Alfalaval LKH Series Operation instructions

100002859-EN92022-10
Originalmanual
InstructionManual
LKHMulti-StagePump

Tableofcontents
The information herein is correct at the time of issue but may be subject to change without prior notice
1.DeclarationsofConformity.................................................................4
2.Safety..........................................................................................6
2.1.Importantinformation.................................................................6
2.2.Warningsigns...........................................................................7
2.3.Safetyprecautions......................................................................8
3.Installation....................................................................................10
3.1.Unpacking/delivery....................................................................10
3.2.Installation/Pre-useCheck............................................................12
3.3.Recyclinginformation..................................................................17
4.Operation.....................................................................................18
4.1.Operation/Control......................................................................18
4.2.Troubleshooting.......................................................................21
4.3.Recommendedcleaning...............................................................22
5.Maintenance..................................................................................24
5.1.Generalmaintenance..................................................................24
5.2.CleaningProcedure....................................................................28
5.3.Dismantlingofpump/shaftseals....................................................29
5.4.AssemblyofPump/AssemblyofShaftSeal-LKH-110...........................33
5.5.AssemblyofPump/AssemblyofShaftSeal-LKH-120/P.........................38
6.Technicaldata................................................................................43
6.1.Technicaldata..........................................................................43
6.2.Relubricationintervals.................................................................45
6.3.TorqueSpecications..................................................................45
6.4.Weight(kg)..............................................................................46
6.5.Noiseemission..........................................................................47
7.Partslistandservicekits...................................................................48
7.2.LKHMulti-Stage-Wetend............................................................49
7.3.LKHMulti-Stage-Motordependentparts..........................................51
7.4.LKHMulti-Stage-ShaftsealandServicekits......................................53
3

1DeclarationsofConformity
EU EU
EUDeclaration Declaration Declarationof of ofConformity Conformity Conformity
TheDesignatedCompany
AlfaLavalKoldingA/S,Albuen31,DK-6000Kolding,Denmark,[phone]
Companyname,addressandphonenumber
Herebydeclarethat
Pump
Designation
LKH-112,LKH-112/P,LKH-113,LKH-113/P,LKH-114,LKH-114/P,LKH-122/P,LKH-123/P,LKH-124/P
Type
Serialnumberfrom10.000to1.000.000
isinconformitywiththefollowingdirectiveswithamendments:
-MachineryDirective2006/42/EC
-RoHSEUDirective2011/65/EUandamendments
Thepersonauthorisedtocompilethetechnicalleisthesignerofthisdocument.
GlobalProductQualityManagerLarsKruseAndersen
TitleName
Kolding,Denmark2022–10–01
PlaceDate(YYYY-MM-DD)Signature
ThisDeclarationofConformityreplacesDeclarationofConformitydated2013-12-03
4

1DeclarationsofConformity
UK UK
UKDeclaration Declaration Declarationof of ofConformity Conformity Conformity
TheDesignatedCompany
AlfaLavalKoldingA/S,Albuen31,DK-6000Kolding,Denmark,[phone]
Companyname,addressandphonenumber
Herebydeclarethat
Pump
Designation
LKH-112,LKH-112/P,LKH-113,LKH-113/P,LKH-114,LKH-114/P,LKH-122/P,LKH-123/P,LKH-124/P
Type
Serialnumberfrom10.000to1.000.000
isinconformitywiththefollowingdirectiveswithamendments:
-TheSupplyofMachinery(Safety)Regulations2008
-TheRestrictionoftheUseofCertainHazardousSubstancesinElectricalandElectronicEquipment
Regulations2012
Signedonbehalfof:AlfaLavalKoldingA/S
GlobalProductQualityManagerLarsKruseAndersen
TitleName
Kolding,Denmark2022–10–01
PlaceDate(YYYY-MM-DD)Signature
DoCRevison_01_102022
5

2Safety
Unsafe practices and other important information are emphasized in this manual.
Warnings are emphasized 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 all
phases phases
phasesin in inthe the thelife 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 the
task task
taskto to tobe 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 maintenance
work 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.
6

2Safety
Unsafe practices and other important information are emphasized in this manual.
Warnings are emphasized 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:
7

2Safety
All warnings in the manual are summarized 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.Useliftinglogswhen
applied.
Topreventunexpectedstartandcontactwithelectricalliveandmovingparts.
Always Always
Alwaysdisconnectthepowersupplysafely:
-Thepowersupplydisconnectingdevicemustbedisconnected(inoffposition)andlocked.
-Incasethepumpiscapableofbeingpluggedintoanelectricalsupply,removaloftheplugis
sufcient,providedthattheoperatorcancheckfromanyofthepointstowhichhehasaccessthat
theplugremainsremoved.
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.
8

2Safety
All warnings in the manual are summarized 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)
9

3Installation
The LKH - 110 and - 120P pump is highly efcient and econominal centrifugal pump, which meets the
requirements of sanitary and gently product treatment and chemical resistance. LKH - 110 and the LKH - 120P
is avaliable in the following sizes, LKH - 112, - 113, - 114 and LKH122/P, - 123/P, - 124/P. The instruction
manual is part of the delivery. Study the instructions carefully. The large pump sizes are very heavy. ALfa Laval
recommends the use of a lifting crane when handling the pump.
3.1Unpacking/delivery
Step Step
Step1 1 1
Always Always
Alwaysusealiftingcranewhenhandlingthepump
CAUTION CAUTION
CAUTION
AlfaLavalcannotbeheldresponsibleforincorrect
unpacking.
WARNING: WARNING:
WARNING:
Beawarethatcertainpumpcongurationscantilt,and
therebycauseinjuriestofeetorngers.Thepump
shouldbesupportedunderneaththeadaptor,whennot
installedintheprocessline.
Check Check
Checkthe the thedelivery delivery deliveryfor: for: for:
1.Completepump.
2.Deliverynote.
3.Instructionmanual.
4.Motorinstructions.
5.Testcerticate,IFORDERED!
Step Step
Step2 2 2
Removepossiblepackingmaterialsfromtheinletandthe
outlet.
Avoiddamagingtheinletandtheoutlet.
Avoiddamagingtheconnectionsforushingliquid,if
supplied.
*Removepackingmaterials!
Step Step
Step3 3 3
Inspectthepumpforvisibletransportdamages.
10

3Installation
The LKH - 110 and - 120P pump is highly efcient and econominal centrifugal pump, which meets the
requirements of sanitary and gently product treatment and chemical resistance. LKH - 110 and the LKH - 120P
is avaliable in the following sizes, LKH - 112, - 113, - 114 and LKH122/P, - 123/P, - 124/P. The instruction
manual is part of the delivery. Study the instructions carefully. The large pump sizes are very heavy. ALfa Laval
recommends the use of a lifting crane when handling the pump.
Step Step
Step4 4 4
Alwaysremovetheshroud,iftted,beforeliftingthe
pump.
11

3Installation
Study the instructions carefully and pay special attention to the warnings!
The direction of rotation of the impeller can be checked by observing the direction of rotation of the motor fan.
- See the indication label on the pump.
3.2Installation/Pre-useCheck
Step Step
Step1 1 1
Always Always
Alwaysreadthetechnicaldatathoroughly.
(Seechaper6Technicaldata)
Neverstartinthewrongdirectionofrotationwithliquidinthepump.Seestep6Pre-usecheck
Always Always
Alwaysusealiftingcranewhenhandlingthepump.
Always Always
Alwayshavethepumpelectricallyconnectedbyauthorisedpersonnel.(Seethemotorinstructions).
CAUTION CAUTION
CAUTION
AlfaLavalcannotbeheldresponsibleforincorrectinstallation.
CAUTION CAUTION
CAUTION
Thepumpdoesnotpreventbackowwhenintenrionallyorunintentionallystopped.Ifbackowcancause
anyhazardoussituations,precautionsmustbetakene.g.checkthevalvetobeinstalledinthesystem
preventinghazardoussituationsfromarising.
CAUTION CAUTION
CAUTION
Ifthepumphasbeenstoredforlongerperiodoftimethereisariskthatthesealfacesmaysticktogether
andconsequentlycausedamagetothesealatstart-up.Pleaseensurethatthepumpshaftcanberotatedby
handbeforestart-up.
WARNING: WARNING:
WARNING:
AlfaLavalrecommendsthesupplydisconnectingdeviceshallbeinaccordancewithEN60204-1.Always
disconnectthesupplydisconnectingdevicesafelyafterinstallationbeforecontinuingtheinstallation.
Step Step
Step2 2 2
Ensureatleast0.5m(1.6ft)clearancearoundthepump.
Ensuretheoor/frameisabletosupporttheweightof
thepump.SeeTechnicaldataandotherenvironment
requirementsinsection6.
Ensurethepumpissupportedbyallfourfeetequally.
12

3Installation
Study the instructions carefully and pay special attention to the warnings!
The direction of rotation of the impeller can be checked by observing the direction of rotation of the motor fan.
- See the indication label on 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
13

3Installation
Study the instructions carefully and pay special attention to the warnings!
The direction of rotation of the impeller can be checked by observing the direction of rotation of the motor fan.
- See the indication label on the pump.
Step Step
Step5 5 5
Avoid Avoid
Avoidstressing stressing stressingthe 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.
Step Step
Step6 6 6
Ensurecorrectalignmentofpumpinletandoutletwith
pipingsystem.
Alignmentcanbedonebyadjustingthepumplegs.
14

3Installation
Study the instructions carefully and pay special attention to the warnings!
The direction of rotation of the impeller can be checked by observing the direction of rotation of the motor fan.
- See the indication label on the pump.
Centreofinletandoutlettobealignedwithcentreofpipingsystem.
Nogapsbetweenconnectionsonpumpinletandinletpipe,andpumpoutletandoutletpipe.
Angelbetweenconnectionsonpumpinletandinletpipe,pumpoutletandoutletpipenotallowed.
15

3Installation
Study the instructions carefully and pay special attention to the warnings!
The direction of rotation of the impeller can be checked by observing the direction of rotation of the motor fan.
- See the indication label on the pump.
Note Note
Note
Incaseofshaftsealleakage,themediawilldripfromtheslotinthebottomoftheadaptor.Incaseofshaftseal
leakage,AlfaLavalrecommendsputtingadriptrayunderneaththeslottocollecttheleakage.
Step Step
Step7 7 7
Never Never
Neverstartinthewrongdirectionofrotationwithliquidinthepump
Always Always
Alwaysensuretheadaptorshieldandmotorfanguard
arepresentandmountedcorrectlyandallownoaccessto
rotatingpartsbeforeinstallingandstartingthepump.
Pre-usecheck:
1.Connectpowersupply
2.Startandstopthemotormomentarily.
3.Ensurethatthedirectionofratoationofthemotorfan
isclockwiseasviewedfromtherearendofthemotor.
4.Disconnectpowersupplysafely.
*Correctrotationdirection!Seetheindicationlabel!
16

3Installation
3.3Recyclinginformation
• •
•Unpacking Unpacking Unpacking
-Packingmaterialconsistsofwood,plastics,cardboardboxesandinsomecasesmetalstraps.
-Woodandcardboardboxescanbereused,recycledorusedforenergyrecovery.
-Plasticsshouldberecycledorburntatalicensedwasteincinerationplant.
-Metalstrapsshouldbesentformaterialrecycling.
• •
•Maintenance Maintenance Maintenance
-Duringmaintenanceoilandwearpartsinthemachinearereplaced.
-Allmetalpartsshouldbesentformaterialrecycling.
-Wornoutordefectiveelectronicpartsshouldbesenttoalicensedhandlerformaterialrecycling.
-Oilandallnonmetalwearpartsmustbetakencareofinagreementwithlocalregulations.
• •
•Scrapping Scrapping Scrapping
-Atendofuse,theequipmentshallberecycledaccordingtorelevant,localregulations.Besidetheequipment
itself,anyhazardousresiduesfromtheprocessliquidmustbeconsideredanddealtwithinapropermanner.
Whenindoubt,orintheabsenceoflocalregulations,pleasecontactthelocalAlfaLavalsalescompany.
17

4Operation
Study the instructions carefully and pay special attention to the warnings!
4.1Operation/Control
Step Step
Step1 1 1
Always Always
Alwaysreadthetechnicaldatathoroughly.Seechaper6Technicaldata
CAUTION CAUTION
CAUTION
AlfaLavalcannotbeheldresponsibleforincorrectoperation/control.
Never Never
Nevertouchthepumporthepipelineswhenpumpinghotliquidsorwhensterilising.
Step Step
Step2 2 2
Never Never
Nevertouchthepumporthepipelineswhenpumpinghot
liquidsorwhensterilising.
Step Step
Step3 3 3
Never Never
Neverrunthepumpwithboththesuctionsideandthe
pressuresideblocked.
*Danger Danger
Dangerof of ofexplosion! explosion! explosion!Seewarninglabelonpump.
18

4Operation
Study the instructions carefully and pay special attention to the warnings!
Step Step
Step4 4 4
CAUTION CAUTION
CAUTION
Theshaftsealmustnotrundry.
CAUTION CAUTION
CAUTION
Never Never
Neverthrottletheinletside.
*Do Do
Donot not notallow allow allowto to torun run rundry dry dry
Step Step
Step5 5 5
Flushed Flushed
Flushedshaft shaft shaftseal: seal: seal:
1.Connecttheinletoftheushingliquidcorrectly.
2.Regulatethewatersupplycorrectly.
3.Observethesteamdata.
O:Outlet
I:Inlet
Tmax=100°C
Pmax=1bar
(ushseal)
19

4Operation
Study the instructions carefully and pay special attention to the warnings!
Step Step
Step6 6 6
Control: Control:
Control:
Reducethecapacityandthepowerconsumptionbymeans
of:
-Throttlingthepressuresideofthepump.
-Reducingtheimpellerdiameter.
-Reducingthespeedofthemotor.
*Throttling!
20