Graco 334667E, EcoQuip Vapor Abrasive Blast System Owner's manual

Operation,Repair,andParts

EcoQuip EcoQuip

EcoQuipVapor Vapor

VaporAbrasive Abrasive

Abrasive

Blast Blast

BlastSystem System

System334667E

EN

Vapor Vapor

Vaporabrasive abrasive

abrasiveblast blast

blastsystem. system.

system.For For

Forprofessional professional

professionaluse use

useonly. only.

only.

Important Important

ImportantSafety Safety

SafetyInstructions Instructions

Instructions

Readallwarningsandinstructionsinthismanual.Savethese

instructions.

125psi(8.6bar,0.86MPa)Maximum

WorkingPressure

Seepage3forModelinformation.

PROVENQUALITY.LEADINGTECHNOLOGY.

Contents Contents

Contents

Models................................................................3

RelatedManuals...................................................3

Warnings.............................................................4

OEMSystemGuidelines.........................................7

SystemComponentIdentication.............................8

EQ300CandEQ600C......................................8

DataTrakControls...........................................9

PressureReliefProcedure......................................10

Grounding(ATEXSystemsonly)..............................10

Operation............................................................11

ImportantNote................................................11

ChecklistBeforeStarting..................................11

LiftingtheSystem............................................11

ConnectingtheBlastHoseandAirHose..............12

SettingUptheEquipment.................................13

BlastingTips..................................................17

UsingtheWashFeature...................................19

RellingthePotwithAbrasive............................20

ShuttingDown................................................21

WinterizingtheEquipment................................23

Troubleshooting....................................................24

TroubleshootingExamples................................27

Repair.................................................................29

RepairingtheMainAirRegulator........................29

FlushingtheDiaphragmValve...........................30

RepairingtheDiaphragmValve..........................31

CleaningtheAuto-VentValve............................32

ReplacingtheDataTrakBattery..........................33

ReplacingtheDataTrakFuse............................34

Notes..................................................................35

Parts..................................................................36

EQ300CandEQ600C......................................36

Enclosure......................................................38

PressurePot..................................................40

BlastHoses...................................................41

HoseSchematic....................................................42

VaporAbrasiveBlastSystemsandAccessories...........43

EcoQuipSystemCongurator............................43

ModelSeries..................................................44

BlastHoseswithControlHose/Cables.................45

BlastHoseswithoutControlHose/Cables.............45

BlastControlHoses/Cables...............................46

Nozzles.........................................................46

OtherAccessories...........................................46

CommonSpareParts.......................................47

Dimensions..........................................................48

TechnicalSpecications.........................................49

GracoExtendedWarrantyforEcoQuip™

Components............................................50

2334667E

Models

Models Models

Models

Part Part

PartDescription Description

DescriptionApprovals Approvals

Approvals

EQ300CEcoQuip300VaporBlastSystem

EQ600CEcoQuip600VaporBlastSystem

EQ30XCEcoQuip300VaporBlastsystemATEXApproved

II 2G c ia IIA T3 X

EQ60XCEcoQuip600VaporBlastSystemATEXApproved

II 2G c ia IIA T3 X

Related Related

RelatedManuals Manuals

Manuals

Manual Manual

ManualNumber Number

NumberProduct Product

Product

313840DataTrak

333397Pump

335035AirInletKit

334143EQ300S,EQ600S

334142EQ100M

334666EQ200T,EQ400T

334667E3

Warnings

Warnings Warnings

Warnings

Thefollowingwarningsareforthesetup,use,grounding,maintenance,andrepairofthisequipment.Theexclamation

pointsymbolalertsyoutoageneralwarningandthehazardsymbolsrefertoprocedure-specicrisks.Whenthese

symbolsappearinthebodyofthismanualoronwarninglabels,referbacktotheseWarnings.Product-specichazard

symbolsandwarningsnotcoveredinthissectionmayappearthroughoutthebodyofthismanualwhereapplicable.

WARNING WARNING

WARNING

SPECIAL SPECIAL

SPECIALCONDITIONS CONDITIONS

CONDITIONSFOR FOR

FORSAFE SAFE

SAFEUSE USE

USE

•Groundallequipmentintheworkarea.SeeGrounding Grounding

GroundingInstructions Instructions

Instructions.

•Alllabelandmarkingmaterialmustbecleanedwithadampcloth(orequivalent).

DUST DUST

DUSTAND AND

ANDDEBRIS DEBRIS

DEBRISHAZARD HAZARD

HAZARD

Useofthisequipmentcanresultinthereleaseofpotentiallyharmfuldustortoxicsubstances

fromtheabrasivebeingused,thecoatingsbeingremoved,andthebaseobjectbeingblasted.

•Foruseonlybysophisticatedusersfamiliarwithapplicablegovernmentalsafetyandindustrial

hygieneregulators.

•Useequipmentonlyinawell-ventilatedarea.

•Wearaproperlyt-testedandgovernmentapprovedrespiratorsuitableforthedustconditions.

•Followlocalordinancesand/orregulationsfordisposaloftoxicsubstancesanddebris.

4334667E

Warnings

WARNING WARNING

WARNING

EQUIPMENT EQUIPMENT

EQUIPMENTMISUSE MISUSE

MISUSEHAZARD HAZARD

HAZARD

Misusecancausedeathorseriousinjury.

•Donotoperatetheunitwhenfatiguedorundertheinuenceofdrugsoralcohol.

•Donotexceedthemaximumworkingpressureortemperatureratingofthelowestrated

systemcomponent.SeeTechnical Technical

TechnicalData Data

Datainallequipmentmanuals.

•Donotusethisequipmentwithouthoserestraintsandcouplerpinsinstalledonallairand

blasthosecouplings.

•Donotblastunstableobjects.Thehighamountofuidowfromthenozzlecanpotentially

moveheavyobjects.

•Donotexceedloadratingoflifteyes.

•Donotoperateequipmentonorstandonanunstablesupport.Keepeffectivefootingand

balanceatalltimes.

•Useuidsandsolventsthatarecompatiblewithequipmentwettedparts.SeeTechnicalData

inallequipmentmanuals.Readuidandsolventmanufacturer’swarnings.Forcomplete

informationaboutyourmaterial,requestMSDSfromdistributororretailer.

•Donotleavetheworkareawhileequipmentisenergizedorunderpressure.

•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.

BURN BURN

BURNHAZARD HAZARD

HAZARD

Equipmentsurfacesanduidthatisheatedcanbecomeveryhotduringoperation.Toavoid

severeburns:

•Donottouchhotuidorequipment.

FIRE FIRE

FIREAND AND

ANDEXPLOSION EXPLOSION

EXPLOSIONHAZARD HAZARD

HAZARD

Flammablefumes,suchassolvent,inwork work

workarea area

areacanigniteorexplode.Tohelppreventre

andexplosion:

•Useequipmentonlyinwellventilatedarea.

•Abrasivematerialexitingblastnozzlecangeneratesparks.Whenammableliquidsareused

neartheblastnozzleorforushingorcleaning,keeptheblastnozzleatleast20feet(6

meters)awayfromexplosivevapors.

•Keepworkareafreeofdebris,includingsolvent,ragsandgasoline.

•Keepaworkingreextinguisherintheworkarea.

334667E5

Warnings

WARNING WARNING

WARNING

PERSONAL PERSONAL

PERSONALPROTECTIVE PROTECTIVE

PROTECTIVEEQUIPMENT EQUIPMENT

EQUIPMENT

Wearappropriateprotectiveequipmentwhenintheworkareatohelppreventseriousinjury,

includingeyeinjury,hearingloss,inhalationoftoxicfumes,andburns.Protectiveequipment

includesbutisnotlimitedto:

•Protectiveeyewearandhearingprotection

•Protectiveclothing,shoes,andgloves

•Properlyt-testedandgovernmentapprovedrespiratorsuitableforthedustconditions

RECOIL RECOIL

RECOILHAZARD HAZARD

HAZARD

Blastnozzlemayrecoilwhentriggered.Ifyouarenotstandingsecurely,youcouldfalland

beseriouslyinjured.

6334667E

OEMSystemGuidelines

OEM OEM

OEMSystem System

SystemGuidelines Guidelines

Guidelines

U.S. U.S.

U.S.Metric Metric

Metric

SystemWeight(Dry)450lb204kg

SystemWeight(Wet)1600lb726kg

WaterTankSize(mustbewater

compatible)

100gallon(recommended)378liter(recommended)

PumpInletFittingDixon6EM6-Bquickdisconnectinterchangeincluded

(3/4"NPTalsoonpump)

MinimumID3/4in.1.9cm

MaximumRecommendedPumpInlet

HoseLength

5ft4.5m

Maximumrecommendedrisefromwater

tankoutlettopumpinlet

16in.41cm

AvailableGracowaterinlethoses

(w/quickdisconnectinterchanges)

17C03219in.length48cm

EQ184836in.length91cm

AvailableGracowatertankshutoffvalve

assembly(3/4"NPTmaleto6EM6-B

quickdisconnect)

EQ5131EQ5131

Forairinlethoserecommendations,seeTechnicalSpecications,page49.

SeeVaporAbrasiveBlastSystemsandAccessories,page43forGracorecommendedblasthosesandnozzles.

Forsystemdimensionsandmountinglocations,seeDimensions,page48.

334667E7

SystemComponentIdentication

System System

SystemComponent Component

ComponentIdentication Identication

Identication

EQ300C EQ300C

EQ300Cand and

andEQ600C EQ600C

EQ600C

8334667E

SystemComponentIdentication

Key: Key:

Key:

ACart

BBlastControlSwitch

B2BlastNozzle

CBlastHose

EPot

FPop-UpPin

GWaterTank

HWaterTankLid

JPotDumpValve

KAutoVentValve

LBlastCheckValve

MAbrasiveBallValve

PControlBox

QEmergencyStop

RBlastAirRegulator

SAbrasiveMeteringValve

TPotPressureRegulator

Key: Key:

Key:

UPotPressureGauge

VBlastAirPressureGauge

WSelectorValve

XRinseBallValve

YAirSupplyConnection

ZBlastConnection

ZAPneumaticControlConnection

ZBElectricControlConnection(non-ATEX

systemsonly)

ZCSupplyAirPressureGauge

ZDDataTrak(seeDataTrakControls,page9)

ZEAccessoryExtensionhose

ZFAbrasiveMedia

ZGFillPort

ZHGroundWireandClamp(ATEXSystems

only)

DataTrak DataTrak

DataTrakControls Controls

Controls

8800000 83000

9

Key: Key:

Key:

RKResetKey—Resultsinfaults.Pressand

holdforthreesecondstoclearthebatch

totalizer.

CRCycle/Rate

BTBatchTotalizer

GTGrandTotalizer

334667E9

PressureReliefProcedure

Pressure Pressure

PressureRelief Relief

ReliefProcedure Procedure

Procedure

FollowthePressureReliefProcedure

wheneveryouseethissymbol.

Thisequipmentstayspressurizeduntilpressure

ismanuallyrelieved.Tohelppreventserious

injuryfrompressurizeduid,suchassplashing

uid,followthePressureReliefProcedurewhen

instructed.

1.Turnthepotpressureregulator(PR)off.

2.Closetheabrasiveballvalve.

3.Turnthecompressoroff.Closethecompressorsupply

airvalve.

4.Engagetheblastcontrolswitchtorelievepressurein

thesystem.

5.Verifythattheairpressuregaugereads0psi.Then

disconnecttheairinlethosefromthesystem.

6.Turntheselectorvalve(SL)toFILL.

7.Openthedumpvalve.

8.Verifythatthepotpressuregauge(PG)displayszero

pressure.

Grounding Grounding

Grounding(ATEX (ATEX

(ATEX

Systems Systems

Systemsonly) only)

only)

Theequipmentmustbegroundedtoreducethe

riskofstaticsparking.Staticsparkingcancause

fumestoigniteorexplode.Groundingprovidesan

escapewirefortheelectriccurrent.

Systems: Systems:

Systems:Usesuppliedgroundwireandclamp(237686).

Air Air

Airand and

anduid uid

uidhoses: hoses:

hoses:UseonlygenuineGracoATEX

rated,conductivehoseswithamaximumof150ft(45m)

combinedhoselengthtoensuregroundingcontinuity.

Checktheelectricalresistanceofthehoses.Ifthetotal

resistancetogroundexceeds29megaohms,replacethe

hoseimmediately.

Air Air

Aircompressor: compressor:

compressor:followmanufacturer’srecommendations.

10334667E

Operation

Operation Operation

Operation

Important Important

ImportantNote Note

Note

Topreventfreezing,thisequipmentisshippedfromthe

factorywithbluewindshieldwasheruidinsidethesystem.

Itisnotnecessarytodrainbeforeusing.Disposeofthe

uidinaccordancewithlocalregulations.

Checklist Checklist

ChecklistBefore Before

BeforeStarting Starting

Starting

•Checkthecompressedairsupplyaccordingtoits

operatormanual.Makesuretheairbeingsuppliedis

cleanandrelativelyfreeofmoistureandoiltoprevent

watercontaminationoftheaircontrolcomponents.

•Makesureairdeliveryvalvesareclosedbeforetheair

supplycompressorisstarted.

•Makesureallrequiredhoserestraintsandcouplerpins

areinworkingconditionandproperlyinstalled.

•Makesuretheequipmentissituatedonlevelground.

Failuretokeeptheunitonlevelgroundwillmakeit

difcultorimpossibletopurgealloftheairfromthe

pressurevessel.

•Makesuretheequipmentisproperlysupportedon

asurfacethatcanholditstotalweight.Theweight

ofallpersonnel,thematerialbeingblasted,andany

abrasivebeingstoredmustalsobeconsidered(see

TechnicalSpecications,page49).

•Makesurethewatertankwillremainfullysuppliedwith

cleanwatertoavoidanypossibilityofthepumprunning

dryduringblasting.

•Makesurethatthepotiscleanandfreeofanyinternal

debris.

•Makesuretousethecorrecttypeofblastcontrol.An

electricorpneumaticblastcontrolswitchcanbeused

withhoselengthslessthan150ft(45m).Blastingwith

150ft(45m)ormoreofblasthoserequirestheuseofan

electricblastcontrolswitch.

•Makesuretheblasthoseislaidoutasstraightas

possiblebetweentheequipmentandtheworksite(a

coiledblasthosewilluncoilunderpressure).

NOTICE NOTICE

NOTICE

Sharpbendsintheblasthosecouldcausethe

abrasivetowearthroughthehoseandcause

prematurefailureofthehose.

•Makesuretherubbergasketineachhosecoupleris

inworkingcondition.

Lifting Lifting

Liftingthe the

theSystem System

System

•Liftthesystemwithaliftapparatusrated

appropriatelyfortheweightofthesystem(see

TechnicalSpecications,page49).

•Donotliftthesystembytheliftringsonthepot.

334667E11

Operation

Connecting Connecting

Connectingthe the

theBlast Blast

BlastHose Hose

Hoseand and

andAir Air

Air

Hose Hose

Hose

1.EQ30XC EQ30XC

EQ30XCand and

andEQ60XC EQ60XC

EQ60XCModels Models

Modelsonly: only:

only:Connectthe

groundingcabletotheexternalgroundstud(ZH)on

theenclosure,thenconnecttheclamptoatrueearth

ground.

2.Alwayspurgetheairsupplyhose15–20seconds

beforeconnectingtheairsupplyhosefromthe

compressor(oron-sitecompressedairsource)tothe

panel.Makesurealldebrisisclearedfromthehose.

3.Connectanappropriatelysizedairsupplyhosetothe

airinlet.SeeTechnicalSpecications,page49.

NOTE: NOTE:

NOTE:Makesuretoproperlyinstallhoserestraints

andcouplerpinstothequick-couplerandtheairline.

Iftheholesonthequick-couplerdonotalign,there

issomethingwrongandthetwocouplersarenot

compatible.DO DO

DONOT NOT

NOTTURN TURN

TURNON ON

ONTHE THE

THEAIR AIR

AIR.Seekhelp

togetthesituationresolved.

4.Opentheairsupplyvalve(125psi,8.6Bar,0.86MPa

maximum).Ifnecessary,usearegulatorinthesupply

airlinetomeetthesespecications.

OFF

START

RUN

NOTE: NOTE:

NOTE:Makesuretheairsupplymeets

theappropriate appropriate

appropriateair air

airow ow

owrequirements. requirements.

requirements.See

TechnicalSpecications,page49.

5.Connecttheblasthose,hoserestraints,controlhoses,

andcouplerpins.

NOTE: NOTE:

NOTE:Ifyouareusinganelectricblastcontrol,check

alloftheelectricalconnectionsfromthepaneltothe

blastcontrol.

NOTICE NOTICE

NOTICE

Makesurenoelectricalconnectionswill

beexposedtowater.Exposuretowater

couldcauseashortcircuitanddamagethe

equipment.

12334667E

Operation

Setting Setting

SettingUp Up

Upthe the

theEquipment Equipment

Equipment

1.Disconnecttheabrasivehoseatthecamandgroove

withtheabrasiveballvalveclosed.

NOTE: NOTE:

NOTE:Ifthepotcontainswaterandabrasive

(especiallyunderpressure),releasingthecam

andgroovewiththeballvalveopenwillcausean

unintentionalreleaseofabrasive.

2.Flushwaterthroughthepotandoutofthedisconnected

abrasiveballvalvebeforellingthepotwithwaterand

abrasive.

3.Reconnecttheabrasivehose.

4.Disconnectthepumpinlethoseandushthewater

tanktoremoveanyremainingdebris.Reconnectthe

pumpinlethose.

5.Fillthewatertankonlywithfreshwater,thenopenthe

inletballvalve.

6.Closetherinse,dump,andabrasiveballvalves.

334667E13

Operation

7.TurntheselectorvalvetoRINSE.

8.DisengagetheEmergencyStop.

NOTE: NOTE:

NOTE:Thewaterpumpwillnotworkunlessthe

EmergencyStopisdisengaged.

9.Alignthepop-uphandlewiththepinslot,andthen

rmlypushandturnthehandle90°afterthepinis

belowthebracketslot.Properengagementofthepin

willholdthepop-updownuntilitisreleased.

10.Add10gallons(30liters)offreshwatertothepot.

Wearappropriatepersonalprotectiveequipment,

includinganappropriatelyt-testedgovernment

approvedrespiratorsuitableforthedustconditions.

Addabrasivematerial(minimumfourbags,maximum

ten50lb(23kg)bagsofhigh-massabrasive,oreight

50lb(23kg)bagsoflowmassabrasive).

12

10 gal

(30 L)

200-500 lb

(90-227 kg)

11.Useagardenhoseortherinsehosetowashthe

abrasiveintothepotandclearanyabrasivefromthe

pop-upandgasket.

12.Whenthewaterlevelreachesthepop-upgasket,rotate

thehandletoreleasethepop-uppin.

NOTE: NOTE:

NOTE:Makesurepop-upgasketiscleanofalldebris.

14334667E

Operation

13.TurntheselectorvalvetoFILL.

NOTE: NOTE:

NOTE:Thewaterpumpshouldbegincycling.Ifnot,

openthepotpressureregulatorenoughtocausethe

pumptorunat60cpm.

NOTE: NOTE:

NOTE:Theautovent/purgevalvewillallowallofthe

airtrappedinthetopofthepottovent.Whenairstops

venting,thepotpressuregaugewillstarttoregister

pressure.

14.Waitforpotpressuretoincrease.

NOTE: NOTE:

NOTE:Itcantakeuptoseveralminutesforthepotto

pressurize.

ti24824a

NOTE: NOTE:

NOTE:Thepop-upcannotbepusheddownunlessall

ofthepressureinthepotisreleasedbyopeningthe

dumpvalve.

15.Setthepotpressure30psi(2.0Bar,0.2MPa)higher

thantheintendedblastpressure.Openandclosethe

dumpvalveafterthepumpstalls.Relievepotpressure

to40psi(2.7Bar,0.27MPa)beforeclosingthedump

valve.Repeatuntilpotpressureisconsistent.

16.TurntheselectorvalvetoWASH.

17.Settheblastairpressure30psi(2.0Bar,0.2MPa)

lowerthanthepotpressurewhileblasting.

NOTE: NOTE:

NOTE:Inordertoadjusttheblastpressure,theblast

controlswitchmustbeengaged.Fortheinitialsetting,

leavetheabrasiveballvalveclosed.

NOTE: NOTE:

NOTE:Engageandreleasetheblastcontrolswitch

eachtimetheblastregulatorisadjusted.

18.TurntheselectorvalvetoBLAST.

19.Opentheabrasiveballvalve.

NOTE: NOTE:

NOTE:Makesurethepotpressurereturnstothe

initialsetting(itwillnotreturntotheinitialsettingifthe

abrasivemeteringvalveisclosed).

334667E15

Operation

20.Engagetheblastcontrolswitchandbeginblasting.

NOTE: NOTE:

NOTE:Youmayhavetowait1–2minutesforthe

abrasivematerialtoreachthenozzle.

NOTE: NOTE:

NOTE:Potpressureandblastpressureshould

equalizeduringblasting.Onlysetpotpressurewiththe

abrasiveballvalveclosed.Neveradjustpotpressure

whileblasting.

21.Slowlyadjusttheabrasivemetervalvewhilethe

abrasiveisblastingfromthenozzle.Typicaladjustment

rangesfrom1/8to1/4turnopen.

NOTE: NOTE:

NOTE:TheDataTrakcanbeusedtoassistin

settingthepumpcyclerate.Optimalabrasivemedia

consumptiontypicallyoccurswiththecyclerateset

at7–10cyclesperminute.

8800000 83000

9

NOTE: NOTE:

NOTE:Useapieceoftestmaterialsimilartowhatyou

willbeblasting.

NOTE: NOTE:

NOTE:Alwaysstartasgentlyaspossibleandthen

increasetheblastforceasnecessarytocleanwithout

doinganydamagetothesubstrate.Whenproperlyset,

thepumpshouldcycle7-10timesperminute.High

productionrateusersmayneedtoincreasecyclerate

above10cyclesperminute.

NOTE: NOTE:

NOTE:Closetheabrasiveballvalvewheneveryou

stopblastingformorethan20-30minutes.Thiswill

helptoextendtheservicelifeofthediaphragmvalve.

16334667E

Operation

Blasting Blasting

BlastingTips Tips

Tips

Whenrstlearningtheeffectsoftheblaster,getabetter

understandingoftheresultsbystartingatashallowangle

(closerto0°thanto90°)andkeepthenozzleapproximately

16in.(40cm)fromtheapplication.Observetheresults,

thenreducethedistance,steepentheangle,andadjust

theblastregulator.

Astheblastpressureisincreased,slowlyadjustthe

abrasivemeteringvalveandwatchtheDataTrak

toachieve7-10pumpcyclesperminute.See

DataTrakControls,page9.

NOTE: NOTE:

NOTE:Theheavierandsmallertheabrasiveparticle(i.e.

80-grit),themoreaggressivetheresults.

Blasting Blasting

Blastingon on

onHigher Higher

HigherSurfaces Surfaces

Surfaces

Whenblastingonasurfacehigherthantheequipment,

makesurethatthereisalengthofblasthoseontheground

equalto10-20%oftheheight.Thehoseontheground

preventsunspentabrasiveinthehosefromback-llingthe

internalplumbingofthepanel.

Forexample:Whenblasting50feet(15m)straightup,use

atleast10feet(3m)ofblasthoseonthegroundbeforethe

blasthosegoesuptotheblastingheight.

334667E17

Operation

Abrasive Abrasive

AbrasiveMetering Metering

MeteringValve Valve

ValveSettings Settings

Settings

Thereisnoxedformulaforwhatworksbestineachapplication.Theinformationbelowworksbestforthemajorityofthe

time.Fromthisinitialsetting,adjustmentscanbemadeupordowntogetthefastestremovalrateswithoutdamageto

thesurface.

Normalsettingsare:110psi(7.5Bar,0.75MPa)initialpotsetting,lessthan1/2turnopenmeteringvalve,blasting

pressureat80psi(5.5Bar,0.55MPa).Forapplicationsrequiringhigherperformance,usehigh-performanceabrasive(the

heaviestmass@80grit)suchasGarnet,andthehighestpressuresthesystemcansupport.Theinitialpotpressure

shouldalwaysbe30psi(2.0Bar,0.2MPa)abovetheintendedblastpressure.

Graduallymakeadjustmentstomeetthespecicrequirementsforeachapplication.Makeadjustments(see

DataTrakControls,page9)toachieve7-10cyclesperminutetobethemostefcient(cutatthefastestratewhileusingthe

leastamountofabrasive).Blastingpressurescanrangebetween30-120psimax(2.0Bar,0.2MPa–8.2Bar,0.82MPa).

Unlikeconventionalsandblasting,higherpressuresdonotnecessarilymeanbettercleaning.Nozzledistanceandthe

angletothesurfacehasaneffectonperformance,asdoestheblastpressure.Choiceofabrasivealsohasagreateffect.

High-performanceabrasiveproducesthebestperformanceandcansaveenoughtimetomakeupthedifferenceincost.

NOTE: NOTE:

NOTE:Blastingwith150ft(45m)ormoreblasthoserequirestheuseofanelectricblastcontrol.

Grit Grit

GritSize Size

SizeBlast Blast

Blast

Pressure Pressure

Pressure

Abrasive Abrasive

Abrasive

Metering Metering

MeteringValve Valve

Valve

Blast Blast

BlastAngle Angle

AngleNotes Notes

Notes

General General

General40/70crushed

glass

60-80psi(4.1Bar,

0.41MPa-5.5Bar,

0.55MPa)

10cyclesper

minute

35°-65°None

Wood Wood

Wood80(usingalow

massabrasive

likecrushedglass

orwalnut)

40-50psi(2.7Bar,

0.27MPa-3.4Bar,

0.34MPa)

8cyclesper

minute

15°-30°Donotwash,asit

mayraisethewood

grain.Brushoff

excessabrasiveafter

thewooddries.

Steel Steel

Steel60–80(using

ahigh-mass

abrasivelike

Garnet)

100-120psi(6.8Bar,

0.68MPa-8.2Bar,

0.82MPa)

10–12cyclesper

minute

45°-65˚None

Fiberglass Fiberglass

Fiberglass40-70lowmass45-65psi(3.1Bar,

0.31MPa-4.4Bar,

0.44MPa)

8cyclesper

minute

35°-45˚None

NOTE: NOTE:

NOTE:Adjustmentinblastpressurerequiresanadjustmentoftheabrasivemeteringvalve.

18334667E

Operation

Using Using

Usingthe the

theWash Wash

WashFeature Feature

Feature

Thewashfeaturecausesair-drivenwater(without

abrasive)torinseareasthathavealreadybeenblasted

withabrasive.Itisalsoaconvenientfeatureforushing

abrasivefromtheblasthose.

NOTICE NOTICE

NOTICE

Therewillalwaysbesomeresidualabrasivein

theblasthose.Neverusethewashfeatureon

anysurfaceotherthanwhereyouhaveblasted,or

intendtoblast.Itwillaffect/dullthesurface.

NOTICE NOTICE

NOTICE

Donotusethewashfeatureonwoodthathas

beenblasted.Itcoulddamagethewoodandcause

thegraintorise.Waitforthewoodtodryandthen

useabroom,brush,orvacuumtoremoveany

residualabrasive.

1.Closetheabrasiveballvalve.

2.TurntheselectorvalvetoWASH.

3.Blast1–2minutesuntiltheabrasiveisclearedfrom

thehose.

4.Theequipmentisnowreadytowashanypreviously

blastedsurfaces.

334667E19

Operation

Relling Relling

Rellingthe the

thePot Pot

Potwith with

withAbrasive Abrasive

Abrasive

1.Closetheabrasiveballvalve.

2.TurntheselectorvalvetoRINSE.

3.Openthedumpvalveslowlytorelievethewater

pressureinthepot.

NOTE: NOTE:

NOTE:Bepreparedtocapturethewaterthatwillbe

drainedfromthepot.Alldisposalsmustcomplywith

national,state,andlocalregulations.

4.Afterallofthepressureinthepothasbeenrelieved,

engagethepop-uppinbycompressingthespringand

turningthehandle90°toholdthepop-upintheopen

position.

5.Addtheabrasive(minimumfourbags,maximumten

50lb(23kg)bagsofhigh-massabrasiveoreight50lb

(23kg)bagsoflow-massabrasive)andcontinuethe

proceduresfromSettingUptheEquipment,page13.

NOTE: NOTE:

NOTE:Morewatermayneedtobedrainedfromthe

pottoallowadditionalabrasivetobeadded.

20334667E

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Graco 334667E, EcoQuip Vapor Abrasive Blast System Owner's manual

Graco 334667E, EcoQuip Vapor Abrasive Blast System Owner's manual

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