Graco 25M912 Parts list manual

InstructionsandParts
SaniForce™ SaniForce™
SaniForce™6:1 6:1 6:1Sanitary Sanitary SanitaryPumps Pumps Pumps3A5564D
EN
Specially Specially
Speciallydesigned designed designedfor for foruse use useonly only onlyin in inGraco Graco GracoSaniForce SaniForce SaniForcepail pail pailor or ordrum drum drumunloader unloader unloadersystems. systems. systems.For For Forprofessional professional professionaluse use use
only. only.
only.
Important Important
ImportantSafety Safety SafetyInstructions Instructions Instructions
Readallwarningsandinstructionsinthismanualandinrelated
systemmanuals.Save Save
Saveall all allinstructions. instructions. instructions.
MaximumWorkingAirPressure:100
psi(0.7MPa,6.9bar)
MaximumWorkingFluidPressure:650
psi(4.5MPa,44.8bar)
PROVENQUALITY.LEADINGTECHNOLOGY.

Contents Contents
Contents
Models...............................................................2
RelatedManuals................................................2
Usage................................................................3
CleaningPreparation..........................................3
CleaningtheAirMotor........................................3
PrimingPistonDisplacementPump
Cleaning...............................................4
DisconnectthePump...................................4
DisassemblethePump.................................4
ReassembleAfterCleaning..........................5
DoubleBallPumpCleaning.................................6
DisconnectthePump...................................6
DisassemblethePump.................................6
ReassembleAfterCleaning..........................7
Parts..................................................................8
Kits....................................................................9
PrimingPistonDisplacementPump.....................10
DoubleBallDisplacementPump..........................12
ProductDimensions............................................14
Performancechart..............................................15
TechnicalData...................................................16
GracoStandardWarranty....................................18
Models Models
Models
PumpModelPumpLower
Replacement
PumpTypeApprovals
25M91225M906
25M912C31———
PrimingPistonPump
25N00725N003
25N007C31———
DoubleBallPump
25U790
25U793DoubleBallPump,
Stubby
EC1935/2004
Related Related
RelatedManuals Manuals Manuals
ManualNumberTitle
3A5400SaniForcePailUnloader(SPU)System,Operation
3A5401SaniForcePailUnloader(SPU)System,Repair/Parts
3A5402SaniForceDrumUnloader,Operation
3A5404SaniForceDrumUnloader,Parts
3A1211SaniForceAirMotors
23A5564D

Usage
Usage Usage
Usage
ThispumpmustbeusedaspartofaSaniForcepail
ordrumunloadersystem.Refertotheappropriate
systemmanualsforoperationinstructionsofthis
pumpwheninstalledinthosesystems.
Cleaning Cleaning
CleaningPreparation Preparation Preparation
WARNING WARNING
WARNING
PRESSURIZED PRESSURIZED
PRESSURIZEDFLUID FLUID FLUIDHAZARD HAZARD HAZARD
Thisequipmentstayspressurizeduntilpressure
isrelievedmanually.Tohelppreventserious
injuryfrommovingparts,orfrompressurized󰘱uid,
suchasskininjection,splashingintheeyesoron
skin,followthePressureReliefProcedureinyour
systemmanualwhenyoustoppumpingandbefore
youclean,check,orservicetheequipment.
PERSONAL PERSONAL
PERSONALPROTECTIVE PROTECTIVE PROTECTIVEEQUIPMENT EQUIPMENT EQUIPMENT
Wearappropriateprotectiveequipmentwhen
intheworkareatohelppreventseriousinjury,
includingeyeinjury,hearingloss,orinhalationof
toxicfumes.
Thisprocedureinvolvesthoroughlydisassembling
andcleaningtheindividualpartsinthepumplower.
Priortoperformingtheseprocedures:
1.Flushthepumpandrelievepressureas
describedinthesystemmanuals.
2.Disconnectallhoses.
3.Removethepumpfromthesystem.
Notes: Notes:
Notes:
•Be Be
Besure sure suretofollowyournationalandstatesanitary
standardcodesandlocalregulations.
•Useappropriatecleaninganddisinfectingagents,
atintervalsappropriateforproductprocessed.
•Followcleaningproductmanufacturer’s
instructions.
Cleaning Cleaning
Cleaningthe the theAir Air AirMotor Motor Motor
1.PerformCleaningPreparation,page3.
2.Removeairmotorairsupplyandexhaust󰘰ttings
(11,22).
3.Loosenthehandscrew(13)andremovethe
uppershield(6).
4.Cleanthoroughlythesurfacebetweentheupper
andlowershields.Replaceuppershield,hand
nut,andair󰘰ttings.
5.Reassembletheairmotor
6.Cleanthepumplower.SeePrimingPiston
DisplacementPumpCleaning,page4or
DoubleBallPumpCleaning,page6.as
applicableforyourmodel.
3A5564D3

PrimingPistonDisplacementPumpCleaning
Priming Priming
PrimingPiston Piston Piston
Displacement Displacement
DisplacementPump Pump Pump
Cleaning Cleaning
Cleaning
Disconnect Disconnect
Disconnectthe the thePump Pump Pump
WARNING WARNING
WARNING
PRESSURIZED PRESSURIZED
PRESSURIZEDFLUID FLUID FLUIDHAZARD HAZARD HAZARD
Thisequipmentstayspressurizeduntilpressureis
relievedmanually.Tohelppreventseriousinjury
frommovingparts,orfrompressurized󰘱uid,such
assplashingintheeyesoronskin,followthe
PressureReliefProcedureinyoursystemmanual
whenyoustoppumpingandbeforeyouclean,
check,orservicetheequipment.
PERSONAL PERSONAL
PERSONALPROTECTIVE PROTECTIVE PROTECTIVEEQUIPMENT EQUIPMENT EQUIPMENT
Wearappropriateprotectiveequipmentwhen
intheworkareatohelppreventseriousinjury,
includingeyeinjury,hearingloss,orinhalationof
toxicfumes.
Thisprocedureinvolvesthoroughlydisassembling
andcleaningtheindividualpartsinthepumplower
unit.Priortoperformingthisprocedure,󰘱ushthe
pumpandrelievepressureasdescribedinthe
systemmanuals,disconnectallhoses,andremove
thepumpfromthesystem.
1.Releasetheupperclamp(123)holdingthe
displacementpumptothetierodplate(122).
2.Slidethepumpdownfromtheairmotor.Tiltthe
pumpandpullthedisplacementrod(117)outof
thecoupler(C).Removethegasket(102).
Note: Note:
Note:Becarefulnottoscratchthedisplacement
rod.
Figure1Removedisplacementpump.
Disassemble Disassemble
Disassemblethe the thePump Pump Pump
Note:PumpRepairKit24G550isavailable.
Purchasethekitseparately.Kitpartsare
markedwithan*inthepartssection.See
PrimingPistonDisplacementPump,page10.
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).
Figure2Removeprimingpiston.
6.Pushthedisplacementrod(117)outthroughthe
bottomofthecylinder(101).
43A5564D

PrimingPistonDisplacementPumpCleaning
7.Removetheretainingpin(118),o-ring(119),and
ball(110).Pulltheconnectingrod(109)fromthe
displacementrod(117).Removetheseal(120).
Figure3Disassemblepistonvalve.
8.Removethepackinghousing(103)fromthetop
ofthecylinder(101).Removethebearing(106),
packing(105),ando-ring(104).
9.Cleanandinspectallparts.Referto
CleaningtheAirMotor,page3.Replacethe
partsasnecessary.
Figure4Removepackinghousing.
Reassemble Reassemble
ReassembleAfter After AfterCleaning Cleaning Cleaning
Note: Note:
Note:Anydamagedpartsmust must mustbereplaced.
Note: Note:
Note:Lubricatetheo-rings,throatpackings,and
pistonsealswithappropriatewaterproofsanitary
lubricant.
1.Washallpumppartswithanappropriatecleaning
solutionatthecleaningproductmanufacturer’s
recommendedtemperatureandconcentration.
2.Rinseallpumppartsagainwithwaterandallow
themtodry.
3.Inspectallpumppartsandrecleanifneeded.
4.Immerseallpumppartsinanappropriate
sanitizerbeforeassembly.Takethepumpparts
outofthesanitizerone-by-oneasneeded.
5.Installthev-blockpacking(105)andbearing
(106)inthepackinghousing(103).Thelipsof
thepackingmustfacedownintothehousing,
andthelipofthebearingmustfaceup.Install
theo-ring(104)ontheoutsideofthehousing.
6.Installtheseal(120)onthepistonvalvehousing
atthetopoftheconnectingrod(109).Place
theball(110)ontheseatofthehousing.Install
thedisplacementrod(117)overthetopofthe
connectingrodsotheholesinbothpartsalign.
Securewiththeretainingpin(118)ando-ring
(119).
7.Lubricateandplacethepackinghousing(103)in
thetopofthecylinder.
8.Lubricateandslidethedisplacementrod(117)
upthroughthecylindersoitprotrudesfromthe
packinghousing(103).
9.Lubricateandinstallthepackings(115)intothe
centerofthepoppet(114).
10.Lubricateandinstallthebearing(112)intothe
centerofthevalvestop(111).
11.Slidethevalvestop(111),spring(113),and
poppet(114)ontotheconnectingrod(109).
12.Installthegasket(102)andtheintakevalve
housing(107).Securethehousing(107)tothe
cylinder(101)withtheclamp(123).
13.Installtheprimingpiston(108)andretainingpin
(116)ontheconnectingrod(109).
14.Slidethedisplacementrod(117)intothecoupler.
Then,attachtheclamp(123)toholdthepump
tothemotorbase.
3A5564D5

DoubleBallPumpCleaning
Double Double
DoubleBall Ball BallPump Pump Pump
Cleaning Cleaning
Cleaning
Disconnect Disconnect
Disconnectthe the thePump Pump Pump
WARNING WARNING
WARNING
PRESSURIZED PRESSURIZED
PRESSURIZEDFLUID FLUID FLUIDHAZARD HAZARD HAZARD
Thisequipmentstayspressurizeduntilpressureis
relievedmanually.Tohelppreventseriousinjury
frommovingparts,orfrompressurized󰘱uid,such
assplashingintheeyesoronskin,followthe
PressureReliefProcedureinyoursystemmanual
whenyoustoppumpingandbeforeyouclean,
check,orservicetheequipment.
PERSONAL PERSONAL
PERSONALPROTECTIVE PROTECTIVE PROTECTIVEEQUIPMENT EQUIPMENT EQUIPMENT
Wearappropriateprotectiveequipmentwhen
intheworkareatohelppreventseriousinjury,
includingeyeinjury,hearingloss,orinhalationof
toxicfumes.
Thisprocedureinvolvesthoroughlydisassembling
andcleaningtheindividualpartsinthepumplower
unit.Priortoperformingthisprocedure,󰘱ushthe
pumpandrelievepressureasdescribedinthe
systemmanuals,disconnectallhoses,andremove
thepumpfromthesystem.
1.Releasetheupperclamp(123)holdingthe
displacementpumptothetierodplate(122).
2.Slidethepumpdownfromtheairmotor.Tiltthe
pumpandpullthedisplacementrod(117)outof
thecoupler(C).Removethegasket(102).
Note: Note:
Note:Becarefulnottoscratchthedisplacement
rod.
Figure5Removedisplacementpump.
Disassemble Disassemble
Disassemblethe the thePump Pump Pump
1.For For
Forstubby stubby stubbypumps pumps pumpsonly: only: only:Removethefootvalve
housing(124).
2.Removeanddisassembletheinletvalve(114)
assembly.Cleanandinspecttheparts.
3.Pushthedisplacementrod(108)outthroughthe
bottomofthecylinder(106).Removethepiston
housing(109)byremovingtheretainingpin(116)
andthevalvestop(111)andpullingthepiston
fromthedisplacementrod.Disassemble,clean
andinspecttheparts.
4.Takethepackinghousing(103)offofthecylinder
(106)andremovethebearing(104),packing
(123),ando-ring(105).
5.Cleanandinspectallparts.Referto
CleaningPreparation,page3.Replacethe
partsasnecessary.
63A5564D

DoubleBallPumpCleaning
Reassemble Reassemble
ReassembleAfter After AfterCleaning Cleaning Cleaning
Note: Note:
Note:Anydamagedpartsmust must mustbereplacedasthey
couldharbormicroorganismsthatcancontaminate
the󰘱uid.
Note: Note:
Note:Lubricatetheo-rings,throatpackings,and
pistonsealswithappropriatewaterproofsanitary
lubricant.
1.Washallpumppartswithanappropriatecleaning
solutionatthecleaningproductmanufacturer’s
recommendedtemperatureandconcentration.
2.Rinseallpumppartsagainwithwaterandallow
themtodry.
3.Inspectallpumppartsandrecleanifneeded.
4.Immerseallpumppartsinanappropriate
sanitizerbeforeassembly.Takethepumpparts
outofthesanitizerone-by-oneasneeded.
5.Lubricateandinstallthepistonseal(120)onthe
pistonhousing(114).
6.Placetheball(113)ontheseatofthepiston
housing(114).Installthehousinginthe
displacementrod(108)sotheholesinbothparts
align.Securewiththeretainingpin(110)and
oneo-ring/retainingclip(111).
7.Installtheu-cuppacking(123)andthroatbearing
(104)inthethroatpackinghousing(103).The
lipsoftheu-cupmustfacedownintothehousing,
andthelipofthebearingmustfaceup.Install
theo-ring(105)ontheoutsideofthehousing.
8.Lubricateandinstallthethroatpackinghousing
(103)inthetopofthecylinder(106).
9.Lubricateandslidethedisplacementrod(108)
upthroughthecylinder(106)soitprotrudesfrom
thetop.
10.Installtheo-ring(105)ontheintakevalve
housing(114).Placetheball(117)ontheseat
ofthehousing(114),andinstalltheballstoppin
(116)inthetopholesofthehousing.
11.Lubricateandslidetheintakevalvehousing
(114)upintothecylinder(106)untilthebottom
holesofthehousingalignwiththeholesinthe
cylinder.Secureusingtheretainingpin(110)
andtwoo-rings/retainingclips(111).
3A5564D7

Parts
Parts Parts
Parts
1
ApplyPTFEtapetothreads.
4
Applymedium-strength(blue)threadlocker.
2
Handtightenonly.
5
Applyanappropriatemedium-strengththreadlockeron
thenut(13)everytimeitisinstalledtopreventitfrom
cominglooseduringoperation.Torqueto30-36ft-lb
(41–49N-m).Donotovertighten.
3
Applysanitarylubricanttoease
assembly.
83A5564D

Kits
Ref. Ref.
Ref.Part Part
PartDescription Description
DescriptionQty. Qty.
Qty.
124G785MOTOR,SaniForce;3.5in;seemanual3A12111
2DISPLACEMENTPUMP,type2.11
25M906Primingpiston
25N003Doubleball
25U790Doubleball,stubby
316A938COUPLER1
416A947TIEROD,7in.(178mm)betweenshoulders3
5102216NUT,lock,5/8-11,sst3
616G464SHIELD,upper;includesgrommets(Ref.21)1
716G465SHIELD,lower;includesfasteners(Ref.8)andgrommets(Ref.21)1
8118134SCREW,cap;M8x1.25,sst4
1024G862FITTING,airinlet,1/2npt,includesRef.231
1116C946FITTING,3/4npt1
12165053O-RING,PTFE1
1316C306NUT,hand1
15▲17W547LABEL,warning,notshown1
21—GROMMET;
seeKits Kits
Kits
6
2216G084FITTING,airinlet,1/2npt1
23166702O-RING,airinlet,buna-n,includedwithRef.101
▲ReplacementDangerandWarninglabels,tags,andcardsareavailableatnocost.
Kits Kits
Kits
Grommet Grommet
GrommetKit Kit Kit16G628 16G628 16G628
Ref. Ref.
Ref.Part Part
PartDescription Description DescriptionQty. Qty.
Qty.
21a*—GROMMET,airmotor
pistonrod
1
21b—GROMMET,air󰘰tting2
21c—GROMMET,tierod3
*OrderKit16H925forqty.3ofthepistonrodgrommet.
3A5564D9

PrimingPistonDisplacementPump
Priming Priming
PrimingPiston Piston PistonDisplacement Displacement DisplacementPump Pump Pump
103A5564D