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