Alfalaval LKHex User manual

ESE02224-EN152022-11
Originalmanual
InstructionManual
LKHexCentrifugalPump

Tableofcontents
Theinformationhereiniscorrectatthetimeofissuebutmaybesubjecttochangewithoutpriornotice
1.DeclarationsofConformity.................................................................4
1.1.ATEXDirective201434EU......................................................................6
1.2.ATEXMarking.....................................................................................7
2.Safety..........................................................................................9
2.1.Importantinformation.............................................................................9
2.2.Warningsigns.....................................................................................9
2.3.Specialconditionsforsafeuse..................................................................10
2.4.Safetyprecautions................................................................................13
3.Installation....................................................................................15
3.1.Unpackingdelivery...............................................................................15
3.2.Installation.........................................................................................16
3.3.Pre-usecheck-pumpwithoutimpellerscrew.................................................18
3.4.Pre-usecheckwithimpellerscrew..............................................................19
3.5.Recyclinginformation.............................................................................20
4.Operation.....................................................................................21
4.1.Importantcheckandmonitoringduringoperation............................................21
4.2.Operatingconditions.............................................................................22
4.3.OperationControl.................................................................................23
4.4.Troubleshooting..................................................................................25
4.5.Recommendedcleaning.........................................................................26
5.Maintenance..................................................................................27
5.1.Generalmaintenance.............................................................................27
5.2.Dismantlingofpumpshaftseals................................................................29
5.3.Assemblyofpumpsingleshaftseal............................................................31
5.4.Assemblyofpumpdoublemechanicalshaftseal.............................................33
5.5.Adjustmentofshaft(LKHex-10to-70).........................................................35
6.Technicaldata................................................................................37
6.1.Technicaldata.....................................................................................37
6.2.Technicalinformationanddescriptionofmechanicalshaftseals............................38
6.3.Torquespecifications.............................................................................39
6.4.Weight(kg)........................................................................................39
6.5.Noiseemission....................................................................................40
6.6.Relubricationintervals............................................................................41
7.Partslist.......................................................................................42
7.1.DrawingLKHex-10,-15,-20,-25,-35,-40,-45,-50,-60,-70sanitaryversion...........42
7.2.LKHex-Wetend(LKH-10-70).................................................................44
7.3.LKHex-Motordependentparts(LKH-10-70)...............................................46
7.4.LKHex-Shaftseal................................................................................48
3

1DeclarationsofConformity
EU EU
EUDeclaration Declaration Declarationof of ofConformity Conformity Conformity
TheDesignatedCompany
AlfaLavalKoldingAS,Albuen31,DK-6000Kolding,Denmark,[phone]
Companyname,addressandphonenumber
Herebydeclarethat
Pump
Designation
LKHex-10,LKHex-15,LKHex-20,LKHex-25,LKHex-35,LKHex-40,LKHex-45,LKHex-50,LKHex-60,LKHex-70
Type
Serialnumberfrom245.600to1.000.000
isinconformitywiththefollowingdirectiveswithamendments:
-MachineryDirective200642EC
-RoHSEUDirective201165EUandamendments
-ATEXdirective201434EU
PumpMarkingOptions:Forspecificmarkingseepumpnameplateandreferto“SpecialConditionsforSafeUse”in
instructionmanual.
II2G
ExhIIBT4GbTa-20Cto+35C
II2G
ExhIIBT4Gb
II2G
ExhIIBT3Gb
ForATEXdirective201434EUthefollowingharmonizedstandardsEN80079-36:2016andEN80079-37:2016fornone
electricalequipmenthavebeenapplied.
ATEXdirective201434EUconformityforthemotoriscoveredbytherelevantEUTypeexaminationcertificateanddeclaration
suppliedbythemanufacturer.
ThePumpTechnicalfileisstoredwith:TeknologiskInstitut,KongsvangAllé29,8000AarhusC,Denmark
NotifiedBodyno.:0396
Archiveno.:2017-2-0270A
Thepersonauthorisedtocompilethetechnicalfileisthesignerofthisdocument.
GlobalProductQualityManagerLarsKruseAndersen
TitleName
Kolding,Denmark2022–11-14
PlaceDate(YYYY-MM-DD)Signature
ThisDeclarationofConformityreplacesDeclarationofConformitydated2019-10-14
4

1DeclarationsofConformity
UK UK
UKDeclaration Declaration Declarationof of ofConformity Conformity Conformity
TheDesignatedCompany
AlfaLavalKoldingAS,Albuen31,DK-6000Kolding,Denmark,[phone]
Companyname,addressandphonenumber
Herebydeclarethat
Pump
Designation
LKHex-10,LKHex-15,LKHex-20,LKHex-25,LKHex-35,LKHex-40,LKHex-45,LKHex-50,LKHex-60,LKHex-70
Type
Serialnumberfrom245.600to1.000.000
isinconformitywiththefollowingdirectiveswithamendments:
-TheSupplyofMachinery(Safety)Regulations2008
-TheRestrictionoftheUseofCertainHazardousSubstancesinElectricalandElectronicEquipmentRegulations2012
-TheEquipmentandProtectiveSystemsIntendedforuseinPotentiallyExplosiveAtmospheresRegulations2016
PumpMarkingOptions:Forspecificmarkingseepumpnameplateandreferto“SpecialConditionsforSafeUse”in
instructionmanual.
II2G
ExhIIBT4GbTa-20Cto+35C
II2G
ExhIIBT4Gb
II2G
ExhIIBT3Gb
ForATEXthefollowingharmonizedstandardsEN80079-36:2016andEN80079-37:2016fornoneelectricalequipment
havebeenapplied.
ATEXconformityforthemotoriscoveredbytherelevantEUTypeexaminationcertificateanddeclarationsuppliedbythe
manufacturer.
ThePumpTechnicalfileisstoredwith:TeknologiskInstitut,KongsvangAllé29,8000AarhusC,Denmark
NotifiedBodyno.:0396.Archiveno.:2017-2-0270A
Signedonbehalfof:AlfaLavalKoldingAS
GlobalProductQualityManagerLarsKruseAndersen
TitleName
Kolding,Denmark2022–11-14
PlaceDate(YYYY-MM-DD)Signature
DoCRevison_01_112022
5

1DeclarationsofConformity
1.1ATEXDirective2014/34/EU
A A
ATEX TEX TEXDir Dir Directive ective ective201434EU 201434EU 201434EU
TheATEXDirective201434EUcoversequipmentandprotectivesystemsthatwillbeusedinareasendangeredbypotentially
explosiveatmospherescreatedbythepresenceofflammablegases,vapoursanddusts.Centrifugalpumpssuppliedwith
anATEXsymbolareclassifiedforuseinpotentiallyexplosiveatmospheresunderATEXDirective201434EUGroupII,
Categories2and3.
TechnicalFileRef:LKHex LKHex
LKHex- - -Document Document Documentr r refer efer eference ence enceno. no. no.9612 9612 9612- - -9600 9600 9600- - -01. 01. 01.
EquipmentGroupandCategory:Gr Gr
Group oup oupII II IIcategory category category2 2 2G G G(zone (zone (zone1) 1) 1)
Standardsused:EN EN
EN80079 80079 80079- - -36:2016, 36:2016, 36:2016,EN EN EN80079 80079 80079- - -37:2016 37:2016 37:2016
6

1DeclarationsofConformity
1.2ATEXMarking
Name Name
Nameplate plate plateexample: example: example:
16
311.0kW50HzSSS
Shaftsealtype(singleshaftseal)
Maxpoweroutputat50Hz
Impellerdiameter(Ø163)
II2G
ATEXmarking-directvepart
ExhIIBT4GbTa-20Cto+40C
Ambienttemperaturelimit.Seeinstructionmanual
”SpecialConditionsforSafeUse”tableA
ATEXmarking-standardpart
Shroudnotallowed
Definesifpumpcanbewithorwithoutshroud.
Seeinstructionmanual“SpecialConditionsforSafeuse”tableA
7

1DeclarationsofConformity
Nameplateposition
Seemarkingoptionsinchapter2.3Specialconditionsforsafeuse,tableA.
8

2Safety
Unsafepracticesandotherimportantinformationareemphasisedinthismanual.
Warningsareemphasisedbymeansofspecialsigns.
Always Always
Alwaysread read readthe the themanual manual manualbefore before beforeusing using usingthe the thepump! pump! pump!
2.1Importantinformation
W W
WARNING ARNING ARNING
Indicatesthatspecialproceduresmustbefollowedtoavoidseriouspersonalinjury.
CAUTION CAUTION
CAUTION
Indicatesthatspecialproceduresmustbefollowedtoavoiddamagetothepump.
NOTE NOTE
NOTE
Indicatesimportantinformationtosimplifyorclarifyprocedures.
2.2Warningsigns
General General
Generalwar war warning: ning: ning:
Danger Danger
Dangerous ous ouselectrical electrical electricalvoltage: voltage: voltage:
Caustic Caustic
Causticagents: agents: agents:
9

2Safety
Allwarningsinthemanualaresummarisedinthissection.
Payspecialattentiontotheinstructionsbelowsothatseverepersonalinjuryand/ordamagetothepumpareavoided.
2.3Specialconditionsforsafeuse
General General
Generalwar war warnings. nings. nings.
Always Always
Alwaysreadchapter4.2Operatingconditions.
Never Never
Neverrunthepumpwithneitherthesuctionsidenorthepressuresideblocked.
Always Always
Alwaysensurethatthepumpisliquidfilledwhenoperating,unlessadoubledmechanicalsealisfitted(SeetableC).
Always Always
Alwaysensurethatthepumpisliquidfillediftheprocessmediaisflammable.
Never Never
Nevermountshroudonthepumpifthenameplatestates"shroudnotallowed".
Always Always
Alwaysstopthepumpif
-operatingoutsidethegivenlimitsoftheprocessmediatemperatureorflowrate(SeetableAandB).
-operatingoutsidethegivenlimitsoftheflushmediatemperatureorflowrate(SeetableC).
-Note Note
Noteitmustbeensuredthattheflowandtemperaturelimitsfortheprocessmediaorflushmediaaremaintainedwhenthe
pumpisoperating.Ifthiscannotbeensuredinanyotherway,theflowandtemperatureshouldbecontinuouslymonitored.
Note Note
NoteIncaseofsealfailure,leakagemayoccur.Ifthiscanleadtohazardoussituations,theriskmustbeevaluatedand
necessaryprecautionsmustbetaken.(Seechapter6.2Technicalinformationanddescriptionofmechanicalshaftseals).
Note Note
NotethemotorisaseparatecertifiedATEXproductandcoveredbyEU-typeexaminationcertificateandmustbehandled
accordingtothespecificationsinthemotorinstructionmanual.
Safety Safety
Safetycritical critical criticallimitations limitations limitationsfor for forspecific specific specificA A ATEX TEX TEXmarkings. markings. markings.
T T
Table able ableA A A
Pump Pump
Pumpmarking marking markingoptions options optionsAmbient Ambient
Ambienttemperatur temperatur temperature e eCritical Critical
Criticaltemperatur temperatur temperature e erange range rangeof of of
pr pr
process ocess ocessmedia media media
II2G
ExhIIBT4GbTa-20Cto+35C
-20°Cto+35°C
(Shroudallowed)*3
II2G
ExhIIBT4Gb
-20°Cto+40°C
(ShroudNOTallowed)
-10°Cto100°C*1&2
II2G
ExhIIBT3Gb
-20°Cto+40°C
(Shroudallowed)-10°Cto140°C*1&2
*1SeetableBforpositionoftemperaturesensorandmin.flowrates.
*2“b1”ignitioncontrolisused,seedetailsinsectionbelow“b1controlsystemrequirements”.
*3ForpumpswithtemperatureclassT4andwith18,5kWmotorsorlarger,shroudisnotallowed(independentofambient
temperature).
Note Note
NoteForT4applicationsthepumpcasingandsealhousingcanbesterilizedtomax125oCwhenthepumpisNOToperating.
Note Note
NoteEnsurethatthechosenelastomeriscompatiblewiththeprocessmediaandthemediatemperature(seechapter
4.2formoreinformation).
Note Note
NoteTheLKHexcanonlybemarkedforcategory2Gbutcanbeusedfor3Gapplicationsalso.
10

2Safety
Allwarningsinthemanualaresummarisedinthissection.
Payspecialattentiontotheinstructionsbelowsothatseverepersonalinjuryand/ordamagetothepumpareavoided.
Requir Requir
Requirements ements ementsfor for formeasur measur measurements ements ementson on onthe the thepr pr process ocess ocessmedia media media
Therearetwoprinciplesoftemperaturemeasurementsoftheprocessmedia:
A.Temperatureismeasuredonthepumpoutletside(S1).Noequipmentwithcoolingeffectontheprocessmediaisallowed
betweenpumpandsensor.
B.Temperatureismeasuredsomewhereonthepumpinletside(S2).Noheatgeneratingequipmentisallowedbetweenthe
temperaturesensorandthepump.
T T
Table able ableB B BMeasurementsonprocessmedia
T T
Temperatur emperatur emperature e e
sensor sensor
sensorposition position positionModel Model
ModelMin. Min.
Min.flow flow flow[m [m [m3 3
3h] h]
h]Max. Max.
Max.distance distance distance
to to
tooutlet outlet outlet[m] [m] [m]
LKH10-700,50,5
LKH10-60110
S1(outletside)LKH70510
LKH10-601
S2(inletside)LKH705Anywhereon
inletside
Requir Requir
Requirements ements ementsfor for formeasur measur measurements ements ementson on onthe the theflush flush flushmedia media media(double (double (doublemechanical mechanical mechanicalshaft shaft shaftseal) seal) seal)
T T
Table able ableC C CFlushmedialimitations
Max.temperature100°C
MIn.flowrate30lh
Max.pressure5bar
Note Note
Note:Flushmediatemperaturemustbemeasurednomorethan2mawayfromtheflushhousingoutlet.
Pumpsmountedwithdoublemechanicalshaftsealscan,periodically,operatewithoutthepumpcasingbeingcompletelyliquid
filledsincethesealfacesarelubricatedandcooledbytheflushmedia.
Theprocessmediamustnotbeflammableifthepumpisoperatingwithoutbeingcompletelyliquidfilledatalltimes.
11

2Safety
Allwarningsinthemanualaresummarisedinthissection.
Payspecialattentiontotheinstructionsbelowsothatseverepersonalinjuryand/ordamagetothepumpareavoided.
“b1” “b1”
“b1”contr contr control ol olsystem system systemr r requir equir equirements ements ements
MeasurementsystemshallbechosenaccordingtoEN-ISO80079-37.
Always Always
Alwaystestandvalidatethecontrolsystembeforeproductionstart-up.
Theignitionprotectionsystemperformancerequirements:
T T
Temperatur emperatur emperatures: es: es:
-+-2°C
-30sreactiontime
Flow: Flow:
Flow:
-+-10%
-30sreactiontime
Thedemandfortheignitionprotectionsystemb1mustbeaccordingtoISO13849-1PLccat.2orIEC61508SIL1and
mustbecalibratedandfunctionallytestedonayearlybasis.
12

2Safety
2.4Safetyprecautions
General General
Generalconsiderations considerations considerations
Topreventhazardousreactionsbetweentheprocessedfluidandthematerialsofconstruction,thematerialsofconstruction
mustbesuitablefortheapplication.
Theauxiliaryequipmentchosenfortheapplicationmustbesuitable.
Education Education
Education
Personnelinstalling,operatingorcarryingoutmaintenanceonthepumporanysub-componentmusthavethenecessary
knowledgeabouttheLKHexpumprange.Necessaryknowledgeincludestheunderstandingof:
-Functionofthepump,motorandshaftseal.
-Maintenanceserviceofthepumpunit,motorandshaftseal.
-OperationallimitsfortheLKHexpumprange.
-Safetyinstructions.
Installation Installation
Installation
Always Always
Alwaysreadthechapter3regardinginstallationcarefullybeforeinstallingthepumpunit.
Always Always
Alwaysensurethatthepumpunitissuitablefortheapplicationandwillstaywithinthespecificationsinchapter4.2
Operatingconditionsduringnormaloperation.
Always Always
Alwaysreadthetechnicaldatathoroughly.(Seechapter6Technicaldata.)
Always Always
Alwaysusealiftingcranewhenhandlingthepump.
Always Always
Alwaysdesigntheprocesssysteminawaysopressureshocksoroverpressureisavoided.
Pump Pump
Pumpwithout without withoutimpeller impeller impellerscr scr screw: ew: ew:
Always Always
Alwaysremovetheimpellerbeforecheckingthedirectionofrotation.
Never Never
Neverstartthepumpiftheimpellerisfittedandthepumpcasingisremoved.
Pump Pump
Pumpwith with withImpeller Impeller Impellerscr scr screw: ew: ew:
Never Never
Neverstartinthewrongdirectionofrotationwithliquidinthepump.
Always Always
Alwayshavethepumpelectricallyconnectedbyauthorisedpersonnel.(Seethemotorinstruction)
Operation Operation
Operation
Always Always
Alwaysreadthechapter4Operationbeforethepumpisstarted.
Always Always
Alwaysensurethatthepumpisoperatedwithinthespecificationsgiveninchapter4.2Operatingconditions.
Never Never
Nevertouchthepumporthepipelineswhenpumpinghotliquidsorwhensterilising.
Never Never
Neverrunthepumpwithboththesuctionsideandthepressuresideblocked.
Never Never
Neverrunthepumpwhenpartiallyinstalledornotcompletelyassembled.
Necessary Necessary
Necessaryprecautionsmustbetakenifleakageoccursasthiscanleadtohazardoussituations.
Always Always
Alwayshandlelyeandacidwithgreatcare.
Never Never
NeverusethepumpforproductsnotmentionedintheAlfaLavalpumpselectionprogram.
Never Never
Neverrestartthepumpautomaticallyafterasystemlockout.Atrestart,itmustbeensuredthatthepumpisrunningwithin
thespecificationsgiveninchapter4.2Operatingconditions.
TheAlfaLavalpumpselectionprogramcanbeacquiredfromyourlocalAlfaLavalsalescompany.
13

2Safety
Maintenance Maintenance
Maintenance
Always Always
Alwaysreadthechapter5Maintenancebeforeservicingthepump.
Always Always
Alwaysmakesurethatthespecificationsinchapter4Operationaremetbeforethepumpisputbackintooperation.
Always Always
Alwaysrefertothepumpserialno.onthenameplatewhenorderingsparepartstoensurecorrectspares.
Always Always
Alwaysreadthetechnicaldatathoroughly.(Seechapter6Technicaldata)
Never Never
Neverservicethepumpwhenitishot.
Never Never
Neverservicethepumpifpressurised.
Always Always
Alwayscheckforanyabnormalsoundsorrunningbehaviorswhenstartingupthepumpaftermaintenance.
Always Always
AlwaysuseAlfaLavalgenuinespareparts.
Motors Motors
Motorswith with withgr gr grease ease easenipples: nipples: nipples:
Always Always
Alwaysre-lubricatethemotoraccordingtotheintervalsspecifiedonthemotornameplate,seealso6Technicaldata
forrelubricationintervals.
Always Always
Alwaysdisconnectthepowersupplywhenservicingthepump.
T T
Transportation ransportation ransportation
T T
Transportation ransportation ransportationof of ofthe the thepump pump pumpor or orthe the thepump pump pumpunit: unit: unit:
Never Never
Neverliftorelevateinanywayotherthandescribedinthismanual
Always Always
Alwaysdrainthepumpheadandaccessoriesofanyliquid
Always Always
Alwaysensurethatnoleakageoflubricantscanoccur
Always Always
Alwaystransportthepumpinitsuprightposition
Always Always
Alwaysensurethattheunitissecurelyfixedduringtransportation
Always Always
Alwaysuseoriginalpackagingorsimilarduringtransportation
14

3Installation
3.1Unpacking/delivery
Step Step
Step1 1 1
Alwaysusealiftingcranewhenhandlingthepump(see6Technical
data).
CAUTION CAUTION
CAUTION
AlfaLavalcannotbeheldresponsibleforincorrectunpacking.
W W
WARNING: ARNING: ARNING:
Beawarethatcertainpumpconfigurationscantilt,andtherefore
causeinjuriestofeetorfingers.Thepumpshouldbesupported
underneaththeadaptorwhennotinstalledintheprocessline.
Check Check
Checkthe the thedelivery delivery deliveryfor: for: for:
1.Completepump.
2.Deliverynote.
3.Motorinstructions.
4.Testcertificate,IFORDERED!
Step Step
Step2 2 2
Removeanypackingmaterialsfromtheinletandoutlet.
Avoiddamagingtheinletandoutlet.
Avoiddamagingtheconnectionsforflushingliquid,ifsupplied.Remove
packing
materials!
Caution!
Step Step
Step3 3 3
Inspectthepumpforvisibletransportdamage.Inspection!
Step Step
Step4 4 4
Alwaysremovetheshroud,iffitted,beforeliftingthepump.Removetheshroudbeforelifting!
15

3Installation
Readtheinstructionscarefullyandpayspecialattentiontothewarnings!Alwayschecthepumpbeforeoperation.
-Seepre-usechecinsection3.3Pre-usechec-pumpwithoutimpellerscrew.
Thelargepumpsizesareveryheavy.AlfaLavalthereforerecommendstheuseofaliftingcranewhenhandlingthepump.
3.2Installation
Step Step
Step1 1 1
Always Always
Alwaysreadthetechnicaldatathoroughly.(Seechapter6Technicaldata)
-Checknameplateandmakesurethatthepumpislabelledaccordingtotheparticularapplicationwhereitisgoing
tobeused.
-Inordertopreventthepumpfromoperatingunderabnormalconditions,anATEX-compliantprotectionsystemmustbe
installed.ThesystemmustcomplywithENISO80079-37:2016orsimilarstandards.
-AlwaysuseATEX-compliantinstallationmaterial.
Always Always
Alwaysusealiftingcranewhenhandlingthepump.
Always Always
Alwayshavethepumpelectricallyconnectedbyauthorisedpersonnel.(seethemotorinstructions).
Thepumpunitmustbeconnectedtoearthbeforeoperation.
CAUTION CAUTION
CAUTION
AlfaLavalcannotbeheldresponsibleforincorrectinstallation.
W W
WARNING: ARNING: ARNING:
AlfaLavalrecommendstheinstallationoflockablerepairbreaker.Iftherepairbreakeristobeusedasanemergencystop,
thecoloursoftherepairbreakermustberedandyellow.
CAUTION CAUTION
CAUTION
Thepumpdoesnotpreventbackflowwhenintentionallyorunintentionallystopped.Ifbackflowcancauseanyhazardous
situations,precautionsmustbetakene.g.checkthevalvetobeinstalledinthesystempreventinghazardoussituations
fromarising.
Step Step
Step2 2 2
Ensureatleast0.5m(1.6ft)clearancearoundthepump.
16

3Installation
Readtheinstructionscarefullyandpayspecialattentiontothewarnings!Alwayschecthepumpbeforeoperation.
-Seepre-usechecinsection3.3Pre-usechec-pumpwithoutimpellerscrew.
Thelargepumpsizesareveryheavy.AlfaLavalthereforerecommendstheuseofaliftingcranewhenhandlingthepump.
Step Step
Step3 3 3
Checkthattheflowdirectioniscorrect.
O:Outlet
I:Inlet
Step Step
Step4 4 4
1.Ensurethatthepipelinesareroutedcorrectly.
2.Ensurethattheconnectionsaretight.
Remembersealrings!
Fewbends
Correct!
Step Step
Step5 5 5
A A
Avoid void voidstr str stressing essing essingthe the thepump. pump. pump.
Piping Piping
Pipingsystem system systemmust must mustbe be beself self self- - -supported supported supported
Pay Pay
Payspecial special specialattention attention attentionto: to: to:
-Vibrations.
-Thermalexpansionofthetubes.
-Excessivewelding.
-Overloadingofthepipelines.
Note Note
Note
Incaseofshaftsealleakage,themediawilldripfromtheslotinthebottomoftheadaptor.Incaseofshaftsealleakage,Alfa
Lavalrecommendsputtingadriptrayunderneaththeslottocollecttheleakage.
17

3Installation
Readtheinstructionscarefullyandpayspecialattentiontothewarnings!
LKHex-10to-60iswithoutimpellerscrewasstandardbutcanbesuppliedwithone.
Checthedirectionofrotationoftheimpellerbeforeoperation.
-Seetheindicationlabelonthepump.
3.3Pre-usecheck-pumpwithoutimpellerscrew
Step Step
Step1 1 1
Always Always
Alwaysremovetheimpellerbeforecheckingthedirectionof
rotation.
Never Never
Neverstartthepumpiftheimpellerisfittedandthepumpcasing
isremoved.
1.LKHex-10-60:Removecapnuts(24),washers(24a)andpump
casing(29).
2.Removeimpeller(27)(seealsoinstructioninsection5.3
Assemblyofpumpsingleshaftseal).
Step Step
Step2 2 2
1.Startandstopthemotormomentarily.
2.Ensurethatthedirectionofrotationofthestubshaft(7)is
anticlockwise anticlockwise
anticlockwiseasviewedfromtheinletside.
Seethe
indication
label!
Stubshaft
Step Step
Step3 3 3
Fitandtightenimpeller(27).
Step Step
Step4 4 4
1.Fitpumpcasing(29).
2.LKHex-10to-60:Fitwashers(24a)andtightencapnuts(24).
Note: Note:
Note:
Capnutsmustbetightenedaccordingtotorquevaluesinchapter
6Technicaldata
18

3Installation
Readtheinstructionscarefullyandpayspecialattentiontothewarnings!
LKHex-10to-60iswithoutimpellerscrewasstandardbutcanbesuppliedwithone.
Checthedirectionofrotationoftheimpellerbeforeoperation.
-Seetheindicationlabelonthepump.
3.4Pre-usecheckwithimpellerscrew
Never Never
Neverstartinthewrongdirectionofrotationwithliquidin
thepump.
1.Startandstopthemotormomentarily.
2.Ensurethatthedirectionofrotationofthemotorfanis
clockwiseasviewedfromtherearendofthemotor.
Viewfromrearendof
motor
19

3Installation
Readtheinstructionscarefullyandpayspecialattentiontothewarnings!
LKHex-10to-60iswithoutimpellerscrewasstandardbutcanbesuppliedwithone.
Checthedirectionofrotationoftheimpellerbeforeoperation.
-Seetheindicationlabelonthepump.
3.5Recyclinginformation
Unpacking Unpacking
Unpacking
-Packingmaterialconsistsofwood,plastics,cardboardboxesandinsomecasesmetalstraps
-Woodandcardboardboxescanbere-used,recycledorusedforenergyrecovery
-Plasticsshouldberecycledorburntatalicensedwasteincinerationplant
-Metalstrapsshouldbesentformaterialrecycling
Maintenance Maintenance
Maintenance
-Duringmaintenance,oilandwearingpartsinthemachinearereplaced
-Allmetalpartsshouldbesentformaterialrecycling
-Wornoutordefectiveelectronicpartsshouldbesenttoalicensedhandlerformaterialrecycling
-Oilandallnon-metalwearingpartsmustbedisposedofinaccordancewithlocalregulations
Scrapping Scrapping
Scrapping
-Attheendofuse,theequipmentmustberecycledaccordingtorelevantlocalregulations.Besidestheequipmentitself,any
hazardousresiduesfromtheprocessliquidmustbetakenintoconsiderationanddealtwithinapropermanner.Whenin
doubt,orintheabsenceoflocalregulations,pleasecontactyourlocalAlfaLavalsalescompany.
20