Graco EcoQuip EQ200T, EcoQuip EQ400T Operation, Repair, And Parts

Operation,Repair,andParts

EcoQuip

EcoQuip EcoQuip

Blast

Blast Blast

Vapor

Vapor Vapor
or

or or

125

125 125
Working

Working Working

See

See See

abrasive

abrasive abrasive

hazardous

hazardous hazardous

Important

Important Important
Readallwarningsandinstructionsinthismanual.Savethese
instructions.

psi

psi psi

page

page page

System

System System

blast

blast blast

locations.

locations. locations.

Safety

Safety Safety

(8.6

bar,

(8.6 (8.6

bar, bar,

Pressure

Pressure Pressure

for

Model

2 22for for

Model Model

Vapor

Vapor Vapor

Abrasive

Abrasive Abrasive

334666C

EN

system.

system. system.

Instructions

Instructions Instructions

0.86

0.86 0.86

For

professional

For For

professional professional

MPa)

MPa) MPa)

Maximum

Maximum Maximum

information.

information. information.

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

Notes.................................................................5

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

EQ200TandEQ400T...................................6

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

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

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

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

LiftingtheTrailerSystems............................9

ConnectingtheBlastHoseandAir

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

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

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

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

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

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

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

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

TroubleshootingExamples...........................25

Repair................................................................27

RepairingtheMainAirRegulator..................27

FlushingtheDiaphragmValve......................28

RepairingtheDiaphragmValve.....................29

CleaningtheAuto-VentValve.......................30

ReplacingtheDataTrakBattery....................31

ReplacingtheDataTrakFuse.......................32

Notes.................................................................33

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

EQ200TandEQ400T...................................34

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

Trailers........................................................38

PressurePot................................................41

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

VaporAbrasiveBlastSystemsand

Accessories..........................................43

EcoQuipSystemCon󰘰gurator.......................43

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

Hoses.........................................................45

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

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

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

OtherAccessories........................................47

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

TechnicalSpeci󰘰cations......................................50

GracoExtendedWarrantyforEcoQuip™

Components.........................................52

Models

Models Models

Model

Model Model

EQ200TEcoQuip200VaporBlastSystem
EQ400TEcoQuip400VaporBlastSystem

Description

Description Description

Related

Related Related

Manual

Manual Manual
313840DataTrak
333397Pump
334142
334143
334667

Manuals

Manuals Manuals

Number

Number Number

Product

Product Product

EQ100M
EQ300S,EQ600S
EQ300C,EQ600C

2

334666C

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.

334666C 3

Warnings

WARNING

WARNING WARNING

BURN

BURN BURN

Equipmentsurfacesand󰘱uidthatisheatedcanbecomeveryhotduringoperation.Toavoid
severeburns:

•Donottouchhot󰘱uidorequipment.

FIRE

FIRE FIRE

Flammablefumes,suchassolvent,inwork work
andexplosion:

•Useequipmentonlyinwellventilatedarea.

•Keepworkareafreeofdebris,includingsolvent,ragsandgasoline.

•Keepaworking󰘰reextinguisherintheworkarea.

PERSONAL

PERSONAL PERSONAL

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

HAZARD

HAZARD HAZARD

AND

EXPLOSION

AND AND

EXPLOSION EXPLOSION

PROTECTIVE

PROTECTIVE PROTECTIVE

HAZARD

HAZARD HAZARD

work

area

area area

canigniteorexplode.Tohelpprevent󰘰re

EQUIPMENT

EQUIPMENT EQUIPMENT

•Protectiveeyewearandhearingprotection

•Protectiveclothing,shoesandgloves

•Properly󰘰t-testedandgovernmentapprovedrespiratorsuitableforthedustconditions

RECOIL

RECOIL RECOIL

Blastnozzlemayrecoilwhentriggered.Ifyouarenotstandingsecurely,youcouldfalland
beseriouslyinjured.

HAZARD

HAZARD HAZARD

4

334666C

Notes

Notes

Notes Notes

334666C 5

SystemComponentIdentication

System

System System

EQ200T

EQ200T EQ200T

Component

Component Component

and

EQ400T

and and

EQ400T EQ400T

Identi󰘰cation

Identi󰘰cation Identi󰘰cation

6 334666C

SystemComponentIdentication

8800000

83000

9

Key:

Key: Key:
B
B2BlastNozzle

C
EPot
FPop-UpPin
JPotDumpValve
KAutoVentValve
L
MAbrasiveBallValve
NInletBallValve
P

QEmergencyStop
RBlastAirRegulator

S
TPotPressureRegulator
U

DataTrak

DataTrak DataTrak

BlastControlSwitch

BlastHose

BlastCheckValve

ControlBox

AbrasiveMeteringValve

PotPressureGauge

Key:

Key: Key:
V
W
XRinseBallValve
Y
Z
ZA
ZB

ZCSupplyAirPressureGauge
ZD
ZEAccessoryExtensionhose
ZFAbrasiveMaterial

ZGFillPortCheckValve
ACAirCompressor
AD
AE

Controls

Controls Controls

BlastAirPressureGauge
SelectorValve

AirSupplyConnection
BlastConnection
PneumaticControlConnection
ElectricControlConnection

DataTrak(seeDataTrakControls,page7)

AirConnections
AirCompressorControls

Key:

Key: Key:
RK

CRCycle/Rate
BTBatchTotalizer

GTGrandTotalizer

334666C

ResetKey—Resultsinfaults.Pressand
holdforthreesecondstoclearthebatch
totalizer.

7

PressureReliefProcedure

Pressure

Pressure Pressure

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

1.Turnthepotpressureregulator(PR)off.

Relief

Relief Relief

FollowthePressureReliefProcedure
wheneveryouseethissymbol.

Procedure

Procedure Procedure

2.Closetheabrasiveballvalve.

3.Turnthecompressoroff.Closethecompressor
supplyairvalve.

4.Engagetheblastcontrolswitchtorelieve
pressureinthesystem.

5.Verifythatthesupplyairpressuregaugereads0
psi.Thendisconnecttheairinlethosefromthe
system.

6.Turntheselectorvalve(SL)toFILL.

7.Openthedumpvalve.

8.Verifythatthepotpressuregauge(PG)displays
zeropressure.

8 334666C

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,page50).

•Makesurethewatertankwillremainfullysupplied
withcleanwatertoavoidanypossibilityofthe
pumprunningdryduringblasting.

•Makesurethatthepotiscleanandfreeofany
internaldebris.

Before

Before Before

Starting

Starting Starting

beusedwithhoselengthslessthan150ft(45m).
Blastingwith150ft(45m)ormoreofblasthose
requirestheuseofanelectricblastcontrolswitch.

•Makesuretheblasthoseislaidoutasstraightas
possiblebetweentheequipmentandtheworksite
(acoiledblasthosewilluncoilunderpressure).

NOTICE

NOTICE NOTICE

Sharpbendsintheblasthosecouldcausethe
abrasivetowearthroughthehoseandcause
prematurefailureofthehose.

•Makesuretherubbergasketineachhosecoupler
isinworkingcondition.

Lifting

Lifting Lifting

•Liftthesystemwithaliftapparatusrated
appropriatelyfortheweightofthesystem(see

TechnicalSpeci󰘰cations,page50).

•Donotliftthesystembytheliftringontopofthe
compressor.

•Donotliftthesystembythetie-downringsonthe
trailer.

•Donotliftthesystembytheliftringsonthepot.

the

Trailer

the the

Trailer Trailer

Systems

Systems Systems

•Makesuretousethecorrecttypeofblastcontrol.
Anelectricorpneumaticblastcontrolswitchcan

334666C 9

Operation

OFF

START

RUN

Connecting

Connecting Connecting
Hose

Hose Hose

1.Makesuretheinlethoseconnectionsaretight,
andthathoserestraintsareproperlyinstalled
andsecure.

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

the

Blast

the the

Blast Blast

Hose

Hose Hose

and

and and

Air

Air Air

3.Connecttheblasthose,hoserestraints,control
hoses,andcouplerpins.

NOTE:

NOTE: NOTE:
switch,checkalloftheelectricalconnections
fromthepaneltotheblastcontrol.

Ifyouareusinganelectricblastcontrol

NOTICE

NOTICE NOTICE

Makesurenoelectricalconnectionswill
beexposedtowater.Exposuretowater
couldcauseashortcircuitanddamagethe
equipment.

NOTE:

NOTE: NOTE:
andstartupinformation.

Seeaircompressormanualforoperation

10 334666C

Operation

Setting

Setting Setting

1.Disconnecttheabrasivehoseatthecamand
groovewiththeabrasiveballvalveclosed.

NOTE:

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

Up

the

Up Up

Ifthepotcontainswaterandabrasive

Equipment

the the

Equipment Equipment

2.Flushwaterthroughthepotandoutofthe
disconnectedabrasiveballvalvebefore󰘰llingthe
potwithwaterandabrasive.

3.Reconnecttheabrasivehose.

4.Disconnectthepumpinlethoseand󰘱ushthe
watertanktoremoveanyremainingdebris.
Reconnectthepumpinlethose.

5.Fillthewatertankonlywithfreshwater,then
opentheinletballvalve.

6.Closetherinse,dump,andabrasiveballvalves.

7.TurntheselectorvalvetoRINSE.

334666C

11

Operation

1

2

10 gal
(30 L)

200-500 lb
(90-227 kg)

8.DisengagetheEmergencyStop.

NOTE:

NOTE: NOTE:
EmergencyStopisdisengaged.

9.Alignthepop-uphandlewiththepinslot,and
then󰘰rmlypushandturnthehandle90°afterthe
pinisbelowthebracketslot.Properengagement
ofthepinwillholdthepop-updownuntilitis
released.

Thewaterpumpwillnotworkunlessthe

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

11.Useagardenhoseortherinsehosetowashthe
abrasiveintothepotandclearanyabrasivefrom
thepop-upandgasket.

12.Whenthewaterlevelreachesthepop-upgasket,
rotatethehandletoreleasethepop-uppin.

NOTE:

NOTE: NOTE:
alldebris.

Makesurethepop-upgasketiscleanof

12

334666C

Operation

ti24824a

13.TurntheselectorvalvetoFILL.

NOTE:

NOTE: NOTE:

Thewaterpumpshouldbegincycling.If
not,openthepotpressureregulatorenoughto
causethepumptorunat60cpm.

NOTE:

NOTE: NOTE:

Theautovent/purgevalvewillallowall
oftheairtrappedinthetopofthepottovent.
Whenairstopsventing,thepotpressuregauge
willstarttoregisterpressure.

14.Waitforpotpressuretoincrease.NOTE: NOTE:
cantakeuptoseveralminutesforthepotto
pressurize.

NOTE:

NOTE: NOTE:

Thepop-upcannotbepusheddown
unlessallofthepressureinthepotisreleased
byopeningthedumpvalve.

15.Setthepotpressure30psi(2.0Bar,0.2MPa)
higherthantheintendedblastpressure.Open
andclosethedumpvalveafterthepumpstalls.
Relievepotpressureto40psi(2.7Bar,0.27
MPa)beforeclosingthedumpvalve.Repeat
untilpotpressureisconsistent.

NOTE:

It

16.TurntheselectorvalvetoWASH.

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

NOTE:

NOTE: NOTE:

Inordertoadjusttheblastpressure,
theblastcontrolswitchmustbeengaged.For
theinitialsetting,leavetheabrasiveballvalve
closed.

NOTE:

NOTE: NOTE:

Engageandreleasetheblastcontrol
switcheachtimetheblastregulatorisadjusted.

18.TurntheselectorvalvetoBLAST.

334666C 13

Operation

8800000

83000

9

19.Opentheabrasiveballvalve.

NOTE:

NOTE: NOTE:
initialsetting(itwillnotreturntotheinitialsetting
iftheabrasivemeteringvalveisclosed).

20.Engagetheblastcontrolswitchandbegin
blasting.

Makesurethepotpressurereturnstothe

21.Slowlyadjusttheabrasivemeteringvalvewhile
theabrasiveisblastingfromthenozzle.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:
youstopblastingformorethan20-30minutes.
Thiswillhelptoextendtheservicelifeofthe
diaphragmvalve.

Useapieceoftestmaterialsimilarto

Alwaysstartasgentlyaspossibleand

Closetheabrasiveballvalvewhenever

14

334666C

Operation

Blasting

Blasting Blasting

When󰘰rstlearningtheeffectsoftheblaster,geta
betterunderstandingoftheresultsbystartingata
shallowangle(closerto0°thanto90°)andkeep
thenozzleapproximately16in.(40cm)fromthe
application.Observetheresults,thenreducethe
distance,steepentheangle,andadjusttheblast
regulator.

Astheblastpressureisincreased,slowlyadjustthe
abrasivemeteringvalveandwatchtheDataTrak
toachieve7-10pumpcyclesperminute.See

DataTrakControls,page7.

NOTE:

NOTE: NOTE:
(i.e.80-grit),themoreaggressivetheresults.

Tips

Tips Tips

Theheavierandsmallertheabrasiveparticle

Blasting

Blasting Blasting

Whenblastingonasurfacehigherthanthe
equipment,makesurethatthereisalengthofblast
hoseonthegroundequalto10-20%oftheheight.
Thehoseonthegroundpreventsunspentabrasive
inthehosefromback-󰘰llingtheinternalplumbingof
thepanel.

Forexample:Whenblasting50feet(15m)straight
up,useatleast10feet(3m)ofblasthoseonthe
groundbeforetheblasthosegoesuptotheblasting
height.

on

Higher

on on

Higher Higher

Surfaces

Surfaces Surfaces

334666C 15

Operation

Abrasive

Abrasive Abrasive

Thereisno󰘰xedformulaforwhatworksbestineachapplication.Theinformationbelowworksbestforthe
majorityofthetime.Fromthisinitialsetting,adjustmentscanbemadeupordowntogetthefastestremoval
rateswithoutdamagetothesurface.

Normalsettingsare:110psi(7.5Bar,0.75MPa)initialpotsetting,lessthan1/2turnopenmeteringvalve,
blastingpressureat80psi(5.5Bar,0.55MPa).Forapplicationsrequiringhigherperformance,use
high-performanceabrasive(theheaviestmass@80grit)suchasGarnet,andthehighestpressuresthe
systemcansupport.Theinitialpotpressureshouldalwaysbe30psi(2.0Bar,0.2MPa)abovetheintended
blastpressure.

Graduallymakeadjustmentstomeetthespeci󰘰crequirementsforeachapplication.Makeadjustments(see

DataTrakControls,page7)toachieve7-10cyclesperminutetobethemostef󰘰cient(cutatthefastestrate

whileusingtheleastamountofabrasive).Blastingpressurescanrangebetween30-120psimax(2.0Bar,

0.2MPa–8.2Bar,0.82MPa).

Unlikeconventionalsandblasting,higherpressuresdonotnecessarilymeanbettercleaning.Nozzledistance
andtheangletothesurfacehasaneffectonperformance,asdoestheblastpressure.Choiceofabrasive
alsohasagreateffect.High-performanceabrasiveproducesthebestperformanceandcansaveenough
timetomakeupthedifferenceincost.

NOTE:

NOTE: NOTE:

General

General General

Wood

Wood Wood

Steel

Steel Steel

Fiberglass

Fiberglass Fiberglass

Metering

Metering Metering

Blastingwith150ft(45m)ormoreblasthoserequirestheuseofanelectricblastcontrol.

40/70crushed
glass

80(usingalow
massabrasive
likecrushedglass
orwalnut)

60–80(using
ahigh-mass
abrasivelike
Garnet)

40-70lowmass

Valve

Valve Valve

Grit

Size

Grit Grit

Size Size

Settings

Settings Settings

60-80psi(4.1Bar,

0.41MPa-5.5Bar,

0.55MPa)
40-50psi(2.7Bar,

0.27MPa-3.4Bar,

0.34MPa)

100-120psi(6.8Bar,

0.68MPa-8.2Bar,

0.82MPa)

45-65psi(3.1Bar,

0.31MPa-4.4Bar,

0.44MPa)

35°-65°

15°-30°

45°-65˚

35°-45˚

Blast

Blast Blast

Blast

Blast Blast

Pressure

Pressure Pressure

Abrasive

Abrasive Abrasive

Metering

Metering Metering

10cyclesper
minute

8cyclesper
minute

10–12cyclesper
minute

8cyclesper
minute

Valve

Valve Valve

Angle

Angle Angle

None

Donotwash,asit
mayraisethewood
grain.Brushoff
excessabrasiveafter
thewooddries.

None

None

Notes

Notes Notes

NOTE:

NOTE: NOTE:

Adjustmentinblastpressurerequiresanadjustmentoftheabrasivemeteringvalve.

16 334666C