Graco 25C536, 25C537, 25C538, 25C541, 25C540 Instructions - Parts Manual

Instructions/Parts

Stainless

Stainless Stainless
Agitators

Agitators Agitators

Radial

Radial Radial
coatings.

coatings. coatings.

100psig(0.7MPa,7bar)pressure
tankMaximumWorkingPressure,70
psig(0.5MPa,5bar)agitatorMaximum
RecommendedOperatingPressure
Seepage3formodelpartnumbersand
approvalsinformation.

piston

piston piston

For

For For

Important

Important Important

Readallwarningsandinstructionsinthismanualbeforeusingthe
equipment.Savetheseinstructions.

Steel,

Steel, Steel,
with

with with

air

driven

air air

driven driven

professional

professional professional

Safety

Safety Safety

Pressure

Pressure Pressure

agitators

agitators agitators

use

use use

Instructions

Instructions Instructions

Heavy

Heavy Heavy

Duty,

Duty, Duty,

Tank

Tank Tank

Air

Air Air

Driven

- --Driven Driven

3A4797B

EN

for

maintaining

for for

maintaining maintaining

only.

only. only.

suspension

suspension suspension

and

even

and and

mixing

even even

- --mixing mixing

industrial

in ininindustrial industrial

paints

paints paints

and

and and

PROVENQUALITY.LEADINGTECHNOLOGY.

Contents

Contents Contents

Models...............................................................2

Warnings...........................................................3

Installation..........................................................5

TypicalSystem............................................5

AirRegulatorandMuf󰘱ers............................6

Agitator.......................................................7

Grounding...................................................9

ConnectingHoses........................................9

AirLineFilter...............................................9

Operation...........................................................10

PreparingtheFluid.......................................10

FillingtheTank............................................10

OperatingtheAgitator..................................10

PressureReliefProcedure............................11

SafetyReliefValve.......................................11

Maintenance......................................................12

GreasingtheAirMotor.................................12

AirMotorMuf󰘱er..........................................12

CleaningtheShaft.......................................12

CleaningtheTank........................................12

Service..............................................................13

RemovingtheAirMotor................................13

InstallingtheAirMotor..................................13

ServicingtheAgitatorShaftand

Couplings.......................................14

InstallingtheMotorConversionKit................14

Parts..................................................................15

AllModels...................................................15

TankPartsforModels25C536,25C537,

25C538..........................................17

Accessories........................................................19

Strainer240418...........................................19

Buna-NAirSupplyHose...............................19

Low-PressureRegulatorConversionKit

235041..........................................19

High-PressureRegulatorConversionKit

236680..........................................19

AirRegulatorandFilter202660.....................19

GunAirRegulatorKit235042.......................19

PTFECoatedGasket117574.......................19

NylonFluidSupplyHose..............................19

BottomOutletKit236677..............................19

HeavyDutyAgitator.....................................19

C-clampReplacementKit111381.................19

AntistaticPolyethyleneTankLiners...............19

StainlessSteelAgitatorPaddle

186517..........................................19

Dimensions........................................................20

AirConsumption.................................................21

Notes................................................................22

TechnicalSpeci󰘰cations......................................23

CaliforniaProposition65...............................23

Models

Models Models

Agitators

Agitators Agitators

Agitators

Agitators Agitators

Motor

Motor Motor

with

Pressure

with with

Pressure Pressure

Part

No.

Part Part

No. No.

25C536

25C537

25C538

without

without without

Part

No.

Part Part

No. No.

25C539

25C540

25C541

Conversion

Conversion Conversion

HeavyDutyAgitator
withPressureTank,5Gallon

HeavyDutyAgitator
withPressureTank,10Gallon

HeavyDutyAgitator
withPressureTank,15Gallon

HeavyDutyAgitator
(tobeusedwitha5gallontank)

HeavyDutyAgitator
(tobeusedwitha10gallontank)

HeavyDutyAgitator
(tobeusedwitha15gallontank)

Tank

Tank Tank

Description

Description Description

ASME

ASME ASME

Pressure

Pressure Pressure

Kit

Kit Kit

Tank

Tank Tank

Description

Description Description

Approvals

Approvals Approvals

1/2

G

II IIII1/2 1/2

G G

Ex

IIB

T4

Ex Ex

2575

2575 2575

2575

2575 2575

h hhIIB IIB

IECEx

IECEx IECEx
ITS17ATEX1001809

ITS17ATEX1001809 ITS17ATEX1001809
0 00°C CC≤Tamb Tamb

Approvals

Approvals Approvals

Ex

Ex Ex

h hhIIB IIB

IECEx

IECEx IECEx
ITS17ATEX1001809

ITS17ATEX1001809 ITS17ATEX1001809
0 00°C CC≤Tamb Tamb

Ga/Gb

T4 T4

Ga/Gb Ga/Gb

ETL

17.0019

ETL ETL

17.0019 17.0019

Tamb

IIB

50

C

≤50 50

°C C

1/2

G

II IIII1/2 1/2

G G

T4

Ga/Gb

T4 T4

Ga/Gb Ga/Gb

ETL

17.0019

ETL ETL

17.0019 17.0019

Tamb

50

C

≤50 50

°C C

Part

No.

Part Part

No. No.

19A844Toconvertaheavydutyagitator

motorassemblywitharadialpiston
airmotorassembly.

2

Description

Description Description

Approvals

Approvals Approvals

Ex

IIB

T4

II IIII2 22G GGEx Ex

h hhIIB IIB

Gb

T4 T4

Gb Gb

3A4797B

Warnings

Warnings Warnings

Thefollowingwarningsareforthesetup,use,grounding,maintenance,andrepairofthisequipment.Theexclamation
pointsymbolalertsyoutoageneralwarningandthehazardsymbolsrefertoprocedure-speci󰘰crisks.Whenthese
symbolsappearinthebodyofthismanual,referbacktotheseWarnings.Product-speci󰘰chazardsymbolsand
warningsnotcoveredinthissectionmayappearthroughoutthebodyofthismanualwhereapplicable.

WARNING

WARNING WARNING

FIRE

AND

FIRE FIRE

Flammablefumes,suchassolventandpaintfumes,inwork work
solvent󰘱owingthroughtheequipmentcancausestaticsparking.Tohelpprevent󰘰reandexplosion:

•Useequipmentonlyinwellventilatedarea.

•Eliminateallignitionsources;suchaspilotlights,cigarettes,portableelectriclamps,andplastic
dropcloths(potentialstaticarc).

•Groundallequipmentintheworkarea.SeeGrounding Grounding

•Neversprayor󰘱ushsolventathighpressure.

•Keepworkareafreeofdebris,includingsolvent,ragsandgasoline.

•Donotplugorunplugpowercords,orturnpowerorlightswitchesonoroffwhen󰘱ammable
fumesarepresent.

•Useonlygroundedhoses.

•Holdgun󰘰rmlytosideofgroundedpailwhentriggeringintopail.Donotusepaillinersunlessthey
areantistaticorconductive.

Stop

•Stop Stop
youidentifyandcorrecttheproblem.

•Keepaworking󰘰reextinguisherintheworkarea.

MOVING

MOVING MOVING

EXPLOSION

AND AND

EXPLOSION EXPLOSION

operation

operation operation

PARTS

PARTS PARTS

immediately

immediately immediately

HAZARD

HAZARD HAZARD

HAZARD

HAZARD HAZARD

work

area

area area

canigniteorexplode.Paintor

Grounding

ifstaticsparkingoccursoryoufeelashock,Donotuseequipmentuntil

instructions.

Warnings

Movingpartscanpinch,cut,oramputate󰘰ngersandotherbodyparts.

•Keepclearofmovingparts.

•Donotoperateequipmentwithprotectiveguardsorcoversremoved.

•Donotwearlooseclothing,jewelry,orlonghairwhileoperatingequipment.

•Equipmentcanstartwithoutwarning.Beforechecking,moving,orservicingequipment,followthe
Pressure

Pressure Pressure

PRESSURIZED

PRESSURIZED PRESSURIZED

Fluidfromtheequipment,leaks,orrupturedcomponentscansplashintheeyesoronskinand
causeseriousinjury.

•FollowthePressure Pressure
checking,orservicingequipment.

•Tightenall󰘱uidconnectionsbeforeoperatingtheequipment.

•Checkhoses,tubes,andcouplingsdaily.Replacewornordamagedpartsimmediately.

Relief

Procedure

Relief Relief

Procedure Procedure

EQUIPMENT

EQUIPMENT EQUIPMENT

Pressure

anddisconnectallpowersources.

HAZARD

HAZARD HAZARD

Relief

Procedure

Relief Relief

Procedure Procedure

whenyoustopspraying/dispensingandbeforecleaning,

3A4797B3

Warnings

WARNING

WARNING WARNING

EQUIPMENT

EQUIPMENT EQUIPMENT
Misusecancausedeathorseriousinjury.

•Donotoperatetheunitwhenfatiguedorunderthein󰘱uenceofdrugsoralcohol.

•Donotexceedthemaximumworkingpressureortemperatureratingofthelowestratedsystem
component.SeeTechnical Technical

•Use󰘱uidsandsolventsthatarecompatiblewithequipmentwettedparts.SeeTechnical Technical
Speci󰘰cations

Speci󰘰cations Speci󰘰cations
completeinformationaboutyourmaterial,requestSDSfromdistributororretailer.

•Donotleavetheworkareawhileequipmentisenergizedorunderpressure.

•TurnoffallequipmentandfollowthePressure Pressure

•Checkequipmentdaily.Repairorreplacewornordamagedpartsimmediatelywithgenuine
manufacturer’sreplacementpartsonly.

•Donotalterormodifyequipment.Alterationsormodi󰘰cationsmayvoidagencyapprovalsand
createsafetyhazards.

•Makesureallequipmentisratedandapprovedfortheenvironmentinwhichyouareusingit.

•Useequipmentonlyforitsintendedpurpose.Callyourdistributorforinformation.

•Routehosesandcablesawayfromtraf󰘰careas,sharpedges,movingparts,andhotsurfaces.

•Donotkinkoroverbendhosesorusehosestopullequipment.

•Keepchildrenandanimalsawayfromworkarea.

•Complywithallapplicablesafetyregulations.

TOXIC

TOXIC TOXIC

MISUSE

MISUSE MISUSE

FLUID

FLUID FLUID

OR

OR OR

HAZARD

HAZARD HAZARD

Technical

inallequipmentmanuals.Read󰘱uidandsolventmanufacturer’swarnings.For

FUMES

FUMES FUMES

Speci󰘰cations

Speci󰘰cations Speci󰘰cations

HAZARD

HAZARD HAZARD

Pressure

inallequipmentmanuals.

Relief

Relief Relief

Technical

Procedure

Procedure Procedure

whenequipmentisnotinuse.

Toxic󰘱uidsorfumescancauseseriousinjuryordeathifsplashedintheeyesoronskin,inhaled,or
swallowed.

•ReadSafetyDataSheet(SDS)toknowthespeci󰘰chazardsofthe󰘱uidsyouareusing.

•Storehazardous󰘱uidinapprovedcontainers,anddisposeofitaccordingtoapplicableguidelines.

BURN

BURN BURN

Equipmentsurfacesand󰘱uidthatisheatedcanbecomeveryhotduringoperation.Toavoidsevere
burns:

•Donottouchhot󰘱uidorequipment.

PERSONAL

PERSONAL PERSONAL
Wearappropriateprotectiveequipmentwhenintheworkareatohelppreventseriousinjury,including
eyeinjury,hearingloss,inhalationoftoxicfumes,andburns.Protectiveequipmentincludesbut
isnotlimitedto:

•Protectiveeyewear,andhearingprotection.

•Respirators,protectiveclothing,andglovesasrecommendedbythe󰘱uidandsolventmanufacturer.

HAZARD

HAZARD HAZARD

PROTECTIVE

PROTECTIVE PROTECTIVE

EQUIPMENT

EQUIPMENT EQUIPMENT

4

3A4797B

Installation

Installation

Installation Installation

Typical

Typical Typical

Besurethatallaccessoriesareproperlyratedtowithstandthepressuresinthesystem.

NOTE:Throughoutthemanual,referencenumbersandlettersinparenthesesrefertonumbersandlettersin󰘰gures
andthepartsdrawings.

System

System System

Reference

Reference Reference

SH

SVAirShutoffvalve

GCWGroundclampandwire

AHAtomizingairhoseFVFluidoutletballvalve

FHFluidhoseTRTankairregulator

AG

AF

TTankAAAgitatorairinlethose

3A4797B5

Sold

Separately

Sold Sold

Separately Separately

AirsupplyhoseTHTankAirInletHose

AirspraygunAMAirmotor

Airinlet󰘰lter

Description

- --Description Description

Reference

Reference Reference

RV

BVAirinletballvalve

ARMotorairregulator

Included

Included Included

Safetyreliefvalve(farside)

Description

- --Description Description

Installation

Air

Regulator

Air Air

Regulator Regulator

Theairmotoriscapableofoperatinginaclockwise
orcounterclockwisedirection,dependingonwhere
theairregulatorismounted.Clockwisedirectionis
preferredforthisbladeorientation

•Whentheairregulatorisinstalledinoneofthe
twolowerportsonthemotor,aclockwiserotation
results,asviewedfromthetopofthemotor.

•Wheninstalledoneithersideinoneofthetwo
upperports,acounterclockwiserotationresults.

•Theportoppositetheregulatormustbeplugged
forthemotortooperate.

Theairregulator,muf󰘱ers,airgauge,nipple
connector,andswivelconnectorarenotfactory
installedonmodels25C539,25C540,and25C541.
Followthedirectionsbelowtoinstalltheseitems:

1.Screwtheswivelconnector(F)(seebelow)into

thedesiredport(upperorlower)inthemotor(K).

2.Screwthenippleconnector(G)intotheair

regulator(H)outlet.Notearrowdirectionson
theregulator.

and

Muf󰘱ers

and and

Muf󰘱ers Muf󰘱ers

3.Attachtheairregulatorbyscrewingitintothe
swivelconnector.

4.Installaplug(E)intheportoppositetheregulator
(thisisnecessaryformotoroperation).

5.Attachtheairgauge(J)byscrewingitintothe
holeinthetopoftheairregulator.

6.Installaplug(E)intheregulatorintheport
oppositetheairgauge.

7.Screwonemuf󰘱er(D)intothetopofthemotor.

8.Screwthesecondmuf󰘱erintotheopenporton
thefarsideofthemotorfromtheregulator.

9.Installthethirdmuf󰘱erintheopenportabove
orbelowtheregulator.Anadditional󰘰ttingmay
beneeded(notprovided)tospacetheregulator
fartherawayfromthemotor.

NOTE:Useofthethirdmuf󰘱erisnotnecessary,
butisbene󰘰cialforincreasedaircirculationin
humidconditions.Ifathirdmuf󰘱erisnotused,
theholemustbeplugged(E).

Clockwise

Clockwise Clockwise

Reference

Reference Reference

D

Agitator

Agitator Agitator

Letter

Letter Letter

Rotation

Rotation Rotation

Description

Description Description

Muf󰘱ers

Counterclockwise

Counterclockwise Counterclockwise

Agitator

Agitator Agitator

Rotation

Rotation Rotation

EPlugs

F

G

HAirregulator

JAirgauge

KAirmotor

Swivelconnector

Nippleconnector

63A4797B

Installation

Agitator

Agitator Agitator

Toreducetheriskof󰘰reandexplosion,always
maintainaminimumof1in.(25.4mm)clearance
betweentherotatingagitatorpartsandthe
containertopreventsparksfromcontact.

•Ifinstallinganewagitatorontoanewtank,follow
steps1–2,and7–15(models25C536,25C537,
25C538).

•Ifreplacinganestablishedagitator,followsteps
1,3–12,and14–15(models25C539,25C540,
25C541).

1.Relievepressurefromthesystem(if

applicable)byfollowingtheprocedureinthe

PressureReliefProcedure,page11,andremove

thepressuretankcoverfromthetank.

2.Unscrewandremovethehexjamnut(49),plug

(P),ando-ring(R)fromthetankcover.

3.RemovetheupperU-bolt(56).

4.Loosenthetwoagitatorpaddlesetscrews(46)

andremovetheagitatorpaddle(45).

5.On10and15gallontanks,removethelower

U-bolt(56),loosenscrews(54),andslidethe
baf󰘱e(53)offthe󰘱uidtube(12).

6.Unscrewandremovethehexjamnut(49),

gasket(50),andagitatorfromthetankcover.

7.Toinstallthenewagitator,placethegasket(50)

ontopofthetankcovercenterhole.Insertthe
agitatorshaft(47)throughthegasketandcenter
hole.

NOTE:Positiontheairmotorandregulatoras
showninTypicalSystem,page5.

8.Installthejamnut(49)belowthetankcover,

andtighten󰘰rmlytoassureasealbetweenthe
gasket(50)andtankcover.

9.Installtheshaftsupport(44)ontotheshaft

housing(42).

10.ClampwithupperU-bolt(56),clamp(43),lock

washer(41),andnut(55).

12.Onthe5gallontank,clampthelowerU-bolt
directlytotheshaftsupport(44)(seebelow).
Slidethebaf󰘱e(53)overthe󰘱uidtube(12)and
positionthebaf󰘱eabout1/2in.(13mm)above
thehighestpointontheagitatorpaddle(45).
ClampinplacewiththelowerU-bolt(56),washer
(41),andnut(55).

Misalignmentbetweentheshaftand󰘱uidtube
maycausetheagitatorshafttobindwhen
clampingtheU-bolt(56)inplace.Loosenif
requiredtoallowshaftrotation.Theagitator
motorshouldrunat20psig(1.4bar)airpressure
whendry.

13.Aligntheagitatorpaddle(45)ontheagitator
shaft(47)asfollows:

•For10and15gallontanks:Alignthetopofthe

paddlehubwiththelowermarkontheagitator
shaft.

•For5gallontanks:Ifa5gallonpailistobe

placedinsidethepressuretank,alignthetop
ofthepaddlehubwiththeuppermarkonthe
agitatorshaft.Ifapailisnottobeplacedinside
thetank,alignthetopofthehubwiththelower
markontheagitatorshaft.Afterthepaddleis
properlyaligned,applylowstrengthsealantto
thetwosetscrews(46)and󰘰rmlysecurethe
paddle.

14.Removetheplugorexistingelbowfromtheair
inletmanifold(5).Installthenewelbow(69)into
thepressuretankairinletmanifold.

15.Connecttheswivelendoftheairhose(70)to
theelbow(69).

TightentheU-boltatapositionleaving
approximately0.015in.(0.006mm)clearance
gapbetweenthethrustwasherandthetopof
theshaftsupport.

11.Onthe10and15gallontanks,placethelower
bearingassembly(66)and(67)ontheshaft.

3A4797B

7

Installation

Table

Table Table

Agitator

1 11Agitator Agitator

Installation

Installation Installation

Ref

Ref Ref

12

41Washer53

42

43

44

45AgitatorPaddle66

46

47

49JamNutR

Description

No

Description Description

No No

FluidTube(includedwithmodels
25C536,25C537,25C538)

ShaftHousing

ClampPlate

ShaftSupport

SetScrew

AgitatorShaft

Ref

No

Ref Ref

No No

50

54

55

56U-Bolt

67

PPlug

Description

Description Description

Gasket

AgitatorBaf󰘱e

Screw

Nut

Bearing(models25C537,25C538,25C540,
25C541)

BearingHousing(models25C537,25C538,
25C540,25C541)

O-ring

83A4797B