Graco EQ300C User Manual

Operation,Repair,andParts

EcoQuip

EcoQuip EcoQuip

Blast

Blast Blast

Vapor

Vapor Vapor
or

hazardous

or or

hazardous hazardous

125 psi (8.6 bar, 0.86 MPa) Maximum
Working Pressure

See page 2 for Model information.

System

System System

abrasive

abrasive abrasive

locations.

locations. locations.

Important

Important Important
Readallwarningsandinstructionsinthismanual.Savethese
instructions.

Vapor

Vapor Vapor

Abrasive

Abrasive Abrasive

334667B

EN

blast

system.

blast blast

system. system.

Safety

Safety Safety

Instructions

Instructions Instructions

For

professional

For For

professional professional

use

only.

Not

use use

only. only.

approved

Not Not

approved approved

for

use

for for

use use

explosive

in ininexplosive explosive

atmospheres

atmospheres atmospheres

PROVENQUALITY.LEADINGTECHNOLOGY.

Contents

Contents Contents

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

RelatedManuals................................................2

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

OEMSystemGuidelines.....................................5

SystemComponentIdenti󰘰cation.........................6

EQ300CandEQ600C..................................6

DataTrakControls........................................7

PressureReliefProcedure..................................8

Operation...........................................................9

ChecklistBeforeStarting..............................9

ConnectingtheBlastHoseandAir

Hose..............................................10

SettingUptheEquipment.............................11

BlastingTips................................................15

UsingtheWashFeature...............................17

Re󰘰llingthePotwithAbrasive.......................18

ShuttingDown.............................................19

WinterizingtheEquipment............................21

Troubleshooting..................................................22

TroubleshootingExamples...........................26

Repair................................................................28

RepairingtheMainAirRegulator..................28

FlushingtheDiaphragmValve......................29

RepairingtheDiaphragmValve.....................30

CleaningtheAuto-VentValve.......................31

ReplacingtheDataTrakBattery....................32

ReplacingtheDataTrakFuse.......................33

Parts..................................................................34

EQ300CandEQ600C..................................34

Enclosure....................................................36

PressurePot................................................38

HoseSchematic.................................................39

VaporAbrasiveBlastSystemsand

Accessories..........................................40

EcoQuipSkidSystems.................................40

EcoQuipTrailerSystems..............................40

Mobile/SkidUnits.........................................41

TrailerUnits.................................................41

Hoses.........................................................42

Nozzles.......................................................42

CommonSpareParts...................................43

OtherAccessories........................................43

Dimensions........................................................44

TechnicalSpeci󰘰cations......................................45

GracoExtendedWarrantyforEcoQuip™

Components.........................................46

Models

Models Models

Part

Part Part

EQ300CEcoQuip300VaporBlastSystem
EQ600CEcoQuip600VaporBlastSystem

Related

Related Related

Manuals

Manuals Manuals

Manual

Manual Manual

Number

Number Number
313840DataTrak
333397Pump
334143
334142
334666

Product

Product Product

EQ300M,EQ600M
EQ100M
EQ200T,EQ400T

Description

Description Description

2

334667B

Warnings

Warnings Warnings

Thefollowingwarningsareforthesetup,use,grounding,maintenance,andrepairofthisequipment.The
exclamationpointsymbolalertsyoutoageneralwarningandthehazardsymbolsrefertoprocedure-speci󰘰c
risks.Whenthesesymbolsappearinthebodyofthismanualoronwarninglabels,referbacktothese
Warnings.Product-speci󰘰chazardsymbolsandwarningsnotcoveredinthissectionmayappearthroughout
thebodyofthismanualwhereapplicable.

WARNING

WARNING WARNING

DUST

DUST DUST

Useofthisequipmentcanresultinthereleaseofpotentiallyharmfuldustortoxicsubstances
fromtheabrasivebeingused,thecoatingsbeingremoved,andthebaseobjectbeingblasted.

•Foruseonlybysophisticatedusersfamiliarwithapplicablegovernmentalsafetyandindustrial

•Useequipmentonlyinawell-ventilatedarea.

•Wearaproperly󰘰t-testedandgovernmentapprovedrespiratorsuitableforthedustconditions.

•Followlocalordinancesand/orregulationsfordisposaloftoxicsubstancesanddebris.

EQUIPMENT

EQUIPMENT EQUIPMENT

AND

DEBRIS

AND AND

DEBRIS DEBRIS

hygieneregulators.

MISUSE

MISUSE MISUSE

HAZARD

HAZARD HAZARD

HAZARD

HAZARD HAZARD

Warnings

Misusecancausedeathorseriousinjury.

•Donotoperatetheunitwhenfatiguedorunderthein󰘱uenceofdrugsoralcohol.

•Donotexceedthemaximumworkingpressureortemperatureratingofthelowestrated
systemcomponent.SeeTechnical Technical

•Donotusethisequipmentwithouthoserestraintsandcouplerpinsinstalledonallairand
blasthosecouplings.

•Donotblastunstableobjects.Thehighamountof󰘱uid󰘱owfromthenozzlecanpotentially
moveheavyobjects.

•Donotexceedloadratingoflifteyes.

•Donotoperateequipmentonorstandonanunstablesupport.Keepeffectivefootingand
balanceatalltimes.

•Use󰘱uidsandsolventsthatarecompatiblewithequipmentwettedparts.SeeTechnicalData
inallequipmentmanuals.Read󰘱uidandsolventmanufacturer’swarnings.Forcomplete
informationaboutyourmaterial,requestMSDSfromdistributororretailer.

•Donotleavetheworkareawhileequipmentisenergizedorunderpressure.

•TurnoffallequipmentandfollowthePressure Pressure

•Checkequipmentdaily.Repairorreplacewornordamagedpartsimmediatelywithgenuine
manufacturer’sreplacementpartsonly.

•Donotalterormodifyequipment.Alterationsormodi󰘰cationsmayvoidagencyapprovals
andcreatesafetyhazards.

•Makesureallequipmentisratedandapprovedfortheenvironmentinwhichyouareusingit.

•Useequipmentonlyforitsintendedpurpose.Callyourdistributorforinformation.

•Routehosesandcablesawayfromtraf󰘰careas,sharpedges,movingparts,andhotsurfaces.

•Donotkinkoroverbendhosesorusehosestopullequipment.

•Keepchildrenandanimalsawayfromworkarea.

•Complywithallapplicablesafetyregulations.

Technical

Data

Data Data

Pressure

inallequipmentmanuals.

Relief

Relief Relief

Procedure

Procedure Procedure

whenequipmentisnotinuse.

334667B 3

Warnings

WARNING

WARNING WARNING

BURN

BURN BURN

Equipmentsurfacesand󰘱uidthatisheatedcanbecomeveryhotduringoperation.Toavoid
severeburns:

•Donottouchhot󰘱uidorequipment.

FIRE

FIRE FIRE

Flammablefumes,suchassolvent,inworkareacanigniteorexplode.Tohelpprevent󰘰re
andexplosion:

•Useequipmentonlyinwellventilatedarea.

•Abrasivematerialexitingblastnozzlecangeneratesparks.When󰘱ammableliquidsareused

•Keepworkareafreeofdebris,includingsolvent,ragsandgasoline.

•Keepaworking󰘰reextinguisherintheworkarea.

PERSONAL

PERSONAL PERSONAL

HAZARD

HAZARD HAZARD

AND

EXPLOSION

AND AND

EXPLOSION EXPLOSION

neartheblastnozzleorfor󰘱ushingorcleaning,keeptheblastnozzleatleast20feet(6
meters)awayfromexplosivevapors.

PROTECTIVE

PROTECTIVE PROTECTIVE

HAZARD

HAZARD HAZARD

EQUIPMENT

EQUIPMENT EQUIPMENT

Wearappropriateprotectiveequipmentwhenintheworkareatohelppreventseriousinjury,
includingeyeinjury,hearingloss,inhalationoftoxicfumes,andburns.Protectiveequipment
includesbutisnotlimitedto:

•Protectiveeyewear

•Protectiveshoes

•Gloves

•Hearingprotection

•Properly󰘰t-testedandgovernmentapprovedrespiratorsuitableforthedustconditions

RECOIL

RECOIL RECOIL

Blastnozzlemayrecoilwhentriggered.Ifyouarenotstandingsecurely,youcouldfalland
beseriouslyinjured.

HAZARD

HAZARD HAZARD

4

334667B

OEMSystemGuidelines

OEM

OEM OEM

SystemWeight(Dry)
SystemWeight(Wet)
WaterTankSize(mustbewater

compatible)
PumpInletFittingDixon6EM6-Bquickdisconnectinterchangeincluded

MinimumID3/4in.1.9cm
MaximumRecommendedPumpInlet

HoseLength
Maximumrecommendedrisefromwater

tankoutlettopumpinlet
AvailableGracoInlethoses(w/quick

disconnectinterchanges)
17C032

EQ1848
AvailableGracowatertankshutoffvalve

assembly(3/4"NPTmaleto6EM6-B
quickdisconnect)

System

System System

Guidelines

Guidelines Guidelines

U.S.

U.S. U.S.

450lb204kg

1600lb726kg

100gallon(recommended)378liter(recommended)

(3/4"NPTalsoonpump)

5ft

16in.41cm

19in.length48cm
36in.length91cm

EQ5131EQ5131

Metric

Metric Metric

4.5m

Compressor

Compressor Compressor

185-600cfmcompressorandlessthan
100'hoselength

Morethan600cfmcompressoror
greaterthan100'hoselength

SeeVaporAbrasiveBlastSystemsandAccessories,page40forGracorecommendedblasthosesand
nozzles.

SeeDimensions,page44.

Size

and

Hose

Size Size

and and

Length

Hose Hose

Length Length

U.S.

U.S. U.S.

1.5in.38mm

2in.51mm

Minimum

Minimum Minimum

ID

ID ID

Metric

Metric Metric

334667B 5

SystemComponentIdentication

System

System System

EQ300C

EQ300C EQ300C

Component

Component Component

and

EQ600C

and and

EQ600C EQ600C

Identi󰘰cation

Identi󰘰cation Identi󰘰cation

6 334667B

SystemComponentIdentication

8800000

83000

9

Key:

Key: Key:
A
B
B2BlastNozzle

C
EPot
FBungPin

G
HWaterTankLid
JPotDumpValve
KAutoVentValve
L
MAbrasiveBallValve
P

QEmergencyStop
RBlastAirRegulator

DataTrak

DataTrak DataTrak

Cart
BlastControlSwitch

BlastHose

WaterTank

BlastCheckValve

ControlBox

Controls

Controls Controls

Key:

Key: Key:

S
TPotPressureRegulator
U
V
W
XRinseBallValve
Y
Z
ZA
ZB

ZCSupplyAirPressureGauge
ZD
ZEAccessoryExtensionhose
ZFAbrasiveMedia

ZGFillPortCheckValve

AbrasiveMaterial

PotPressureGauge
BlastAirPressureGauge
SelectorValve

AirSupplyConnection
BlastConnection
PneumaticControlConnection
ElectricControlConnection

DataTrak(seeDataTrakControls,page7)

Key:

Key: Key:
RK

CRCycle/Rate
BTBatchTotalizer

GTGrandTotalizer

334667B

ResetKey—Resultsinfaults.Pressand
holdforthreesecondstoclearthebatch
totalizer.

7

PressureReliefProcedure

Pressure

Pressure Pressure

FollowthePressureReliefProcedure
wheneveryouseethissymbol.

Thisequipmentstayspressurizeduntilpressure
ismanuallyrelieved.Tohelppreventserious
injuryfrompressurized󰘱uid,suchassplashing
󰘱uid,followthePressureReliefProcedurewhen
instructed.

1.Turnthepotpressureregulator(PR)off.

Relief

Relief Relief

Procedure

Procedure Procedure

2.Closetheabrasiveballvalve.

3.Turnthecompressoroffandclosetheinlet
ballvalve.Closethecompressorsupplyair
valve.Engagetheblastcontrolswitchtorelieve
pressureinthesystem.Thendisconnecttheair
inlethosefromthesystem.

4.Turntheselectorvalve(SL)toFILL.

5.Openthedumpvalve.

6.Verifythatthepotpressuregauge(PG)displays
zeropressure.

8 334667B

Operation

Operation

Operation Operation

Checklist

Checklist Checklist

•Checkthecompressedairsupplyaccordingtoits
operatormanual.Makesuretheairbeingsupplied
iscleanandrelativelyfreeofmoistureandoil
topreventwatercontaminationoftheaircontrol
components.

•Makesureairdeliveryvalvesareclosedbeforethe
airsupplycompressorisstarted.

•Makesureallrequiredhoserestraintsandcoupler
pinsareinworkingconditionandproperlyinstalled.

•Makesuretheequipmentissituatedonlevel
ground.Failuretokeeptheunitonlevelground
willmakeitdif󰘰cultorimpossibletopurgeallofthe
airfromthepressurevessel.

•Makesuretheequipmentisproperlysupportedon
asurfacethatcanholditstotalweight.Theweight
ofallpersonnel,thematerialbeingblasted,and
anyabrasivebeingstoredmustalsobeconsidered
(seeTechnicalSpeci󰘰cations,page45).

Before

Before Before

Starting

Starting Starting

•Makesurethewatertankwillremainfullysupplied
withcleanwatertoavoidanypossibilityofthe
pumprunningdryduringblasting.

•Makesurethatthepotiscleanandfreeofany
internaldebris.

•Makesuretousethecorrecttypeofblastcontrol.
Blastingwith150feet(45m)ormoreofblasthose
requirestheuseofanelectricblastcontrol.An
electricblastcontrolcanalsobeusedonhose
lengthsbelow150feet(45m).

•Makesuretheblasthoseislaidoutasstraightas
possiblebetweentheequipmentandtheworksite
(acoiledblasthosewilluncoilunderpressure).

NOTICE

NOTICE NOTICE

Sharpbendsintheblasthosecouldcausethe
abrasivetowearthroughthehoseandcause
prematurefailureofthehose.

•Makesuretherubbergasketineachhosecoupler
isinworkingcondition.

334667B 9

Operation

OFF

START

RUN

ti24706a

Connecting

Connecting Connecting
Hose

Hose Hose

1.Alwayspurgetheairsupplyhose15–20seconds
beforeconnectingtheairsupplyhosefromthe
compressor(oron-sitecompressedairsource)
tothepanel.Makesurealldebrisisclearedfrom
thehose.

the

Blast

the the

Blast Blast

Hose

Hose Hose

and

Air

and and

Air Air

3.Opentheairsupplyvalve(125psi,8.6Bar,0.86
MPamaximum).Ifnecessary,usearegulatorin
thesupplyairlinetomeetthesespeci󰘰cations.

NOTE:

NOTE: NOTE:
theappropriate appropriate

TechnicalSpeci󰘰cations,page45.

4.Connecttheblasthose,hoserestraints,control
hoses,andcouplerpins.

Makesuretheairsupplymeets

appropriate

air

air air

󰘱ow

requirements.

󰘱ow 󰘱ow

requirements. requirements.

See

2.Connectanappropriatelysizedair
supplyhosetotheairinlet.See

TechnicalSpeci󰘰cations,page45.

NOTE:

NOTE: NOTE:
restraintsandcouplerpinstothequick-coupler
andtheairline.Iftheholesonthequick-coupler
donotalign,thereissomethingwrongandthe
twocouplersarenotcompatible.DO DO
ON

ON ON
resolved.

Makesuretoproperlyinstallhose

THE

AIR

THE THE

AIR AIR

.Seekhelptogetthesituation

NOTE:

NOTE: NOTE:
checkalloftheelectricalconnectionsfromthe
paneltotheblastcontrol.

DO

NOT

TURN

NOT NOT

TURN TURN

Ifyouareusinganelectricblastcontrol,

NOTICE

NOTICE NOTICE

Makesurenoelectricalconnectionswill
beexposedtowater.Exposuretowater
couldcauseashortcircuitanddamagethe
equipment.

10 334667B

Operation

Setting

Setting Setting

1.Disconnecttheabrasivehoseatthecamand

Up

the

Up Up

groovewiththeabrasiveballvalveclosed.

NOTE:

NOTE: NOTE:
(especiallyunderpressure),releasingthecam
andgroovewiththeballvalveopenwillcausean
unintentionalreleaseofabrasive.

Ifthepotcontainswaterandabrasive

Equipment

the the

Equipment Equipment

3.Reconnecttheabrasivehose.

4.Disconnectthepumpinlethoseand󰘱ushthe
watertanktoremoveanyremainingdebris.
Reconnectthepumpinlethose.

5.Fillthewatertankonlywithfreshwater,then
opentheinletballvalve.

6.Closetherinse,dump,andabrasiveballvalves.

2.Flushwaterthroughthepotandoutthe
disconnectedabrasiveballvalvebefore󰘰llingthe
potwithwaterandabrasive.

334667B

7.

11

Operation

1

2

10 gal
(30 L)

200-500 lb
(90-227 kg)

8.TurntheselectorvalvetoRINSE.

9.DisengagetheEmergencyStop.

10.Alignthebunghandlewiththepinslot,andthen
󰘰rmlypushandturnthehandle90°afterthepin
isbelowthebracketslot.Properengagementof
thepinwillholdthebungdownuntilitisreleased.

11.Add10gallons(30liters)offreshwaterto
thepot.Wearappropriatepersonalprotective
equipment,includinganappropriately󰘰t-tested
governmentapprovedrespiratorsuitableforthe
dustconditions.Addabrasivematerial(minimum
fourbags,maximumten50lb(23kg)bagsof
high-massabrasive,oreight50lb(23kg)bags
oflowmassabrasive).

NOTE:

NOTE: NOTE:
EmergencyStopisdisengaged.

Thewaterpumpwillnotworkunlessthe

12.Useagardenhoseortherinsehosetowashthe
abrasiveintothepotandclearanyabrasivefrom
thebungandbungseal.

12

334667B

Operation

ti24824a

13.Whenthewaterlevelreachesthebungseal,
rotatethehandletoreleasethebungpin(this
willcausethebungtopopupagainsttheseal
andclosethebung).

14.TurntheselectorvalvetoFILL.

15.Waitforpotpressuretoincrease.NOTE: NOTE:
cantakeuptoseveralminutesforthepotto
pressurize.

NOTE:

NOTE: NOTE:

Thebungcannotbepusheddownunless
allofthepressureinthepotisreleasedby
openingthedumpvalve.

16.Setthepotpressure30psi(2.0Bar,0.2MPa)
higherthantheintendedblastpressure.Quickly
openandclosethedumpvalveafterthepump
stalls.Relievepotpressureto40psi(2.7Bar,

0.27MPa)beforeclosingthedumpvalve.
Repeatuntilpotpressureisconsistent.

NOTE:

It

NOTE:

NOTE: NOTE:

Thewaterpumpshouldbegincycling.If
not,openthepotpressureregulatorenoughto
causethepumptorunat60cpm.

NOTE:

NOTE: NOTE:

Theautovent/purgevalvewillallowall
oftheairtrappedinthetopofthepottovent.
Whenairstopsventing,thepotpressuregauge
willstarttoregisterpressure.

17.TurntheselectorvalvetoWASH.

18.Settheblastairpressure30psi(2.0Bar,0.2
MPa)lowerthanthepotpressurewhileblasting.

NOTE:

NOTE: NOTE:

Inordertoadjusttheblastpressure,the
blastcontrolmustbeengaged.Fortheinitial
setting,leavetheabrasiveballvalveclosed.

NOTE:

NOTE: NOTE:

Engageandreleasetheblastcontrol
handleeachtimetheblastregulatorisadjusted.

19.TurntheselectorvalvetoBLAST.

334667B 13

Operation

8800000

83000

9

20.Opentheabrasiveballvalve.

NOTE:

NOTE: NOTE:
initialsetting(itwillnotreturntotheinitialsetting
ifthemeteringvalveisclosed).

21.Engagetheblastcontrolswitchandbegin
blasting.

Makesurethepotpressurereturnstothe

22.Slowlyadjusttheabrasivemetervalvewhilethe
abrasiveisblastingfromthenozzle.Typical
adjustmentrangesfrom1/8to1/4turnopen.

NOTE:

NOTE: NOTE:
settingthepumpcyclerate.Optimalabrasive
mediaconsumptiontypicallyoccurswiththe
cycleratesetat7–10cyclesperminute.

TheDataTrakcanbeusedtoassistin

NOTE:

NOTE: NOTE:
abrasivematerialtoreachthenozzle.

NOTE:

NOTE: NOTE:
equalizeduringblasting.Onlysetpotpressure
withtheabrasiveballvalveclosed.Neveradjust
potpressurewhileblasting.

Youmayhavetowait1–2minutesforthe

Potpressureandblastpressureshould

NOTE:

NOTE: NOTE:
whatyouwillbeblasting.

NOTE:

NOTE: NOTE:
thenincreasetheblastforceasnecessaryto
cleanwithoutdoinganydamagetothesubstrate.
Whenproperlyset,thepumpshouldcycle7-10
timesperminute.Highproductionrateusers
mayneedtoincreasecyclerateabove10cycles
perminute.

NOTE:

NOTE: NOTE:
youstopblastingformorethan2-3minutes.
Thiswillhelptoextendtheservicelifeofthe
diaphragmvalve.

Useapieceoftestmaterialsimilarto

Alwaysstartasgentlyaspossibleand

Closetheabrasiveballvalvewhenever

14

334667B