Graco SaniForce 24E836 Parts list manual

InstructionsandParts
3A0733C
SaniForce™6:1SanitaryPumpsENG
Foruseinsanitaryapplicationstotransfermediumtohighviscosityfluids.Forprofessionaluseonly.
ImportantSafetyInstructions
Readallwarningsandinstructionsinthismanual.
Savetheseinstructions.
M
odel 24E836 Model 24G740
ti15637a
ti15721a
PROVENQUALITY .LEADINGTECHNOLOGY .

Contents Contents
Contents
Models...............................................................3
Warnings...........................................................4
.........................................................................4
Installation..........................................................6
Grounding...................................................6
Mounting.....................................................6
Setup..........................................................6
Operation...........................................................8
PressureReliefProcedure............................8
FlushBeforeFirstUse..................................8
AdjustingthePumpSpeedand
Pressure........................................8
PumpShutDown.........................................8
Maintenance......................................................9
FlushingProcedure......................................9
Cleaning......................................................9
TightenThreadedConnections.....................9
Notes...............................................................10
Troubleshooting..................................................11
PrimingPistonService........................................12
DisconnectthePump...................................12
DisassemblethePump.................................12
ReassembleAfterCleaning..........................13
DoubleBallService............................................14
DisconnectthePump...................................14
DisassemblethePump.................................15
ReassembleAfterCleaning..........................15
Parts..................................................................16
Kits....................................................................17
PrimingPistonDisplacementPumpModels
24G747and24G746.............................18
Double-BallDisplacementPumpModels
24G748,24G749,24G753,and
24G750................................................20
Double-BallDisplacementPumpModels
24G752and24G751.............................22
Notes...............................................................24
ProductDimensions............................................25
Performancechart..............................................26
TechnicalData...................................................27
GracoStandardWarranty....................................28
23A0733C

Models Models
Models
Maximum Maximum
Maximum
Air Air
Air
Inlet Inlet
Inlet
Pressure: Pressure:
Pressure:
100 100
100
psi psi
psi
(0.7 (0.7
(0.7
MPa, MPa,
MPa,
6.9 6.9
6.9
bar) bar)
bar)
Maximum Maximum
Maximum
Fluid Fluid
Fluid
Working Working
Working
Pressure: Pressure:
Pressure:
650 650
650
psi psi
psi
(4.5 (4.5
(4.5
MPa, MPa,
MPa,
44.8 44.8
44.8
bar) bar)
bar)
Pump Pump
Pump
Model Model
Model
Displacement Displacement
Displacement
Pump Pump
PumpModel Model Model
Pump Pump
PumpType Type TypePump Pump PumpLength Length LengthDescription Description DescriptionPackings Packings Packings
24E83624G746Priming
Piston
StubbyBuna-N,Nitrile,Nylon,and
Polychloroprene
24E83724G751DoubleBallStubbyPTFE
24E83824G752DoubleBallStubbyBuna-N,Polychloroprene,and
UHMWPE
24E83924G753DoubleBallDrumLengthPTFE
24E84024G749DoubleBallDrumLengthBuna-N,Nitrile,Nylon,and
Polychloroprene
24F94224G750DoubleBallBinLengthBuna-N,Nitrile,Nylon,and
Polychloroprene
24G73924G747Priming
Piston
Stubby,withFlangeBuna-N,Nitrile,Nylon,and
Polychloroprene
24G74024G748DoubleBallDrumLength,withFlangeBuna-N,Nitrile,Nylon,and
Polychloroprene
3A0733C3

Warnings Warnings
Warnings
Thefollowingwarningsareforthesetup,use,grounding,maintenanceandrepairofthisequipment.The
exclamationpointsymbolalertsyoutoageneralwarningandthehazardsymbolreferstoprocedure-speci󻉓c
risks.WhenthesesymbolsappearinthebodyofthismanualreferbacktotheseWarnings.Product-speci󻉓c
hazardsymbolsandwarningsnotcoveredinthissectionmayappearthroughoutthebodyofthismanual
whereapplicable.
WARNING WARNING
WARNING
SKIN SKIN
SKININJECTION INJECTION INJECTIONHAZARD HAZARD HAZARD
High-pressure󻉔uidfromdispensingdevice,hoseleaks,orrupturedcomponentswillpierce
skin.Thismanylooklikejustacut,butitisaseriousinjurythatcanresultinamputation.
Get Get
Getimmediate immediate immediatesurgical surgical surgicaltreatment. treatment. treatment.
•Donotpointdispensingdeviceatanyoneoratanypartofthebody.
•Donotputyourhandoverthe󻉔uidoutlet.
•Donotstoporde󻉔ectleakswithyouhand,body,glove,orrag.
•FollowthePressure Pressure
PressureRelief Relief ReliefProcedure Procedure Procedurewhenyoustopdispensingandbeforecleaning,
checking,orservicingequipment.
•Tightenall󻉔uidconnectionsbeforeoperatingtheequipment.
•Checkhosesandcouplingsdaily.Replaceworkordamagedpartsimmediately.
MOVING MOVING
MOVINGPARTS PARTS PARTSHAZARD HAZARD HAZARD
Movingpartscanpinch,cutoramputate󻉓ngersandotherbodyparts.
•Keepclearofmovingparts.
•Donotoperateequipmentwithprotectiveguardsorcoversremoved.
•Pressurizedequipmentcanstartwithoutwarning.Beforechecking,moving,orservicing
equipment,followthePressure Pressure
PressureRelief Relief ReliefProcedure Procedure Procedureanddisconnectallpowersources.
FIRE FIRE
FIREAND AND ANDEXPLOSION EXPLOSION EXPLOSIONHAZARD HAZARD HAZARD
Flammablefumes,suchassolventandpaintfumes,inworkareacanigniteorexplode.Tohelp
prevent󻉓reandexplosion:
•Useequipmentonlyinwellventilatedarea.
•Eliminateallignitionsources;suchaspilotlights,cigarettes,portableelectriclamps,and
plasticdropcloths(potentialstaticarc).
•Keepworkareafreeofdebris,includingsolvent,ragsandgasoline.
•Donotplugorunplugpowercords,orturnlightswitchesonoroffwhen󻉔ammablefumes
arepresent.
•Groundallequipmentintheworkarea.SeeGrounding Grounding
Groundinginstructions.
•UseOnlygroundedhoses.
•Holdgun󻉓rmlytosideofgroundedpailwhentriggeringintopail.
•Ifthereisstaticsparkingoryoufeelashock,stop stop
stopoperation operation operationimmediately. immediately. immediately.Donotuse
equipmentuntilyouidentifyandcorrecttheproblem.
•Keepaworking󻉓reextinguisherintheworkarea.
43A0733C

WARNING WARNING
WARNING
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,requestMSDSfromdistributororretailer.
•Donotleavetheworkareawhileequipmentisenergizedorunderpressure.Turnoffall
equipmentandfollowthePressure Pressure
PressureRelief Relief ReliefProcedure Procedure Procedurewhenequipmentisnotinuse.
•Checkequipmentdaily.Repairorreplacewornordamagedpartsimmediatelywithgenuine
manufacturer’sreplacementpartsonly.
•Donotalterormodifyequipment.
•Useequipmentonlyforitsintendedpurpose.Callyourdistributorforinformation.
•Routehosesandcablesawayfromtraf󻉓careas,sharpedges,movingparts,andhotsurfaces.
•Donotkinkoroverbendhosesorusehosestopullequipment.
•Keepchildrenandanimalsawayfromworkarea.
•Complywithallapplicablesafetyregulations.
SPLATTER SPLATTER
SPLATTERHAZARD HAZARD HAZARD
Hotortoxic󻉔uidcancauseseriousinjuryifsplashedintheeyesoronskin.Duringblowoffof
platen,splattermayoccur.
•Useminimumairpressurewhenremovingplatenfromdrum.
TOXIC TOXIC
TOXICFLUID FLUID FLUIDOR OR ORFUMES FUMES FUMES
Toxic󻉔uidsorfumescancauseseriousinjuryordeathifsplashedintheeyesoronskin,
inhaled,orswallowed.
•ReadMSDSstoknowthespeci󻉓chazardsofthe󻉔uidsyouareusing.
•Storehazardous󻉔uidinapprovedcontainers,anddisposeofitaccordingtoapplicable
guidelines.
PERSONAL PERSONAL
PERSONALPROTECTIVE PROTECTIVE PROTECTIVEEQUIPMENT EQUIPMENT EQUIPMENT
Youmustwearappropriateprotectiveequipmentwhenoperating,servicing,orwheninthe
operatingareaoftheequipmenttohelpprotectyoufromseriousinjury,includingeyeinjury,
hearingloss,inhalationoftoxicfumes,andburns.Thisequipmentincludesbutisnotlimitedto:
•Protectiveeyewear,andhearingprotection.
•Respirators,protectiveclothing,andglovesasrecommendedbythe󻉔uidandsolvent
manufacturer.
3A0733C5

Installation Installation
Installation
TopicsCoveredinthisChapter
♦Grounding
♦Mounting
♦Setup
Grounding Grounding
Grounding
Theequipmentmustbegrounded.Grounding
reducestheriskofstaticandelectricshockby
providinganescapewirefortheelectricalcurrent
duetostaticbuilduporintheeventofashort
circuit.
Pump: Pump:
Pump:Connectagroundwire(GracoPN238909)
tothegroundscrewonthebottomcoveroftheair
motor,undertheshield.Connecttheotherendofthe
groundwiretoatrueearthground.
Air Air
Airand and and󻉔uid 󻉔uid 󻉔uidhoses: hoses: hoses:useonlyelectricallyconductive
hoseswithamaximumof500ft.(150m)combined
hoselengthtoensuregroundingcontinuity.Check
electricalresistanceofhoses.Iftotalresistance
togroundexceeds25megohms,replacehose
immediately.
Air Air
Aircompressors: compressors: compressors:followmanufacturer’s
recommendations.
Dispense Dispense
Dispensevalve: valve: valve:groundthroughconnectiontoa
properlygrounded󻉔uidhoseandpump.
Material Material
Materialsupply supply supplycontainer: container: container:followlocalcode.
Container(s) Container(s)
Container(s)that that thatreceive receive receivematerial: material: material:followlocalcode.
Solvent Solvent
Solventpails pails pailsused used usedwhen when when󻉔ushing: 󻉔ushing: 󻉔ushing:followlocal
code.Useonlyconductivemetalpails,placedon
agroundedsurface.Donotplacethepailona
nonconductivesurface,suchaspaperorcardboard,
whichinterruptsgroundingcontinuity.
To To
Tomaintain maintain maintaingrounding grounding groundingcontinuity continuity continuitywhen when when󻉔ushing 󻉔ushing 󻉔ushingor or or
relieving relieving
relievingpressure: pressure: pressure:holdmetalpartofthedispense
valve󻉓rmlytothesideofagroundedmetalpail,then
triggerthevalve.
Mounting Mounting
Mounting
Mountthepumponasurfacethancansupportthe
weightofthepumpandaccessories,aswellasthe
stresscausedduringoperation.Donotuseairor
󻉔uidlinestosupportthepump.
Setup Setup
Setup
Toavoidcontaminatingthe󻉔uid,pipetheexhaust
airtoventoutsideofthe󻉔uidproductarea,away
frompeople,animals,orfoodhandlingareas.
Note Note
Note
Referencenumbersandlettersin
parenthesesinthetextrefertothecalloutsin
the󻉓guresandthepartsdrawings
AccessoriesareavailablefromGraco.Makecertain
allaccessoriesaresizedandpressureratedtomeet
yoursystemrequirements
Fig1isonlyaguideforselectingandinstalling
systemcomponentsandaccessories.Contactyour
Gracodistributorforassistanceindesigningasystem
tosuityourparticularneeds.
Installableed-typemasterairvalve(G)closetothe
pumpairinlet(D),torelieveairtrappedbetweenit
andtheairmotor.
Installanair󻉓lter/regulator(F)inthepumpair
line,
upstream from the bleed valve, tocontrol
airinletpressureandtoremoveharmfuldirtand
contaminantsfromyourcompressedairsupply.
Installapumprunawayvalve(S)inthepumpairline
toshutoffairtotheairmotorautomaticallyifthe
pumpstartstoruntoofast.
Installanotherbleed-typemasterairvalve(G)
upstreamfromallairlineaccessoriesanduseitto
isolatetheaccessoriesduringcleaningandrepair.
Ontheairdroptothedispensevalve(K),installan
airregulator(M)tocontrolairpressuretothevalve.
Installableedvalve(G)touseasashutoffwhen
servicingthedispensevalve.
Connectairsolenoidvalves(H)toatimercontrol
(L),andsetsothedispensevalve(K)willdispense
atproperintervals.
63A0733C

J
F
R
G
G
D
H
AC
E
N
B
J
GMHL
K
P
TI15638B
Main Air Line
S
Figure1TypicalInstallation
Key Key
Key
Pump Pump
PumpComponents Components Components(Included) (Included) (Included)System System SystemComponents/Accessories Components/Accessories Components/Accessories(sold (sold (soldseparately) separately) separately)
ABung-MountedSanitaryPumpFAirLineFilter/Regulator
BAirExhaustMuf󻉔er(mayalternatelybemounted
remotely,usingexhausthose)
GBleed-TypeMasterAirValve(required)
C3/4nptExhaustAirOutletHAirSolenoidValve
D1/2nptAirInletJAirLineDrainPipeandValve
E1-1/2in.TubeSizeFlangedFluidOutletKDispensingValve
LTimerControl
MAirRegulator
NDispensingValveAirExhaustHose
PSensingDevice
RPumpGroundWire(required)
SPumpRunawayValve
3A0733C7

Operation Operation
Operation
TopicsCoveredinthisChapter
♦PressureReliefProcedure
♦FlushBeforeFirstUse
♦AdjustingthePumpSpeedandPressure
♦PumpShutDown
NOTICE NOTICE
NOTICE
Donotexposetheairmotortotemperatures
higherthan120°F(49°C)ortheimmersed󻉔uid
pumptotemperatureshigherthan250°F(121°C).
Excessivetemperaturesmaydamagethepump
packingsandseals
Pressure Pressure
PressureRelief Relief ReliefProcedure Procedure Procedure
Trappedaircancausethepumptocycle
unexpectedly,whichcouldresultinseriousinjury
frominjection,splashingormovingparts.Relieve
pressurewhenyoustoppumpingandbefore
cleaning,checking,orservicingequipment.
1.Shutofftheairsupplytothepump.
2.Closethebleed-typemasterairvalve(required
insystem).
3.Openthe󻉔uidballvalveand/ordispensingvalve
torelieve󻉔uidpressure.
Flush Flush
FlushBefore Before BeforeFirst First FirstUse Use Use
Thesanitarypumpwasassembledusingsanitary
lubricantonmovingpartsandwastestedin
water.Flushthepumpthoroughlywithan
appropriatecleaningsolutionordisassembleand
sanitizethepartsbeforeusingthepump.See
FlushingProcedure,page9.Checknational,state,
andlocalcodesforspeci󻉓climitations.
Adjusting Adjusting
Adjustingthe the thePump Pump PumpSpeed Speed Speedand and and
Pressure Pressure
Pressure
Setpressureregulatorto0psi.Openthebleed-type
masterairvalve.Adjustthepumpairregulatoruntil
thepumpisrunningsmoothly.
Allowthepumptocycleslowlyuntilallairispushed
outofthelines(the󻉔uidwill󻉔owinasteadystream
fromthe󻉔uidoutlet)andthepumpisprimed.
Withtheairsupplyturnedon,thepumpwillstart
whenthedispensingvalveisopenedandstall
againstpressurewhenthevalveisclosed.Ina
circulatingsystem,thepumpoperatesuntiltheair
supplyisturnedoff.
NOTICE NOTICE
NOTICE
Neverallowthepumptorundryof󻉔uid.Adry
pumpwillacceleratetoahighspeed,possibly
damagingitself.
Ifthepumpacceleratesquickly,orisrunningtoo
fast,stopthepumpimmediatelyandcheckthe󻉔uid
supply.Ifthesupplyisemptyandairhasbeen
pumpedintothelines,re󻉓llthecontainerandprime
thepumpandlineswith󻉔uid.Besuretoeliminateall
airfromthesystem.
Pump Pump
PumpShut Shut ShutDown Down Down
FollowthePressureReliefProcedure,page8.
Alwaysstopthepumpatthebottomofitsstroketo
prevent󻉔uidfromdryingonthedisplacementrod.
(Theairmotorwillexhaustatthebottomortopof
thestroke.)
83A0733C

Maintenance Maintenance
Maintenance
TopicsCoveredinthisChapter
♦FlushingProcedure
♦Cleaning
♦TightenThreadedConnections
Flushing Flushing
FlushingProcedure Procedure Procedure
Note: Note:
Note:
•Flushbefore󻉔uidcandryintheequipment,atthe
endoftheday,beforestoring,andbeforerepairing
equipment.
•Flushatthelowestpressurepossible.Check
connectorsforleaksandtightenasnecessary.
•Flushwithanappropriatecleaningsolution.
1.Removethepumpfromthe󻉔uidcontainer.
Operateittopumpoutasmuch󻉔uidaspossible.
2.FollowPressureReliefProcedure,page8.
3.Placesiphontubeingroundedmetalpail
containinganappropriatecleaningsolution.
4.Setpumpairregulatortolowestpossible󻉔uid
pressure,andstartpump.
5.Runthepumplongenoughtothoroughlyclean
thepumpandhoses.
6.FollowPressureReliefProcedure,page8.
Cleaning Cleaning
Cleaning
•Be Be
Besure sure suretofollowyournationalandstatesanitary
standardcodesandlocalregulations.
•Useappropriatecleaninganddisinfectingagents,
atintervalsappropriateforproductprocessed.
•Followcleaningproductmanufacturer’s
instructions.
Note: Note:
Note:Thepumpmust must mustbe be bedisassembled disassembled disassembledtothoroughly
cleanit.
1.Removethepumpfromthe󻉔uidcontainer.
Operateittopumpoutasmuch󻉔uidaspossible.
2.Flushthesystemthoroughlywithan
appropriatecleaningsolution.See
FlushingProcedure,page9.
3.FollowthePressureReliefProcedure,page8.
4.Removetheairand󻉔uidhosesand󻉓ttingsfrom
thepump.
5.Ram-Mounted Ram-Mounted
Ram-MountedPumps: Pumps: Pumps:Loosenthehandscrew
andlifttheuppershieldstraightupontherod.
Other Other
OtherPumps: Pumps: Pumps:Removetheuppershield.
6.Cleanthoroughlythesurfacebetweentheupper
andlowershields.
7.Disassemblethe󻉔uidpumpandaccessories.
SeeDisassemblethePump,page12or
DoubleBallService,page14.
8.Washallpumppartswithanappropriatecleaning
solutionatthecleaningproductmanufacturer’s
recommendedtemperatureandconcentration.
9.Rinseallpumppartsagainwithwaterandallow
themtodry.
10.Inspectallpumppartsandrecleanifneeded.
Note Note
Note
Anydamagedrubberpartsmust must
must
bereplacedastheycouldharbor
microorganismsthatcancontaminate
the󻉔uid.
11.Immerseallpumppartsinanappropriate
sanitizerbeforeassembly.Takethepumpparts
outofthesanitizerone-by-oneasneeded.
12.Lubricatethemovingpumppartsando-rings,
packings,andsealswithappropriatewaterproof
sanitarylubricant.
13.Circulatethesanitizingsolutionthroughthepump
andthesystempriortouse.
14.Ram-Mounted Ram-Mounted
Ram-MountedPumps: Pumps: Pumps:Cleanallramsurfaces.
Removeandcleanthein󻉔atablesealandram
plate.SeeManual3A0591.
Tighten Tighten
TightenThreaded Threaded ThreadedConnections Connections Connections
Beforeeachuse,checkallhosesforwearordamage.
Replaceasnecessary.Checkthatallconnections
aretightandleak-free.
3A0733C9

Notes Notes
Notes
103A0733C

Troubleshooting Troubleshooting
Troubleshooting
1.FollowPressureReliefProcedure,page8.
2.CheckallpossibleremediesintheTroubleshootingChartbeforedisassemblingthepump.
Problem Problem
ProblemCause Cause
CauseSolution Solution Solution
Restrictedairlineorinadequateair
supply.
Clearairlineorincreaseairsupply.
Insuf󻉓cientairpressure;closedor
cloggedairvalves,etc.
Openorcleanairvalves,etc.
Exhausted󻉔uidsupply.Re󻉓ll󻉔uidsupply.
Pumpfailstooperate.
Damagedairmotor.Service.
Restrictedairlineorinadequateair
supply.
Clearairlineorincreaseairsupply.
Insuf󻉓cientairpressure;closedor
cloggedairvalves,etc.
Openorcleanairvalves,etc.
Exhausted󻉔uidsupply.Re󻉓ll󻉔uidsupply.
Obstructed󻉔uidline,valves,
dispensingvalve,etc.
Clear.Relievepressureand
disconnect󻉔uidline.Turnonair.If
pumpstarts,the󻉔uidlineisclogged.
Wornthroatpacking(105).Replacethroatpacking.
Pumpoperates,butoutputlowon
bothstrokes.
Damagedcylindero-ring(104).Replaceo-ring.
Heldopenorworn󻉔uidinletvalve.Clearorservice󻉔uidinletvalve.
Pumpoperates,butoutputlowon
downstroke.Damagedcylindero-ring(104).Replaceo-ring.
Pumpoperates,butoutputlowon
upstroke.
Heldopenorworn󻉔uidpistonor
seal(120).
Clearorservice󻉔uidpistonorseal.
Exhausted󻉔uidsupply.Re󻉓ll󻉔uidsupply.
Heldopenorworn󻉔uidinletvalve.Clearorservice󻉔uidinletvalve.
Erraticoracceleratedoperation.
Heldopenorworn󻉔uidpistonor
seal(120).
Clearorservice󻉔uidpistonorseal.
3A0733C11

Priming Priming
PrimingPiston Piston PistonService Service Service
TopicsCoveredinthisChapter
♦DisconnectthePump
♦DisassemblethePump
♦ReassembleAfterCleaning
Disconnect Disconnect
Disconnectthe the thePump Pump Pump
Movingpartscanpinch,cutoramputate󻉓ngers
andotherbodyparts.Keepyourhandsand󻉓ngers
awayfromtheprimingpistonduringoperationand
wheneverthepumpischargedwithair.
1.Removethepumpfromthe󻉔uidcontainer.
Operateittopumpoutasmuch󻉔uidaspossible.
2.FollowthePressureReliefProcedure,page8.
3.Ram-mounted Ram-mounted
Ram-mountedpumps: pumps: pumps:Removethethreeclamps
(C)holdingthepumptotheramplate.Raiseram
toliftpump.
C
C
C
ti16567a
Figure2Removetheclamps.
4.Removethe󻉔uidhosesfromthepump.
5.Releasetheupperclamp(123)holdingthe
displacementpumptothetierodplate(122).
6.Slidethepumpdownfromtheairmotor.Pullthe
displacementrod(117)outofthecoupler(C).
Removethegasket(102).
Note: Note:
Note:Becarefulnottoscratchthedisplacement
rod.
C
123
122
102
117
ti15719a
Figure3Removedisplacementpump.
Disassemble Disassemble
Disassemblethe the thePump Pump Pump
Note:PumpRepairKit24G550isavailable.Purchase
thekitseparately.Seekitpartsdrawing,page18.Kit
partsaremarkedwithan*.
1.Removetheretainingpin(116)fromthe
connectingrod(109).Slideofftheprimingpiston
(108).
2.Releasethelowerclamp(123)toremovethe
intakevalvehousing(107)fromthepump
cylinder(101).Removethegasket(102).
3.Removethepoppet(114),spring(113),and
valvestop(111)offtheconnectingrod(109).
4.Removethebearing(112)fromthecenterofthe
valvestop(111).
5.Removethepackings(115)fromthecenterof
thepoppet(114).
123A0733C

123
115 107
108
116
102
114
112
113
111
109
101
ti15639a
Figure4Removeprimingpiston.
6.SeeFig5.Pushthedisplacementrod(117)out
throughthebottomofthecylinder(101).
7.Removetheretainingpin(118),o-ring(119),and
ball(110).Pulltheconnectingrod(109)fromthe
displacementrod(117).Removetheseal(120).
ti15641a
117
120
110
109
118 119
Figure5Disassemblepistonvalve.
8.Removethepackinghousing(103)fromthetop
ofthecylinder(101).Removethebearing(106),
packing(105),ando-ring(104).
9.Cleanandinspectallparts.Referto
Cleaning,page9.Replacethepartsas
necessary.
106
104
105
103
101
117 ti15640a
Figure6Removepackinghousing.
Reassemble Reassemble
ReassembleAfter After AfterCleaning Cleaning Cleaning
Note: Note:
Note:Anydamagedpartsmust must mustbereplaced.
Note: Note:
Note:Lubricatetheo-rings,throatpackings,and
pistonsealswithwaterproofappropriatesanitary
lubricant.
1.Installthev-blockpacking(105*)andbearing
(106*)inthepackinghousing(103).Thelipsof
thepackingmustfacedownintothehousing,
andthelipofthebearingmustfaceup.Install
theo-ring(104*)ontheoutsideofthehousing.
2.Installtheseal(120*)onthepistonvalvehousing
atthetopoftheconnectingrod(109).Place
theball(110)ontheseatofthehousing.Install
thedisplacementrod(117)overthetopofthe
connectingrodsotheholesinbothpartsalign.
Securewiththeretainingpin(118)ando-ring
(119*).
3.Lubricateandplacethepackinghousing(103)in
thetopofthecylinder.
4.Lubricateandslidethedisplacementrod(117)
upthroughthecylindersoitprotrudesfromthe
packinghousing(103).Model24G746only:
Makesurethedripshield(121)isinplaceonthe
cylinder(101).
5.Lubricateandinstallthepackings(115*)intothe
centerofthepoppet(114).
6.Lubricateandinstallthebearing(112*)intothe
centerofthevalvestop(111).
7.Slidethevalvestop(111),spring(113*),and
poppet(114)ontotheconnectingrod(109).
8.Installthegasket(102*)andtheintakevalve
housing(107).Securethehousing(107)tothe
cylinder(101)withtheclamp(123).
9.Installtheprimingpiston(108)andretainingpin
(116)ontheconnectingrod(109).
10.Slidethedisplacementrod(117)intothecoupler.
Then,attachtheclamp(123)toholdthepump
tothemotorbase.
3A0733C13

Double Double
DoubleBall Ball BallService Service Service
TopicsCoveredinthisChapter
♦DisconnectthePump
♦DisassemblethePump
♦ReassembleAfterCleaning
Disconnect Disconnect
Disconnectthe the thePump Pump Pump
1.Removethepumpfromthe󻉔uidcontainer.
Operateittopumpoutasmuch󻉔uidaspossible.
2.FollowthePressure Pressure
PressureRelief Relief ReliefProcedure Procedure Procedure,page8.
3.Ram-mounted Ram-mounted
Ram-mountedpumps: pumps: pumps:Removethethreeclamps
holdingthepumptotheramplate.Raiseram
tolift.
ti16555a
C
C
C
Figure7Removetheclamps.
4.Removethe󻉔uidhosesfromthepump.
5.Releasetheclamp(123)holdingthe
displacementpumptothetierodplate(122).
6.Slidethepumpdownfromtheairmotor.Pullthe
displacementrod(117)outofthecoupler(C).
Removethegasket(102).
Note: Note:
Note:Becarefulnottoscratchthedisplacement
rod.
7.Carrythedisplacementpumptothebenchfor
service.
123
102
117
C
122
ti15720a
Flange for
Ram Mounting
Figure8Removedisplacementpump.
143A0733C

Disassemble Disassemble
Disassemblethe the thePump Pump Pump
Note: Note:
Note:PumpRepairKitsareavailable.Purchase
thekitseparately.SeethePartslistforyour
displacementpumponpages18and20toselect
thecorrectkitforyourdisplacementpump.Kitparts
aremarkedwithan*.
1.Displacement Displacement
DisplacementPump Pump PumpModels Models Models24G748, 24G748, 24G748,24G749, 24G749, 24G749,
24G750, 24G750,
24G750,and and and24G753: 24G753: 24G753:Removethetwoo-rings
(119)andtheretainingpin(127)fromtheinlet
valvehousing(107).Seethepartsdrawingon
page20.
Displacement Displacement
DisplacementPump Pump PumpModels Models Models24G752 24G752 24G752and and and
24G751: 24G751:
24G751:Removetheclamp(123)andgasket
(102),thenremovetheadapter(129).Seethe
partsdrawingonpage19.
2.Removeanddisassembletheinletvalve
assembly.Cleanandinspecttheparts.
3.Pushthedisplacementrod(117)outthroughthe
bottomofthecylinder(101).Removethepiston
housing(124)byremovingtheretainingpin(118)
andtheo-ring(119)andpullingthepistonfrom
thedisplacementrod.Disassemble,cleanand
inspecttheparts.
4.Takethepackinghousing(103)offofthecylinder
(101)andremovethebearing(106),packing
(105),ando-ring(104).
5.Cleanandinspectallparts.Referto
Cleaning, Cleaning,
Cleaning,page page page9 9 9.Replacethepartsas
necessary.
Reassemble Reassemble
ReassembleAfter After AfterCleaning Cleaning Cleaning
Note: Note:
Note:Anydamagedrubberpartsmust must mustbereplaced
astheycouldharbormicroorganismsthatcan
contaminatethe󻉔uid.
Note: Note:
Note:Lubricatetheo-rings,throatpackings,and
pistonsealswithwaterproofappropriatesanitary
lubricant.
1.Displacement Displacement
DisplacementPump Pump PumpModels Models Models24G748, 24G748, 24G748,24G749, 24G749, 24G749,
24G750, 24G750,
24G750,and and and24G752: 24G752: 24G752:Lubricateandinstallthe
pistonseal(120*)onthepistonhousing(124).
Displacement Displacement
DisplacementPump Pump PumpModels Models Models24G751 24G751 24G751and and and
24G753: 24G753:
24G753:Lubricateandinstallthepistonu-cup
(128*)onthepistonhousing(124).Thelipsof
theu-cupmustfaceup.Installthespacer(120*)
withitslipfacingdown.
2.Placetheball(110)ontheseatofthepiston
housing(124).Installthehousinginthe
displacementrod(117)sotheholesinbothparts
align.Securewiththeretainingpin(118)and
oneo-ring(119*).
3.Installtheu-cuppacking(105*)andthroat
bearing(106*)inthethroatpackinghousing
(103).Thelipsoftheu-cupmustfacedowninto
thehousing,andthelipofthebearingmustface
up.Installtheo-ring(104*)ontheoutsideofthe
housing.
4.Lubricateandinstallthethroatpackinghousing
(103)inthetopofthecylinder(101).
5.Lubricateandslidethedisplacementrod(117)
upthroughthecylinder(101)soitprotrudesfrom
thetop.
6.Installtheo-ring(104*)ontheintakevalve
housing(107).Placetheball(125)ontheseat
ofthehousing(107),andinstalltheballstoppin
(126)inthetopholesofthehousing.
7.Displacement Displacement
DisplacementPump Pump PumpModels Models Models24G748, 24G748, 24G748,24G749, 24G749, 24G749,
24G750, 24G750,
24G750,and and and24G753: 24G753: 24G753:Lubricateandslidethe
intakevalvehousing(107)upintothecylinder
(101)untilthebottomholesofthehousingalign
withtheholesinthecylinder.Secureusingthe
retainingpin(118)andtwoo-rings(119*).
Displacement Displacement
DisplacementPump Pump PumpModels Models Models24G752 24G752 24G752and and and
24G751: 24G751:
24G751:Lubricateandslidetheintakevalve
housing(107)upintothecylinder(101).Install
thegasket(102*),adapter(129),andclamp
(123).
3A0733C15

Parts Parts
Parts
20 11 14
13
12
6
21
8
7
4
5
2
3
18
20
19
1
3
1
2
Apply PTFE tape to threads.
Hand tighten only.
Apply sanitary lubricant
to ease assembly.
ti16015a
21
10
23
22
1
2
2
3
Complete Pump Models
24E836, 24E837, 24E838
24E839, 24E840, 24F942,
24G739, and 24G740
21 3
8
163A0733C

Complete Complete
CompletePump Pump PumpModels Models Models24E836, 24E836, 24E836,24E837, 24E837, 24E837,24E838, 24E838, 24E838,24E839, 24E839, 24E839,24E840, 24E840, 24E840,24F942, 24F942, 24F942,
24G739, 24G739,
24G739,and and and24G740 24G740 24G740
Ref. Ref.
Ref.Part Part
PartDescription Description
DescriptionQty. Qty.
Qty.
124G785MOTOR,SaniForce;3.5in;
seemanual3A1211
1
2DISPLACEMENTPUMP1
24G747UsedonPumpModel
24G739;seepage18
24G748UsedonPumpModel
24G740;seepage20
24G746UsedonPumpModel
24E836;seepage18
24G751UsedonPumpModel
24E837;seepage22
24G752UsedonPumpModel
24E838;seepage22
24G753UsedonPumpModel
24E839;seepage20
24G749UsedonPumpModel
24E840;seepage20
24G750UsedonPumpModel
24F942;seepage20
316A938COUPLER1
416A947TIEROD,7in.(178mm)
betweenshoulders
3
5102216NUT,lock,5/8-11,sst3
616G464SHIELD,upper;includes
grommets(Ref.21)
1
716G465SHIELD,lower;includes
fasteners(Ref.8)and
grommets(Ref.21)
1
8118134SCREW,cap;M8x1.25,sst4
1024G862FITTING,airinlet,1/2npt,
includesRef.23
1
Ref. Ref.
Ref.Part Part
PartDescription Description
DescriptionQty. Qty.
Qty.
1116C946FITTING,3/4npt1
12158776O-RING1
1316C306NUT,hand1
14‡16C009RING,lift1
15▲280574LABEL,warning,notshown1
16‡102218CLAMP,toggle,󻉔uidoutlet;
notshown
1
17‡
166130
680454
GASKET,󻉔uidoutlet;not
shown
Buna-N,usedonpump
models24E836,24E838,
24E840,and24F942
PTFE,usedonpumpmodels
24E837and24E839
1
18‡512914MUFFLER;
see Kits Kits
Kits
1
19‡—HOSE,exhaust,notincluded
onModel24E839;
see Kits Kits
Kits
1
20‡101818CLAMP,hose,notincluded
onModel24E839; see Kits Kits
Kits
2
21—GROMMET;
see Kits Kits
Kits
6
2216G084FITTING,airinlet,1/2npt1
23166702O-RING,airinlet,included
withRef.10
1
▲ReplacementDangerandWarninglabels,tags,and
cardsareavailableatnocost.
‡ Used on Models 24E836, 24E837, 24E838, 24E839,
24E840, and 24F942 only. These parts are not used
with Models 24G739 and 24G740.
Kits Kits
Kits
Muf󻉔er Muf󻉔er
Muf󻉔erKit Kit Kit16G390 16G390 16G390
Ref. Ref.
Ref.Part Part
PartDescription Description DescriptionQty. Qty.
Qty.
18512914MUFFLER,polyethylene2
Exhaust Exhaust
ExhaustAssembly Assembly AssemblyKit Kit Kit16G389 16G389 16G389
Ref. Ref.
Ref.Part Part
PartDescription Description DescriptionQty.
18512914MUFFLER,polyethylene1
19—HOSE,exhaust,6ft.1
20101818CLAMP,hose2
Grommet Grommet
GrommetKit Kit Kit16G628 16G628 16G628
Ref. Ref.
Ref.Part Part
PartDescription Description DescriptionQty. Qty.
Qty.
21—GROMMET,airmotorrod1
—GROMMET,air󻉓tting2
—GROMMET,tierod3
Shield Shield
ShieldFastener Fastener FastenerKit Kit Kit16G432 16G432 16G432
Ref. Ref.
Ref.Part Part
PartDescription Description DescriptionQty. Qty.
Qty.
8118134SCREW,cap,M8x1.25,
sst
4
3A0733C17

Priming Priming
PrimingPiston Piston PistonDisplacement Displacement DisplacementPump Pump PumpModels Models Models24G747 24G747 24G747and and and24G746 24G746 24G746
122
123
*102
*106
103
*105
*104
101
101
117
119*
118
110
120*
109
111
112*
102*
123
107
108
116
107
*115
*113
121
ti16157a
114
(24G747)
(24G746)
(24G747)
(24G746)
183A0733C

Priming Priming
PrimingPiston Piston PistonDisplacement Displacement DisplacementPump Pump PumpModels Models Models24G747 24G747 24G747and and and24G746 24G746 24G746
Ref. Ref.
Ref.Part Part
PartDescription Description
DescriptionQty. Qty.
Qty.
101902980CYLINDER,pump1
102*166117GASKET,21/2in.(64mm),
buna-n
2
103180918HOUSING,packing1
104*166119O-RING,neoprene1
105*180238V-PACKING,buna-n1
106*180919BEARING,sleeve1
107HOUSING,inletvalve1
16C193Model24G747
195213Model24G746
108195214PISTON,priming1
10916C195ROD,connecting1
110103462BALL,3/4in.(19mm)1
111195215STOP,inletvalve1
112*604016BEARING,primingpiston1
113*501095SPRING,ballcheck1
Ref. Ref.
Ref.Part Part
PartDescription Description
DescriptionQty. Qty.
Qty.
114604018POPPET,inletvalve1
115*603778PACKING,inletvalve,
neoprene
2
116604008PIN,retaining,primingpiston1
117902983ROD,displacement1
118169845PIN,retainer1
119*167972O-RING,nitrilerubber1
120*167971SEAL,piston,neoprene1
121166129SHIELD,drip;Model24G746
only
1
12216A945PLATE,tierod1
123620223CLAMP,21/2in.(64mm)2
130172687TAG,Instruction,notshown1
* Parts included in Repair Kit 24G550.
3A0733C19

Double-Ball Double-Ball
Double-BallDisplacement Displacement DisplacementPump Pump PumpModels Models Models24G748, 24G748, 24G748,24G749, 24G749, 24G749,24G753, 24G753, 24G753,
and and
and24G750 24G750 24G750
122
123
*102
*106
*105
103
*104
101
(24G749,
24G750,
24G753)
101 (24G748)
121
Piston
Assy
(24G748,
24G749,
24G750)
126
*119
127
107
104*
125
118
124
*120
110 119*
110
120*
128*
119*
118
124
Piston
Assy
(24G753)
117
ti16158a
Flange for
Ram Mounting
203A0733C