Alfalaval LKH Series User manual

ESE00698-EN302022-07
Originalmanual
InstructionManual
LKHCentrifugalPump

Tableofcontents
The information herein is correct at the time of issue but may be subject to change without prior notice
1.ECDeclarationofConformity........................................................................4
2.Safety....................................................................................................5
2.1.Importantinformation............................................................................5
2.2.Warningsigns....................................................................................6
2.3.Safetyprecautions...............................................................................7
3.Installation..............................................................................................9
3.1.Unpacking/delivery...............................................................................9
3.2.Installation.........................................................................................11
3.3.Pre-usecheck-pumpwithoutimpellerscrew................................................18
3.4.Pre-usecheck-pumpwithimpellerscrew...................................................19
3.5.Recyclinginformation............................................................................20
4.Operation................................................................................................21
4.1.Operation/Control................................................................................21
4.2.Troubleshooting.................................................................................23
4.3.Recommendedcleaning........................................................................24
5.Maintenance............................................................................................26
5.1.Generalmaintenance............................................................................26
5.2.CleaningProcedure..............................................................................28
5.3.Dismantlingofpump/shaftseals...............................................................29
5.4.Assemblyofpump/singleshaftseal...........................................................32
5.5.Assemblyofpump/󰘱ushedshaftseal.........................................................35
5.6.Assemblyofpump/doublemechanicalshaftseal...........................................38
5.7.Adjustmentofshaft(LKH-5)....................................................................41
5.8.Adjustmentofshaft(LKH-10to-90)...........................................................43
6.Technicaldata..........................................................................................45
6.1.Technicaldata....................................................................................45
6.2.Relubricationintervals...........................................................................46
6.3.TorqueSpeci󰘰cations...........................................................................46
6.4.Weight(kg)........................................................................................46
6.5.Noiseemission...................................................................................47
7.Partslistandservicekits..............................................................................48
7.1.LKH-5Sanitaryversion..........................................................................48
7.2.LKH-10,-15,-20,-25,-35,-40,-50,-60,-70,-75,-85,-90sanitaryversion.............49
7.3.LKH-Productwettedparts.....................................................................50
7.4.LKH-Motor-dependentparts..................................................................57
7.5.LKH-Shaftseal..................................................................................65
3

1ECDeclarationofConformity
RevisionofDeclarationofConformity2013-12-03
TheDesignatedCompany
AlfaLavalKoldingA/S
CompanyName
Albuen31,DK-6000Kolding,Denmark
Address
[phone]
PhoneNo.
herebydeclarethat
Pump
Designation
LKH-5,LKH-10,LKH-15,LKH-20,LKH-25,LKH-35,LKH-40,LKH-45,LKH-50,LKH-60,LKH-70,LKH-85,LKH-90
Type
SerialnumberfromAAB000000001toAAB999999999
Serialnumberfrom10.000to1.000.000
Serialnumberfrom100700000001-100799999999
isinconformitywiththefollowingdirectivewithamendments:
-MachineryDirective2006/42/EC
Thepersonauthorisedtocompilethetechnical󰘰leisthesignerofthisdocument
GlobalProductQualityManager
HygienicFluidHandlingLarsKruseAndersen
TitleName
Kolding2020-01-23
PlaceDateSignature
4

2Safety
Unsafe practices and other important information are emphasised in this manual.
Warnings are emphasised by means of special signs.
Always Always
Always
read read
read
the the
the
manual manual
manual
before before
before
using using
using
the the
the
pump! pump!
pump!
2.1Importantinformation
WARNING WARNING
WARNING
Indicatesthatspecialproceduresmustbefollowedtoavoidseriouspersonalinjury.
CAUTION CAUTION
CAUTION
Indicatesthatspecialproceduresmustbefollowedtoavoiddamagetothepump.
NOTE NOTE
NOTE
Indicatesimportantinformationtosimplifyorclarifyprocedures.
This This
ThisInstruction Instruction Instructionmanual manual manualis is isdesigned designed designedto to toprovide provide providethe the theuser user userwith with withthe the theinformation information informationto to toperform perform performtasks tasks taskssafely safely safelyfor for forall all allphases phases phasesin in inthe the the
life life
lifetime time timeof of ofthe the theproduct product productsupplied. supplied. supplied.
The The
TheUser User Usershall shall shallalways always alwaysread read readthe the thesafety safety safetysection section section󰘰rst. 󰘰rst. 󰘰rst.Hereafter Hereafter Hereafterthe the theUser User Usercan can canskip skip skipto to tothe the therelevant relevant relevantsection section sectionfor for forthe the thetask task taskto to to
be be
becarried carried carriedout out outor or orfor for forthe the theinformation information informationneeded. needed. needed.
This This
Thisis is isthe the thecomplete complete completemanual manual manualfor for forthe the thesupplied supplied suppliedproduct. product. product.
Skills Skills
Skillsfor for forpersonal: personal: personal:
Operators: Operators:
Operators:
The The
Theoperators operators operatorsshall shall shallread read readand and andunderstad understad understadthe the theinstruction instruction instructionmanual manual manualfor for forthe the thesupplied supplied suppliedproduct product product
Maintenance Maintenance
Maintenancepersonnel: personnel: personnel:
The The
Themaintenance maintenance maintenancepersonnel personnel personnelshall shall shallread read readand and andunderstad understad understadthe the theinstruction instruction instructionmanual. manual. manual.
The The
Themaintenance maintenance maintenancepersonnel personnel personnelor or ortechnicians technicians techniciansshall shall shallbe be beskilled skilled skilledwithin within withinthe the the󰘰eld 󰘰eld 󰘰eldrequired required requiredto to tocarry carry carryout out outthe the themaintenance maintenance maintenancework work worksafely. safely. safely.
Trainees: Trainees:
Trainees:
Trainees Trainees
Traineescan can canperform perform performtasks tasks tasksunder under underthe the thesupervision supervision supervisionof of ofan an anexperienced experienced experiencedemployee. employee. employee.
People People
Peoplein in ingeneral: general: general:
The The
Thepublic public publicshall shall shallnot not nothave have haveaccess access accessto to tothe the thesupplied supplied suppliedproduct. product. product.
How How
Howto to tocontact contact contactAlfa Alfa AlfaLaval Laval Laval
Contactdetailsforallcountriesare
continuallyupdatedonourwebsite.
Pleasevisitwww.alfalaval.comtoaccesstheinformationdirectly.
5

2Safety
Unsafe practices and other important information are emphasised in this manual.
Warnings are emphasised by means of special signs.
Always Always
Always
read read
read
the the
the
manual manual
manual
before before
before
using using
using
the the
the
pump! pump!
pump!
2.2Warningsigns
General General
Generalwarning: warning: warning:
Dangerous Dangerous
Dangerouselectrical electrical electricalvoltage: voltage: voltage:
Caustic Caustic
Causticagents: agents: agents:
6

2Safety
All warnings in the manual are summarised on this page.
Pay special attention to the instructions below so that severe personal injury and/or damage to the pump are avoided.
2.3Safetyprecautions
General General
General
Always Always
Alwaysensurethatpersonnelmusthaveexperiencewithliftingoperations.
Always Always
Alwaysensuretheliftingpointtobeinlinewithcenterofgravity.Adjustliftingpointifnecessary.
Always Always
Alwayskeepaneyeontheloadandstayclearduringtheliftingoperation.
Always Always
Alwaysensurethattheliftingequipmentissuitableforthespeci󰘰cpump.
Always Always
Alwaysuseappropriateliftingequipmentforheavypartswhenrelevant.Useliftinglogswhenapplied.
Topreventunexpectedstartandcontactwithelectricalliveandmovingparts.
Always Always
Alwaysdisconnectthepowersupplysafely:
-Thepowersupplydisconnectingdevicemustbedisconnected(inoffposition)andlocked.
-Incasethepumpiscapableofbeingpluggedintoanelectricalsupply,removaloftheplugissuf󰘰cient,provided
thattheoperatorcancheckfromanyofthepointstowhichhehasaccessthattheplugremainsremoved.
Always Always
Alwaysrefertothemotorinstructionmanualforinstallationandmaintenanceofthemotor.
Never Never
Nevertouchtheimpellerthroughtheinlet/outletduringstart/stopasthiscancauseseriousinjury.
Installation: Installation:
Installation:
Always Always
Alwaysreadthetechnicaldatathoroughly.(Seechapter6Technicaldata)
Pump Pump
Pumpwithout without withoutimpeller impeller impellerscrew: screw: screw:
Always Always
Alwaysremovetheimpellerbeforecheckingthedirectionofrotation.
Never Never
Neverstartthepumpiftheimpelleris󰘰ttedandthepumpcasingisremoved.
Pump Pump
Pumpwith with withImpeller Impeller Impellerscrew: screw: screw:
Never Never
Neverstartinthewrongdirectionofrotationwithliquidinthepump.
Always Always
Alwayshavethepumpelectricallyconnectedbyauthorisedpersonnel.(Seethemotorinstruction)
Operation: Operation:
Operation:
Always Always
Alwaysreadthetechnicaldatathoroughly.(Seechapter6Technicaldata)
Never Never
Nevertouchthepumporthepipelineswhenpumpinghotliquidsorwhensterilising.
Never Never
Neverrunthepumpwithboththesuctionsideandthepressuresideblocked.
Never Never
Neverrunthepumpwhenpartiallyinstalledornotcompletelyassembled.
Necessary Necessary
Necessaryprecautionsmustbetakenifleakageoccursasthiscanleadtohazardoussituations.
Always Always
Alwayshandlelyeandacidwithgreatcare.
Never Never
NeverusethepumpforproductsnotmentionedintheAlfaLavalpumpselectionprogram.
TheAlfaLavalpumpselectionprogramcanbeacquiredfromyourlocalAlfaLavalsalescompany.
Maintenance: Maintenance:
Maintenance:
Always Always
Alwaysreadthetechnicaldatathoroughly.(Seechapter6Technicaldata)
Never Never
Neverservicethepumpwhenitishot.
Never Never
Neverservicethepumpifpressurised.
Always Always
AlwaysuseAlfaLavalgenuinespareparts.
Motors Motors
Motorswith with withgrease grease greasenipples: nipples: nipples:
Always Always
Alwayslubricateacordingtomotormanufacturesrecommendedprocedures.
Always Always
Alwayslocateandremovegreaseventplugs,ifprovided,priortoaddinggrease.
Always Always
Alwayscheckmotornameplateforgreasetypeandlubricationintervals.
7

2Safety
All warnings in the manual are summarised on this page.
Pay special attention to the instructions below so that severe personal injury and/or damage to the pump are avoided.
Transportation: Transportation:
Transportation:
Transportation Transportation
Transportationof 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
Alwaysensurethattheunitissecurely󰘰xedduringtransportation
Always Always
Alwaysusetheoriginalpackagingorsimilarduringtransportation
Always Always
Alwaysusesuitabletransportdeviceie.forkliftorpalletlifter
Storage: Storage:
Storage:
IdeallyasaguideAlfaLavalwouldrecommend:
-Storesuppliedproductassuppliedinoriginalpackaging
-Portopeningshouldbeprotectedagainstanyingress
-Baresteel(notstainless)shouldbelightlyoiled/greased
-Storeinaclean,dryplacewithoutdirectsunlightorUVlight
-Temperaturerange-5to40°C
-Relativehumiditylessthan60%
-Noexposuretocorrosivesubstances(alsoaircontained)
8

3Installation
3.1Unpacking/delivery
Step Step
Step1 1 1
Alwaysusealiftingcranewhenhandlingthepump(see
technicaldata).
CAUTION CAUTION
CAUTION
AlfaLavalcannotbeheldresponsibleforincorrectunpacking.
WARNING: WARNING:
WARNING:
Beawarethatcertainpumpcon󰘰gurationscantilt,andtherefore
causeinjuriestofeetor󰘰ngers.Thepumpshouldbesupported
underneaththeadaptor,whennotinstalledintheprocessline.
Check Check
Checkthe the thedelivery delivery deliveryfor: for: for:
1.Completepump.
2.Deliverynote.
3.Motorinstructions.
Step Step
Step2 2 2
Removeanypackingmaterialsfromtheinletandtheoutlet.
Avoiddamagingtheinletandtheoutlet.
Avoiddamagingtheconnectionsfor󰘱ushingliquid,ifsupplied.
*)Removepackingmaterials!
Step Step
Step3 3 3
Inspectthepumpforvisibletransportdamage.
*)Removepackingmaterials!
Inspection!
9

3Installation
Step Step
Step4 4 4
Alwaysremovetheshroud,if󰘰tted,beforeliftingthepump.
Removetheshroudbeforelifting!
Step Step
Step5 5 5
ONLY ONLY
ONLYLKH LKH LKH- - -85 85 85and and andLKH LKH LKH- - -90 90 90
DoNOT NOT
NOTuseeyeboltincasingtoliftthepump.Theeyeboltis
forcasingremovalonly.
10

3Installation
Read the instructions carefully and pay special attention to the warnings! Always check the pump before operation.
- See pre - use check in section 3.3 Pre - use check - pump without impeller screw .
The large pump sizes are very heavy.
Alfa Laval therefore recommends the use of a lifting crane when handling the pump.
3.2Installation
Step Step
Step1 1 1
Always Always
Alwaysreadthetechnicaldatathoroughly.
(Seechaper6Technicaldata)
Always Always
Alwaysusealiftingcranewhenhandlingthepump.
Always Always
Alwayshavethepumpelectricallyconnectedbyauthorisedpersonnel.(Seethemotorinstructions).
CAUTION CAUTION
CAUTION
AlfaLavalcannotbeheldresponsibleforincorrectinstallation.
CAUTION CAUTION
CAUTION
Thepumpdoesnotpreventback󰘱owwhenintenrionallyorunintentionallystopped.Ifback󰘱owcancauseany
hazardoussituations,precautionsmustbetakene.g.checkthevalvetobeinstalledinthesystempreventinghazardous
situationsfromarising.
CAUTION CAUTION
CAUTION
Ifthepumphasbeenstoredforlongerperiodoftimethereisariskthatthesealfacesmaysticktogetherandconsequently
causedamagetothesealatstart-up.Pleaseensurethatthepumpshaftcanberotatedbyhandbeforestart-up.
WARNING: WARNING:
WARNING:
AlfaLavalrecommendsthesupplydisconnectingdeviceshallbeinaccordancewithEN60204-1.Alwaysdisconnectthe
supplydisconnectingdevicesafelyafterinstallationbeforecontinuingtheinstallation.
Step Step
Step2 2 2
Ensureatleast0.5m(1.6ft)clearancearoundthepump.
Ensurethe󰘱oor/frameisabletosupporttheweightofthepump.
SeeTechnicaldataandotherenvironmentrequirementsin
section6.
Ensurethepumpissupportedbyallfourfeetequally.
11

3Installation
Read the instructions carefully and pay special attention to the warnings! Always check the pump before operation.
- See pre - use check in section 3.3 Pre - use check - pump without impeller screw .
The large pump sizes are very heavy.
Alfa Laval therefore recommends the use of a lifting crane when handling the pump.
Step Step
Step3 3 3
Checkthatthe󰘱owdirectioniscorrect.
O:Outlet
I:Inlet
Step Step
Step4 4 4
1.Ensurethatthepipelinesareroutedcorrectly.
2.Ensurethattheconnectionsaretight.
3.Remembersealrings.Fewbends
Correct
Step Step
Step5 5 5
Avoid Avoid
Avoidstress stress stresson on onthe 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.
Exampleofpipingsystemself-supported.
12

3Installation
Read the instructions carefully and pay special attention to the warnings! Always check the pump before operation.
- See pre - use check in section 3.3 Pre - use check - pump without impeller screw .
The large pump sizes are very heavy.
Alfa Laval therefore recommends the use of a lifting crane when handling the pump.
Step Step
Step6 6 6
Ensurecorrectalignmentofpumpinletandoutletwithpiping
system.
Alignmentcanbedonebyadjustingthepumplegs.
Centreofinletandoutlettobealignedwithcentreofpipingsystem.
13

3Installation
Read the instructions carefully and pay special attention to the warnings! Always check the pump before operation.
- See pre - use check in section 3.3 Pre - use check - pump without impeller screw .
The large pump sizes are very heavy.
Alfa Laval therefore recommends the use of a lifting crane when handling the pump.
Nogapsbetweenconnectionsonpumpinletandinletpipe,andpumpoutletandoutletpipe.
Angelbetweenconnectionsonpumpinletandinletpipe,pumpoutletandoutletpipenotallowed.
Ensurecorrectaligmentofpumpcasingandpumpbackplate.Anglenotallowed.Alignmentcanbedonebyadjusting
thepumplegs.
14

3Installation
Read the instructions carefully and pay special attention to the warnings! Always check the pump before operation.
- See pre - use check in section 3.3 Pre - use check - pump without impeller screw .
The large pump sizes are very heavy.
Alfa Laval therefore recommends the use of a lifting crane when handling the pump.
Ensurestudboltsincasingarealignedwithholesinbackplate.
15

3Installation
Read the instructions carefully and pay special attention to the warnings! Always check the pump before operation.
- See pre - use check in section 3.3 Pre - use check - pump without impeller screw .
The large pump sizes are very heavy.
Alfa Laval therefore recommends the use of a lifting crane when handling the pump.
Note Note
Note
Incaseofshaftsealleakage,themediawilldripfromtheslotinthebottomoftheadaptor.Incaseofshaftsealleakage,Alfa
Lavalrecommendsputtingadriptrayunderneaththeslottocollecttheleakage.
16

3Installation
Read the instructions carefully and pay special attention to the warnings! Always check the pump before operation.
- See pre - use check in section 3.3 Pre - use check - pump without impeller screw .
The large pump sizes are very heavy.
Alfa Laval therefore recommends the use of a lifting crane when handling the pump.
Alwaysensuretheadaptorshieldandmotorfanguardarepresentandmountedcorrectlyandallownoaccesstorotating
partsbeforeinstallingandstartingthepump.
17

3Installation
Read the instructions carefully and pay special attention to the warnings!
LKH - 5 to - 60 comes without impeller screw as standard but can be supplied with one.
Check the direction of rotation of the impeller before operation.
- See the indication label on the pump.
3.3Pre-usecheck-pumpwithoutimpellerscrew
Step Step
Step1 1 1
Always Always
Alwaysremovetheimpellerbeforecheckingthedirectionof
rotation.
Never Never
Neverstartthepumpiftheimpelleris󰘰ttedandthepump
casingisremoved.
1.
A.LKH-5:Removescrews(56),springwashers(56a),
clamps(55+55a)andpumpcasing(29).
B.LKH-10to-60:Removecapnuts(24),washers(24a)and
pumpcasing(29).
2.Removeimpeller(27)(seealsoinstructioninsection5.4
Assemblyofpump/singleshaftseal).
Step Step
Step2 2 2
Warning: Warning:
Warning:Stayclearandensurenooneisneartheshaftduring
testofrotation.
1.Connectpowersupply.
2.Startandstopthemotormomentarily.
3.Ensurethatthedirectionofrotationofthestubshaft(7)is
anticlockwiseasviewedfromtheinletside.
4.Disconnectpowersupplysafety.
Stubshaft
Step Step
Step3 3 3
Fitandtightenimpeller(27).
Step Step
Step4 4 4
1.Fitpumpcasing(29).
2.
A.LKH-5:Fitclamps(55+55a),springwashers(56a)and
tightenscrews(56)
B.LKH-10to-60:Fitwashers(24a)andtightencapnuts
(24),accordingtotorquevaluesinchapter6Technical
data
18

3Installation
Read the instructions carefully and pay special attention to the warnings!
LKH - 5 to - 60 comes without impeller screw as standard but can be supplied with one.
Check the direction of rotation of the impeller before operation.
- See the indication label on the pump.
3.4Pre-usecheck-pumpwithimpellerscrew
Never Never
Neverstartinthewrongdirectionofrotationwith
liquidinthepump.
1.Connectpowersupply
2.Startandstopthemotormomentarily.
3.Ensurethatthedirectionofrotationofthemotor
fanisclockwiseasviewedfromtherearendof
themotor.
4.Disconnectpowersupplysafely
Viewfromrearendof
motor
19

3Installation
Read the instructions carefully and pay special attention to the warnings!
LKH - 5 to - 60 comes without impeller screw as standard but can be supplied with one.
Check the direction of rotation of the impeller before operation.
- See the indication label on the pump.
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,
anyhazardousresiduesfromtheprocessliquidmustbetakenintoconsiderationanddealtwithinapropermanner.
Whenindoubt,orintheabsenceoflocalregulations,pleasecontactyourlocalAlfaLavalsalescompany.
20