Uni-Vac 400 Series Uni-Vac 200 Series User Manualtrilliumus.com/wp-content/uploads/2017/06/univac-200-400-series...Uni-Vac 400 Series. Uni-Vac 200 Series User Manual. 973.827.1661

Trillium US, Inc. 3627 State Route 23 South

Hamburg, NJ 07419

Tel: 973.827.1661 Fax: 973.827.8883

www.trilliumus.com

Uni-Vac 400 Series

Uni-Vac 200 Series

User Manual

973.827.1661

Uni-Vac 200/400 Series Manual

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UNI-VAC 400 Series Specifications

Free Air Displacement 300 CFM

Vacuum Stages One

Ultimate Pressure 0.01 Torr

Motor Rating 10 HP 208/230/460V

Pump Speed 490 RPM

Oil Capacity 12 Gals

Weight 1750 lbs

Inlet (ASA Flange) 4”

Outlet (Female NPT) 3”

Max Cooling Water 65 F 2 GPM

Cooling Water: Inlet: 1/2”

Outlet: 1/2”

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UNI-VAC 200 Series Specifications

Free Air Displacement 150 CFM

Vacuum Stages One

Ultimate Pressure 0.01 Torr

Motor Rating 7.5 HP 208/230/460V

Pump Speed 500 RPM

Oil Capacity 4 Gals

Weight 950 lbs

Inlet (ASA Flange) 3”

Outlet (Female NPT) 2”

Max Cooling Water 65 F 2 GPM

Cooling Water: Inlet: 1/2”

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1.A General (Principal of Operation)

TheUNI-VAC200/400SeriesVacuumPumpisaself-contained,rotary,oilsealedpistontypeunit.Thepistonisdrivenbyaaneccentricmountedonthedriveshaftandthepistonslideisguidedbytwofloatinghingebarsthatarefreetooscillateinthepumphousing.Facingthedriveend,thepistonassemblyrotatesclockwise.Airentersthepumpthroughtheintakeandthenthroughthepistonslideuntilthepistoncompletesitsstroke.Atthispointallairpreviouslyentrappedisinfrontofthepistonasitbeingsanoth-erstroke.Asthepistoncontinuestorotate,theairinfrontofitiscompressedanddis-chargedthroughtheexhaustvalveandfinallyouttheexhaustoutlet.Asthepistonnearsthetopcenterpositiontheintakeportisclosed,separatingthesystemfromthepump(SeeFigure1).Theexhaustvalvesareofthecorrosion-resistant,heavyduty,poppettype.Whenthepumpisinoperation,lubricationoftheinternalpartsiscompletelyauto-matic.Oilisforcedbyatmosphericpressurefromthereservoirthroughtheoillinestotheshaftbearing.Theoilisthenfedintothepumptoprovidethenecessarypiston-tocylin-deroilseal.Finally,theoilisforcedoutthroughtheexhaustvalvewiththeairandreturnstothereservoir.Asolenoidvalveautomaticallypreventsoilfromfloodingthepumpintheeventofapowerfailure,orwhenthepumpisshutdownwithoutvacuumbeingbroken.

Fig. 1

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1.B. GAS BALLAST

Thepumpisprovidedwithmanuallyoperatedgasballastvalvestoovercometheadverseeffectonvacuumresultingfromoilcontamination.Contaminationoccurswhenwatervapororothergaseouscomponentsenterthepumpandcondensewithinthepump,mixingwiththeoilasemulsifieddroplets.Thecondensatewillmixwiththeoiland“flash”intovaporagainastheoilcirculatesintothecondensedwater.GasBallastiscontrolledbleedofairfromtheatmosphere.Thisaircarriesthewatervaporthroughthecompressioncyclewithoutitcondensingtoliquidandmixingwiththeoil.Thus,thewatervaporsareexhaustedwithoutcontaminatingthepumpoil.Othercontaminatesarealsoremovedbyballastingexceptthosethatdissolveintheoil.

Note:Neverusegasballastwhenpumpinggasesorgasmixturesthatareexplosiveorflammable.

1.C WATER SYSTEM

Asupplyofcoolingwaterat850ÆFand2.G.P.M.maximumisneededatthewaterinletforefficientperformance.SeeSection2.Eforadditionalinformation.DO NOT EXCEED 15 P.S.I.G. AT WATER DISCHARGE.

1.D ELECTRICAL SYSTEM

Themainpowersupplyis230/460V.,60Cy.,3Ph.Andshouldbewiredthroughasuitablefusedmotorstarter.Powerfortheoilsolenoidistakenfromanytwoofthemotorleads.Checkbothmotorandsolenoidnameplatestoinsurepropervoltage.

1.E LUBRICANTS

RefertoSection2.Fforrecommendedhighvacuumgreaseandpumpingfluids.

1.F GUARDS

Thestandardpumpisshippedwithatotallyenclosedbeltguardtocoverthemo-torpulley,pumppulleyandbelts.

1.G VACUUM BREAK AND GAUGE PORTS

ThepumpisprovidedwithaVz”FPTVacuumBreakPortanda%“FPTGaugePort,asshowninFig11.

IMPORTANT:WhenusingGaugePort,providinga90Æelbowandatleast12ofverticalpipetothegaugesensor.

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2.A LOCATING AND MOUNTING

2.A1 LocatingthepumpasnearaspossibletotheequipmentbeingevacuatedsothattheVacuum,WaterandExhaustconnectionscanbeconvenientlymade.Provideforadequatespaceforconvenientservicingwherepossible.

2.A2 Thepumpingshouldbemountedonarigidfoundation,suchasaconcretefloor.Thepumpshouldbemadelevelbyshimmingorgrouting,ifnecessary.Blotpumptofoundationwithoutputtingastrainortwistinthepumphousing.

2.A3 Removecapfromexhaustandintakeopeningsonlywhenreadytomakeapipeconnection.Whenpumpistobesubjectedtolowtemperatures,preventcrackingthehousing,thenblowoutwaterjacket.Followthissameprocedureforstorage.

2.B VACUUM PIPING

Allpipelinesshouldbeasshortaspossibleandshouldbenosmallerthantheinlettothepump.(Ifitisabsolutelynecessarytorunalongline,thepipesizeshouldbein-creased50%indiameter,ormore,thantheinlettothepump.)Conductanceoflonglinesmustbecheckedandthelinesizedlargeenoughorpumpingspeedofsystemwillbese-riouslydecreased.Whenconnectingpumptothesystem,provideaverticalpipeatleast2ft.longbetweenthepumpandthesystem,ifthepumpisbelowthesysteminlet.Ifthepumpisaboveorlevelwiththesysteminlet,provideaninverted“U”pipetoserveasatrapfordirtfromthesystemandtopreventmigrationofpumpoiltowardthesysteminlet.Besureallvacuumpipingistight.Ifaninlinefilterisbeinguseditshouldbeinstalledasnotedbelow.Itisadvisabletoinstallaflexibleconnectionbetweenpumpintakesandvacuumpipingtoeliminatevibration.SeeFigure2-Aand2-B.

Ahighvacuumvalve(fullopeningtypepreferred)isrecommendedtofacilitatestartupandforcheckingpumpblankoffpressure.

CAUTION: Makesurethesystemtobeevacuatedandallconnectinglinesarecleanandfreeofweldsplatter,dirt,orgrit.Foreignmatterenteringthepumpcancausefail-ureandpossibledamagetotheinternalparts.Topreventthis,itisrecommendedthata16x16meshwirescreenbeinstalledattheinletconnection.After20hoursofoperationthescreenmustberemoved.

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2.B1 Type of Piping Joints

A. Standardwroughtpipingwithweldedjointsmakesthebestvacuumpipingsystem.

B. Copperpipingwithsweatedfittingsandjointscanalsobemadevacuumtightandhastheadvantageofprovidinganeat,cleanvacuuminstallation.

C. Standardthreadedpiping,however,issatisfactoryandmorereadilyinstalled.Thepipingshouldbecarefullyhammeredtoloosenanyscalesorchips.Blowouttheresultantwithcompressedairpriortoinstallation.Allmalethreadedjointsshouldbecarefullydoped,screweduptightandNEVER“backed-off”tomakepartsalign-thisisapttocausealeak.Paintthejointswhilethesystemisundervacuumuntilthepaintisnolongerdrawnin,G.E. 1201-B,Glyptalorequivalentisrecommendedforpaintingallconnections.

2.B2 Location of Gauge Port

Avacuumgageconnectionislocatedattheupperlefthandsideofintakesideofpump(SeeFigure12).Thepipeplugfoundatthislocationshouldbereplacedwithasmallvacuumballvalvetowhichthegaugecanbeconnected.

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Fig. 2-A Fig. 2-B

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2.C EXHAUST PIPING

2.C1 Itisrecommendedthattheexhaustbepipedhorizontallyashortdistanceandtiedintoaverticalexhaustpipe.Theverticalexhaustpipemustbeatleast1ft.longandthebottomendoftheverticalexhaustpipebeterminatedwithaplugoradraincocktoallowremovalofmoistureandcontaminatedoilbeforeitcanaccumulatesufficientlytodrainbackintopumpoilreservoir.SeeFigure3.

2.C2 Theexhaustpipeshouldbenosmallerthantheexhaustoutletandasshortaspossible.Runthepipeoutsidethebuildingwherethepumpexhaustvaporswillnotbeobjectionable.Pointtheoutsideendoftheexhaustpipedownwardtopreventtheen-tranceofrainwater.

2.C3 ClosedcircuitoilmistseparatorsareavailablefromUnitedVacuum,whichcaneliminateoilmistinthemajorityofapplications.Theseparatorwillnotmovenoxiousortoxicgasesandmustberunoutsidethebuilding.Foroperatingcontinuallyundercondi-tionsofhigherpressureanelectrostaticprecipitatorisrecommend.ContactUnitedVacuumforspecifics.

CAUTION: Neverplaceavalveintheexhaustline.Ifavalvemustbeinstalledintheline,areliefvalvemustalsobeinsertedinthelinebetweenthereservoirandthevalve.Thereliefvalveshouldbeequalinsizetotheline,andsettoopenat2PSIG.

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Fig. 3

Drain

Vent Pipe

Drain Valve

Vent Pipe

Detail- Exhaust Piping

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2.DELECTRICAL CONNECTIONS (See figure 5)

CAUTION:Besurepumpisproperlylubricatedbeforestarting.

2.D1Installamotorstarterwithsafetydevicewithineasyreachoftheoperator.

2.D2ConnectthesolenoidvalveasinFigure6.

2.D3Connectmotorsothatpumpshaftrotatesclockwisewhenviewedfromdrivenend.See

3.AforPre-startcheck.

Note: Makesurethepropervoltage,starters,andoverloadsaresuppliedtothemotor.Alsomakesurethatthesolenoidcoilleadsareconnectedforpropervoltage.Bothmayfailtooperateifvoltageislessthan90%ofrated.

2.E COOLING

2.E1Thispumpiswater-cooledandmustbeconnectedtoawatersupply.

2.E2The1/2”waterinletconnectionislocatedinthepumphousingonthedrivesidenearthebottom.

2.E3Insertavalveinthewaterinletlineandregulatethewaterflowsothatthetempera-tureoftheoilinthereservoirisbetween140Æand160ÆFOiltemperaturekitsareavailablethatautomaticallycontrolthewaterflowtomaintaintheproperoiltemperature(Consultfactory).Ifpumpisoutsideandsubjectedtofreezingtemperatures,watertankandcirculatingpumpshouldbeinstalledwithanti-freezeinthewater.

CAUTION:Donotstartpumpwhenoiltemperatureisbelow55ÆF.

2.E4 The1/2”wateroutletislocatedinthepumphousingontheoppositesideofthewaterinlet.

2.E5Thewateroutletshouldbeconnectedtoanopendraintopermittheoperatortochecktheflowandtemperatureoftheoutletwaterperiodically.Thereshouldnotbeavalveorbackpressureinthisline.Insomecases,coolingwatermustbedischargedtoapressuredrain.Insuchcases,dischargewaterpressuremustnotexceed15P.S.I.G.andnoblockvalveshouldbeplacedindischargeline.

Note:IfcondensablesarepresentingasbeingpumpedandGasBallastisused,throttlethecoolingwatertoraiseoperatingtemperaturetothelevelneededforGasBallast(SeeSection3).

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2.F LUBRICATION OF PUMP

Thesuccessfuloperationofthispumpdependslargelyonthetypeofoilused.ThisstandardoilisUNIVAC-177,whichisrecommendedforgeneraloperatingcondi-tionsinarelativelycleanenvironment.Theoilisamulti-gradepetroleumoil,fortifiedforoxidationprotection,containingdetergentdispersants,withexcellentflowcharacteristicsatlowtemperature.Ithasaviscosityof430SSUat100ÆFand82SSUat210ÆFwithavapourpressureof0.0001mmHg.at145ÆF.

Ifthepumpistobeoperatedatvacuumlevelsthatcausetheoiltemperaturetoexceed160ÆFforextendedperiodoftime,aheaviergradeoilshouldbeused,UNIVAC-550isavailableforoiltemperaturesupto200ÆF

Specialoperatingconditionsmayrequiretheuseofspecialoils.ConsultUnitedVacuumforspecificrecommendationswhenotherthanregularpetroleumoilsarebeingused.

2.F1 Initial Fill

The400Seriespumpisshippeddry.A12gallonchargeofUNIVAC-177isre-quiredbeforestartingthepump.Beforeconnectingthesuctionmanifold,slowlyrotatethepumpthroughtworevolutions.Thiswilldistributetheoilthroughoutthepumpinterior.

Note: StartingtheUNI-VAC400Seriespumpwhenoiltemperatureisbelow55ÆFcanresultinexcessivewearandgallingdamagetothemovingparts.Whenchangingoil,refertoSection5.A3

Note:Removeplasticplugfromexhaustportbeforeoperatingpump

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3.A PRE-START CHECK

Note:RemoveBeltGuardCover.Turnpumpoverbyhandatleasttworevolutions.

3.A1 A.Jogthemotormomentarilywhileobservingpumprotation.Ifthepumpdoesnotrotateinaclockwisedirection,interchangeanytwoofthethree-phaseleads.

B.Makesuretheoilsolenoidvalveoperatesproperlybycheckingtheoilflowindicator.Theballintheoilflowindicatorbowlshouldriseaftersystempressureisbelow600mmHg.(6”Hg.Suction).

WARNING : If indicator ball does not rise. stop pump immediately!(1)Checkoperationofsolenoid.(2)Checkoillinesforblockage.

3.A2 Drive Belt Tension

A.Atapproximatelythecenterofthespan,betweenthedriveanddrivenpulleys,apply5to7poundsofpressureonthebelt.Iftensioniscorrect,resultingdeflectionshouldbeW.

B. Adjust,ifnecessary,byraisingorloweringthelocationnutsonthemotorsupporteyebolt.Tightenthesenutssecurelyafteradjustments.

Note:Maintenanceofproperbelttensionisimportant.Tootightandadjustmentisharmfultotheshaftbearings.Toolooseandadjustmentallowsthebelttoslip.

3.B PUMP START

3.B1 TurncoolingwaterON.Donotexceed15PSIwaterpressure.

3.B2 Depress“start”buttonandchecksolenoidvalveforproperoperation.

CAUTION:Donotstartpumpwhenoiltemperatureisbelow55ÆF

3.B3 Besuretheequipmentbeingevacuatedisproperlycleanedandallopeningsareclosed.Openintakevalve.

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3.C CHECKING OIL LEVEL

3.C1 Checkoilleveleachday.

3.C2 Theoillevelshouldbeatcenterofsightglassorinlowerhalfwhilepumpisoper-atingathighvacuum.Levelwillchangedependingonsuctionpressure.Inmostcases,oilisaddedafteroperatingthepumpforashortwhile.

3.C3 Toavoidblowingoiloutthefillhole,donotaddoiltothepumpwheninoperationunlesspumpisat1torrorlesswithoutgasballast.

Note:Whenpumpinggasesthatcontainwatervaporitmaybenecessarytoremovethewaterthatcondensesinthepumpreservoirsump.Thiscanbedonebyopeningtheoildrainvalveanddrainingoutwater,andclosingvalvewhenoilstartstoflow.Theintervalforthismustbedeterminedforeachspecificoperationanddependsontheamountofwatervaporandoiltemperature.Operatingthepumpwiththeoiltemperatureinthe16PF.temperaturerangewilltendtominimizeformationofwater,butwillnoteliminateit.

3.D OPERATION OF GAS BALLAST

3.D1 Openthegasballastvalvesfullyformaximumefficiency.Foralesserdegreeofballasting,turnvalvetowardcloseposition.Fullgasballastwillcausepumptemperaturetorisebutthisisnormal.Formaximumeffectofgasballast,pumpsshouldberunapproximatelyat160ÆFOperatingtemperaturecanberaisedbythrottlingcoolingwater.OiltemperatureControlKitsareavailableatUnitedVacuum.

3.D2 Ifpumpingwatervaporinexcessivequantitiesandtheoilhasbecomecontami-nated,itcanbepurifiedbyrunningthepumpwithgasballastvalvesfullyopenwhilethepumpisshut-offfromthesystem.Whenexcessivecontaminantsarepresent,indicatedbyhighoillevel,orthinning,formationofvarnish,etc.,theoilshouldbereplaced.

Note:Indirtyapplicationswherecondensablecontaminants(Asphalt,pitch,epoxies,etc.)otherthanwatervaporarepresent,thepumpshouldbeoperatedintherangeof160ÆF.

CAUTION: GasBallastshouldneverbeusedifvaporsbeingpumpedareexplosive,e.g.MethaneGas,Hydrogen,andcertainsolventvapors.Whengasesofanexplosivenaturearebeinghandled.thesafestprocedureistoremovethegasballastvalveentirelyandpluaorcaotheMetowhichthegasballastvalveisattached.Openingthegasballastvalvesslightlywillquietvalvenoisewhenpumpisblanked-off,butwillpreventreachingthelowestfinalpressure.

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3.D3 Thecheckvalveusedforgasballastshouldbeinspectedatleasteverysixmonthsforwearorabrokenspringwhenoperatingonan(8)hoursadaybasis;every3monthsfor(24)houradayoperation.

3.D4 Thegasballastvalveshouldbeclosedwhenthepumpisstopped.Ifthevalveisopen,gaswillbepulledintothepumpthroughthevalveandthevacuummanifoldwillbepressurizedwithatmosphericair.Thisairgoingthroughthepumpwillcarrytheoilinthepumpcylindersystem.Asolenoidvalveattachedtothegasballastpipingandcon-nectedacrossthemotorcanbeusedtoturnthegasballastpipingandconnectedacrossthemotorcanbeusedtoturnthegasballastautomaticallyonpumpshut-down.ContactUnitedVacuumforadditionalinformation.

3.D5 Whenapressurizedgasisusedtoballastthepump,thepressuremustbere-ducedto2PSImaximum.Theuseofhigherpressuresmaydamagethepump.

3.D6 Whenpumpinganexplosivegas,(i.e.hydrogen,silane,methane)orcorrosivegas,(Cl,F,CC14,etc.)thepumpmustbeballastedwithaninertgas(nitrogen,argon).Theuseofairforballastingundertheaboveconditionscanresultinanexplosionorex-cessivecorrosioninsidethepump.

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Fig. 4

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3.E PUMPSTOP

3.E1 Closeintakevalvetosystem.

3.E2 Stopthemotorandbreakvacuumunlesssystemdictatesotherwise.

Note:Thesolenoidvalveclosesautomaticallywhenthepumpisstoppedorincaseofpowerfailure,thuspreventingpumpandvacuumsystemfrombeingfloodedwithoil.

3.F OPERATING NOTES

3.F Iflargeamountsofairpassthroughthepump,itmaybecomewarm.Undersevereconditionsitmaybecomehot.Thisdoesnotindicatetrouble.Thepumpisdesignedforhighvacuumworkandshouldnotbeoperatedatpressuresabove600mmHg.formorethan15minutesoratintermediatevacuumsforperiodswhichcauseoiltemperaturetoexceed200ÆF.Foroptimumpumpoperationthetemperatureoftheoilinthereservoirshouldbebetween140Æand150ÆFwiththepumpoperatingonthesystemorprocess.Oiltemperaturecanbemeasuredbyinsertingathermometerinthefillholeorbycontactpyrometeronoillinenearthesolenoid.Ifthepumpisoperatedwithoiltemperatureinexcessof160ÆFtheuseofheavierviscosityoilisrecommended.(SeeSection2.F)

3.F2 Whenstartingthepumpingorwhenhandlinglargeamountsofair,oilvaporintheformofsmokewillissuefromtheexhaust.Againthisisnoindicationoftrouble,asthevolumeofsmokewilldecreaseasthevacuuminthesystemimproves.

Note :TheUnitedVacuum13-401/3oilmistseparatorisavailabletogreatlyreduceoilmistvapor.

3.F3 Ifthepumphasbeenshutdownforanextendedperiod,alwaysturnoveratleasttwo(2)revolutionsbyhandbeforestartingtoinsurefreemovementofparts.

3.F4 Lowoiltemperaturecancauseoverloadingwhenstartingthepumpandpos-siblepreventthepumpfromsealing.UNI-VAC400Seriesvacuumpumpsshouldnotbestartedwhentheoiltemperatureisbelow55ÆF.*Optimumoperatingoiltemperatureafterstartingisbetween140Æto160ÆFOpeningtheGasBallastvalvewillhelpwarm-uptheoil.

Note:Awatermiserisrecommendedtoautomaticallycontroltheoiltemperature.

* ThisappliesonlyifUNIVAC-177isused.ConsultUnitedVacuumifotheroilsareused.

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4.A POOR VACUUM

Nopumpwillproducegoodvacuumonapoorvacuumsystem.Ifthevacuuminthesystemisunsatisfactory,theusualcauseisleakage.Tocheckforthiscondition,amethodicalapproachwillusuallyresolvetheproblemintheleastamountoftime.

4.B LOCALIZING LEAKAGE

Aleakratewillhelplocalizeavacuumleak.Suchatestiseasilymadebysuc-cessivelyisolatingtheevacuatingeachsectionofthesystem.Theinleakagerateoftheisolatedsectionisthennoted.

4.B1 Aheliumleakdetectorwillspeeduptheprocessoflocatingleaks.

4.C REPAIRING SMALL LEAKS

Torepairsmallleaksortoclosepores,usesealingcompound,UNI-VACpartNo.UV-085-038-301.Whenreplacingplugtypevalves(ifused)uselocktitePipeSealerNo.714-1tohelpsealthem.Gate,BallorButterflytypehighvacuumvalvesarepreferredforhighvacuumservice.

Note:UseofTeflonTapeforsealingisnotrecommended.Materialisoftendrawnintosystem,causingprematurewearanddamagetomovingparts.

4.D UNI-VAC 400 SERIES VACUUM PUMP ACTIVITY RECORD

Arecordofoilchanges,workdoneonpump,andchangesoradditionstothesystemwillbeofvalueincheckingofleaksorpoorvacuum.

Note:Asamplemechanicalvacuumpumppreventivemaintenancechecklistalongwithasummaryofmajorattentionitemsisenclosedforyoutoreview.

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TheUNI-VAC400Seriesvacuumpumpisofruggedconstructionanddesignedfortroublefreeperformance.However,toinsureefficientperformanceandminimumwearthefollowingproceduresarerecommended:

5.A INITIAL SERVICING

5.A1 FirstThreeWeeksofOperation

A.Checkoilleveldailyandalsocondition.(Seeparagraph5.A3).Maintainoillevelatcenterofsightglasswithpumpinoperation.

B.Checkbelttensionweekly(SeeParagraph3.A2).

C.Checkthefoundationboltsweekly.

5.A2 AfterFirstThreeWeeksofOperation

A.Checkoilleveldaily.

B.Check“V”belts,tensionandwearevery3months.

C.Tightenallflangesidecoverboltsandfoundationboltsatregularintervals.

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5.A3 Changing Oil and Cleaning Pump Reservoir (See Figure 8)

Changeoilevery300hoursofoperationandcleanreservoirevery600to900hoursofoperation.Fordirtyapplicationsdecreaseoilchangeintervals.Alsoiftheoilbe-comescontaminated(indicatedbydarkeningincolorand/orpoorpumpperformance)itshouldbedrained.Drainthereservoirandexhaustvalvechamber.Wipethereservoircleanbeforefillingwithnewoil.Milkyappearanceofoilindicateswatercontamination.Usegasballasttochangeoil.Alsomostwatercanberemovedbydrainingwaterfrompumpbeforestartingpump.

Tochangeoilandcleanreservoirproceedasfollows:

A. Withpumprunning,closeintakevalvetosystemandopenvacuumbreakvalvetopumporopenintakevalveandadmitatmospheretothesystemsothatatmosphericpressureforcesoilfromthepumpinteriorupintothereservoir.Runpumpforapproximately30seconds,thenturnpumpOFF.

B.Drainoilbyopeningdraincock(48)

C.Afteroilhasbeendrainedremoveoilreservoircoverplate(42),beingcarefulnottodamagegasket(43).

D.Thoroughlywipeoutoilreservoir,DONOTflushthereservoirwithKerosene,Gasolineoranyothersolventthatmay,ifnotcompletelyremovedcontaminatethepumpoil.Useonlyclean,dry,lint-freetowels.

E. Replacegasket(43)andcover(42)andtightensecurely

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5.A4 Cleaning Exhaust Valve Assemblies and Chamber

Whentheoilisbadlycontaminatedtheexhaustvalvesandchambershouldbecleaned.ReferringtoFigure11proceedasfollows:

1. Repeatsteps5.A3,AtoD.

2. Removeoildistributor(34)andvalvecoverplategasket(33).

3. Draintheoilfromthevalvechamberbyremovingtheplugonthedeadendsideofthepumphousing.

4. Removevalveassembly(32),byremovingthesixcapscrews,andvalvegasket.

Note:Todisassemblevalveassembly,removecentercapscrew,liftoffvalvecap,removespringandvalvedisc.

5. Cleanandinspectvalveparts,andwipeoutvalvechamberwithclean,drylint-freetowels.

6. Reassemblevalveassembliesbyreversingthedisassemblystepsdescribedabove.Itisadvisabletouseanewvalvegasket(31)whenreinstallingvalveassemblies.

7. Replacevalvechamberplug.

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Fig. 5

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5.A5 Care of Exhaust Valves

Thevalvesarethepoppettypeandcorrosionresistantconstruction.Thesevalvesoperatemanymillionsofcyclesperyearinnormaloperationandshouldbein-spectedatleastonceeverysixmonthseventhoughthepumpisoperatingsatisfactorily,andmorefrequentlywheredutyonpumpissevere.ThevalveshouldbedisassembledandcleanedinaccordancewithSection5.A4. Atthetimeoftheinspection,itisadvisabletoreplacetheentiresetofspringsandvalvediscs.Thisprocedurewillincreasethereli-abilityofthepump,avoidingthepossibilityofadditionalspringfailure.

5.A6 Solenoid Valve

CheckSolenoidvalve,whichpreventsoilfromfloodingthepumpincaseofapowerfailure,atregularintervals.(SeeSection3.A1Par.B).Intheeventwhenthesole-noidvalvestaysclosed,afterthepumpisstarted,theoilcannotcirculate.Thisisindicat-edbypoorperformanceandiftheconditionisallowedtocontinueforanylengthoftime,thepumpmaysufferdamage.Thepumpwork-inperiodestablishesthenormalpreven-tivemaintenancechecksaccordingtothetypeofsystem(Cleanordirty)beingpumpeddownandthecontinuouspumpingtime(lightorheavy).

Inaclean,lightpumpingsituation,theexhaustvalvespringsanddiscsshouldbereplacedeverysixmonths.Atthistimethereservoirshouldbecheckedforsludgeaccu-mulationandforeignparticles.Useamagnettodetectpresenceinthereservoirindicatesthesameconditionexistsintheoilsolenoidvalve.Thisconditionwillcausethesolenoidvalvetostickintheopenorclosedposition.DisassembleandcleanthesolenoidvalveasdescribedintheASCOvalveinstructionsenclosed.Replaceanywornparts.Ifthepumpisusedinadirtyandheavypumpingsituation,thepreventivemaintenancechecksshouldbeperformedsooner.

Note:Itisstronglysuggestedthataspareoilsolenoidvalvebeonhandatalltimestokeeppumpdowntimeatanabsoluteminimum.

Whenoperatingwithpumpoilsotherthanthatsupplied,specialgasketmaterialmaybeneededinthevalve-consultfactory.Thevisualflowindicatoronlatestpumpsmakesthischecksimplebyindicatingflowwhenpressureisbelow600mmHg.(6”Hg.Suction).

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5.B UNI-VAC 400 SERIES PUMP DIASSEMBLY

5.B1 Removal of Shaft Seal - Driven End (See Figures 8)

Theshaftsealusedonthispumpisthemechanicalfacetype.Sincetheefficiencydependsonthehighlyfinishedsurfaces,itisextremelyimportanttohandleitwithcare.Itshouldrequirelittleornoattention.Butifexcessiveleakageoccurs,theycanberemovedforserviceasfollows:

1. ToRemoveDrivePulley.

A. Unlatch(4)hingelocksonbeltguard.

B.Lowertheadjustingnutonmotorsupporteyebolt(39)torelievealltensionsonthedrivebelts.

C.Removethebelts.

D.Insertscrewinholethatisthreadedthroughbushingside.

E.Tightenscrewuntilbushingisloosenedinthehub.Ifbushingdoesnotloosenimmediately,taponhub.

Note:Toassurepropersealassembly,checkexplodedview(Figure8),forproperorientation.

2. Removekey(17)fromtheshaftandremoveanyburrsaroundthekeyway.

3. Remove(4)5/16-18ScrewsandPlasticwasherswhichholdbeltguardbackplateinplace.

4. Disconnecttheoillinefromthehubofsidecover(15).

5. Takeoutscrewsthatsecureendcap(5)tothesidecoverandremovetheendcapand“O”ring(*).

6. Inspectthefaceofseal(10)retainedbytheendcap.

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7. Removesealmatingring(7g)withaslightbackandforthrockingmotion

IMPORTANT: Beforereplacingtheseal,lubricatetheshaftandsealmembersand“0”ringwithathincoatofvacuumgreaseorpumpoil.Replacethesealmatingringontheshaftusingaslightbackandforthrockingmotion.However,thesealmatingringshouldstillmaintainslightfreemovementontheshaft.

9. Thesealisreassembledbyreversingthedisassemblyprocedure.

10. Replacethedrivepulley.

A.Cleanthebushing,shaft,andboreofpulley.

B.Placebushinginhubandmatchhalfholestomakecompleteholes.Placethescrewslooselyinholesthatarethreadedonhubside.

C. Makesurebushingisfreeinhubandsliptheassemblyontotheshaftlocatingitinthepositiondesired.BESUREthecounterweightisoppositethebushingkeywaytoavoidimbalance.

D.TightenscrewsalternatelyandevenlyuntilallarepulledupVERYTIGHTLY.Useapieceofpipeorwrenchtoincreaseleverage.(Wrenchtorqueis430pounds-inches).

E.Hammeragainstlargeendofbushingbeingcarefultouseablockorsleevetoavoiddamagetothebushing.Thescrewscannowbeturnedalittlemoreusingthespecifiedwrenchtoque.REPEATTHISALTERNATEHAMMERINGAND

SCREWRETIGHTENINGUNTILTHESPECIFIEDWRENCHTORQUENOLONGERTURNSTHESCREWS.

21

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INSTALLATION NOTES

A.Removeexistingsealfromshaftandincounterboreofendcap.

B.Afterremovingsealfrompackage,makesurethespringfitsfreelyinsidecarbonsealandovertheliponthespringretainer.

C.Makesurethe“0”Ringretainer(whichfitsbetweenthe“0”Ringinthecarbonsealandthespring)fitsfreelyoverthepumpshaft.

D.Cleanthecounterboreoftheendcap.Thiscounterboreshouldbefreeofoilandallforeignmatter.

E. Beforeinsertingstaticseat,coatthebacksurfaceandapproximatelyup1/8”ofthelowerportionofthecounterborewithLoctite620,adhesiveloctite.*PrimerNtobeusedbeforeapplyingtheLoctite620.

22

Fig. 7

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F.Cleanstaticseatandpolishedsurfaceoftoolwithalintfreecloth.ApplyPrimer“N”tobacksurfaceofthestaticseat.Gentlypressseatintoendcapusingfingerpressureonly.Makesurethepolishedsurfaceisfacingtowardyou.Takecaretoprotectthissurfacesinceitformsthesealwhenincontactwiththecarbonface.Gentlyplacethepolishedundercutendofthetool**surfacemustbeflatwithintwolightbands.)Applyfirmpressure,donotexceed26Ibs.HoldfortwominutestosetLoctite.The“0”ringonthestaticseatwillkeeptheLoctitefromoozingoutandformingonthepolishedsurface.TheLoctiteformsavacuumsealbetweenthestaticseatandendcap

**ToolcanbepurchasedfromUnitedVacuum,PartNo. UV-427-740-001

G.Slidethespringretainer,spring,andcarbonsealwith“O”Ringand“0Ringretainerinplaceasshown,ontothepumpshaft,makingsurethe“0”Ringpassesoverthetaperontheshaftandthespringretainerrestsagainstthethreadedshoulderontheshaft.Becarefulnottonickorscratchtheshaftsincethiswillaffectthesealofthecarbon“0”Ring.

H.Replaceendcapwith“0”Ring.Coatthe“0”Ringinendcaponlywithvacuumgrease.

Note:ItisveryimportantthePrimer“N”isused.Thecombinationof620AdhesiveandPrimerNgivesabondwithashearstressthatpermitsthestaticsealtobepressedout.AlsothiscombinationwillallowtheLoctitetoberemovedfromthepartswhenthebondisbroken.Primer“N”todry2to5minutes.Applyadhesive620tocounterboreonly.Itisrecommendedthatthestaticseatbeinstalledwithin10minutesafteradhesive620isappliedoverprimer.

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5.B2. Removal of Piston Assembly - Driven End (See Figure 8)

Ifthepumpknocksorseizes,itwillbenecessarytoremoveandinspectitsinternalparts.Thisshouldbedoneasfollows:

1. Removethepulleyandrotaryoilsealaddescribedinparagraph5.B1.ofthissection.

2. Removesidecover(15)bytakingoutthescrewssecuringthesidecovertothepumphousings.

3. Turnshaft(18),ifpossible,untilpiston(21)isatthebottomofitsrotation.

4. Pullpiston(21)outjustenoughtobeabletoremovehingebars(22).

5. Afterhingebarsareremoved,completelypullpiston(21)beingcarefulnottodropitontheeccentric(23).Approximatelyapintofoilwillspillout.(Useashallowtraytocatchspilledoil.)

Note:Whenreassemblingpistonandslide,becertain“V”shapedslotsintheslidearefacingdownwardatintakesideofpump.

6. Slideeccentric(23)overthekeys(17)andofftheshaft.

7. Reachinsidethepumphousingandremovehingebarspacer(24).

8. Cleanallpartsthoroughlybeingcarefulnottoscratchordentanyofthesurfaces.

Note:Donotroundanyofthesquarecornerssuchastheendsofthehingebars.Allofthesepartsaremanufacturedtoclosetolerances,andscratchesordentsinsomeofthesesurfacesmayallowtheoilsealtobreakcausingablow-byofair,resultinginadecreaseinvacuum.

9. Beforereinstallingthesidecover,putasmall(1/16”sdiametermaximum)beadoffreshsealantaroundtheperimeterontheinsidesealingsurface,makingsurethebeadsurroundseachbolthole.Werecommendsealerpartnumber#UV-085-038-301.

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Note:Iftherollerbearing(27)inthepumphousing(30)everneedsreplacingthefollowingprocedureissuggested:

A.Removebearingring(26)bybackingoutsix(6)nylockscrews.

B.Removetherollerbearing(27)fromthebearingring(26).Replacewithanewone.

C.Replacebearingring(26)inpumphousing(30),beingcarefultopositionretainingpin(28)incorrespondingholeinpumphousing.Tightensix(6)nylockscrews.

5.B3.RemovalofpistonAssembly-DeadEnd(SeeFigure11)

1. Disconnectoillinefromthehubsideofsidecoverplate(15).

2. Removesidecoverplate(15)fromthepumphousing.

3. Removehingebars(22),piston(21),eccentric(23),andhingebarspacer(24)asdescribedinparagraph5.B2.

5.B4.AslongasyourUNI-VAC400Seriespumpproducesasuitablevacuumlevelandisnotexcessivelynoisyinoperation,thepartsaresatisfactoryandcanbere-installed.However,themovingpartsdowearanditisgoodpracticetocheckthecriticaldimen-sionsforexcessivewear.Ifexcessivewearisindicated,thelifeofthepartislimitedandreplacementshouldbeconsidered.

5.C. TROUBLESHOOTING GUIDE

Beforeattemptingtolocatethecauseofpoorvacuumultimatepressure,checktheaccuracyofthevacuumguagesonthesystem.

5.C1.Vacuumatpumpisunsatisfactory.

Probable Cause Possible Remedy

1. Contaminatedorinsufficientoil. A.Checkoillevel;utilizegasballast.

B. Drainandwipeourreservoirandvalvechamber.Refillwithproperoil.SeeSection5.A3and5.A4.

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26


B.Solenoidoilvalvenotopeningproperlyorinoperative

1. Checkand,Ifnecessary,cleanandorreplacesolenoidvalveorcoil.

C.Looseintakeflangeorsidecoverbolts.

1. Tightenflangeandsidecoverboltsatregularintervals.

D. Oillineconnectionsleaking. 1. Tightenandpaintconnectionswithsealer.

E.Gaugelineleaking. 1. Paintconnection

F.Exhaustvalvenotsealing 1. Disassemble,cleanandcheckallpartsthoroughly.

2. Replaceanydamagedorwornparts.SeeSection5.A5.Ifspringisfaultyitis

advisabletoreplaceallthesprings.

G.Pumpseizesorknocksexcessively;internalpartsbadlywornorbroken

1. Disassemblepistonassembly.Replaceworn,brokenorbadlyscoredparts.SeeSection5.B3.Makesureoil

solenoidvalveisoperatingproperly.

H. Leakageinvacuumsystem. 1. ChecksystemasdescribedinSection4.

5.C2.Vacuum Pump Excessively Noisy


A.Pumpknocking 1. Checkoillevelandsolenoidvalveforproperoperation.

2. Replacebrokenpartsasrequired.

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27

B.Pumpseizesduetolackoflubrication,orpres-enceofforeignmaterial.

1. Checksolenoidvalveforproperoperation.

2. Disassembleandremoveforeignmaterial.Makesureoillinesarenotclogged.

3. Smoothminorscoringwith#500emeryclothandwashthoroughlythenoilbeforeinstalling.(Acertainamountofscoringtothepistonandcylin-derandotherpartsusuallywillnotseriouslyaffectthevacuumobtainablesolongasscoringisnotinacontinuousguagearoundentirepistonsurface).

5.C3 Motor Stops Or Will Not Start


A.Thermaloverloadunitsinmotorstartercuttingout.

1. Checkcapacityofthermaloverloadunitsbycomparingampereratingonmotornameplatewithoverloadtableinsidestarterbox.Ifneces-saryuse1sizelargerthanstandard.

B.Possibleinternalseizure. 1. Disassembleandcorrect

5.C4 Pump Does Not Turn When Motor Pulls


A.V-beltstooloose. 1. TightenV-Belts.SeeSection3.A2.Par.B.

B.Cylindermaybefloodedwithexcessiveoilduetodefectivesolenoidvalve,thatis,thevalvemayhavestuckintheopenpositionatthemomentofpreviousshut-down,orforeignmaterialmaybeinvalveseat.

1. Turnpumpoverbyhandtoremoveexcessiveoil.

2. CheckSolenoidvalve.Disassemblevalve,cleanandreplaceanywornparts.

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C.Oiltemperaturemaybetool 1. Changetolightergradeofoil,orlow,orviscositytoohigh. warmoilbeforepouringintopump

(especiallywithlowambienttemperatures).Pumpshouldnotbestartedwhenoiltemperatureislessthan7OÆF.

2. Turnpumpoverbyhandbeforestarting.

5.C5 Pump turns backwards for several revolutions when motor is turned off.


A.GasBallastValveinopen 1. Closegasballastvalvebeforepositionwhenpumpwasshut shuttingoffpump.Thispreventsdown. atmosphericairfromreversing

directionofpumppistonwhenpowerisoff.Thisprocedurealsopreventsoilfrombeingpushedintotheinletpiping.

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UNI-VAC 400 SERIES VACUUM PUMPDIMENSIONS AND TOLERANCES

Hollow Eccentric UV-278-575-001 Finished

0. D. 6.000”+.0005-.0000” 63Bore 2.0010”+.0005”-.0000” 125Length 12.988”+.000”-.004” 63

Solid Eccentric UV-252-459-001

O.D. 6.000”+.000”-.001” 32Bore 2.0010”+.0005”-.0000” 125Length 12.988”+.000”-.004” 63

Piston & Slide UV-243-595-011

PistonI.D. 6.003”+.002”-.000” 63PistonO.D. 6.986”+.000”-.0003” 125SlideThickness 1.498”+.001”-.001 63Length 12.995”+.000”-.001” 63

Shaft UV-262-992-002

AtEccentric 2.000”+000.”-.001” 63AtPulley 1.750”+.000”-.003” 125AtSeal 1.750”+.000”-.002” 8AtInsideBearing 1.9680”+.0000”-.00006” 32AtCenterBearing 2.1653+.0000”-.0005” 32

Hinge Bars UV-243-597-004 UV-297-857-004

Diameter 3.499”+.000”-.001” 32Thickness- .996”+.000”-.001” 32(RoundToFlatSurface)Length 12.995”+.000”-.004” 63HingeBarBore 3.500”+.001”-.000” 63

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UserPumpModelNo.LotNo.SerialNoDatePumpInstall

Please consult parts list for correct Part No. of maintenance items

MajorAttentionItems DateIn-stalled

FirstInspection

Due

WasM.A.I.

Accomp.

Comments

1 Checkoillevel,oilflowandcon-ditionofthepumpoil.Scheduleoilchangetosuityourapplica-tion.

2 Replaceexhaustvalvespringsandexhaustvalvediscs.Cleanoutanysludgeinoilresevoirevery6months.

3 Replacethespringand“O”ringsealinthegasballastcheckvalveevery6monthintervalisrecommended.

4 CheckOutletwatertemperatureonjacketedmodelstomakesurethepumpisrunningwarm(140Æ-160ÆF).

5 Ifpumpincorporatesanexternaloilmistseperator,drainoffanyaccumulateddirtyoil.

6 Flushthepumpperiodicallyus-ingadetergenttypeoilevery6monthintervalisrecommended.Pleasecallforpricing.

7 Checkvalveforsludgeand/orforeignparticlesaccumulation.Ifsolenoidvalvesticks,disas-semble,cleanandreplacewornparts.

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RECOMMENDED REPLACEMENT PARTS KIT FOR UNI-VAC 400 SERIES

Thefollowingreplacementpartskitisrecommendedforyourmaintenancein-ventorytominimizedowntime,assureavailabilityofcriticalpartswhenmaintenanceisscheduledandassureyouofproper“newequipment”replacementpartswhenandifemergenciesoccur.

Quantity Part Numbers Description

1 UV-085-013-726 “V”Belts-MatchedSetof4

2 UV-085-019-755 “O”RingforEndCaps

1 UV-085-013-726 RotaryOilSeal

4 UV-243-019-755 ValvePlateGasket

8 UV-274-172-001 ValveSpring

8 UV-276-781-002 ValveClapper

1 UV-269-037-001 OilSeperaorGasket

1 UV-269-037-001 HousingGasket

1 UV-248-411-006 CoverGasket

1 UV-085-029-430 SolenoidCoil

1 UV-085-024-138 SpringforCheckValve

2 UV-085-024-135 “O”RingKitforCheckValve

2 UV-085-034-530 GlassDomeandgasket

1 UV-085-021-037 OilFlowIndicator

Whencompletingthekitafterpartshavebeenused,thefollowingbreakdownisofferedforyourorderinginformation:

Kitcontainingall“0”rings,gaskets,valveclapperandspringsnotedaboveincludingOilFlowIndicatorSealsCheckValveParts-

1Rotaryoilseal.............................................................1SolenoidCoil..............................................................1MatchedSet,4“V”Belts................................................2Spring&“0”RingKitsforCheckValves...........................

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No Qty. Description Part Number

1 1+ BeltGuardAssembly(OuterPiece)

UV-408-867-004

2 1+ taperlockbushing(motor) UV-085-017-105

3 1+ MotorPulley(4Grooves) UV-085-012-593

4 1+ BeltGuardAssembly(InnerPiece) UV-408-867-004

5 1+ Bracket(upper) UV-408-306-005

6 1+ Bracket(lower) UV-408-306-006

7 1+ TaperLockBushing(Pulley) UV-268-021-417

8 1+ Pulley UV-268-783-005

9 1+ EndCap(DriveEnd) UV-262-315-005

10 2*+ “O”Ring UV-085-019-755

11 1*+ MechanicalSeal UV-085-029-600

12 2+ LockNut UV-085-019-492

13 2+ LockWasher UV-085-019-491

14 2+ BallBearing UV-085-019-757

15 1+ ShaftShoulderRing UV-262-318-003

16 1+ SidePlate(DriveEnd) UV-262-508-028

17 1+ WoodruffKey UV-264-524-001

18 2+ KeyEccentric UV-408-324-005

19 1+ Shaft UV-262-992-005

20 2+ BallValve UV-085-021-811

21 2+ CheckValve UV-085-021-965

22 2+ Piston&Slide UV-243-595-011

23 4+ HingeBars UV-297-857-004

24 1+ SolidEccentric UV-252-459-001

25 1+ HingeBarSpacer UV-268-788-001

26 6+ NylockS.HCapScrew UV-085-021-745

27 1+ BearingRing UV-264-785-002

28 1+ RollerBearing UV-085-033-232

29 8+ ExpansionPlug(17/8”Dia.) UV-085-021-873

32

400 Series Parts List

* RecommendedSparePart(WearItem)+PartsNormallyStocked

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No. Qty. Description Part Number

30 1+ RetainingPin UV-270-231-001

31 1+ PumpHousing UV-262-712-025

32 4*+ ValveAssembly UV-403-636-003

33 1*+ OilDistributorGasket UV-269-037-001

34 1+ OilDistributor UV-269-256-005

35 1*+ HousingGasket UV-269-043-001

36 1 OilResevoir UV-299-066-024

37 2 Tubing UV-269-286-013

38 1 SteelPipe UV-085-036-053

39 1+ FlowIndicator UV-085-002-037

40 1*+ SolenoidValve UV-085-035-837

41 1 OilLevelIndicator UV-085-036-101

42 1 CoverPlate UV-419-109-005

43 1*+ CoverPlateGasket UV-248-411-006

44 2 MotorBracketPin UV-085-035-996

45 2 SwivelBlock UV-287-950-003

46 1 MotorPlatform UV-288-202-005

47 1 EyeBolt&Base UV-263-249-004

48 1 BrassCock UV-085-033-233

49 1+ HollowEccentric UV-278-575-001

50 2+ Piston&Slide UV-243-595-011

51 1+ SidePlate(DeadEnd) UV-262-508-021



54 2+ LockWasher UV-085-019-491

55 2+ LockNut UV-085-019-492

56 2*+ “O”Ring UV-085-019-755

57 1+ EndCap(DeadEnd) UV-262-315-005

58 2+ BallValve UV-085-021-811

59 2+ CheckValve UV-085-021-965

33



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No. Qty Description Part Number

60 4*+ “V”Belts UV-085-013-726

61 4+ ValveAssembly UV-263-840-004

62 4*+ ValvePlateGasket UV-243-926-002

63 8*+ Spring UV-274-172-001

64 8*+ ValveClapper UV-276-781-002

65 1*+ SolenoidValveCoil220/440v50/60CY

UV-085-029-430

66 1*+ SolenoidValveCoil550v60CY

UV-085-029-427

67 1*+ SolenoidValveCoil110v60CY

UV-085-029-431

68 2*+ Spring UV-085-024-138

69 2*+ Dynamic“O”Ring UV-085-024-135

70 2 Static“O”Ring UV-085-024-136

71 2*+ StokesVLubePumpOil,LabelF,5Gal.can

UV-254-539-002

72 1*+ StokesVLubePumpOil,LabelF,2GalCan

UV-285-186-002

73 1*+ GlassDomeandEno.,Gas-ket

UV-085-034-530

74 2+ ExpansionPlug,21/2”Dia.x.083”Thk

UV-085-025-325

75 1*+ SealingCompound UV-085-038-301

400 Series Parts List(Items Not Pictured)


34

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No. Qty. Description Part No.

1 1+ BeltGuardAssembly UV-411-381-002

2 1+ TaperLockBushing(motor) UV-266-169-025

3 1+ TaperLockBushing(driveshaft) UV-085-031-619

4 1+ DriveShaftPulley UV-085-266-169-25

5 1+ MotorPulley UV-085-031-619

6 1+ BeltGuardAssembly UV-411-381-002

7 1+ BeltGuardBracket UV-411-374-001

8 1+ SightGlassLevel UV-085-036-101

9 1+ OilResevoirCover UV-419-109-012

10 1+ ResevoirCoverGasket UV-264-127-001

11 4+ DowelPin UV-085-035-996

12 2+ SwivelBlock UV-286-122-006

13 1+ MotorPlatform UV-299-089-008

14 1+ Shaft UV-252-616-012

15 1+ WoodruffKey#G UV-264-524-001

16 1+ KeyEccentric UV-408-324-005

17 1+ WoodruffKey#G UV-264-524-001

18 6+ SpacerStud UV-298-799-001

19 2+ Tubing UV-400-830-003

20 1+ SteelPipe

21 1+ OilFlowIndicator UV-417-251-002

22 1+ SolenoidValve(240v) UV-085-030-713

22 1+ SolenoidValve(480v) UV-085-030-713

23 2+ EndCap UV-262-315-005

24 2+ “O”Ring UV-085-019-755

25 2+ SealAssembly UV-085-038-766

26 2+ LockNut UV-085-019-492

27 2+ LockWasher UV-085-019-491



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30 1+ SideCover(DriveEnd) UV-262-508-018

31 2+ MotorSupportEyebolt UV-263-250-007

32 1+ OilResevoir UV-404-521-013

33 1+ HousingGasket UV-246-765-002

34 2+ BrassCock UV-085-033-233

35 1+ OilBaffle UV-264-504-003

36 2+ ValveCoverPlateGasket UV-246-763-002

37 2+ ValveCap UV-403-626-003

38 2+ ValveSeat UV-403-636-002

39 1+ PumpHousing UV-263-842-011

40 1+ BallValve UV-085-021-811

41 1+ CheckValve UV-085-021-965

42 1+ Eccentric UV-278-575-001

43 1+ PistonSlide UV-243-595-011

44 2+ HingeBar UV-297-857-004

45 1+ SideCover(DeadEnd) UV-262-508-019

46 1+ SpacerStud UV-298-799-001

47 1+ FlywheelGuardAssembly UV-410-736-002

48 1+ Flywheel UV-266-169-027

47 1+ TaperLockBushing UV-085-031-619

48 1+ FlywheelGuardAssembly UV-410-736-002



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49 3*+ “V”Belts UV-085-013-669

50 1*+ SolenoidValveCoil(240/480v) UV-085-030-950

51 1*+ SolenoidValveCoil(550v) UV-085-030-958

52 4*+ ValveSpring UV-274-172-001

53 4*+ ValveClapper(plastic)

54 4*+ ValveClapper(metal)

55 2*+ ValvePlateGasket UV-243-926-002

56 1*+ OilFlowIndicatorRebuildKit UV-417-251-002

57 1*+ CheckValveRebuildKit

Items Not Pictured



Documents

Uni-Vac 400 Series Uni-Vac 200 Series User Manualtrilliumus.com/wp-content/uploads/2017/06/univac-200-400-series...Uni-Vac 400 Series. Uni-Vac 200 Series User Manual. 973.827.1661