Machinery World Tetra Centri A 614HGV-14C Installation and user guide

Service & Maintenance
TetraCentri®Self-cleaningSeparators
Product No.:
A
614HGV-14C 881208-01-01
C 614HGV-74C 881208-01-01
H
614HGV-74C "881208-01-01
W
614HGV-74C 881208-01-01
A
714HGV-14C 881208-02-01
BM
714HGV-14C 881208-02-01
C 714HGV-74C 881208-02-01
H 714 HGV-74C 881208-02-01
W
714HGV-74C 881208-02-01
BB
714HGV-34C 881208-02-01
D
714HGV-34C 881208-02-01
e 518HGV-74C 881209-01-01
H
518HGV-74C 881209-01-01
W
518HGV-74C 881209-01-01
WD
518HGV-74C 881209-01-01
BM
618HGV-14C 881209-02-02
C 618HGV-74C 881209-02-02
F
618HGV-74C 881209-02-02
H
618HGVr74C 881209-02-02
W
618HGV-74C 881209-02-02
BB
618HGV-34C 881209-02-02
D
618HGV-34C 881209-02-02
WD
618HGV-34C 881209-02-02
D
718HGV-74C 881209-03-01
C
718HGV-74C 881209-03-01
H
718HGV-74C 881209-03-01
W
718HGV-74C
-. 881209-03-01
BM
818HGV-14C 881210-01-04
BB
818HGV-34C 881210-01-04
H
818HGV-74C 881210-01-04
W
818HGV-74C 881210-01-04
C 818HGV-74C 881210-01-04
Product No.:
Multiple
Book No.:
575874-02 Rev.1

AlfaLavalTumbaAB
SeparatorManuals,dept.PPDM
SE-14780Tumba,Sweden
Telephone:[phone]
telefax:[phone]
PrintedinSweden,04-11
©AlfaLavalTumbaAB2004
Thispublicationoranypartthereofmaynotbe
reproducedortransmittedbyanyprocessor
meanswithoutpriorwrittenpermissionof
AlfaLavalTumbaAB.

Contents
1SafetyInstructions7
1.1Warningsignsintext12
1.2Environmentalissues13
1.3Requirementsofpersonnel14
2Generaladvice15
2.1Identificationandsafetysignsonthe
machine16
2.2Themaintenanceconcept19
2.3Majorbowlparts24
2.4Vibraftion27
2.5Cleaning28
2.6Lubrication29
2.7Shut-dowrjs29
2.8Beforestartingtheoverhaul30
2.9Bajlandrollerbearings31
2.10Tighteningofscrews33
3Directionsformaintenancie35
3.1Intermediateservice(every3rdmonth*)IS36
3.2Majorservice*
(oncea year**)MS38
3.3Vibrationreport(separator)39
4Dismantling/Assembly4i
4.1Mainparts43
4.2Inlet45
4.3Outlets(twinphiaseseparators)49
4.4Outlet(singlephaseseparators)62
4.5Machinetoppart73
4.6Separatorbowl75

4.7Paringdiscdeviceforoperatingwater121
4.8Operatingwatermodule(OWMC)126
4.9Frameparts131
4.10Vierticaldrivingdevice133
4.11IHorizontaldrivingdevice157
4.12Remotecontrolledbrake(pneumatic)166
4.13Speedsensorforremoteindication(option)170
4i14Vibrationsensor(option)171
4.15Lockswitch(option)172
4i16Motor173
4.17Mountingonthefoundationfeet177
Lubrication179
5.1Lubricatidhofelectricmotor180
5.2Lubricants181

1
•
'I
studyInstructionmanualsandobservethe
warningsbeforeinstallation,operation,
serviceandmaintenance.
Notfollowingtheinstructionscanresultin
seriousaccidents.
Inordertomaketheinformationclearonlyforeseeableconditions
havebeenconsidered.Nowarningsaregiven,therefore,for
situationsarisingfromtheunintendedusageofthemachineandits
tools.
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Thecentrifugeincludespartsthatrotateathigh
speed.Thismeansthat:
•Kineticenergyishigh
•Greatforcesaregenerated
•Stoppingtimeislong
Manufacturingtolerancesareextremelyfine.
Rotatingpartsarecarefullybalancedtoreduce
undesiredvibrationsthatcancausea breakdown.
MaterialjDropertieshavebeenconsidered
carefullyduringdesigntowithstandstressand
fatigue.
Theseparatorisdesignedandsuppliedfora
specificseparationduty(typeofliquid,rotational
speed,temperature,densityetc.)andmustnotbe
usedforanyotherpurpose.
Incorrectoperationandmainteriancecanresultin
unbalanceduetobuild-upofsediment,reduction
ofmaterialstrength,etc.,thatsubsequentlycould
leadtoseriousdamageand/orinjury
Thefollowihgbasicsafety instructionstherefore
apply:
•Usetheseparatoronlyforthepurpose
andparameterrangespecifiedby
AlfaLaval.
•Strictlyfollowtheinstructionsfor
installatloh,operationandmaintenance.
•Ensurethatpersonnelarecompetentand
havesufficientknowledgeofmaintenance
andoperation,especiallyconcerning
emergencystoppingprocedures.
•UseonlyAlfaLaivalgenuinespareparts
andthespecialtoolssupplied.
ist
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1Safety Instructions
Disintegrationhazards
Whenpowercablesareconnected,
alwayscheckdirectionofmotorrotation.
Ifincorrect,vitalrotatingpartscould
unscrew.
Ifexcessivevibrationoccurs,stop
separatorandkeepbowlfilledwith
liquidduringrundown.
Usetheseparatoronlyforthepurpose
andparameterrangespecifiedby
AlfaLaval.
Checkthatthegearratioiscorrectfor
powerfrequencyused.Ifincorrect,
subsequentoverspeedmayresultina
seriousbreakdown.
Sincetheseparatorisequippedwitha
frequencycontrolledmotor,itis
extremelyimportanttoensurethatthe
motorspeeddoesnotexceedthe
allowedmaximumspeed.A serious
breakdownrhaybetheconsequence.
Weldingorheatingofpartsthatrotate
canseriouslyaffectmaterialstrength.
Wearonthelargelockring threadmust
notexceedsafetylimit.<t)-markonlock
ringmustnotpassopposite(l)-markby
morethanspecifieddistance.
Inspectregularlyforcorrosionand
erosiondamage.Inspectfrequentlyif
processliquidiscorrosiveorerosive.
^8

1Safety Instructions
A Entrapmenthazards
MakesurethatrotatingpartshaveGome
toa completestandstillbeforestarting
anydismantlingwork.
Toavoidaccidentalstart,switchoffand
lockpowersupplybeforestartingany
dismantlingwork.
Assemblethemachinecompletely
beforestart.Allcoversandguardsmust
beinplace.
A Crushhazards
Usecorrectliftingtoolsandfollowlifting
instructions.
Donotworkundera hangingload.
m
Electricalhazard ••
• • • • > 1
•Followlocalregulationsforelectrical
installationandearthing(grounding). A
•Toavoidaccidentalstart,switchoffand
lockpowersupplybeforestartingany /7\
dismantlingwork.
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A Noisehazards
Useearprotectioninnoisy
environments.
Burnhazards
Lubricationoilandvariousnnachine
surfacescanbehotandcauseburns.
1Safety Instructions
A
Skinirritationhazards
•Whenusingchemicalcleaningagents,
makesureyoufollowthegeneralrules A
andsuppliersrecommendation
regardingventilation,personell /r\
protectionetc.
•Useoflubricationsinvarioussituations.
..^. .„_
10

m
1Safety Instructions
A Cuthazards
Sharpedgesonbowldiscsandthreads
cancausecuts.
Flyingobjects
Riskforaccidentalreleaseofsnaprings
andspringswhendismantlingarid'
assennby. A
A Healthhazard
Riskforunhealthydustwhenhandling
frictionblocks/pads.Usea dustmaskto
makesurenottoinhalateanydust
11

1Safety Instructions
1.1Warningsignsintext
Payattentiontothesafety instructionsinthis
manual.Belowaredefinitionsofthethreegrades
ofwarningsignsusedinthetextwherethereisa
riskforinjurytopersonnel.
f-•
A DANGER
Typeofhazard
DANGERindicatesanimminently
hiazardoussituationwhich,ifnotavoided,
willresultindeathorseriousinjury.
WARNING
Typeofhazard
WARNINGindicatesa potentially
v'^ihazardoussituationwhich,ifnotavoided,
couldresultindeathorseriousinjury.
Ar
'* Typeof
CAUTION
Typeofhazard
CAUTIONindicatesa potentially
hazardoussituationwhich,ifnotavoided,
mayresultinminorormoderateinjury.
M NOTE
NOTEindicatesa potentiallyhazardous
situationwhich,ifnotavoided,mayresult
inpropertydamage.

1Safety Instructions
1.2Environmentalissues
Unpacking
Packingmaterialconsistsofwood,plastics,
cardboardboxesandinsomecasesmetalstraps.
Woodandcardboardboxescanbereused,
recycledorusedforenergyrecovery.
Plasticsshouldberecycledorburntata licensed
wasteincinerationplant.
Metalstrapsshouldbesentformaterialrecycling.
eij?
t
Maintenance
Duringmaintenanceoilandwearpartsinthe
machinearereplaced.
Oilniustbetakencareofinagreementwithlocal
regulations.
Rubberandplasticsshouldbeburntata licensed
wasteinciheratiohplant.Ifnot available, they
shouldbedisposedtoa suitablelicensedlandfill
site.
Bearingsandothermetalpartsshouldbesentto
alicensedhandlerformaterialrecycling.
Sealringsandfrictionliningsshouldbedisposed
toa licensedlandfillsite.Checkyourlocal
regulations.
Wornoutordefectedelectronicpartsshouldbe
senttoa licensedhandlerformaterialrecycling.
I
r
•11
13

1Safety Instructions
1.3Requirementsof
personnel
Only skilledorinstructedpersonsareallowedto
operatethemachine,e.g.operatingand
maintenancestaff.
•Skilledperson:A personwithtechnical
knowledgeorsufficientexperiencetoenable
himorhertoperceiverisksandtoavoid
hazardswhichelectricity/rhechanicscan
create.
•Instructedperson:A personadequately
advisedorsupervisedbya skilledperson to
enablehimorhertoperceiverisksandto
avoidhazardswhichelectricity/mechanics
cancreate.
Insomecasesspecialskilledpersonnelmay
needtobehired,likeelectriciansandothers.In
someofthesecasesthepersonnelhastobe
certifiedaccordingtolocalregulationswith
experienceofsimilartypesofwork.
I14

Contents 2.10Tighteningofscrews 33
2.1Identificationandsafetysignsonthe
machine16
Themaintenanceconcept 19
2.2.1 Formsofrhaintenance 19
2.2.2 Maintenancestrategy 20
2.2.3 Directionformaintenance/
maintenancelog 21
2.2.4 Kitsofspares 21
2.2.5 StockofSparesatthecustomer 22
2.2.6 Safetyinspections 23
2.3Majorbowlparts
2.3.1Balancing
2.3.2Locatingmeans
2.3.3Handling
24
24
24
25
2.4Vibration 27
2.5Cleaning
2.5.1Frame/Motor
2.5.2Brakelining
2.5.3Otherparts
28
28
29
29
2.6Lubrication 29
2.7Shut-downs 29
2.8Beforestartingtheoverhaul 30
2.9Ballandrollerbearings31
2.9.1Dismounting31
2.9.2Fitting32
2.9.3Angularcontactballbearings32
15

2.1 Identification and safety signs on the machine 2General advice
2.1Identificationand
safetysighsonthe
machine
Alfa Laval ref. 553766, rev. 2
1.Machineplate
Separator
ManufacturingserialNo/ Year
ProductNo
Machinetoppart
Outlet
Bowl
Machinebottonnpart
Max.speed(bowl)
Directionofrotation(bowl)
Speedmotorshaft
El.currentfrequency
Recommendedmotorpower
Max.densityoffeed
Max.densityofsediment
Max.densityofoperatingliquid
Processtemperaturemin./max.
*A-TetifaPak*
16

2General advice 2.1 Identification and safety signs on the machine
3.Safetylabel
Textonlabel:
WARNING
Readtheinstructionmanualsbeforeinstallation,
operationandmaintenance.Considerinspection
intervals.
Failuretostrictlyfollowinstructionscanleadto
fatalinjury.
Ifexcessivevibrationoccurs,stopseparatorand
keepbowlfilledwithliquidduringrundown.
Outofbalancevibrationwillbecomeworseifbowl
isnotfull.
Separatormuststoprotatingbeforeany
dismantlingworkisstarted.
4.Nameplate
5.Arrow
Indicatingdirectionofrotation.
juocooooo^c?JCf^
AWARNING
juocooooo^c?JCf^ A
XCOOOOM^XX
juocooooo^c?JCf^ XXKKUK xxxuxnoi
xxmwjLXIUXU.UX
XCOOOOM^XX
AiTetraPak
E a
7.Powersupplyfrequency,allseparators
exceptBM/BB/C/H/W/818 50Hz
60Hz
Powersupplyfrequency,
BM/BB/C/H/W/818(spec.881210-01-03)
A WARNING
Disintegrationhazard Power supply frequency BM/BB/C/H/W/818
Thismachinemustneverbeoperatedwithhigh
bowlspeedthatisgreaterthan4607r/min.
17

2.1 Identification and safety signs on the machitie 2General advice
8.Stop,followtheliftinginstruction.
Thistransportlabelisnotpermanentlyfixed
totheseparator.
*Spacereservedforplateindicating
representative
A-TetraPak
!s...
O sTlT.
18

fi•
2General advice 2.2 The maintenance concept
2.2Themaintenance
concept
Acentrifugalseparatoriscapableofgenerating
greatforcesinalldirectionsandissubjecttothe
lawofcentrifugalforce.
Theseparator,likeanyotherInachineissubject
towear.Corrosion,erosionandjustordinarywear
duetonornnaloperation,alltaketheirtoll.
Toensuresafeandefficientoperationovera long
period,certainparts.willbyandbyhavetobe
replaced-.Propercareandmaintenaincewill
prolongthelifeoftheseparatorandensuregood
performance.
A WARNING
Disintegrationhazards
Worn,erodedorimproperlyassennbled
machinepartsmaycauseseveredamage.
Followmaintenanceinstructionsandcheck
forpossibledamage.
2.2.1Formsofmaintenance
Twofprrpsofmaintenanceexist:Preventive
maintenanceandCorrectivemaintenance.
Preventivemaintenancecanbedefinedand
planned,correctivemaintenancecannot.This
instructionbooktakesprimarilypreventive
maintenanceintoconsideration,butitalsocovers
thenormalrequirementsforcorrective
maintenance.
19

2.2 The maintenance concept 2General advice
2.2.2Maintenancestrategy
Thecustomerdecideswhatformofmaintenance
orcombinationofformsshallbeputintopractice,
dependingonlocalconditions.Thefollowing
specificationshowsthedifferentformsof
maintenanceinrelationtotheSystem
effectiveness.
System
effectiveness Preventivemaintenance
Predictable Correctivemaintenance
Uncertain
Economy Highavailability/production.-
Maintenancecostsaccordingto
budget.
Uncertainavailability/ production.
Maintenancecostsunknown.
Production
availability Serviceaccordingtoplan. Unexpectedproductionbreak.
Reliability Maintenanceatknownintervals. Maintenanceatunforeseeable
intervals.
Maintainability Easytodisassemble. Disassemblymadedifficultbydirtand
lackoflubrication
Service
preparedness Personnelandsparesavailable
(eitheratcustomerorbyservice-
aigreementwiththesupplier).
Preparednessuncertain
Performance Known.Performancechecked
periodically Deteriorationofperformanceidentified
toolate.
Safety Periodicallycheckedsafetyby
properlytrainedpersonnel. Checkingofsafetymustbecarriedout
accordingtoa separateprogramme
forinspectionstobefoundinthe
DirectionsforMaintenance.
Preventivemaintenancereducestheriskof
unexpectedstoppagestoa minimum.The
differentformsofmaintenanceareoftenusedin
combinationstogivethebestSystem
effectivenessforthecustomer.
20