Graco 3A1940G User manual

Graco
Brand
Graco
Model
3A1940G
Type
User manual

Graco 3A1940G is an electric-powered hose pump for use in fluid transfer and metering applications. It's not approved for use in explosive atmospheres or hazardous locations. It has a maximum fluid working pressure of 125 psi (0.9 MPa, 9 bar). This device has a variety of features, including:

  • Electric powered for easy operation
  • Not approved for use in explosive atmospheres or hazardous locations
  • Maximum fluid working pressure of 125 psi (0.9 MPa, 9 bar)
  • For professional use only

Graco 3A1940G is an electric-powered hose pump for use in fluid transfer and metering applications. It's not approved for use in explosive atmospheres or hazardous locations. It has a maximum fluid working pressure of 125 psi (0.9 MPa, 9 bar). This device has a variety of features, including:

  • Electric powered for easy operation
  • Not approved for use in explosive atmospheres or hazardous locations
  • Maximum fluid working pressure of 125 psi (0.9 MPa, 9 bar)
  • For professional use only
Repair-Parts
EP2 EP2
EP2
Hose Hose
Hose
Pump Pump
Pump
3A1940G
EN
Electric Electric
Electric
- -
-
powered powered
powered
hose hose
hose
pump pump
pump
for for
for
use use
use
in in
in
uid uid
uid
transfer transfer
transfer
and and
and
metering metering
metering
applications. applications.
applications.
For For
For
professional professional
professional
use use
use
only. only.
only.
Not Not
Not
approved approved
approved
for for
for
use use
use
in in
in
explosive explosive
explosive
atmospheres atmospheres
atmospheres
or or
or
hazardous hazardous
hazardous
locations. locations.
locations.
Important Important
Important
Safety Safety
Safety
Instructions Instructions
Instructions
Readallwarningsandinstructionsinthismanual.Savethese
instructions.
125 psi (0.9 MPa, 9 bar) Maximum Fluid
Working Pressure
See page 2 for model part numbers and
information.
PROVENQUALITY.LEADINGTECHNOLOGY.
Contents Contents
Contents
Models...............................................................2
Warnings...........................................................3
Troubleshooting..................................................6
Repair................................................................8
BeforeYouStart..........................................8
Disassembly................................................8
Reassembly................................................12
Notes.................................................................17
Parts..................................................................18
EP2HosePumpAssembly...........................18
BarePumpAssembly...................................20
PumpMatrix................................................22
PumpKitMatrix...........................................24
VariableFrequencyDrives(VFD)..................27
Notes.................................................................28
TechnicalData...................................................29
GracoStandardWarranty....................................30
Models Models
Models
Pump Pump
Pump
Model Model
Model
Hose Hose
Hose
ID ID
ID
Size Size
Size
(mm) (mm)
(mm)
Reference Reference
Reference
EP2006 EP2006
EP2006
6
SeeModelEP2006Pumps,page22foracompletelistof
pumppartnumbersanddescriptiveinformation.
EP2013 EP2013
EP2013
13
SeeModelEP2013Pumps,page23foracompletelistof
pumppartnumbersanddescriptiveinformation.
2
3A1940G
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
FIRE
AND AND
AND
EXPLOSION EXPLOSION
EXPLOSION
HAZARD HAZARD
HAZARD
Flammablefumes,suchassolventandpaintfumes,inwork work
work
area area
area
canigniteorexplode.Tohelp
preventreandexplosion:
•Useequipmentonlyinwellventilatedarea.
•Eliminateallignitionsources;suchaspilotlights,cigarettes,portableelectriclamps,and
plasticdropcloths(potentialstaticarc).
•Keepworkareafreeofdebris,includingsolvent,ragsandgasoline.
•Donotplugorunplugpowercords,orturnpowerorlightswitchesonoroffwhenammable
fumesarepresent.
•Groundallequipmentintheworkarea.SeeGrounding Grounding
Grounding
instructions.
•Useonlygroundedhoses.
•Holdgunrmlytosideofgroundedpailwhentriggeringintopail.
•Ifthereisstaticsparkingoryoufeelashock,stop stop
stop
operation operation
operation
immediately. immediately.
immediately.
Donotuse
equipmentuntilyouidentifyandcorrecttheproblem.
•Keepaworkingreextinguisherintheworkarea.
ELECTRIC ELECTRIC
ELECTRIC
SHOCK SHOCK
SHOCK
HAZARD HAZARD
HAZARD
Thisequipmentmustbegrounded.Impropergrounding,setup,orusageofthesystemcan
causeelectricshock.
•Turnoffanddisconnectpoweratmainswitchbeforedisconnectinganycablesandbefore
servicingorinstallingequipment.
•Connectonlytogroundedpowersource.
•Allelectricalwiringmustbedonebyaqualiedelectricianandcomplywithalllocalcodes
andregulations.
MOVING MOVING
MOVING
PARTS PARTS
PARTS
HAZARD HAZARD
HAZARD
Movingpartscanpinch,cutoramputatengersandotherbodyparts.
•Keepclearofmovingparts.
•Donotoperateequipmentwithprotectiveguardsorcoversremoved.
•Pressurizedequipmentcanstartwithoutwarning.Beforechecking,moving,orservicing
equipment,followthePressure Pressure
Pressure
Relief Relief
Relief
Procedure Procedure
Procedure
anddisconnectallpowersources.
3A1940G 3
Warnings
WARNING WARNING
WARNING
ENTANGLEMENT ENTANGLEMENT
ENTANGLEMENT
HAZARD HAZARD
HAZARD
Rotatingpartscancauseseriousinjury.
•Keepclearofmovingparts.
•Donotoperateequipmentwithprotectiveguardsorcoversremoved.
•Donotwearlooseclothing,jewelryorlonghairwhileoperatingequipment.
•Equipmentcanstartwithoutwarning.Beforechecking,movingorservicingequipment,follow
thePressure Pressure
Pressure
Relief Relief
Relief
Procedure Procedure
Procedure
anddisconnectallpowersources.
TOXIC TOXIC
TOXIC
FLUID FLUID
FLUID
OR OR
OR
FUMES FUMES
FUMES
Toxicuidsorfumescancauseseriousinjuryordeathifsplashedintheeyesoronskin,
inhaled,orswallowed.
•ReadMSDSstoknowthespecichazardsoftheuidsyouareusing.
•Storehazardousuidinapprovedcontainers,anddisposeofitaccordingtoapplicable
guidelines.
PERSONAL PERSONAL
PERSONAL
PROTECTIVE PROTECTIVE
PROTECTIVE
EQUIPMENT EQUIPMENT
EQUIPMENT
Youmustwearappropriateprotectiveequipmentwhenoperating,servicing,orwheninthe
operatingareaoftheequipmenttohelpprotectyoufromseriousinjury,includingeyeinjury,
hearingloss,inhalationoftoxicfumes,andburns.Thisequipmentincludesbutisnotlimitedto:
•Protectiveeyewear,andhearingprotection.
•Respirators,protectiveclothing,andglovesasrecommendedbytheuidandsolvent
manufacturer.
PRESSURIZED PRESSURIZED
PRESSURIZED
EQUIPMENT EQUIPMENT
EQUIPMENT
HAZARD HAZARD
HAZARD
Fluidfromtheequipmentleaks,orrupturedcomponentscansplashintheeyesoronskin
andcauseseriousinjury.
•FollowthePressure Pressure
Pressure
Relief Relief
Relief
Procedure Procedure
Procedure
whenyoustopspraying/dispensingandbefore
cleaning,checking,orservicingequipment.
•Tightenalluidconnectionsbeforeoperatingtheequipment.
•Checkhoses,tubes,andcouplingsdaily.Replacewornordamagedpartsimmediately.
4
3A1940G
Warnings
WARNING WARNING
WARNING
EQUIPMENT EQUIPMENT
EQUIPMENT
MISUSE MISUSE
MISUSE
HAZARD HAZARD
HAZARD
Misusecancausedeathorseriousinjury.
•Donotoperatetheunitwhenfatiguedorundertheinuenceofdrugsoralcohol.
•Donotexceedthemaximumworkingpressureortemperatureratingofthelowestrated
systemcomponent.SeeTechnical Technical
Technical
Data Data
Data
inallequipmentmanuals.
•Useuidsandsolventsthatarecompatiblewithequipmentwettedparts.SeeTechnical Technical
Technical
Data Data
Data
inallequipmentmanuals.Readuidandsolventmanufacturer’swarnings.Forcomplete
informationaboutyourmaterial,requestMSDSfromdistributororretailer.
•Donotleavetheworkareawhileequipmentisenergizedorunderpressure.
•TurnoffallequipmentandfollowthePressure Pressure
Pressure
Relief Relief
Relief
Procedure Procedure
Procedure
whenequipmentisnotinuse.
•Checkequipmentdaily.Repairorreplacewornordamagedpartsimmediatelywithgenuine
manufacturer’sreplacementpartsonly.
•Donotalterormodifyequipment.
•Useequipmentonlyforitsintendedpurpose.Callyourdistributorforinformation.
•Routehosesandcablesawayfromtrafcareas,sharpedges,movingparts,andhotsurfaces.
•Donotkinkoroverbendhosesorusehosestopullequipment.
•Keepchildrenandanimalsawayfromworkarea.
•Complywithallapplicablesafetyregulations.
3A1940G 5
Troubleshooting
Troubleshooting Troubleshooting
Troubleshooting
NOTE: NOTE:
NOTE:
Checkallpossibleremediesbeforedisassemblingthepump.
Problem Problem
Problem
Cause Cause
Cause
Solution Solution
Solution
Inletoroutletpipediameterstoo
small.
Increasepipesizeoraddpulsation
dampeners.
Highpumpspeed.
Reducespeedofpump.
Inletoroutletconnectionsnot
properlyanchored.
Securepiping.
Hammeringinpiping.
Highinletoroutletpressures.Addpulsationdampeners.
Lowlubricantlevel.Addhoselubetotheproperlevel.
Improperlubricant.
UseonlyGracohoselubeforlow
temperatureoperation.
Pumpeduidtemperaturetoo
high.
ConsultyourGracodistributorfor
maximumtemperaturelimitsof
yourpump.
Highpumptemperature.
Highpumpspeed/pump
undersized.
Reducethepumpspeedorswitch
toalargerpump.
Blockedoutletline.
Clearanyobstructionsintheoutlet
line.
Narrowedpipediameterdueto
settledsolids.
Determineifsolidshavesettled
inpipingandush/removeas
required.
Highoutletpressure.
Viscosityorspecicgravityof
pumpeduidtoohigh.
ConsultyourGracodistributorfor
suitableoperatingconditionsfor
yourpump.
Failedhose.
Checktoseeifthehosehasfailed.
Ifso,replacewithanewhoseand
lubricant.
Blockedinletline.
Clearanyobstructionsintheinlet
line.
Inletlinetoolongortoosmall.Trytolocatethepumpasnear
totheuidsourceaspossible.
Oversizetheinletpipingwhen
possible.
Lowinletpressure.
Viscosityorspecicgravityof
pumpeduidtoohigh.
ConsultyourGracodistributorfor
suitableoperatingconditionsfor
yourpump.
Lowow.
Failedhose.
Checktoseeifthehosehasfailed.
Ifso,replacewithanewhoseand
lubricant.
6 3A1940G
Troubleshooting
Problem Problem
Problem
Cause Cause
Cause
Solution Solution
Solution
Chemicalincompatibility.ConsultyourGracodistributorto
seeifyouhavethecorrecthose
foryourapplication.
Normalwear.
Thehosemayhavefaileddueto
normalwear.Replaceasrequired.
Failureduetopulsations.
Ifyourpumpisequippedwitha
pulsationdampener,adjustits
pressure.Ifyoudonothavea
dampener,consultyourGraco
distributor.
Toohighoutletpressure.
Checkitemslistedin“Highoutlet
pressure.”Runningthepump
againstaclosedvalve,evenfora
shortamountoftime,maydamage
hose.
Poorhoselife.
Settledsolidsinhose.
Flushthepumpandhosepriorto
turningthepumpoff.
Hoselubeleakingfromfrontcover.Coverboltsover-tightened.
Refertotorquespecicationsin
InstalltheFrontCover,page16.
Lubricantleaks.
Hoselubeleakingfromhose
clamps.
Pumphousingoverlled.Check
hoselubelevelandadjustas
necessary.
Hosefailedbecauseitwrapped
aroundroller.
Pumpwasoperatedagainsta
closedoutletvalveorblockedline.
Replacehose.Checkpressure
reliefsystem.Checkthatvalves
areopen.Clearanyblockages.
3A1940G
7
Repair
Repair Repair
Repair
Before Before
Before
You You
You
Start Start
Start
1.Flushthepump.
2.Relievethepressure.
3.Disconnectpowertothepump.
4.Makesurethepumpiselectricallyisolated.
Unexpectedoperationofthepumpcancause
seriousinjury.Removethefancoveronlyafter
themotorhasbeenlockedout.
Disassembly Disassembly
Disassembly
Drain Drain
Drain
the the
the
Oil Oil
Oil
1.Holdapailunderthedrainplug(17)andunscrew
theplugtodrainthelubricatingoil.Disposeof
theoilproperly.Takecare,astheoilmaybe
contaminatedbythepumpeduid.
2.Removetheventplug(15)andushthepump
housingwithacompatiblesolvent.
Figure1PumpDrainandVent
Remove Remove
Remove
the the
the
Front Front
Front
Cover Cover
Cover
1.Unscrewthesocketheadcapscrews(14)and
washers(13)thatholdthefrontcover(12),
removingthetopscrewandwasherlast.Take
thecoveroffthepump.SeeFigure5,page11.
2.Removethefrontcovergasket(11).
3.Inspectandcleanthecover(12),thensetaside.
8 3A1940G
Repair
Remove Remove
Remove
the the
the
Hose Hose
Hose
1.SeeFigure5,page11.Removethescrews
holdingthemotorfancover(FC).Turnthefanby
handuntiltheroller(102)stopsatthebottomof
thepumphousing(1)inthe6o’clockposition.
NOTE: NOTE:
NOTE:
LowRPMpumpsandhighratio
gearboxesmayrequiremanyturnsofthemotor
fantomovetherollertothe6o’clockposition.
2.Removethefourscrews(115)fromthebarbed
tting(105)ontheinletandoutletportsofthe
pump.
3.Gentlypullthebarbedttings(105)awayfrom
thepumphousing(1)sothehoseextendsabout
2–3in.(51–76mm)outofthepump.
4.Ifpossible,ensurethatthehoseclamps(104)
arepositionedwiththeclampportionatthetop.
Cutthroughtheclampwithahacksaworrotary
tool.Becarefulnottodamagethehose(103)or
thepumphousing(1).
Figure2CuttheClamp
5.Usingascrewdriver,removetheclamp,then
removetheband.
Figure3RemovetheClamp
6.Removeonebarbedtting(105)fromthehose
(103).
7.Graspthehose(103)fromtheinsideofthepump
housing(1)andpullitintothehousing.The
centerofthehosewillstillbeheldbytherollerin
the6o’clockposition.
8.Removethesecondbarbassemblyasdescribed
above.
9.Turnthemotorbyhanduntiltheroller(102)isnot
compressingthehose(103).Thiswillbenear
the9o’clockor3o’clockposition.
Figure4Rollerin9O’ClockPosition
10.Pulltheotherendofthehoseintothepump
housing(1).
11.Removeandsafelydiscardtheusedhose,per
yourfacility’swastedisposalpolicy.
3A1940G 9
Repair
Remove Remove
Remove
the the
the
Roller Roller
Roller
1.Usingexternalsnapringpliers,removetheroller
retainingring(8)fromthefrontoftheeccentric
shaft(7).
2.Pulltheroller(102)offtheshaft.Itshouldslide
offeasily.
3.Inspecttheinsideandoutsidediameterofthe
roller(102),andreplaceitifwornordamaged.
Figure5RemovetheHoseandRoller
10 3A1940G
Repair
Remove Remove
Remove
the the
the
Eccentric Eccentric
Eccentric
Shaft Shaft
Shaft
1.Usingexternalsnapringpliers,removethe
eccentricshaftretainingring(8)fromthemotor
outputshaft(2).
2.Removetheeccentricshaft(7)fromthemotor
outputshaft.Be Be
Be
sure sure
sure
to to
to
retain retain
retain
the the
the
eccentric eccentric
eccentric
shaft shaft
shaft
key key
key
(6). (6).
(6).
NOTE: NOTE:
NOTE:
Youmayneedtouseapullerto
disengagetheeccentricshaftfromthemotor
outputshaft.
Remove Remove
Remove
the the
the
Motor Motor
Motor
Output Output
Output
Shaft Shaft
Shaft
NOTE: NOTE:
NOTE:
Themotoroutputshaftisheldinplacewith
aretainingring(3)locatedbehindtheouteru-cup
seal(4).Theoutersealmustberemovedbefore
removingtheretainingring.Thissealwilllikelybe
damagedwhenremovedsinceitisheldinplaceby
atightpresst.
1.Usingaatheadscrewdriver,removetheouter
u-cupseal(4).
2.Usinginternalsnapringpliers,removethe
retainingring(3)fromthepumphousing(1).
3.Removethefourscrews(109)andwashers(108)
holdingthegearboxandmotorassembly(107)
tothepumphousing(1).Removethegearbox
andmotorassemblytoallowaccesstotheinner
u-cupseal(5).Be Be
Be
sure sure
sure
to to
to
retain retain
retain
the the
the
motor motor
motor
output output
output
shaft shaft
shaft
key key
key
(106). (106).
(106).
NOTE: NOTE:
NOTE:
Formotorandgearboxrepairinformation,
contactSEW-Eurodrive.
4.Removetheinneru-cupseal(5).Thissealwill
likelybedamagedwhenremovedsinceitisheld
inplacebyatightpresst.
5.Tapthegearboxendoftheshaft(2)witharubber
mallettodrivetheshaftoutthroughthefrontof
thepumphousing(1).
8
7
4
3
6
2
106
1
5
108
109
107
Figure6RemovetheEccentricShaftandMotorOutputShaft
3A1940G
11
Repair
Reassembly Reassembly
Reassembly
Clean Clean
Clean
and and
and
Inspect Inspect
Inspect
All All
All
Parts Parts
Parts
NOTICE NOTICE
NOTICE
UseonlygenuineGracoreplacementparts.
Non-standardpartswillvoidyourwarrantyand
maydamageyourequipment.
•Discardallusedseals,gasketsandwornparts.
•Ensurethatallnewandexistingpartsareclean
andundamaged.
•Thoroughlycleanallpartswithacompatible
solventandinspectfordamageorwear.Replace
allgaskets,washers,wornpartsandhardwareas
necessary.
•Inspecttheinnerdiameterofthepumproller.Ifthe
surfacehasbeenworn,replacetheroller.
•Inspectthebearingsonthemotoroutputshaft(2).
Ifthebearingsareworn,replacetheshaft.
•Inspecttheshaftandbearingboreinthepump
housing(1).Ensureitisround,withoutgroovesor
othersignsofwear,andfreeofdirt,lings,orother
debris.Adirtyordamagedbearingborewillgreatly
reducethelifeofthebearings.
•Inspectallmetalpartsforsignsofwearorcracks.
Replaceallwornparts.
NOTICE NOTICE
NOTICE
Thepumphousingisaluminum.Tohelpprevent
galling,blowoutthethreadswithcompressedair
beforeinstallinganyttingsorfasteners.
Install Install
Install
the the
the
Motor Motor
Motor
Output Output
Output
Shaft Shaft
Shaft
1.Inspectthebearingsandmakesurethatallrotate
freelyandareseatedagainsttheshoulderofthe
shaft(2).SeeFigure6.
2.Coattheouterracesoftheshaftbearingsand
theinnerdiameterofthebearingborewithlight
lubricatingoil.Makesurethereisnodirtordebris
oneitherthebearingsorthebearingbore.
3.Inserttheshaft(2)intothepumphousing(1)from
thefront,makingsurethatthebearingsengage
thebearingboreushandstraight.Taptheroller
endoftheshaftwitharubbermalletuntilthe
shaftisrmlyseatedinthepumphousing.
NOTICE NOTICE
NOTICE
Donotforcetheshaftandbearingsintothe
pumphousing.Thismaycausedamagetothe
bearingsorthehousing.
4.Installthebearingretainingring(3)infrontofthe
outerbearing.
Install Install
Install
the the
the
Seals Seals
Seals
1.Pressanewinneru-cupseal(5)ontothegearbox
endoftheshaft(2)andintotheboreattherear
ofthepumphousing(1).Thelipsoftheu-cup
mustfaceintothepumphousing.SeeFigure7.
2.GreasethepumpwithNLGI#2typegrease.
Removetheplug(18)fromthepumphousing
andreplaceitwithazerktting.Addgreaseuntil
itpassesthroughtheouterbearingoftheshaft.
Thisprovidesavisualreferenceoftheproper
amountofgrease.Donotover-grease.Remove
thezerkttingandreinstalltheplug(18).
3.Pressanewouteru-cupseal(4)ontothepump
endoftheshaft(2)andintotheboreatthefront
ofthepumphousing(1).Thelipsoftheu-cup
mustfacetowardtheshaftbearings.
4.Makesurethattheshaftrotatessmoothly.
12
3A1940G
Repair
Figure7InstalltheMotorOutputShaftandEccentricShaft
Key Key
Key
for for
for
Figure Figure
Figure
7 7
7
Note Note
Note
Description Description
Description
1
Lipsoftheu-cup(4)mustfacetowardtheshaftbearings.
2
Lipsoftheu-cup(5)mustfaceintothepumphousing.
3
Lubricatewithhoselube.
Install Install
Install
the the
the
Motor Motor
Motor
and and
and
Gearbox Gearbox
Gearbox
1.Lubricatethemotoroutputshaft(2)andthe
keywaywithananti-seizecompound.
2.Thegearboxismanufacturedwithahollow
bore.Removetheplasticcaponthebackofthe
gearboxtohelpwithalignmentoftheshaft.
3.Slidethemotorandgearboxassembly(107)onto
theshaft(2).Typicallytheassemblyismounted
withthemotorabovethegearbox.Installthekey
(106).Securetothepumphousing(1)withthe
fourscrews(109)andwashers(108).
Install Install
Install
the the
the
Eccentric Eccentric
Eccentric
Shaft Shaft
Shaft
1.Ensurethatthekeywayonthemotoroutputshaft
(2)isfacingup.Itmaybenecessarytoturnthe
motorfanbyhandtopositiontheshaft.
2.Slidetheeccentricshaft(7)overtheendof
themotoroutputshaft(2).Installthekey(6).
Theeccentricandthekeyshouldslideeasily
together.
3.Securetheeccentricshaft(7)withtheeccentric
shaftretainingring(8).
Install Install
Install
the the
the
Roller Roller
Roller
NOTE: NOTE:
NOTE:
Therollersizeistypicallymarkedonthe
roller.Verifythatyouhavethecorrectlysizedroller.
1.Lubricatetheeccentricshaft(7)withhoselube.
Slidetheroller(102)ontotheshaft.Theroller
shouldtontotheshaftsnuglywithminimal
radialmovement.SeeFigure8.
2.Installtherollerretainingring(8).Verifythatthe
roller(102)turnsfreelyontheshaft(7).
3A1940G 13
Repair
Figure8InstalltheRoller,Hose,andFrontCover
Key Key
Key
for for
for
Figure Figure
Figure
8 8
8
Note Note
Note
Description Description
Description
4
Torqueto115in-lb(13.0N•m).
5
Torqueto25in-lb(2.8N•m).
14
3A1940G
Repair
Install Install
Install
the the
the
Hose Hose
Hose
1.Movetheroller(102)byturningthemotorfan
untiltherollerreachesthe6o’clockposition.
Figure9Rollerin6O’ClockPosition
2.Installoneendofthehose(103)throughthe
rearportofthepumphousingonthelefthand
sidewhenlookingatitfromthefront.Extend
thehose2-3in.(51–76mm)beyondthepump
housing(1).
3.Slidethehoseclamp(104)overthehoseand
installthebarbedtting(105).
4.Positionthehoseclampabout1/4in.(6mm)
fromtheendofthehose.Usingthe24L497
ClampingTool,tightentheclamptosecurethe
hoseontothebarbedtting.
Figure10TightentheClamp
5.Cuttheexcessband,thenattentheendwitha
rubbermallet.
Figure11FlattentheBand
6.Installthescrews(115)andtorqueto115in-lb
(13.0N•m).
7.Loopthehose(103)360degreesandpassthe
otherendthroughthefrontportontherighthand
sideofthepumphousing(1).Assemblethe
barbedtting(105)andclamp(104)asexplained
insteps3–6.
8.Turntheroller(102)tothe12o’clockposition
andpushthehoseintothepumphousing.Usea
rubbermalletifthehoseisdifculttoseat.
9.Returntheroller(102)tothe6o’clockposition,
compressingthehose.Itiscriticalthattheroller
isatthebottomofthepumptoensurethecorrect
capacityofhoselube.Reinstallthemotorfan
cover.
NOTICE NOTICE
NOTICE
Therollermustbereturnedtothe6o’clock
positionbeforeinstallingthefrontcover.
Failuretodosowillresultinoverllingofthe
pumpwithhoselube.
3A1940G 15
Repair
Install Install
Install
the the
the
Front Front
Front
Cover Cover
Cover
1.Scrapealldebrisfromthegasketmatingsurfaces
onthefrontcover(12)andthepumphousing
(1),thencleanwithacetoneorbrakecleanerto
removeanyresidue.Thisiscriticaltoensurea
leak-freeassembly.
NOTE: NOTE:
NOTE:
Thepumphousingandfrontcovermust
befreeofdirt,debrisandresiduetoensurea
leak-freeseal.
2.Placeabeadofcompatiblesealantonthegasket
surfaceofthefrontcover(12),toholdthegasket
inplaceduringassembly.
NOTE: NOTE:
NOTE:
Theholepatternofthefrontcover(12),
gasket(11),andhousingareasymmetric.This
ensuresthatthegasketandcovergooninonly
onedirection.
3.Lineuptheholesinthegasket(11)withtheholes
inthecover(12)beforeplacingthegasketonthe
sealantbead.Placethegasketonthecover.
4.Lineupthefrontcoverandgasketwiththepump
housing(1)byplacingasocketheadcapscrew
(14)andwasher(13)inthetopholeandscrewing
itintothepumphousing(1).
5.Installtheremainingfrontcoverscrews(14)and
washers(13).Torquethescrewsoppositelyto
25in-lb(2.8N•m).
NOTE: NOTE:
NOTE:
Donotover-tightenthefrontcover
screws.Thiswillcausethegaskettodeformand
thepumptoleak.
Lubricate Lubricate
Lubricate
the the
the
Pump Pump
Pump
1.Wrapthedrainplug(17)threadswithPTFEtape
andinstalltheplug.
2.Usingafunnel,llthepumphousingwithhose
lubethroughtheventport.Thepumpwillrequire
approximately8oz(250ml).
NOTE: NOTE:
NOTE:
Do Do
Do
not not
not
overll. overll.
overll.
Overllingthepump
housingwithhoselubewillincreasepressure
inthepumphousing,causinghoselubetoleak
fromthecoverortheclamparea.Pre-measuring
thecorrectamountwillhelppreventoverlling.
Figure12LubricatethroughVentPort(15)
3.Wraptheventplug(15)threadswithPTFEtape
andscrewitintotheventportcarefully.
NOTE: NOTE:
NOTE:
Higheroperatingspeedsprovidemore
vigorouslubrication,whichmaycausesplashingof
oil.Whenoperatingataspeedof85RPMorgreater,
reducetheamountofhoselubeasshowninthe
tablebelow.
Operating Operating
Operating
Speed Speed
Speed
(RPM) (RPM)
(RPM)
Reduction Reduction
Reduction
in in
in
Oil Oil
Oil
0–84Usequantity
recommendedinstep2.
85–104
Use70%of
recommendedquantity
105–114
Use60%of
recommendedquantity
115andabove
Use50%of
recommendedquantity
16 3A1940G
Notes
Notes Notes
Notes
3A1940G
17
Parts
Parts Parts
Parts
EP2 EP2
EP2
Hose Hose
Hose
Pump Pump
Pump
Assembly Assembly
Assembly
EP2006 EP2006
EP2006
and and
and
EP2013 EP2013
EP2013
Pumps, Pumps,
Pumps,
Series Series
Series
A A
A
Includesitems101–119
18 3A1940G
Parts
Ref. Ref.
Ref.
No. No.
No.
Part Part
Part
No. No.
No.
Description Description
Description
Qty Qty
Qty
10124L887
ASSEMBLY,pump;
seeBarePump
Assembly,page20.
1
24K562
ROLLERKIT;for
EP2006;includes
oneofitem8(page
21)
1
102
24K564
ROLLERKIT;for
EP2013;includes
oneofitem8(page
21)
1
103
SeePump
Matrix,
page22
HOSEKIT;includes
twohoseclamps
(104)
1
10424M116KIT,hoseclamp;
packageof10
1
105
SeePump
Matrix,
page22
BARBEDFITTING
KIT;kitincludesone
barbedtting,one
clamp(104),andfour
screws(115)
2
106
---
KEY,motorshaft
1
Ref. Ref.
Ref.
No. No.
No.
Part Part
Part
No. No.
No.
Description Description
Description
Qty Qty
Qty
MOTORandGEAR-
BOXASSEMBLY
(seePumpMatrix,
page22,forthemo-
torandgearboxused
onyourpump)
24L9820.5HP;51.30gear
ratio;EP2006
24L9830.75HP;35.10gear
ratio;EP2013
107
24L9850.33HP;157.43gear
ratio;EP2006and
EP2013
1
108
---
WASHER,splitlock;
M6
4
109
---
SCREW,cap,hexhd;
M6x16mm
4
115
---
SCREW,sockethd;
M4x12mm
8
119u24K692
HOSELUBE;
glycerin;1quart
(0.95liter);notshown
1
u
Hose lube is also available in a 1 gallon (3.8 liter)
bottle. Order Part No. 24K694.
Parts labeled --- are not available separately.
3A1940G 19
Parts
Bare Bare
Bare
Pump Pump
Pump
Assembly Assembly
Assembly
Model Model
Model
24L887 24L887
24L887
Pump Pump
Pump
Assembly, Assembly,
Assembly,
Series Series
Series
A A
A
Includesitems1–23
20 3A1940G
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Graco 3A1940G User manual

Graco
Brand
Graco
Model
3A1940G
Type
User manual

Graco 3A1940G is an electric-powered hose pump for use in fluid transfer and metering applications. It's not approved for use in explosive atmospheres or hazardous locations. It has a maximum fluid working pressure of 125 psi (0.9 MPa, 9 bar). This device has a variety of features, including:

  • Electric powered for easy operation
  • Not approved for use in explosive atmospheres or hazardous locations
  • Maximum fluid working pressure of 125 psi (0.9 MPa, 9 bar)
  • For professional use only
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