Graco SoloTech Use and care manual

RepairandParts
SoloTech™ SoloTech™
SoloTech™Peristaltic Peristaltic PeristalticPumps Pumps Pumps3A3367H
EN
Electric Electric
Electric- - -powered powered poweredhose hose hosepump pump pumpfor for foruse use usein in in󰘱uid 󰘱uid 󰘱uidtransfer transfer transferand and andmetering metering meteringapplications. applications. applications.For For Forprofessional professional professionaluse use use
only. only.
only.
Not Not
Notapproved approved approvedfor for foruse use usein in inexplosive explosive explosiveatmospheres atmospheres atmospheresor or orhazardous hazardous hazardouslocations locations locationsunless unless unlessotherwise otherwise otherwisestated stated statedin in inthe the the
model model
modelapprovals approvals approvalssection. section. section.
Important Important
ImportantSafety Safety SafetyInstructions Instructions Instructions
Readallwarningsandinstructionsinthismanualandinyour
InstallationandOperationManual.Saveallinstructions.
125psi(0.9MPa,9bar)MaximumFluid
WorkingPressure
Seepage2formodelpartnumbersand
information.
PROVENQUALITY.LEADINGTECHNOLOGY.

Contents Contents
Contents
RelatedManuals................................................2
Con󰘰gurationNumberMatrix...............................3
Warnings...........................................................4
Troubleshooting..................................................7
Repair................................................................9
PressureReliefProcedure............................9
BeforeYouStart..........................................9
DraintheLubricant.......................................9
RemovetheFrontCover..............................9
ReplacetheHose........................................10
ReplacetheRoller.......................................12
CompletePumpRepair................................13
Parts..................................................................18
KitsandAccessories...........................................23
TechnicalData...................................................24
Related Related
RelatedManuals Manuals Manuals
ManualNumberTitle
334859SoloTechPeristalticPumps,InstallationandOperation
23A3367H

CongurationNumberMatrix
Con󰘰guration Con󰘰guration
Con󰘰gurationNumber Number NumberMatrix Matrix Matrix
Checktheidenti󰘰cationplate(ID)fortheCon󰘰gurationNumberofyourpump.Usethefollowingmatrixto
de󰘰nethecomponentsofyourpump.
Sample Sample
SampleCon󰘰guration Con󰘰guration Con󰘰gurationNumber: Number: Number:ST23 ST23
ST23MAC MAC MACNR NR NRSS SS SSA1 A1 A1A1 A1 A10 0 0
ST ST
ST23 23 23MAC MAC MACNR NR
NRSS SS
SSA1 A1 A1A1 A1 A10 0 0
Pump
Model
HoseSizeMotorHose
Material
Barb
Material
RollerHousingOptions
Model Model
ModelHose Hose
HoseSize Size SizeMotor/Gear Motor/Gear Motor/GearReducer Reducer Reducer
ST ST
ST10 10 1010mmHAC HAC HAC†ACmotorwithhigh-speedgearreducer
23 23
2323mmMAC MAC MAC†ACmotorwithmedium-speedgearreducer
26 26
2626mmLAC LAC LAC†ACmotorwithlow-speedgearreducer
30 30
3030mmMPM MPM
MPM†BrushlessDC(BLDC)motorwithgearreducer
HC HC
HC†✦High-speedgearreducer,nomotor,IEC
HN HN
HN†✦High-speedgearreducer,nomotor,NEMA
MC MC
MC†✦Medium-speedgearreducer,nomotor,IEC
MN MN
MN†✦Medium-speedgearreducer,nomotor,NEMA
LC LC
LC†✦Low-speedgearreducer,nomotor,IEC
LN LN
LN†✦Low-speedgearreducer,nomotor,NEMA
Hose Hose
HoseMaterial/Color Material/Color Material/ColorBarb Barb
BarbMaterial Material MaterialRoller Roller RollerHousing Housing HousingOptions Options
Options
BN BN
BNNitrile(NBR),YellowHS HS
HSHastelloyA1 A1 A1AluminumA1 A1 A1Aluminum0 0 0None
CS CS
CSChlorosulfonatedPolyethylene
(CSM),OrangePV PV
PVPVDF
EP EP
EPEthylenepropylenediene
monomar(EPDM),BlueSS SS
SSStainless
Steel
NR NR
NRNaturalRubber,Black
Approvals Approvals
Approvals
✦Thesemodelsarecerti󰘰ed:
II2GExhIIBT4Gb
†Thesemodelsarecerti󰘰ed:
3A3367H3

Warnings
Warnings Warnings
Warnings
Thefollowingwarningsareforthesetup,use,grounding,maintenanceandrepairofthisequipment.The
exclamationpointsymbolalertsyoutoageneralwarningandthehazardsymbolreferstoprocedure-speci󰘰c
risks.Whenthesesymbolsappearinthebodyofthismanualoronwarninglabels,referbacktothese
Warnings.Product-speci󰘰chazardsymbolsandwarningsnotcoveredinthissectionmayappearthroughout
thebodyofthismanualwhereapplicable.
WARNING WARNING
WARNING
FIRE FIRE
FIREAND AND ANDEXPLOSION EXPLOSION EXPLOSIONHAZARD HAZARD HAZARD
Flammablefumes,suchassolventandpaintfumes,inwork work
workarea area areacanigniteorexplode.Paint
orsolvent󰘱owingthroughtheequipmentcancausestaticsparking.Tohelpprevent󰘰reand
explosion:
•Useequipmentonlyinwellventilatedarea.
•Eliminateallignitionsources;suchaspilotlights,cigarettes,portableelectriclamps,and
plasticdropcloths(potentialstaticsparking).
•Groundallequipmentintheworkarea.SeeGrounding Grounding
Groundinginstructions.
•Keepworkareafreeofdebris,includingsolvent,ragsandgasoline.
•Donotplugorunplugpowercords,orturnpowerorlightswitchesonoroffwhen󰘱ammable
fumesarepresent.
•Useonlygroundedhoses.
•Stop Stop
Stopoperation operation operationimmediately immediately immediatelyifstaticsparkingoccursoryoufeelashock. . .Donotuse
equipmentuntilyouidentifyandcorrecttheproblem.
•Keepaworking󰘰reextinguisherintheworkarea.
ELECTRIC ELECTRIC
ELECTRICSHOCK SHOCK SHOCKHAZARD HAZARD HAZARD
Thisequipmentmustbegrounded.Impropergrounding,setup,orusageofthesystemcan
causeelectricshock.
•Turnoffandremovepoweratmainswitchbeforedisconnectinganycablesandbefore
servicingorinstallingequipment.
•Connectonlytogroundedpowersource.
•Allelectricalwiringmustbedonebyaquali󰘰edelectricianandcomplywithalllocalcodes
andregulations.
•Wait󰘰veminutesforcapacitordischargebeforeopeningequipment.
•AlwaysusetherecommendedamountofgenuineGracohoselubricanttominimizebuild-up
ofstaticelectricity.
43A3367H

Warnings
WARNING WARNING
WARNING
PRESSURIZED PRESSURIZED
PRESSURIZEDEQUIPMENT EQUIPMENT EQUIPMENTHAZARD HAZARD HAZARD
Fluidfromtheequipment,leaks,orrupturedcomponentscansplashintheeyesoronskin
andcauseseriousinjury.
•FollowthePressure Pressure
PressureRelief Relief ReliefProcedure Procedure Procedurewhenyoustopspraying/dispensingandbefore
cleaning,checking,orservicingequipment.
•Tightenall󰘱uidconnectionsbeforeoperatingtheequipment.
•Checkhoses,tubes,andcouplingsdaily.Replacewornordamagedpartsimmediately.
EQUIPMENT EQUIPMENT
EQUIPMENTMISUSE MISUSE MISUSEHAZARD HAZARD HAZARD
Misusecancausedeathorseriousinjury.
•Donotoperatetheunitwhenfatiguedorunderthein󰘱uenceofdrugsoralcohol.
•Donotexceedthemaximumworkingpressureortemperatureratingofthelowestrated
systemcomponent.SeeTechnical Technical
TechnicalData Data Datainallequipmentmanuals.
•Use󰘱uidsandsolventsthatarecompatiblewithequipmentwettedparts.SeeTechnical Technical
TechnicalData Data Data
inallequipmentmanuals.Read󰘱uidandsolventmanufacturer’swarnings.Forcomplete
informationaboutyourmaterial,requestSafetyDataSheet(SDS)fromdistributororretailer.
•TurnoffallequipmentandfollowthePressure Pressure
PressureRelief Relief ReliefProcedure Procedure Procedurewhenequipmentisnotinuse.
•Checkequipmentdaily.Repairorreplacewornordamagedpartsimmediatelywithgenuine
manufacturer’sreplacementpartsonly.
•Donotalterormodifyequipment.Alterationsormodi󰘰cationsmayvoidagencyapprovals
andcreatesafetyhazards.
•Makesureallequipmentisratedandapprovedfortheenvironmentinwhichyouareusingit.
•Useequipmentonlyforitsintendedpurpose.Callyourdistributorforinformation.
•Routehosesandcablesawayfromtraf󰘰careas,sharpedges,movingparts,andhotsurfaces.
•Donotkinkoroverbendhosesorusehosestopullequipment.
•Keepchildrenandanimalsawayfromworkarea.
•Complywithallapplicablesafetyregulations.
THERMAL THERMAL
THERMALEXPANSION EXPANSION EXPANSIONHAZARD HAZARD HAZARD
Fluidssubjectedtoheatincon󰘰nedspaces,includinghoses,cancreatearapidriseinpressure
duetothethermalexpansion.Over-pressurizationcanresultinequipmentruptureandserious
injury.
•Openavalvetorelievethe󰘱uidexpansionduringheating.
•Replacehosesproactivelyatregularintervalsbasedonyouroperatingconditions.
3A3367H5

Warnings
WARNING WARNING
WARNING
MOVING MOVING
MOVINGPARTS PARTS PARTSHAZARD HAZARD HAZARD
Movingpartscanpinch,cutoramputate󰘰ngersandotherbodyparts.
•Keepclearofmovingparts.
•Donotoperateequipmentwithprotectiveguardsorcoversremoved.
•Pressurizedequipmentcanstartwithoutwarning.Beforechecking,moving,orservicing
equipment,followthePressure Pressure
PressureRelief Relief ReliefProcedure Procedure Procedureanddisconnectallpowersources.
ENTANGLEMENT ENTANGLEMENT
ENTANGLEMENTHAZARD HAZARD HAZARD
Rotatingpartscancauseseriousinjury.
•Keepclearofmovingparts.
•Donotoperateequipmentwithprotectiveguardsorcoversremoved.
•Donotwearlooseclothing,jewelryorlonghairwhileoperatingequipment.
•Equipmentcanstartwithoutwarning.Beforechecking,movingorservicingequipment,follow
thePressure Pressure
PressureRelief Relief ReliefProcedure Procedure Procedureanddisconnectallpowersources.
TOXIC TOXIC
TOXICFLUID FLUID FLUIDOR OR ORFUMES FUMES FUMES
Toxic󰘱uidsorfumescancauseseriousinjuryordeathifsplashedintheeyesoronskin,
inhaled,orswallowed.
•ReadtheSafetyDataSheet(SDS)toknowthespeci󰘰chazardsofthe󰘱uidsyouareusing.
•Storehazardous󰘱uidinapprovedcontainers,anddisposeofitaccordingtoapplicable
guidelines.
BURN BURN
BURNHAZARD HAZARD HAZARD
Equipmentsurfacesand󰘱uidthatisheatedcanbecomeveryhotduringoperation.Toavoid
severeburns:
•Donottouchhot󰘱uidorequipment.
•Storehazardous󰘱uidinapprovedcontainers,anddisposeofitaccordingtoapplicable
guidelines.
PERSONAL PERSONAL
PERSONALPROTECTIVE PROTECTIVE PROTECTIVEEQUIPMENT EQUIPMENT EQUIPMENT
Wearappropriateprotectiveequipmentwhenintheworkareatohelppreventseriousinjury,
includingeyeinjury,hearingloss,inhalationoftoxicfumes,andburns.Protectiveequipment
includesbutisnotlimitedto:
•Protectiveeyewear,andhearingprotection.
•Respirators,protectiveclothing,andglovesasrecommendedbythe󰘱uidandsolvent
manufacturer.
63A3367H

Troubleshooting
Troubleshooting Troubleshooting
Troubleshooting
NOTE: NOTE:
NOTE:
•FollowthePressureReliefProcedure,page9.
•Checkallpossibleremediesbeforedisassemblingthepump.
SeetheOperationManual(334859)fortroubleshootingorerrorinformationontheGracoMotorControl.
Problem Problem
ProblemCause Cause
CauseSolution Solution Solution
Inletoroutletpipediameteristoo
small.
Increasethepipesizeoradd
pulsationdampeners.
Pumpspeedistoohigh.Reducethespeedofthepump.
Inletoroutletconnectionsarenot
properlyanchored.
Securethepiping.
Hammeringinpiping.
Inletoroutletpressuresaretoo
high.
Addpulsationdampeners.
Lubricantlevelislow.Addhoselubricanttotheproper
level.
Improperlubricantisbeingused.UseonlygenuineGracoglycerin
hoselubricantforlowtemperature
operation.
Pumped󰘱uidtemperatureistoo
high.
ConsultyourGracodistributorfor
maximumtemperaturelimitsof
yourpumpandhosematerial.
Highpumptemperature.
Pumpspeedistoohighorthe
pumpisundersized.
Reducethepumpspeedorswitch
toalargerpump.
Outletlineisblocked.Clearanyobstructionsintheoutlet
line.
Pipediameterisnarroweddueto
settledsolids.
Flush/removeasrequired.
Highoutletpressure.
Viscosityorspeci󰘰cgravityof
pumped󰘱uidistoohigh.
ConsultyourGracodistributorfor
suitableoperatingconditionsfor
yourpump.
3A3367H7

Troubleshooting
Problem Problem
ProblemCause Cause
CauseSolution Solution Solution
Thehosehasfailed.Replacewithanewhoseand
lubricant.
Inletlineisblocked.Clearanyobstructionsintheinlet
line.
Inletlineistoolongortoosmall.Trytolocatethepumpasnear
tothe󰘱uidsourceaspossible.
Oversizetheinletpipingwhen
possible.
Lowinletpressure.
Viscosityorspeci󰘰cgravityof
pumped󰘱uidistoohigh.
ConsultyourGracodistributorfor
suitableoperatingconditionsfor
yourpump.
Thehosehasfailed.Replacewithanewhoseand
lubricant.
Low󰘱ow.
Thebackpressureistoohighfor
thecombinationof󰘱uidviscosity
andcyclerate.
Reducebackpressureand/or
increaseyourcyclerate.
Hoseisincompatiblewiththe󰘱uid
beingpumped.
ConsultyourGracodistributorto
seeifyouhavethecorrecthose
foryourapplication.
Hosehasfailedduetonormal
wear.
Replace.
Excessivepulsationshave
weakenedthehose.
Ifyoupumpisequippedwitha
pulsationdampener,adjustits
pressure.Ifyoudonothavea
dampener,consultyourGraco
distributor.
Outletpressureistoohigh.Checkitemslistedin“Highoutlet
pressure.”Runningthepump
againstaclosedvalve,evenfora
shortamountoftime,maydamage
thehose.
Poorhoselife.
Solidshavesettledinthehose.Flushthepumpandhosepriorto
turningthepumpoff.
Thecoverboltsarenottight
enough.
Refertotorquespeci󰘰cationsin
InstalltheFrontCover,page17.
Hoselubricantisleakingfromthe
frontcover.
Thecovergasketiswornor
damaged.
Replace.
Hoselubricantisleakingfromthe
hosebarbarea.
Gasketsaremissingorworn.Replace.
Hosefailedbecauseitwrapped
aroundtheroller.
Pumpwasoperatedagainsta
closedoutletvalveorblockedline.
Replacehose.Checkpressure
reliefsystem.Checkthatvalves
areopen.Clearanyblockages.
83A3367H

Repair
Repair Repair
Repair
Pressure Pressure
PressureRelief Relief ReliefProcedure Procedure Procedure
FollowthePressureRelief
Procedurewheneveryouseethis
symbol.
Thisequipmentstayspressurizeduntilpressure
isrelievedmanually.Tohelppreventserious
injuryfrompressurized󰘱uid,suchassplashing
intheeyesoronskin,followthePressureRelief
Procedurewhenyoustoppumpingandbeforeyou
clean,check,orservicetheequipment.
1.Removepowerfromthesystem.
2.Openthedispensingvalve,ifused.
3.Openthe󰘱uiddrainvalvetorelieve󰘱uid
pressure.Haveacontainerreadytocatchthe
drainage.
Before Before
BeforeYou You YouStart Start Start
1.Flushthepump.
2.FollowthePressureReliefProcedure,page9.
3.Disconnectpowertothepump.
4.Makesurethepumpiselectricallyisolated.
Unexpectedoperationofthepumpcancause
seriousinjury.Removethefancoveronlyafter
themotorhasbeenlockedout.
Drain Drain
Drainthe the theLubricant Lubricant Lubricant
1.Holdapailunderthedrainplug(29)andunscrew
theplugtodrainthelubricant.Disposeofthe
lubricantproperly.Takecare,asthelubricant
maybecontaminatedbythepumped󰘱uid.
2.Removetheventplug(30)and󰘱ushthepump
housingwithacompatiblesolvent.
Figure1PumpDrain(29)andVent(30)
Remove Remove
Removethe the theFront Front FrontCover Cover Cover
1.Drainthelubricantpertheinstructionsinthe
previoussection.
2.SeeFigure2,page10.Useawrenchtoremove
thebolts(45)andwashers(52,53,ifpresent)
thatholdthefrontcover(16),removingthe
topscrewandwasher(ifpresent)last.Take
thecoveroffthepump.Ifthecoverisstuck,
gentlybreakthegasketsealwitha󰘱at-headed
screwdriverbetweenthecoverandthehousing.
PumpModelWrenchsize
ST10andST2310mm
ST2613mm
ST3017mm
3.Removethefrontcovergasket(15).
3A3367H9

Repair
Replace Replace
Replacethe the theHose Hose Hose
Remove Remove
Removethe the theHose Hose Hose
1.FollowthePressureReliefProcedure,page9.
2.Followthesteps
underDraintheLubricant,page9,and
RemovetheFrontCover,page9.
3.Therollermustbemovedtoremovethehose.
Followthedirectionsforyourpumptomovethe
rollerbetweenthe4-and8-o'clockpositions
whilepullingonthehoseatthebottomuntilthe
hoseisfreefromtheroller.
a.AC AC
ACModels: Models: Models:Loosenthescrewsandremove
themotorfancover(FC).Turnthefanby
handtomovetheroller.
NOTE: NOTE:
NOTE:LowRPMpumpsandhighratio
gearboxesmayrequiremanyturnsofthe
motorfantomovetheroller.
b.BLDC BLDC
BLDCModels: Models: Models:
i.Inserttheshaftsockettool(59)intothe
backofthegearbox.
ii.Useasocketwrenchtomovetheroller.
iii.Removethesocketfromthegearbox.
4.Useawrenchtoremovethefournuts(35)from
thehosebarbassemblyononeport.Pullthe
hosesoitextendsabout2–3in.(51–76mm)
outofthepump.Removethenuts(35)fromthe
barbassemblyontheotherport,andpullthe
hosesoitextendsabout2–3in.(51–76mm)out
ofthepump.
PumpModelWrenchsize
ST10andST2310mm
ST26andST3013mm
5.Usea7mmwrenchora󰘱at-headedscrewdriver
toloosenthehoseclamps(24).
6.Pullthebarbassemblyoffofthehoseonone
side,thenremove,thegasket(25)andclamp
(24).
7.Graspthehose(14)fromtheinsideofthepump
housingandpullitintothepumphousingand
outofthefront.Drainthehosecontentsintoa
bucket.
8.Removethesecondbarbassembly,thegasket
(25)andtheclamp(24).
9.Pulltheotherendofthehoseintothepump
housingandoutofthefront.
10.Removeandsafelydiscardtheusedhoseper
yourfacility’swastedisposalpolicy.Wipeclean
theinsideofthepumphousing.
NOTE: NOTE:
NOTE:Tocontinuewithdisassembly,see
RemovetheRoller,page12.Ifyouarereplacingthe
hose,continuewiththenextsection.
Figure2RemoveorInstalltheHose
103A3367H

Repair
Install Install
Installthe the theHose Hose Hose
1.Installagasket(25)ontoeachhosebarb(28)so
thatitmateswiththeplate(26).
2.Insertoneendofthehosethroughtheleft
housingportandextendthehose2–3in.(51–76
mm)beyondthepumphousing(1).
3.Orientthehoseclampsotheclamphousing
alignswiththerecessedcavityinthepump
housing.Slidethehoseclampoverthehose.
Slideonthebarbassembly.
4.Tightentheclamp.Torqueto25ft-lb(33.9N•m)
plusonefullturn.Or,tightentheclampsothat
theclampis󰘱ushwiththeouterhosediameter.
5.Pushthehoseandclampintothepumphousing.
6.Usenuts(35)toattachthehosebarbassembly
tothepump.Torquetothevaluespeci󰘰edinthe
table.
PumpModelTorque
ST10andST238ft-lb(10.8N•m)
ST26andST3018ft-lb(24.4N•m)
7.Loopthehose360degreesandinsertthesecond
endthroughtheoppositesideport.
8.Repeatsteps3–6.
9.Therollermustbemovedtoinstallthehose.
Followthedirectionsforyourpumptomovethe
roller.Startatthe4o’clockpositionandmove
therollertothe8o’clockpositionwhilepushing
thehoseinatthebottom.Besurethehoseis
pasttheplaneofthecovergasket.
a.AC AC
ACModels: Models: Models:Loosenthescrewsandremove
themotorfancover.Turnthefanbyhandto
movetheroller.
NOTE: NOTE:
NOTE:LowRPMpumpsandhighratio
gearboxesmayrequiremanyturnsofthe
motorfantomovetheroller.
b.BLDC BLDC
BLDCModels: Models: Models:
i.Inserttheshaftsockettool(29)intothe
backofthegearbox.
ii.Useasocketwrenchtomovetheroller.
10.AC AC
ACModels: Models: Models:Reinstallthemotorfancover.BLDC BLDC BLDC
Models: Models:
Models:Removethesocketfromthegearbox.
11.Followthestepsunder
InstalltheFrontCover,page17.
3A3367H11

Repair
Replace Replace
Replacethe the theRoller Roller Roller
Thebearingsintherolleraresealedand
non-serviceable.Ifthebearingsfail,replacetheroller
assembly.
Remove Remove
Removethe the theRoller Roller Roller
1.FollowthestepsinRemovetheHose,page10.
2.Usea󰘱at-headedscrewdriverontheinside
diametertopryouttherotaryshaftseals(13a
and13b).Discardtheseals.
3.Useexternalsnapringplierstoremovetheroller
retainingring(12)fromthefrontoftheeccentric
shaft(9).
4.Pulltheroller(11)offtheshaft(9).
5.Inspecttheinsideandoutsidediameterofthe
roller(11),andreplaceitifwornordamaged.
NOTE: NOTE:
NOTE:Tocontinuewithdisassembly,see
RemovetheEccentricShaft,page13.Ifyouare
replacingtheroller,continuewiththenextsection.
Install Install
Installthe the theRoller Roller Roller
1.Lubricatetheeccentricshaft(9)withhose
lubricant.Slidetheroller(11)ontotheshaft.
NOTE: NOTE:
NOTE:Therollerhasanorientationgrooveon
oneendthatmustfaceoutofthepumphousing.
2.Installarollerretainingring(12)andtheouter
shaftseals(13a,13b).Thelipsofthesealsmust
faceout out
outfromthecenteroftheroller.Installthe
sealssotheyare󰘱ushwiththerolleredge.Ifyou
arereplacingtheroller,seal13bispress󰘰tinto
therolleratthefactory.
3.Turntheroller(11)byhandtoverifythatitturns
freelyontheshaft(9).
4.Followthestepsunder
InstalltheFrontCover,page17.
Figure3RemoveorInstalltheRoller
KEY KEY
KEY
1
Theorientationgrooveononeendoftherollermustfaceoutofthepumphousing.
2
Lipsmustfaceout out
outfromthecenteroftheroller.
123A3367H

Repair
Complete Complete
CompletePump Pump PumpRepair Repair Repair
Disassembly Disassembly
Disassembly
Completepumpdisassemblyisnecessaryonlyto
replacethemainshaftassembly,forexampleinthe
caseofafailedbearing.
Remove Remove
Removethe the theEccentric Eccentric EccentricShaft Shaft Shaft
1.FollowthestepsinRemovetheHose,page10.
2.FollowthestepsinRemovetheRoller,page12.
3.Useexternalsnapringplierstoremovethe
eccentricshaftretainingring(10)fromthemotor
outputshaft(6).
4.Removetheeccentricshaft(9)fromthemotor
outputshaft(6).Be Be
Besure sure sureto to toretain retain retainthe the theeccentric eccentric eccentric
shaft shaft
shaftkey key key(56). (56). (56).
NOTE: NOTE:
NOTE:Youmayneedtouseapullerto
disengagetheeccentricshaftfromthemotor
outputshaft.
PumpModelBoltSize
ST106mm
ST23,ST26,and
ST30
8mm
Remove Remove
Removethe the theMotor Motor MotorOutput Output OutputShaft Shaft Shaft
SeeFigure4onpage15.
1.Removethefourscrews(31)andwashers(21)
thatholdthegearboxandmotorassembly(4)to
thepumphousing(1).
2.Removetheplasticplugsonthebackofthe
motortorevealthreadedmetricholesforagear
puller.Inspectthecenteropening.Ifitcontains
asnapring,removeit.
3.Useagearpullertoremovethegearboxand
motorassembly.Be Be
Besure sure sureto to toretain retain retainthe the themotor motor motor
output output
outputshaft shaft shaftkey key key(57). (57). (57).
NOTE: NOTE:
NOTE:Formotorandgearboxrepairinformation,
contactSEW-Eurodrive.
4.Usea󰘱atheadscrewdriverontheinside
diametertoremovethefrontrotaryshaftseal(8).
Discardtheseal.
5.Usealargeinternalsnapringplierstoremove
theretainingring(7)fromthepumphousing(1).
6.Gentlytapthegearboxendoftheshaft(6)with
arubbermallettodrivetheshaftoutthroughthe
frontofthepumphousing(1).
7.Removeanddiscardtherearrotaryshaftseal(5).
3A3367H13

Repair
Reassembly Reassembly
Reassembly
Clean Clean
Cleanand and andInspect Inspect InspectAll All AllParts Parts Parts
NOTICE NOTICE
NOTICE
UseonlygenuineGracoreplacementparts.
Non-standardpartswillvoidyourwarrantyand
maydamageyourequipment.
•Discardallusedseals,gasketsandwornparts.
•Ensurethatallnewandexistingpartsareclean
andundamaged.
•Thoroughlycleanallpartswithacompatible
solventandinspectfordamageorwear.Replace
allgaskets,washers,wornpartsandhardwareas
necessary.
•Inspecttheouterdiameterofthepumproller.Ifthe
surfacehasbeenworn,replacetheroller.
•Inspectthebearingsonthemotoroutputshaft
(6).Ifthebearingsareworn,replacetheshaft
assembly.
•Inspecttheshaftandbearingboreinthepump
housing(1).Ensureitisround,withoutgroovesor
othersignsofwear,andfreeofdirt,󰘰lings,orother
debris.Adirtyordamagedbearingborewillgreatly
reducethelifeofthebearings.
•Inspectallmetalpartsforsignsofwearorcracks.
Replaceallwornparts.
NOTICE NOTICE
NOTICE
Thepumphousingisaluminum.Tohelpprevent
galling,inspecttheboltthreadsforforeignmaterial
andcleanorreplaceifnecessary.
Install Install
Installthe the theMotor Motor MotorOutput Output OutputShaft Shaft Shaft
1.Inspectthebearingsandmakesurethatall
rotatefreelyandareseatedagainsttheshoulder
oftheshaft(6).
2.Installtheeccentricshaftkey(56).
3.Coattheouterracesoftheshaftbearingsandthe
innerdiameterofthehousingwithlithium-based
grease.Makesurethereisnodirtordebrison
eitherthebearingsorthehousing.
4.Inserttheshaft(6)intothepumphousing(1)from
thefront.Makesurethatthebearingsengage
theopening󰘱ushandstraight.Ifnecessary,
lightlytaptherollerendoftheshaftwitharubber
malletuntiltheshaftis󰘰rmlyseatedinthepump
housing.
Alternative Alternative
AlternativeMethod Method Method:Propthehousingsothefront
isfacingup.Inserttheshaftfromthetopdown.
NOTICE NOTICE
NOTICE
Donotforcetheshaftandbearingsintothe
pumphousing.Thismaycausedamagetothe
bearingsorthehousing.
5.Installthebearingretainingring(7)infrontofthe
outerbearing.
143A3367H

Repair
Install Install
Installthe the theSeals Seals Seals
1.Cleanthesurfacesthatthesealswillcontact.
2.Greasethepumpwithlithium-basedgrease.
Removetheplug(33)fromthepumphousing
andreplacewithazerk󰘰tting(1/8–27npt,not
included).Addgreaseuntilitpassesthrough
theouterbearingoftheshaft.Thisprovidesa
visualreferenceoftheproperamountofgrease.
Removethezerk󰘰tting.
3.Pressanewseal(5)ontothepumpendofthe
shaft(6)andanewseal(8)intotheboreatthe
frontofthepumphousing(1).Thelipsofthe
sealsmustfacetowardtheshaftbearings.Do
notinstallthesealspasttheplaneofthehousing.
NOTE: NOTE:
NOTE:Ifthesealsareinstalledtoodeep,they
maycauseexcessivefriction.
4.Turntheshaftbyhandacoupleoftimestobe
surethattheshaftrotatessmoothly.
5.Reinstalltheplug(33).
Figure4RemoveorInstalltheMotorOutputShaftandEccentricShaft
Key Key
Key
1
Lipsofthefrontrotaryshaftseal(8)mustfacetowardtheshaftbearings.
2
Lipsoftherearrotaryshaftseal(5)mustfaceintothepumphousing.
3
Lubricatewithlithium-basedgrease.
4
Lubricatewithanti-seizecompound
3A3367H15

Repair
Install Install
Installthe the theMotor Motor Motorand and andGearbox Gearbox Gearbox
1.Useananti-seizecompoundtolubricatethe
motoroutputshaft(6)andthekeyway.
2.Installthemotoroutputshaftkey(57).
3.Removetheplasticcaponthebackofthe
gearbox,ifoneispresent.
4.Slidethemotorandgearboxassembly(4)onto
theshaft(6).Securetheassemblytothepump
housing(1)withthefourscrews(31)andwashers
(21).Torquetothevalueshowninthetable.
Model Model
ModelTorque Torque Torque
ST10
and
ST23
8ft-lb(10.8N•m)
ST2618ft-lb(24.4N•m)
ST3032ft-lb(43.4N•m)
Install Install
Installthe the theEccentric Eccentric EccentricShaft Shaft Shaft
1.Verifythattheeccentricshaftkey(56)isinstalled.
2.Useananti-seizecompoundtolubricatethe
eccentricshaft(9).Slidetheeccentricshaftover
theendofthemotoroutputshaft(6).Useasoft
rodandaplasticmallettotaplightlyontheround
baseuntiltheeccentricshaftisfullyseatedon
themotoroutputshaft.
3.Securetheeccentricshaft(9)withtheretaining
ring(10).
4.FollowthestepsunderInstalltheRoller,page12,
andInstalltheHose,page11.
163A3367H

Repair
Install Install
Installthe the theFront Front FrontCover Cover Cover
1.Cleananydebrisfromthegasketmatingsurfaces
onthefrontcover(16)andthepumphousing(1).
NOTE: NOTE:
NOTE:Thepumphousingandfrontcovermust
befreeofdirt,debrisandresiduetoensurea
leak-freeseal.
2.Lineuptheholesinthegasket(15)withtheholes
inthecover(16).Placethegasketonthecover.
3.Lineupthefrontcover(16)andgasket(15)with
thepumphousing(1).ST10 ST10
ST10and and andST23 ST23 ST23: : :Install
the󰘱angeheadbolts(45)ontothefrontcover
(16).ST26 ST26
ST26and and andST30 ST30 ST30: : :Installthebolts(45),with
󰘱atwashers(53)andlockwashers(52),onto
thefrontcover(16).Torquetheboltsevenlyand
oppositelytothetorqueshowninthetable.
Model Model
ModelTorque Torque Torque
ST10
and
ST23
8ft-lb(10.8N•m)
ST2618ft-lb(24.4N•m)
ST3032ft-lb(43.4N•m)
Lubricate Lubricate
Lubricatethe the thePump Pump Pump
Toreducetheriskof󰘰reorexplosionthatcanresult
fromstaticsparkingorchemicalincompatibility:
•Verifythatthehoselubricantiscompatiblewith
yourpumped󰘱uid.Donotuseglycerinhose
lubricantifpumpingstrongoxidizeroracids.
•Keepthepumpproperly󰘰lledwithgenuine
Gracohoselubricant.
NOTICE NOTICE
NOTICE
Theventanddrainportthreadsarealuminum.To
helppreventgalling,inspecttheboltthreadsfor
foreignmaterialandcleanorreplaceifnecessary.
1.Wrapthedrainplug(29)threadswithPTFEtape
andinstalltheplugintothebottomcoverport.Be
surethatitistighttopreventleakageoflubricant.
2.Useafunnelwitha󰘱exiblespouttoaddhose
lubricantthroughtheventport.Thelubricant
levelmustcoverthebottomoftheroller.
NOTE: NOTE:
NOTE:Ifyouareusingtheoptionalleaksensor,
over󰘰llingmaycausenuisancetrippingofthe
sensor.
Seethetablebelowforthecorrectamountof
lubricantforyourpump.Pre-measuringthe
correctamountwillhelppreventover󰘰lling.
Pump Pump
Pump
Model Model
Model
Amount Amount
Amountof of ofHose Hose HoseLubricant Lubricant Lubricant
(approximate) (approximate)
(approximate)
14.5󰘱.oz(130ml)
212󰘱.oz.(350ml)
327󰘱.oz(800ml)
434󰘱oz(1000ml)
3.Wraptheventplug(30)threadswithPTFEtape
andscrewitintotheventport.
HoseLubricant(orderseparately)
Glycerin Glycerin
GlycerinSilicone Silicone SiliconeVolume Volume
Volume
24K691———Quart(0.95l)
24Y920———HalfGallon(1.89l)
24K69324K686Gallon(3.79l)
24M43524M43455Gallons(208l)
3A3367H17

Parts
Parts Parts
Parts
183A3367H

Parts
SoloTech SoloTech
SoloTech10 10 10Parts Parts Parts
Ref Ref
RefPart Part
PartDescription Description DescriptionQty Qty
Qty
1———HOUSING,pump1
217C220FOOT,mounting,left1
317C221FOOT,mounting,right1
MOTOR,AC
25A365HAC;0.75hp,19.50:1
25A366MAC;0.50hp,48.00:1
25A367LAC;0.25hp,157.43:1
1
4
24Z038MPM;BLDC,1.0hp1
5‡———SEAL,motorshaft,rear1
6‡———MOTORSHAFT,
subassembly
1
7‡———RING,retaining,internal,80
mm
1
8‡———SEAL,motorshaft,front1
924Y837ECCENTRICSHAFT(driver
assembly),kit;includesref.10
1
10———RING,retaining,external,27
mm;includedwithref.9
1
1124Y789ROLLERASSEMBLY,kit,
includesref.12and13
1
12———RING,retaining,external,25
mm
1
13a,
13b
24Y845SEALS,eccentricshaft,front
andback
1ea.
HOSE,10mm
24Y797NaturalRubber,black
24Y798CSM,orange
24Y799EPDM,blue
14
24Y800Nitrile,yellow
1
15*†———GASKET,frontcover1
16*24Y829FRONTCOVER,kit1
17*121110O-RING2
18*107249O-RING1
19*17C529HANDLE,cover2
20*17C521SIGHTGLASS1
21117018WASHER10
22*124164SCREW,M6-1.0x25mm,
stainlesssteel
8
23*124313SCREW,M6-1x16mm,
stainlesssteel
6
Ref Ref
RefPart Part
PartDescription Description DescriptionQty Qty
Qty
2424Y825CLAMP,hose,size122
25†———GASKET,hoseplate2
2617B693PLATE,hosebarb2
2717B690FLANGE,hosebarb2
BARB,hosekit;includes
o-ring(ref.44)
24Y813Stainlesssteel
24Y814PVDF
28
24Y815Hastelloy
2
29*16K274PLUG,hex,3/4npt1
30*16K281VENT,breather,muf󰘱er;3/4
npt
1
31114670SCREW,cap,hexhead,M6-1
x16mm
10
32�16K630LABEL,warning1
33110208PLUG,pipe,headless1
34———STUD,M6,fastener8
3517G152NUT,lock,hex,󰘱ange,8
42�15J075LABEL,warning1
43∆LUBRICANT1
44103255O-RING;includedwithref.282
45*17G170SCREW,󰘱angehead,M6–1x
20mm
8
5424Y445GRACOMOTORCONTROL;
usedonMPM(BLDC)pumps
1
5515Y051CABLE,M12,8pin,m/f,3.0m
(9.8ft);usedonMPM(BLDC)
pumps
1
56‡17C575KEY,eccentricshaft1
5725A838KEY,motoroutputshaft1
58116343SCREW,ground1
5917B594TOOL,BLDC,shaftsocket1
6024Z039GEARBOX,BLDC1
61———SCREW,cap,hexhd,3/8–16
x1,grade8.8
4
62———WASHER,lock,3/84
63———WASHER,󰘱at,3/84
� ReplacementDangerandWarninglabels,tags,
andcardsareavailableatnocost.
——— Notsoldseparately.
* PartsincludedinFrontCoverKit24Y829.
† PartsincludedinGasketKit24Y833.
‡ PartsincludedinMotorShaftKit24Y841.
∆ SeeLubricatethePump,page17forordering
information.
3A3367H19

Parts
SoloTech SoloTech
SoloTech23 23 23Parts Parts Parts
Ref Ref
RefPart Part
PartDescription Description DescriptionQty Qty
Qty
1———HOUSING1
217C222FOOT,mounting,left1
317C223FOOT,mounting,right1
MOTOR,AC
25A368HAC;1.0hp,19.13:1
25A369MAC;0.75hp,48.00:1
25A367LAC;0.25hp,157.43:1
1
4
24Z038MPM;1.0hp,BLDC1
5‡———SEAL,rotaryshaft,rear1
6‡24Y842MOTOROUTPUTSHAFT,kit1
7‡———RING,retaining,internal,90
mm
1
8‡———SEAL,rotaryshaft,front1
924Y838ECCENTRICSHAFT(driver
assembly),kit;includesref.10
1
10———RING,retaining,external,40
mm,includedwithref.9
1
1124Y794ROLLERASSEMBLY,kit,
includesrefs.12and13
1
12———RING,retaining,external,35
mm
1
13a,
13b
24Y846SEALS,rotaryshaft,frontand
back
1ea.
HOSE,23mm
24Y801NaturalRubber,black
24Y802CSM,orange
24Y803EPDM,blue
14
24Y804Nitrile,yellow
1
15*†———GASKET,frontcover1
16*24Y830FRONTCOVER,kit1
17*121110O-RING2
18*117337O-RING1
19*17C529HANDLE,cover2
20*17F092SIGHTGLASS1
21117018WASHER10
22*124164SCREW,M6-1.0x25mm,
stainlesssteel
8
23*124313SCREW,M6-1x16mm,
stainlesssteel
6
Ref Ref
RefPart Part
PartDescription Description DescriptionQty Qty
Qty
2424Y826CLAMP,hose,size202
25†———GASKET,hoseplate2
2617B694PLATE,hosebarb2
2717B691FLANGE,hosebarb2
BARB,hose,kit;includes
o-ring(ref.44)
24Y816Stainlesssteel
24Y817PVDF
28
24Y818Hastelloy
2
29*16K274PLUG,hex,3/4npt1
30*16K281VENT,breather,muf󰘱er,3/4
npt
1
31114670SCREW,cap,hexhead,M6-1
x16mm
10
32�16K630LABEL,warning1
33110208PLUG,pipe,headless1
34———STUD,M6,fastener8
3517G152NUT,lock,hex,󰘱ange,8
42�15J075LABEL,warning1
43∆LUBRICANT1
44107550O-RING;includedwithref.282
45*17G170SCREW,󰘱angehead,,M6–1
x20mm
8
5424Y445GRACOMOTORCONTROL;
usedonMPM(BLDC)pumps
1
5515Y051CABLE,M12,8pin,m/f,3.0m
(9.8ft);usedonMPM(BLDC)
pumps
1
56‡17C576KEY,eccentricshaft1
5725A838KEY,motoroutputshaft1
58116343SCREW,ground1
5917B594TOOL,BLDC,shaftsocket1
6024Z039GEARBOX,BLDC1
61———SCREW,cap,hexhd,3/8–16
x1,grade8.8
4
62———WASHER,lock,3/84
63———WASHER,󰘱at,3/84
� ReplacementDangerandWarninglabels,tags,
andcardsareavailableatnocost.
——— Notsoldseparately.
* PartsincludedinFrontCoverKit24Y830.
† PartsincludedinGasketKit24Y834.
‡ PartsincludedinMainShaftKit24Y842.
∆ SeeLubricatethePump,page17forordering
information.
203A3367H