

2



1.GENERALINFORMATION

Manufacturer   3

GeneralDescription   3

MachineCharacteristics  3

MainDesign   3

EnvironmentalConditions  3

ElectricalConnection   4

VacuumConnection   4

TechnicalData   4

Vibrations4

SonorousEmissions   4

LabelData4

CustomerService   4



2.SAFETYINSTRUCTIONS

RecommendedUse   4

ProhibitedUse   4

PreparationforWork   5

ProtectionDevices   5

ArrestFunctions   5

SafeUse5

ResidualRisks   5

BeforeYouBegin   5

OperatingtheMachine  5

AfterWorkisCompleted  5

TheWorkArea   5

PersonalProtectiveEquipment(Ppe) 5

Operator5

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3.HANDLINGANDTRANSPORTATION

PreparingtheMachineforTransportation 6

LifttheMachinefromWorkingtoToolMounting

Position6

Lifting6

AdjustingtheHandle   6

Storage6

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4.OPERATION

PreliminaryControls   7

WaterFlowControlUnit  7

AdjustingandMountingTools  7

FrameBlocking(U‐Joint)  7

ControlBoard   8

StartingtheMachine   8

OperatingtheMachine  8

StoppingtheMachine     8

Alarm8

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5.TOOLSANDACCESSORIES

Weights9

ToolHolderKey   9

FoamPlate9

SecurityPlateforQuickchangePads 9

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6.POPULARTOOLS 10

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7.EXPLODEDVIEW

GeneralExplodedView(Fig.7.1)  11

TopCoverExplodedView1(Fig.7.2) 11

PlanetaryDriveExplodedView(Fig.7.3) 11

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TopCoverExplodedView2(Fig.7.4) 11

BottomCoverExplodedView1(Fig.7.5) 12

BottomCoverExplodedView2(Fig.7.6) 12

PulleyUnitsExplodedView(Fig.7.7) 12

CarriageExplodedView(Fig.7.8)   12

ToolHolderExplodedView(Fig.7.9)  12

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8.MAINTENANCEANDINSPECTION

Cleaning13

CheckDaily    13

CheckAndReplaceAfterTheFirst15WorkingHours 13

CheckEvery200WorkingHours   13

CheckEvery400WorkingHours   13

Vacuum13

WaterLeaks    13

MechanicalParts    13

ElectricalSystem    13

ElectricalSchemes    14

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9.TROUBLESHOOTING

IndexofProblemsandSolutions

9.1ReplacingPowerCordandPlugs  15

9.2DismountingandMountingToolHoldertochangebuffers

andspiders,changingV‐RingsandFelt‐Rings15

9.3TensioningandReplacethePlanetaryBelt 16

9.4TensioningUsedPlanetaryBelt  16

9.5MountingandTensioninganewPlanetaryBelt 16

9.6CheckingtheTensionoftheBelt  17

9.7ReplacingofthePulleyUnits   18

9.8MountingtheBelt    19

9.9MotorConnection    19

9.9FaultDiagnosisInverterYASKAWAV1000 20



10.WARRANTYANDRETURNS

Warranty23

ReturnPolicy    23

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11.DISPOSAL    23

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12.MANUFACTURER’SCONTACTS  23

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13.SPAREPARTS

13.1GeneralParts/formachinesproducedbeforeJan.12014/24

13.1GeneralParts/formachinesproducedafterJan.12014/24

13.2TopCoverParts1/formachinesproducedbefore

Jan.12014/    25

13.2TopCoverParts1/formachinesproducedafterJan.12014/25

13.3TopCoverParts2   26

13.4PlanetaryDriveParts   26

13.5GuardParts    26

13.6BottomCoverParts1   27

13.7BottomCoverParts2   27

13.8PulleyUnitsParts   28

13.8a.PulleyUnitAssembly   28

13.8b.DrivingPulleyUnit   28

13.9WaterSupplyParts/formachinesproducedbefore

Jan.12014/    28

13.9WaterSupplyParts/formachinesproducedafter

Jan.12014/    28

13.10ToolHolderParts   29

13.11CarriageParts/formachinesproducedbefore

Jan.12014/    29

13.11CarriageParts/formachinesproducedafterJan.12014/30

13.12ControlBoxParts380Volt   31

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Superabrasive UserManual OriginalLanguageLavina®25LM‐S‐E  12/2014

3

1.GENERALINFORMATION

Thisowner’smanualisintendedfortheoperatoroftheLavina®25LM‐S‐Emachine,theservicingtechnicianaswellasforanyoneelse

involvedwithoperatingorservicingthemachine.Werecommendthatyoureadtheinstructionsverycarefullyandfollowthem

strictly.Themanualincludesinformationaboutassembling,using,handling,adjusting,andmaintainingyourLavina®25LM‐S‐Efloor

grindingandpolishingmachine.



MANUFACTURER

Superabrasivewasfoundedin1987,asamanufacturerofhighqualitydiamondtoolsforthestoneandconcreteindustry.Today,

Superabrasiveisoneoftheworld’sleadingcompaniesintheproductionofdiamondtoolsandfloorgrindingmachinery.At

Superabrasive,westrivetodelivertheverybestsolutionstoourcustomers,andenablethemtoworkmoreefficiently.



GENERALDESCRIPTION

TheLavina®25LM‐S‐Emachineisintendedforgrinding,polishing,andbuffingconcrete,marble,granite,limestone,andterrazzo

surfaceswithdiamondtools.TheMachineisdrivenmechanicallyandtheoperatorisabletodirectitwithoutpushingforward.The

Lavina®25LM‐S‐Emachineisathree‐discmachine,whichcanbeuseddryaswellaswet.

Forbestresults,useonlytoolsmanufacturedorrecommendedbySuperabrasiveanditsdistributors.Additionally,themachinecould

beusedforgrindingwoodfloorsurfaces.

TheLavina®25LM‐S‐Emachineismanufacturedandfittedfortheabove‐mentionedapplicationsonly!Every

otherusemaycauseriskstothepersonsinvolved.



MACHINECHARACTERISTICS

The

Lavina®25LM‐S‐Emachi

neis

deoftwo

main

component

sections:



MAINDESIGN

Thetwomaincomponentsectionsarethecarriageandthemainhead.

Thehandle(Fig.1.1)onthe

frame

isadjustableinheightandallowstheoperatortoworkina

correctandsafeworkingposture.

Thehalogenspotlight(Fig.1.2)enablestheoperatortoworkindarkerareas.

Existinglightingsystemdoesnotreplaceadequateoverheadlighting.

 Aframe(U‐jointtechnology)ontopofthemotorbaseisprovidingthemainhead

apossibletomovetoallsidesanditgivesmoregrindingcapacity.

 Thecontrolsarepositionedontopoftheelectricalbox(fig.1.3)

 Theelectricalbox(fig.1.3)containstheelectricswitchingdevicesandtheinverter.

 Themainfeedingcableisconnectedwithaplugandsocketontop.Themotorfeeding

cableispluggedinthesocketlocatedonthebottomofthebox.

 Thetankisontheoppositesideoftheframe,sothattheweightofthe

waterhasnoinfluenceontheoperationofthemachine.Theframeweight,ontheotherhand,

isfullyabsorbedbythedrivingwheels.Anelectricpumpspraysthewaterthroughafrontsprayeror

internal.

 Themotorismountedonthebaseplateandisdrivingthethreeheadswithabeltsystem.

 Theplanetaryheadisdrivenbyasecondflatbelt.

 ThemachineisdrivenbynomaintenanceHelical‐bevelgearbox, assembledwith300Wmotorwith

individualfrequencycontrol.



ENVIRONMENTALCONDITIONS

ThetemperaturerangeforoperatingtheLavina®25LM‐S‐Emachineoutdoorsis

between41°Fand86°For5°Cand30°C.NeverusetheLavina®25LM‐S‐Emachine

duringrainorsnowwhenworkingoutdoors.Whenworkingindoors,alwaysoperate

themachineinwell‐ventilatedareas.



Figure 1.2

ure 1.1

Figure 1.3

Superabrasive UserManual OriginalLanguageLavina®25LM‐S‐E  12/2014

4

ELECTRICALCONNECTION

Thevoltage(Volt)andpower(Ampere)aredisplayedonalabelontheelectricalcontrolboxtoavoidanyincorrectconnection.

Refertothesebeforeconnectingthepower.Toavoidelectricalshocks,makesurethegroundpowersupplyisfunctioning

properly.

VACUUMCONNECTION

Aconnectiononavacuumdustextractorislocatedonthecarriage.TheLavina®25LM‐S‐Emachinedoesnotincludeavacuumdust

extractor.Thecustomermustpurchasethevacuumdustextractorseparately.ThehoseofthevacuumextractormustbeØ50mm

andcanbeglidedoverthepipe.Thevacuumdustextractormustbeadaptedforfloorgrindersandhaveaminimumair

displacementof320m3/hwithanegativevacuumof21kPa.

TECHNICALDATA

CE‐CERTIFICATION

TheLavina®25LM‐S‐Emachineisdesignedto

operatecorrectlyinanelectromagnetic

atmosphereofindustrialtypeandisequipped

withallthemechanicalandelectricalsafety

protectionsinconformitywiththefollowing

EuropeanCEErulesandregulations:

TheLavina®25LM‐S‐Emachinecomplieswiththe

SafetyDirectiveformachines2006/42/EC,the

EMCDirective2004/108/ECandtheLowVoltage

Directive2006/95/EC.

AlsocomplieswiththenormsinuseBDSENISO

12100,BDSEN13862,BDSENISO13857,BDSEN

349,BDSENISO13850,BDSEN13732‐1,BDSEN

953,BDSENISO13849‐1,BDSEN1037,BDSEN

ISO5349‐1,BDSENISO11201,BDSENISO

3744,BDSEN1033:2002,BDSEN60204‐1,BDSEN

1837,BDSEN61000‐6‐4,BDSEN61000‐6‐2,BDS

EN61000‐4‐2,BDSEN61000‐4‐4,BDSEN61000‐

4‐5,BDSEN61000‐4‐11,BDSEN55016‐2‐1

Testresultsareapartofthemachine’stechnicalinformationandcanbesentuponaspecialrequest.Themachineisdeliveredwith

theCEmarkexposedandprovidedwithaECdeclarationofconformity.

VIBRATIONS

Themeasuredvibrationvalueonthesurfaceofgrippingincaseofguidingthemachineisahw=3,42m/s2.Themeasurementismade

inaccordancewiththeBDSENISO1033andBDSENISO5349‐1.

SONOROUSEMISSIONS

Themaximumnoiselevelatdistanceofthemachineof1mincaseofworkingatidledoesnotexceed70dB(A).Themeasurementismadein

accordancewiththeBDSENISO11201andBDSENISO3744.

LABELDATA

ThedataonthelabelprovidesthecorrectvoltageandkW(neededforoperationalpurposes);Weight(neededfortransportation

purposes);productionyearandserialnumber(neededformaintenancepurposes).

CUSTOMERSERVICE

ForcustomerassistanceandtechnicalsupportcallyourlocaldistributororcallSuperabrasiveLtd.orvisitusat:

www.superabrasive.com,whereyoucandownloadacopyofthismanual.

2.SAFETYINSTRUCTIONS

RECOMMENDEDUSE 

TheLavina®25LM‐S‐Emachineisdesignedandmanufacturedto

grindandpolishconcrete,terrazzo,andnaturalstonefloors.It

canbeusedforrenovationsaswellasforpolishing.The

machineisdesignedfordryorwetuse.Whenusingitdry,usea

vacuumofappropriatesize.Formoreinformation,pleaserefer

tothechapteronhandlingthevacuumconnection.



PROHIBITEDUSE

ThemachineMUSTNOTbeused:

ForapplicationsdifferentfromtheonesstatedintheGeneral

Descriptionschapter.

Fornot‐suitablematerials,

inenvironmentswhich:

Possessriskofexplosion,Possesshighconcentrationof

powdersoroilsubstancesintheair,Possessrisksoffire

Featureinclementconditions,possesselectromagnetic

radiation.

Lavina®25LM‐S‐E

Voltage/Hz3phx380V50‐60Hz

AmperageMax30Amps

Power11kW15HP

Toolholderrpm300‐1100rpm

Workingwidth655mm25”

Tooldiameter(QCPlate)3x225mm3x9”

Weight315kg695lbs

Grindingpressure169kg370lbs

Additionalweightmax2x29kgmax2x64lbs

Applicationwetanddry

VacuumhoseportYes

Watertankcapacity20l5.2gal

Waterfeedwithpump(peripheralandfront)

Cablelength17.4m57ft

MachineLxWxH1880x690x1180mm 76x27.2x46.5”

PackingLxWxHonskid1150x730x1660mm 45.3x28.7x60.2”

PackingLxWxHCrate11150x730x1100mm 45.3x28.7x43.3”

+Crate21150x730x900mm 45.5x28.7x35.4”

Driveunit370W0.41HP

Superabrasive UserManual OriginalLanguageLavina®25LM‐S‐E  12/2014

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

PREPARATIONFORWORK

Makesurethat:Youhaveclosed

theworkarea,sothatnopersonsunfamiliarwithoperatingthe

machinecanenterthearea.Thetoolplateandtoolsare

adjustedtothemachineproperly.Therearenomissingpartsof

themachine.Themachineisinuprightworkingposition.The

protectiondevicesareworkingproperly.Theelectricalcableis

freetomoveandfollowthemachineeasily.Inordertokeepthe

electricalcablefrombeingdamaged,novehicleshouldcrossthe

zonewhereelectricalcablesaresituated.

PROTECTIONDEVICES 

Themachineisequippedwithseveralprotectiondevices

includingthefollowing:

Anemergencystopbutton

Aprotectionskirtandahoodforprotectingthetool

plates.

Thesedevicesprotecttheoperatorand/orotherpersonsfrom

potentialinjuries.Donotremovethem.Oncontrary,before

usingthemachine,pleaseensurethatallprotectivedevicesare

mountedandfunctionproperly.Thesecurityplatepreventsthe

QuickChangepadsfromlooseningduringwork.

ARRESTFUNCTIONS 

Functionsofarrestingofthemachinearefollowing:

Buttontostopthemotor(category1)

Emergencybutton(category1)

SAFEUSE  

TheLavina®25LM‐S‐Eisdesignedtoeliminateallriskscorrelated

withitsuse.However,itisnotpossibletoeliminatetherisksof

eventualaccidentwiththemachine.Unskilledoruninstructed

operatormaycausecorrelatedresidualrisks.

Suchrisksare:

PositionRisksduetooperator’sincorrectworkingposition

TanglingupRisksduetowearinginappropriateworkingclothes

TrainingRisksduetolackofoperationaltraining

NOTE:Inordertoreduceallconsequencesoftheabove‐

mentionedrisks,weadvisethatmachineoperator’sfollowthe

instructionsinthemanualatalltimes.

RESIDUALRISKS  

Duringthenormaloperatingandmaintenancecycles,the

operatorisexposedtofewresidualrisks,whichcannotbe

eliminatedduetothenatureoftheoperations.

BEFOREYOUBEGIN 

Workingareamustbeclearfromanydebrisorobjects.

Afirst‐timeoperatormustalwaysreadthemanualandpay

attentiontoallsafetyinstructions.

Allelectricconnectionsandcablesmustbeinspectedfor

potentialdamages.

Groundwiresystemofthepowersupplymustalsobeinspected.

Performgeneraldailyinspectionsofthemachineandinspectthe

machinebeforeeachuse.

Alwaysinspectthesafetydevices:Mountthesecurityplateand

theQuickChangepads

Theemergencybreakmustbeclearandworking.

Thetoolprotectormustbeworking



Themachinemustbeclean

Neveroperatethemachineintherain!

Confirmthattherearenomissingpartsespeciallyafter

transportation,repair,ormaintenance.

Beforefillingthewatertankwithwatermakesurethatthe

machineisnotworkingandthemainswitchisturnedoff.

Beforeturningonthemachinemakesurethatthebaseis

Placedonthefloor,themachineMUSTNOTbeinanupright

positionwhenturnedon!

OPERATINGMACHINE 

WhenoperatingtheLavina®25LM‐S‐E,makecertainthatthere

isno

one,butyouaroundthemachine.

Neverleavethemachineunattendedwhileworking.

Theelectricalcablemustmovefreelyandmustbedamage‐

free.

Thewaterhosemustmovefreelyandmustbedamage‐free.

Checkifthefloor,youwillworkon,isnottoouneven.Ifthisis

the

case,itmaycausedamagetothemachine.

AfterWorkiscompleted 

Cleanthemachineanditssurroundingsproperly

Emptyandcleanthewatertank

Unplugthemachineandwinduptheelectricalcable

Storethemachineinasafeplace

THEWORKAREA  

Makecertainthatpeopleorvehiclesdonotenterthework

area.

Avoidcablesandhosesbeingintheway.

Alwayscheckthefloorfordebris.

PERSONALPROTECTIVE 

EQUIPMENT(PPE)

Alwayswearsafetyshoeswhenworkingwiththemachine.

Alwayswearprotectorswhenworkingwiththemachine.

Allpersonnelintheimmediateworkareamustwearsafety

glasseswithsideshields.

Alwayswearsafetygloveswhenchangingthetools.

Alwayswearclothessuitablefortheworkenvironment.

OPERATOR  

TheLavina®25LM‐S‐Emachine.

Theoperatormustknowthemachine’sworkenvironment.

Onlyoneoperatoratatimecanworkwiththemachine.The

operatormustbeproperlytrainedandwellinstructedprior

tooperatingthemachine.

Theoperatormustunderstandalltheinstructionsinthis

manual.

Theoperatormustunderstandandinterpretallthedrawingsand

designsinthemanual.

Theoperatormustknowallsanitationandsafetyregulations

pertainingtotheoperationoftheLavina25LM‐S.

Theoperatormusthavefloorgrindingexperience.

Theoperatormustknowwhattodoincaseofanemergency.

Theoperatormusthaveanadequatetechnicalknowledgeand

preparation.

Superabrasive UserManual OriginalLanguageLavina®25LM‐S‐E  12/2014

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3.HANDLINGANDTRANSPORTATION

PREPARINGTHEMACHINEFORTRANSPORTATION

Unplugthemotorcableplugfromthe

controlboxanddisconnectthewaterhose

fromthemainheadbypullingitout(Fig.3.1)

(Fig.3.2).Windtheelectricalcableonthe

carriage.Releasethepinsets,whichattach

theheadtothecarriage.Pulloutthehoses

(Fig.3.3),anddismounttheheadfromthe

carriage.

TheheadoftheLAVINA®25LM‐S‐Emachine

hasonebarandsupporthandlesintendedforeasymovingandtransportation.



LIFTTHEMACHINEFROMWORKINGTOTOOLMOUNTINGPOSITION

Pushthefronthandledownandswivelittothefront(Fig.3.4).Pullthehandleupandensuretheheadisstableintheupright

position,for

Mounting/dismountingthetool.Ensurethatthewatertankis

empty

beforeflippingthemachine.Pulltheheadtouprightposition

(Fig.3.5).ThemachinesmanufacturedafterJan.12014are

withchangedlockingofthefronthandleasshownonthe

fig.3.4.1.



LIFTING

Liftingthemachinebycraneispossiblewiththeeyeboltthatismountedonthecarriage(seeFi

g.3.6).Theeyeboltandmachineconstructionisratedonlyfortheweightofthemachine.Donot

liftanyotherloadsonthemachine.Alwaysusehoistingequipmentratedfor300kgor660lbs



ADJUSTINGTHEHANDLE

TheHandleontheframeis

adjustableinheightandallows

theoperatortoworkinacorrect

andsafeposture.Themachines

manufacturedafterJan.12014

arewithchangedlockingofthe

handleontheframe.Theunlockingisbypullingthehandle(fig.3.4.1)Thelockingisautomaticallyunderactionofthe

spring.Fig.3.7.2showsallpossiblepositionofthehandle.Choosetheuprightpositiontomoveeasythemachine.



STORAGE

AlwaysstoreandtransporttheLavina®25LM‐S‐Emachineinadryplace.NevertransporttheLavina®25LM‐S‐Emachineunprotected;

itmaybedamagediftransportedunprotectedduringrainorsnow.

Whenstoringthemachine,thetemperaturemay

falltoorlessthan32F(or0°C),therefore,you

shouldemptythewaterfromthesystemusingthe

followingsteps:

‐ Pulloutthehoseofthetank(Fig.3.10)

‐ Usingcompressedair,blowoutthe

waterfromthesystemforthetwo

positionsoftheturn‐cock(Fig.3.11,Fig.

3.12).

Figure 3.1 Figure 3.2 Figure 3.3

Figure 3.6

Figure 3.10 Figure 3.11 Figure 3.12

Figure 3.5

Figure 3.4 Figure 3.4.1

ure 3.7 Figure 3.7.1 Figure 3.7.2 Figure 3.8

Superabrasive UserManual OriginalLanguageLavina®25LM‐S‐E  12/2014

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4.OPERATION

PRELIMINARYCONTROLS

Inspecttheworkingareaasexplainedinthesafetyinstructions.Forwetuse,fillinthewatertankwhentheelectricalcableis

disconnected.Connectthevacuumextractorandensurethatthevacuumhoseisclearanditwillfollowthemachineeasily.Plugin

themachineandmakesurethatthepowercordisfreetofollowtheworkingdirectionoftheLavina®25LM‐S‐Emachine.



WATERFLOWCONTROLUNIT

Theoperatorcanchoosethewatersprayerinthefrontwhenthetapisinthehorizontalposition(Fig.4.1),thewaterwill

sprayunderthecoverofthemachinewhen

thelevelisintheverticalposition

(Fig.4.2).Theflowregulatingvalvelocatedon

thetank(Fig.4.2.1)isincreasingorreducing

thewaterflowtothe

working

area–infront

ofthemachineorunderthemainheadcover

ofthe

machine

/onlyformachinesproduced

afterJan.12014/



ADJUSTINGANDMOUNTINGTOOLS



Mountthetoolsonlyafterensuringthatthereisenoughdiamondbondmaterialleft.Besurethattheplatesarealwaysclean

beforemounting.WARNING:Alwayssecurethe“QuickChange”padswiththesecurityplate(Fig.4.3),lockwiththetoolholderkey

(Fig.5.3).DiamondtoolswithVelcroareattachedonthree9inchfoamplates(Fig4.4).Thefoamplatesaremountedonthekeylock

(butterfly).Alwaysusethetoolholderkey(Fig.5.3).



FRAMEBLOCKING(U‐JOINT]

Therelationbetweentheworkingheadandtrolleyistheframe(U‐joint),whichallowsrotationabout

twoperpendicularaxestobetterfollowtheprofileofthefloor.

Themovementalongtheoneaxiscanbefixedwithtwoscrews(Fig.4.5)andthatblockthelateral

movementofthemachine.



Figure 4.4

Figure 4.3

Figure 4.5

Figure 4.2.1

Figure 4.1 Figure 4.2

Superabrasive UserManual OriginalLanguageLavina®25LM‐S‐E  12/2014

8



THECONTROLBOARD



1. Powercableplug

2. DigitalRPMindicatorIndicatestherevolutionperminuteofthegrinding

plates(nottherevolutionperminuteoftheentireunit).

3. Electricalbox

4. Lampcablegland

5. InverteralarmledLightbluewhentheinvertergoesintoalarmmode.

6. WaterpumpswitchLightsorangewhenthewaterpumpisworking.

7. Powerledlightsgreenwhenthepowerison

8. Forward/Reverseswitchchooseforwardforclockwiserotationofthe

grindingplatesorreverseforcounterclockwiserotationofthegrinding

plates

9. PotentiometerchangestheRPMofthegrindingplatesfrom300‐1100

rpm

10. Resetbuttonresetsthealarmoftheinverter

11. OFFbuttonstopsthemotor

12. ONbuttonstartsthemotor

13. Emergencybuttonusedinemergencysituationsforstoppingthemotor

14.PotentiometerchangestheRPMoftheforwardmovementfrom0.1‐1km/h

15.Forward/Disengageswitch–fortheforwardmovementmotor

16.Start/Stopswitch–fortheforwardmovementmotor



STARTINGTHEMACHINE

First,followthedirectionsinthechapter:SafetyDevicesandSafetyInstructions.Next,pulltheemergencystop(13)toensurethat

themachineisinworkingcondition.Checkthepotentiometer(9)andPotentiometer(14)andensurethatitissetatthecorrect

workingspeed.Ifworkingwet,addwatertothefloor’ssurface.Ifworkingdry,omitthisstep,andinsteadswitchonthevacuum

unit.Finally,holdthemachinefirmlyandpushthestartbutton(12),turntheswitch(15)inforwardpositionandstartswitch(16)

instartposition.



OPERATINGTHEMACHINE

Guidethemachineinstraightlinesacrossthefloor,andwitheachnewlineoverlapalittlebitofthepreviouslycompletedsurface

line.Workataconstantspeedallowingthetoolstimetoworkataspeedappropriateforthetools’gritsize.Avoidvibrations.Donot

stoptheLavina®25LM‐S‐Emachineinonespotwhilethetoolsarestillworkingbecausetheywillleavemarksonthefloors’surface.

Whenworkingwet,firstchoosethewatertapposition(Fig4.2)forwaterfeedandperiodicallystartthepumptoreleasewateronto

thefloor’ssurface(Fig.4.6Pos.5).Whenworkingdry,checkthefloors’surfaceperiodicallytoensurethatdustisnotaccumulatingon

thesurface,alsocheckyourvacuumregularlytoensurethatitisworkingproperly.

Ifnecessarythemachinecanbemovedbackmanually,byputtingtheswitch(15)inthedisengageposition.



STOPPINGTHEMACHINE

Themachinemustbestoppedgraduallyuntilthemotorstops.Donotstopmovingthemachinebeforearrestingthemotor

becausethetoolscoulddamagethesurface.Tostop,turnthestopswitch(16)andpush(11).Usetheemergencybutton(13)only

inanemergency,oruseittoswitchthepowercompletelyoff.Remembernottoholdthemachineinonespotbeforeturningoff

themotor.



ALARM

Thealarmlight(5)willlightincasetheinvertergoesintoalarmmode.Themostcommonfailureismotoroverload.Toresetthe

mode,pushtheresetbutton(10).



Figure 4.6

Superabrasive UserManual OriginalLanguageLavina®25LM‐S‐E  12/2014

9



5.TOOLSANDACCESSORIES



WEIGHTS

Superabrasiveoffersadditionalweightsforincreasingtheproductivityofthemachine(Fig.5.1).

Eachadditionalweightweighsabout64lbsor29kg.Eachindividualapplication,typeand

conditionofsurface,powercapacityoftheoutlet,etc.willdeterminethenumberofweights

youcanusewithouttrippingabreaker.

Theadditionalweightsdependonthetools;itisnotalwayspossibletoaddweights.Some

toolsworktooaggressivelyandthemachinecanstop.Theweightcanbeordered

withitemnumberA08.00.00.00



TOOLHOLDERKEY

Thetoolholderkey(Fig.5.3)isusedforadjusting,mountinganddismountingofthefoam

plates.Alwaysusethekeyformounting.

ItemnumberisA03.00.00.00



FOAMPLATE

DiamondtoolswithVelcroaremountedonthefoamplate9“(Fig.5.4).Thefoamplateis

mountedonthe“QuickChange”System.

ItemnumberisLV‐9‐FP‐S



SECURITYPLATEFORQUICKCHANGEPADS

Plate(Fig.5.5)usedtoensurethe“Quickchange”pads.

ItemnumberisA38.00.01



Figure 5.5

Figure 5.3

Figure 5.4

Figure 5.1

Figure 5.2

Superabrasive UserManual OriginalLanguageLavina®25LM‐S‐E  12/2014

10



6.POPULARTOOLS



RECOMMENDEDTOOLS



QuickChangeSystemandToolingfeatureextremelyfastandconvenienttoolchanges,andalongtool



life,providingforgreatlong‐termcostsavings.TheQuickChangepadsareproducedinfourdifferent



bondsforsuperhard,hard,mediumandsoftconcrete,inavarietyofgritsizes.Theyareofferedwith

1or2buttonsorrectangularsegments,whichallowsyoutocustomizetheaggressivenessofthecut.



Calibragrindingdiscs:ourpopularceramicbonddiscsaredesignedfortheremovalofdifficultscratches



and

theysaveyouvaluabletimebyeliminatingtheneedformultiplepasseswithmetaltools.Theycanbe



usedwet

ordry,andarebestforhardconcreteapplications.

Theyare3‐inch,withincludedVelcrobackattachment.



NATO®polishingdiscsfeatureaspecialresinformuladesignedforbothwetanddryapplicationsandauniquedesignwith



widechannelsallowingforworkonacleanersurfaceandensuringaqualitypolish.Availablein3and4insizes.Theyarewith



includedVelcroattachment.



V‐HARR®PremiumPolishingPadsaredesignedformechanicallypolishingandrestoringconcrete;alsoidealforterrazzoand



hardstonefloors.V‐HARR®padsareofferedinawidevarietyofdiametersandgritsizestoaccommodatemanyapplications.



Dryuseisstronglyrecommended.



ShinePro®arehighqualitydiamond‐impregnatedpadsforfloormaintenance.Availableinavarietyofsizes,andaregreatfor



dailyuse.Whenusedwet,theyrequireonlywater(nowaxorchemicalsneeded)andareaveryenvironmentallyfriendlysolution



formaintainingfloors.



UseonlySuperabrasive’srecommendedtools.Formoretoolingoptions,visitwww.superabrasive.com



Superabrasive UserManual OriginalLanguageLavina®25LM‐S‐E  12/2014

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7.EXPLODEDVIEW



LAVINA®25LM‐S‐EGENERALEXPLODEDVIEW(FIG.7.1)

LAVINA®25LM‐S‐ETOPCOVEREXPLODEDVIEW1(FIG.7.2)

LAVINA®25LM‐S‐EPLANETARYDRIVEEXPLODEDVIEW(FIG.7.3)

LAVINA®25LM‐S‐ETOPCOVEREXPLODEDVIEW2(FIG.7.4)









Figure 7.1 Figure 7.2

Figure 7.4

Figure 7.3

Superabrasive UserManual OriginalLanguageLavina®25LM‐S‐E  12/2014

12



LAVINA®25LM‐S‐EBOTTOMCOVEREXPLODEDVIEW1(FIG.7.5)

LAVINA®25LM‐S‐EBOTTOMCOVEREXPLODEDVIEW2(FIG.7.6)

LAVINA®25LM‐S‐EPULLEYUNITSEXPLODEDVIEW(FIG.7.7)

LAVINA®25LM‐S‐ECARRIAGEEXPLODEDVIEW(FIG.7.8)

LAVINA®25LM‐S‐ETOOLHOLDEREXPLODEDVIEW(FIG.7.9)



Figure 7.7

Figure 7.5 Figure 7.6

Figure 7.8 Figure 7.9

Superabrasive UserManual OriginalLanguageLavina®25LM‐S‐E  12/2014

13

8.MAINTENANCEANDINSPECTION

CLEANING

Keepyourmachineclean.Cleaningthemachineonaregularbasiswillhelpdetectandsolvepotentialproblemsbeforetheycan

causedamagetothemachine.Mostimportantly,checkandcleanthetoolplateconnections,powercordandplugs,vacuumhoses,

andwatertank.

CHECKDAILY

AfteroperatingtheLavinaSmachine,theoperatorshouldconductavisualinspectionofthe

machine.Anydefectshouldbesolvedimmediately.Payattentiontopowercords,plugsand

vacuumhoses,looseboltsorscrews.

Toolholders:Buffersandspidersareconsumablesandmustbevisuallycheckedeverydayand

replacedwhenneeded.Makesureflangesanddiscsaremountedandlockedwellinplace.The

keylockholders(butterflies)shouldbecheckedalso.

Checktherubberbuffersandthefixingoftheholdings.Theflangeholdingthebuffers(Fig8.11)

hastobefirmlyfixedtotheunit.Agapseentheremeansthatthereareloosescrewssecuring

theholder.Thescrewshavetobetightenedimmediatelytosafelyoperatethemachine.

Workingwithloosescrewsontheholdercouldalsocausedamagetothemachine.The

tighteningforceofthescrewshastobe25…30N.m(18…22ft/lbs).

Itisveryimportanttoregularlycheckthescrews(Fig.8.12)thatfixthe“QuickChange”holderto

thesafetypart,sothattheholderwillnotflyawayifthebuffersgetdamaged.Thetensionof

theplanetarybeltcanbecheckeddailybymovingtheheadandfeelingtheresistanceofthe

movingpulleys,ifthebeltslipstensionimmediately,seethechapter:Troubleshooting.



CHECKANDREPLACEAFTERTHEFIRST15WORKINGHOURS

Checkthebelttensionafter15hoursofworkingwiththemachine.

Thebottomcoverhasacontrolcover(Fig.8.2)thatallowsforfastandeasycontrol

andcorrectionofthebelt.Itisrecommendedthatthetensionofthebeltbetested

afterthefirst15hours,andtightenedifnecessary.Forthecorrecttension,seethe

chapter:TROUBLESHOOTING“mountingthebelt”.Everytimeyouopenthecontrol

cover,mountallthescrewsbackwithwashers.

CHECKEVERY200WORKINGHOURS

Every200workinghours,theoperatorshouldinspectallpartsofthemachinecarefully.

Mostimportantly,inspectandcleanthetoolplateconnections,powercordsandplugs,

vacuumhosesandthewatertankfilter.Also,checkthewaterflowofthepump.Checktheguardassembly.Makecertainthatthe

wheelsarecleanandarerotatingproperly.Inspectthecontrolbuttons.Iftherearedefectivecontrolparts,theyshouldbereplaced

immediately.Replacewornvacuumandwaterhoses.Checkthetensionofthebeltandtightenitwhennecessary.Forthecorrect

tensionseethechapter,TROUBLESHOOTING.

Dismountthetoolholders(seeTROUBLESHOOTING)replaceallparts(spider,buffers,sealercaps,“O”rings)withtheslightest

damage.

Opentheinspectioncoveronthemotorbasetocheckontheplanetarydrivingbelt;bymovingthemainhead,thebeltshouldnotslip

ontheplanetarypulleyanddrivethepulleys.

CHECKEVERY400WORKINGHOURS

Besidesthechecksof200workinghours,replacethesealerandV‐ringslikedescribedinthechapter:TROUBLESHOOTING,

replacingbeltandpulleyunits.Checkisthebeltsandbearingsareingoodcondition,changeifneeded.



VACUUM

Aspreviouslystated,frequentlycheckhosesandotherpartsforclogging.



WATERLEAKS

Replaceanyleakingpartsimmediatelyasthewatercoulddamageyourmachine.



MECHANICALPARTS

Partssuchasthebelts,sealrings,spidersandbuffers,andguardassemblyaresubjecttowearandshouldbereplacedasneeded.



ELECTRICALSYSTEM

Dustshouldnotenterthecontrolbox,asitwilldestroythecontacts.Remove(blowout)anydustpresent.



Figure 8.2

ure 8.1

Superabrasive UserManual OriginalLanguageLavina®25LM‐S‐E  12/2014

14



LAVINA®25LM‐S‐EELECTRICALSCHEMESWITHYASKAWAINVERTER

380Volt



LAVINA®25LM‐S‐EELECTRICALSCHEMESYASKAWA

CONNECTIONMAINCIRCUITTERMINALS













Figure 8.3

Figure 8.4

Themotorisconnectedin“Star”

380Volt,reminderforthe

wireconnectionofthemotor.



Figure 8.6

Figure 8.5

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15

Figure 9.2.7 Figure 9.2.8 Figure 9.2.9 Figure 9.2.10



9.TROUBLESHOOTING

INDEXOFPROBLEMSANDSOLUTIONS

9.1REPLACINGPOWERCORDANDPLUGS

Whenreplacingthepowercordorplugs,alwaysusecordsandplugswiththeexactspecificationsastheoriginalones.Neveruse

lowerqualityordifferenttypesofcordsorplugs.

Inaddition,takeintoconsiderationthedistanceoftheapplicationfromtheelectricalsource.Thegraterthedistance,thegreaterthe

resistanceandthelesscurrentthatwillbeavailableattheotherend,therewillbeavoltagedropandtheinverterwillgointoalarm

mode.Thisalsohappenedifseveralmachinesareworkingonthesamelineorwhenthegeneratorisunderrated.Ingeneral,our

standardcablecanbedoubledinlength,ifalongerlengthisneededyoucanreplaceallthecableswithcablesofabiggergagerated

forthelengthandtheamperage.

9.2DISMOUNTINGANDMOUNTINGTOOLHOLDERTOCHANGEBUFFERSANDSPIDER,CHANGINGV‐RINGSANDFELT‐RINGS

  



  



Tocheckorplacethebuffersandthespiders,thetoolholderhastobedismounted.Removethecountersunkscrewsontopofthe

buffer(Fig.9.2.1).Takethediscoff(Fig.9.2.2),thespidercanberemovedorreplaced(Fig.9.2.3).BylooseningthefourHexcapbolts

(Fig.9.2.4),thedisccomesloose(Fig.9.2.5)andthebufferscanbereplaced(Fig.9.2.6).Attention,whenmounting,alwaysusethe“blue”

threadlockingadhesive,exceptontheboltstolockthebuffers(Fig.9.2.5).Alwaysuseoriginalbolts.Dependingonthenumber(3,4,or

6)ofbuffers,theholdercanbemoreflexibleorrigid.



Whenthetoolholderisdismounted,youcanchangethesealers(V‐RingandFelt‐Ring).Takeout

felt‐ring,AdaptorandV‐Ring.Beforemountingcheckonwhichsidetheadaptorisfitting,

rememberthecorrectside.MounttheV‐RingwiththesmallestlipoftheVtoinside(Fig.9.2.7)

justpushtheV‐ringsothetopisonthesamelevelasthepulleytop(Fig.9.2.8).Thentakethe

adaptorinthecorrectwayandpushtheV‐Ringdownwiththeadaptor(Fig.9.2.9).Thelowestlip

oftheV‐Ringshouldonlybarelytouchitsglidingsurface;alsoneverpushtheV‐Ringdownwith

fingers.Mountnowthefelt‐ringontop(Fig.9.2.10).Closethesealerswiththecap(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

Figure 9.2.11

Superabrasive UserManual OriginalLanguageLavina®25LM‐S‐E  12/2014

16

9.3TENSIONINGANDREPLACETHEPLANETARYBELT

  





Ifthebeltslipsorisbrokenseparatethe

carriagefrommainhead,pulloutmotor

plug(Fig.9.3.1),water‐(Fig.9.3.2)(Fig.9.3).

vacuumtubes(Fig.9.3.4).Takeoffthe

handles,fork,topframeandweight

holderssoyoucandismountthetop

cover(Fig.9.3.5).



9.4TENSIONINGUSEDPLANETARYBELT

 



Noticingalossofspeedinplanetarymovementcouldmeanthatthebeltforplanetarymovementneeds

replacing.Forreplacementinstructionssee9.5“MountingandTensioningaNewPlanetaryBelt.”



9.5MOUNTINGANDTENSIONINGANEWPLANETARYBELT

  



  



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 9.3.2 Figure 9.3.3

Figure 9.3.4 Figure 9.3.5

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17

  



Completelydismountthetensioningdevice(Fig.9.5.1).Make2marksonthedismountedbelt

thatareexactly10cmfromeachother(beltwithouttension)(Fig.9.5.2).Thepurposeisto

measure10.2cmonthebeltintensionfor2%tension,amaximumof2.5%isallowed(a

maximumof2.5%isallowed).ATTENTION:NEVER“OVER”TENSIONTHEBELT,THEBELTWILL

BEDAMAGEDANDITWILLNEVERRECOVERITSORIGINALTENSION

Mountthebeltbackaroundtheplanetarypulley;seethatthebeltisbehindthedrivingpulley

(Fig.9.5.3).Putthebeltaroundtheleftrollerofthetensioningdevice(Fig.9.5.4).Putthe

tensioningdevicebackinplaceandpullthebeltfromtherollerontherightside(Fig.9.5.5).Put

thebeltaroundthedrivingpulley(Fig.9.5.6).Begintotensionuntilthemeasureof10cm

betweenthemarksbecomes10.2cm(Fig.9.5.7)(Fig.9.5.8).Tightenthetensioningdevicewhile

turningtheboltmovetheplanetaryheadsothebeltcanslide.(Fig.9.5.8).Donotforgettolock

thetensioningdevice(Fig.9.5.9).



9.6CHECKINGTHETENSIONOFTHEBELT



Openthecovertoreach/checkthebeltandtensiondevice(Fig.9.6.1).

Whiletensioning,regularlycheckthetension.Pushthebeltdownwith

apressureof71N.Thisisapproximately7Kilogramsor15pounds,with

thispressurethebeltshouldmove3.5‐4mmor1/8”.Itis

recommendedthatthetensioningofthebeltbemeasuredwith

OptikrikIIdevice(measuringrange:500‐1400N)(Fig.9.6.2).Theoriginal

pressureP=1400Nandafterworkingawhile,P=1100N.

ATTENTION:NEVER“OVER”TENSIONTHEBELT,THEBELTWILLBE

DAMAGEDANDITWILLNEVERRECOVERITSORIGINALTENSION

Loosenthecontranuts(Fig.9.6.3),lightlyloosenthethreeboltsofthe

tensiondevice(Fig.9.6.4),andadjustthetensionwiththenutseenin

(Fig.9.6.5).

Whentherighttensionisreached:securethecontranutsandthethreeboltsforsupport.Reassembleinthesamemanner.

PLEASEMAKESUREYOUCHECKTHETENSIONOFTHEBELTAFTERTHEFIRST15HOURSOFOPERATION

Figure 9.5.7 Figure 9.5.8 Figure 9.5.9

Figure 9.5.10

Figure 9.6.3

ure 9.6.2

Figure 9.6.1

Figure 9.6.4

Figure 9.6.5

Superabrasive UserManual OriginalLanguageLavina®25LM‐S‐E  12/2014

18

9.7REPLACINGTHEPULLEYUNITS

Dismountguardandtopcoveraspreviousdescribed.

  



  



  



  



Dismountingthedrivingpulley:takethetopscrewouttoreleasethebushing(Fig.9.7.1),pushthebushingtogetherwiththe

washerup(Fig.9.7.2),pushwasherdownofthebushing(Fig.9.7.3).,takebushingout(Fig.9.7.4),pushkeyout(Fig.9.7.5),nowthe

washerreleases(Fig.9.7.6),dismountsealercap(Fig.9.7.7)(Fig.9.7.8),thepulleycanbereleasedwithtwocrowbarsbutdonotuse

excessiveforce(Fig.9.7.9),pushthesealercaptodismount(Fig.9.7.10),bymountingbacksecurewithsealant(Fig.9.7.11),center

theholestomountthepulley(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 9.7.15

Figure 9.7.14

Superabrasive UserManual OriginalLanguageLavina®25LM‐S‐E  12/2014

19

Forthetwootherpulleys,loosenthefiveboltsofeachpulleybetweenthebaseplateandthemotorbasedisc(Fig.9.7.13).Anoil

sealring(Fig.9.7.14)andaseal(Fig.9.7.15)shouldbeplacedontopofthepulleybeforemounting.

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9.8MOUNTINGTHEBELT

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Seeheretheschematicofthebeltonthepulleys(Fig.9.8.1).

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Todismount/mountthebelt,followthetensioninginstructionsinthechapter:

Checkingthetensionofthebelt.

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9.9MOTORCONNECTION

Ifyoureplacethemotor,pleasecheckthecableconnectionandfollowthefiguresbelow.

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LAVINA®25LM‐S‐E

Themotorisconnectedin“Star”

380Volt,reminderforthewireconnectionofthemotor.

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Figure 9.9.1

Figure 9.8.1

Superabrasive UserManual OriginalLanguageLavina®25LM‐S‐E  12/2014

20

9.10FAULTDIAGNOSISINVERTERYASKAWAV1000

Pagesarereferringto

YaskawaElectricSIEPC71060618AYASKAWAACDrive–V1000TechnicalManual

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Superabrasive L25LM-S-E Owner's manual

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