Graco Pro Xp User Manual

Instructions-Parts
Pro
Pro Pro Air
Air Air
For
For For For
For For use
use use
3000 psi (21 MPa, 210 bar) Maximum Fluid Working Pressure 100 psi (0.7 MPa, 7 bar) Maximum Air Working Pressure
See page 3 for model part numbers and approval information.
Xp™
Xp™ Xp™
Assisted
- --Assisted Assisted
use
use use use
use use
only.
only. only.
Class
in ininClass Class
Group
in ininGroup Group
Important
Important Important Thisequipmentcouldpresenthazardsifnotoperatedaccordingto theinformationinthismanual.Read Read this
manual
this this
manual manual
Electrostatic
Electrostatic Electrostatic
Spray
Spray Spray
Div.
I, I,I,Div. Div.
II,
II, II,
Safety
Safety Safety
before
before before
Hazardous
I IIHazardous Hazardous
Zone
Zone Zone
Explosive
1 11Explosive Explosive
Instructions
Instructions Instructions
using
using using
Gun
Gun Gun
Locations
Locations Locations
Atmosphere
Atmosphere Atmosphere
Read
the
equipment.
the the
equipment. equipment.
using
Group
using using
Group Group
Locations
Locations Locations
all
warnings
all all
warnings warnings
Save
Save Save
and
and and
these
instructions.
these these
instructions. instructions.
materials.
D DDmaterials. materials.
using
Group
using using
Group Group
instructions
instructions instructions
IIA
materials.
IIA IIA
materials. materials.
in
in in
3A2495L
EN
For
professional
For For
professional professional
PROVENQUALITY.LEADINGTECHNOLOGY.
Contents
Contents Contents
Models...............................................................3
Approvals...........................................................3
RelatedManuals................................................3
Warnings...........................................................4
GunOverview....................................................7
HowtheElectrostaticAASprayGun
Works............................................7
Controls,Indicators,andComponents...........8
SmartGuns.................................................9
Installation..........................................................14
WarningSign...............................................14
VentilatetheSprayBooth.............................14
AirSupplyLine............................................15
FluidSupplyLine.........................................15
Grounding...................................................17
GunSetup..........................................................21
GunSetupProcedure...................................21
CheckGunElectricalGrounding...................24
CheckFluidResistivity.................................25
CheckFluidViscosity...................................25
FlushBeforeUsingEquipment......................25
Operation...........................................................26
PressureReliefProcedure............................26
Startup........................................................27
Shutdown....................................................27
Maintenance......................................................28
DailyCareandCleaningChecklist................28
Flushing......................................................28
CleantheGunDaily.....................................30
DailySystemCare.......................................31
ElectricalTests...................................................32
TestGunResistance....................................32
TestPowerSupplyResistance.....................33
TestGunBarrelResistance..........................34
Troubleshooting..................................................35
SprayPatternTroubleshooting......................35
GunOperationTroubleshooting....................36
ElectricalTroubleshooting............................37
Repair................................................................39
PreparetheGunforService.........................39
AirCap,SprayTip,andFluidSeatHousing
Replacement..................................40
ElectrodeReplacement................................41
FluidTubeRemovalandReplacement...........42
FluidFilterReplacement...............................42
GunBarrelRemoval.....................................43
GunBarrelInstallation..................................43
FluidNeedleReplacement............................44
PowerSupplyRemovaland
Replacement..................................45
AlternatorRemovalandReplacement...........46
FanAirAdjustmentValveRepair..................48
AtomizingAirAdjustmentValve
Repair............................................48
ESOn-OffValveRepair...............................49
AirValveRepair...........................................50
SmartModuleReplacement..........................51
AirSwivelandExhaustValve
Replacement..................................52
Parts..................................................................53
StandardAir-AssistedSprayGun
Assembly.......................................53
SmartAir-AssistedSprayGun
Assembly.......................................55
AlternatorAssembly.....................................57
ESOn-OffValveAssembly...........................58
FanAirAdjustmentValveAssembly..............59
AirCapAssembly........................................60
SmartModuleAssembly...............................60
SprayTipSelectionChart....................................61
AEMFineFinishSprayTips..........................61
AEFFineFinishPre-Ori󰘰ceSpray
Tips...............................................62
RoundSprayTips........................................63
RecommendedFilterSizes...........................64
RepairKitsandAccessories................................65
GunAccessories..........................................65
InlineFluidFilterKitAccessories...................65
OperatorAccessories...................................66
SystemAccessories.....................................66
Signs..........................................................66
TestEquipment...........................................66
Hoses.........................................................67
Dimensions........................................................68
TechnicalSpeci󰘰cations......................................69
CaliforniaProposition65.....................................69
GracoProXpWarranty.......................................70
2
3A2495L

Models

25 75
Models
Models Models
Part
No.
Part Part
No. No.
kV
kV kV
Display
Display Display
H60T1060
H60M1060
H85T1085
H85M1085
H85T57*
H85M57*
*HighAirFlowGunModels,equippedwithESOn-OffwithAirRestrictorValve,whichlimitsair󰘱owtothe turbine.Forapplicationsthatrequirehighair󰘱owattheaircap.

Approvals

Approvals Approvals
85
85
G
II IIII2 22G G
0.24mJT6
Standard
Smart
Standard
Smart
Standard
Smart
FM12ATEX0068
EN50050–1
Ta0°C–50°C
Related
Related Related
Manual
Manual Manual
3A2499
3A7005
307263ProbeandMeter,Instructions
308393
309227
309455TestFixture,HighVoltageProbe,andkVMeter,Instructions
406999
No.
No. No.
Manuals
Manuals Manuals
Description
Description Description
RoundSprayKit,Instructions
QuickAdjustFanValveKit,Instructions
GunWasherKit,Instructions
GunFlushBoxModule,Instructions
VoltageTesterConversionKit,Instructions
3A2495L 3

Warnings

Warnings
Warnings Warnings
Thefollowingwarningsareforthesetup,use,grounding,maintenance,andrepairofthisequipment.The exclamationpointsymbolalertsyoutoageneralwarningandthehazardsymbolsrefertoprocedure-speci󰘰c risks.Whenthesesymbolsappearinthebodyofthismanual,referbacktotheseWarnings.Product-speci󰘰c hazardsymbolsandwarningsnotcoveredinthissectionmayappearthroughoutthebodyofthismanual whereapplicable.
WARNING
WARNING WARNING
FIRE,
EXPLOSION,
FIRE, FIRE,
EXPLOSION, EXPLOSION,
Flammablefumes,suchassolventandpaintfumes,inwork work Paintorsolvent󰘱owingthroughtheequipmentcancausestaticsparking.Tohelpprevent 󰘰re,explosion,andelectricshock:
•Electrostaticequipmentmustbeusedonlybytrained,quali󰘰edpersonnelwhounderstand therequirementsofthismanual.
•Groundallequipment,personnel,objectbeingsprayed,andconductiveobjectsinorcloseto sprayarea.Resistancemustnotexceed1megohm.SeeGrounding Grounding
•OnlyusegroundedGracoconductiveairsupplyhoses.
•Donotusepaillinersunlesstheyareconductiveandgrounded. Stop
•Stop Stop
•Checkgunresistance,hoseresistance,andelectricalgroundingdaily.
•Useandcleanequipmentonlyinwellventilatedarea.
•Interlockthegunairand󰘱uidsupplytopreventoperationunlessventilationair󰘱owisabove
•UseonlyGroupIIAorGroupDmaterials.
•Usecleaningsolventswithhighestpossible󰘱ashpointwhen󰘱ushingorcleaningequipment.
•Neversprayor󰘱ushsolventathighpressure.
•Tocleantheexterioroftheequipment,cleaningsolventsmusthavea󰘱ashpointatleast15°
•Alwaysturntheelectrostaticsoffwhen󰘱ushing,cleaningorservicingequipment.
•Eliminateallignitionsources;suchaspilotlights,cigarettes,portableelectriclamps,and
•Donotplugorunplugpowercordsorturnlightsonoroffwhen󰘱ammablefumesarepresent.
•Keepworkareafreeofdebris,includingsolvent,ragsandgasoline.
•Keepthesprayareacleanatalltimes.Usenon-sparkingtoolstocleanresiduefromthe
•Keepaworking󰘰reextinguisherintheworkarea.
operation
operation operation
equipmentuntilyouidentifyandcorrecttheproblem.
theminimumrequiredvalue.
Cor59°Faboveambienttemperature.Non-ignitable󰘱uidsarepreferred.
plasticdropcloths(potentialstaticsparking).
boothandhangers.
AND
ELECTRIC
AND AND
ELECTRIC ELECTRIC
immediately
immediately immediately
ifstaticsparkingoccursoryoufeelashock.Donotuse
SHOCK
SHOCK SHOCK
HAZARD
HAZARD HAZARD
work
area
area area
canigniteorexplodee.
Grounding
instructions.
4
3A2495L
WARNING
WARNING WARNING
SKIN
INJECTION
SKIN SKIN
INJECTION INJECTION High-pressure󰘱uidfromgun,hoseleaks,orrupturedcomponentswillpierceskin.Thismay looklikejustacut,butitisaseriousinjurythatcanresultinamputation.Get Get treatment.
treatment. treatment.
•Donotspraywithouttipguardandtriggerguardinstalled.
•Engagetriggerlockwhennotspraying.
•Donotpointgunatanyoneoratanypartofthebody.
•Donotputyourhandoverthespraytip.
•Donotstoporde󰘱ectleakswithyourhand,body,glove,orrag.
•FollowthePressure Pressure
orservicingequipment.
•Tightenall󰘱uidconnectionsbeforeoperatingtheequipment.
•Checkhosesandcouplingsdaily.Replacewornordamagedpartsimmediately.
HAZARD
HAZARD HAZARD
Get
immediate
immediate immediate
Pressure
Relief
Procedure
Relief Relief
Procedure Procedure
whenyoustopsprayingandbeforecleaning,checking,
Warnings
surgical
surgical surgical
3A2495L 5
Warnings
WARNING
WARNING WARNING
EQUIPMENT
EQUIPMENT EQUIPMENT Misusecancausedeathorseriousinjury.
•Donotoperatetheunitwhenfatiguedorunderthein󰘱uenceofdrugsoralcohol.
•Donotexceedthemaximumworkingpressureortemperatureratingofthelowestrated systemcomponent.SeeTechnical Technical
•Use󰘱uidsandsolventsthatarecompatiblewithequipmentwettedparts.SeeTechnical Technical Speci󰘰cations
Speci󰘰cations Speci󰘰cations Forcompleteinformationaboutyourmaterial,requestSafetyDataSheets(SDSs)from yourdistributororretailer.
•Donotleavetheworkareawhileequipmentisenergizedorunderpressure.
•TurnoffallequipmentandfollowthePressure Pressure
•Checkequipmentdaily.Repairorreplacewornordamagedpartsimmediatelywithgenuine manufacturer’sreplacementpartsonly.
•Donotalterormodifyequipment.Alterationsormodi󰘰cationsmayvoidagencyapprovals andcreatesafetyhazards.
•Makesureallequipmentisratedandapprovedfortheenvironmentinwhichyouareusingit.
•Useequipmentonlyforitsintendedpurpose.Callyourdistributorforinformation.
•Routehosesandcablesawayfromtraf󰘰careas,sharpedges,movingparts,andhotsurfaces.
•Donotkinkoroverbendhosesorusehosestopullequipment.
•Keepchildrenandanimalsawayfromworkarea.
•Complywithallapplicablesafetyregulations.
PLASTIC
PLASTIC PLASTIC Manycleaningsolventscandegradeplasticpartsandcausethemtofail,whichcouldcause seriousinjuryorpropertydamage.
MISUSE
MISUSE MISUSE
PARTS
PARTS PARTS
HAZARD
HAZARD HAZARD
Technical
inallequipmentmanuals.Read󰘱uidandsolventmanufacturer’swarnings.
CLEANING
CLEANING CLEANING
SOLVENT
SOLVENT SOLVENT
Speci󰘰cations
Speci󰘰cations Speci󰘰cations
Pressure
HAZARD
HAZARD HAZARD
Relief
Relief Relief
inallequipmentmanuals.
Procedure
Procedure Procedure
whenequipmentisnotinuse.
Technical
•Useonlycompatiblesolventstocleanplasticstructuralorpressure-containingparts.
•SeeTechnical Technical
TOXIC
TOXIC TOXIC Toxic󰘱uidsorfumescancauseseriousinjuryordeathifsplashedintheeyesoronskin, inhaled,orswallowed.
•ReadSafetyDataSheet(SDS)toknowthespeci󰘰chazardsofthe󰘱uidsyouareusing.
•Storehazardous󰘱uidinapprovedcontainers,anddisposeofitaccordingtoapplicable
PERSONAL
PERSONAL PERSONAL Wearappropriateprotectiveequipmentwhenintheworkareatohelppreventseriousinjury, includingeyeinjury,hearingloss,inhalationoftoxicfumes,andburns.Thisprotective equipmentincludesbutisnotlimitedto:
•Protectiveeyewear,andhearingprotection.
•Respirators,protectiveclothing,andglovesasrecommendedbythe󰘱uidandsolvent
Technical
thesolventmanufacturerforinformationandrecommendationsaboutcompatibility.
FLUID
FLUID FLUID
guidelines.
manufacturer.
Speci󰘰cations
Speci󰘰cations Speci󰘰cations
OR
FUMES
OR OR
FUMES FUMES
PROTECTIVE
PROTECTIVE PROTECTIVE
inallequipmentmanualsformaterialsofconstruction.Consult
HAZARD
HAZARD HAZARD
EQUIPMENT
EQUIPMENT EQUIPMENT
6 3A2495L

GunOverview

Gun
Gun Gun
How
How How Works
Works Works
Thisisnotanairspraygun.Tohelpprevent seriousinjuryfrompressurized󰘱uid,suchasskin injection,andsplashing󰘱uid,readandfollowthe Skin
Skin Skin
Theair-assistedsprayguncombinesairlessand airsprayingconcepts.Thespraytipatomizes andshapesthe󰘱uidintoafanpattern,asdoes aconventionalairlessspraytip.Airfromtheair capfurtheratomizesthe󰘱uidandcompletesthe atomizationofthe󰘱uidtailstoproduceauniform pattern.
Asthegunistriggered,partoftheregulatedair operatesthealternatorturbineandtherestofthe airhelpsatomizethe󰘱uidbeingsprayed.The
Overview
Overview Overview
the
Electrostatic
the the
Electrostatic Electrostatic
Injection
Injection Injection
Hazard
Hazard Hazard
Warnings
Warnings Warnings
AA
AA AA
Spray
Spray Spray
onpage5.
Gun
Gun Gun
alternatorgeneratespower,whichisconvertedby thepowercartridgetosupplyhighvoltagetothe gun’selectrode.
The󰘱uidiselectrostaticallychargedasitpasses theelectrode.Thecharged󰘱uidisattractedtothe groundedworkpiece,wrappingaroundandevenly coatingallsurfaces.
Theregulatedairthatisdirectedtotheaircapcan befurthercontrolledusingthegun’satomizingair adjustmentvalve.Thisvalvecanbeusedtorestrict air󰘱owtotheaircapwhilemaintainingsuf󰘰cientair 󰘱owtothealternator.Theatomizingairadjustment valvedoesnotcontrolpatternwidth.Tochange patternwidth,useanewtipsize,orusethefan adjustmenttonarrowthepatternwidth.
Thehighworking󰘱uidpressureofthisgunprovides thepowerneededtoatomizehighersolidsmaterials.
NOTE:
NOTE: NOTE: gun’satomizingairadjustmentvalvecompletelyoff. Closingthisvalvedoesnotaffectalternatoroperation.
Forairlessatomization,ifdesired,turnthe
3A2495L
7
GunOverview
Controls,
Controls, Controls,
Theelectrostaticgunincludesthefollowingcontrols,indicators,andcomponents(seeFig.1).Forinformation onSmartguns,alsoseeSmartGuns,page9.
Figure1GunOverview
Item
Item Item
A
Indicators,
Indicators, Indicators,
Description
Description Description
AirSwivelInlet1/4npsm(m)left-handthread,forGracogroundedairsupplyhose.
and
Components
and and
Components Components
Purpose
Purpose Purpose
BFluidInlet
C
D
EElectrode
FFanAirAdjustmentValve
G
H
J
K
LInlineFluidFilter
TurbineAirExhaust
AirCap/TipGuardand SprayTip
AtomizingAirAdjustment Valve
TriggerSafetyLockLockstriggertopreventgunfromspraying.
ESOn-OffValveTurnselectrostaticsON(I)orOFF(O).
ESIndicator(standard gunonly;forSmart gunindicator,see
OperatingMode,page9)
1/4npsm(m),for󰘱uidsupplyhose.
Barbed󰘰tting,forsuppliedexhausttube.
SeeSprayTipSelectionChart,page61,foravailablesizes.
Supplieselectrostaticchargetothe󰘱uid.
Adjustsfansizeandshape.Canbeusedtodecreasepatternwidth.
Adjustsatomizingair󰘱ow.
LitwhenESisON(I).Colorindicatesalternatorfrequency.Seethe LEDindicatortableintheGunSetupProcedure,page21.
Provides󰘰nal󰘰ltrationof󰘱uid.Locatedinside󰘱uidtube󰘰tting.
8 3A2495L
GunOverview
Smart
Smart Smart
TheSmartGunmoduledisplayssprayingvoltage, current,alternatorspeed,andthevoltagesetting(low orhigh).Italsoallowstheusertochangetoalower sprayingvoltage.Themodulehastwomodes:
•OperatingMode
•DiagnosticMode
Operating
Operating Operating
Bar
Bar Bar
SeeFig.2andSmartGunKey,page11.The OperatingModedisplaysgundataduringnormal spraying.Thedisplayusesabargraphtoshowthe voltagelevelinkiloVolts(kV)andthecurrentlevelin microAmperes(uA).Thebargraphrangeisfrom0 to100%foreachvalue.
IftheuAbargraphLEDsareblue,thegunisready tospray.IftheLEDsareyelloworred,thecurrentis toohigh.The󰘱uidmaybetooconductive,orsee
ElectricalTroubleshooting,page37forotherpossible
causes.
Guns
Guns Guns
Mode
Mode Mode
Graph
Graph Graph
Voltage
Voltage Voltage
Thevoltageadjustmentswitch(VA)allowsthe operatortochangefromlowtohighvoltage.
•Thehighvoltagesettingisdeterminedbythe maximumvoltageofthegunandisnotadjustable.
•Thelowvoltageindicator(LO)lights whentheswitchissettoLO.Thelow voltagesettingisuseradjustable.See
AdjustingtheLowVoltageSetting,page10.
NOTE:
NOTE: NOTE: haslostcommunicationwiththepowersupply.See
ErrorDisplay,page10,forfurtherinformation.
Adjustment
Adjustment Adjustment
IftheErrordisplayappears,theSmartmodule
Switch
Switch Switch
Hz
Indicator
Hz Hz
Indicator Indicator
TheHzindicatorfunctionsthesameastheES indicatoronstandardguns.Theindicatorlightsto showthealternatorspeedstatus,andhasthree colors:
•Greenindicatesthealternatorspeediscorrect.
•Iftheindicatorchangestoamberafteronesecond, increasetheairpressure.
•Iftheindicatorchangestoredafteronesecond, theairpressureistoohigh.Decreaseairpressure untiltheindicatorisgreen.Tomaintainahigher airpressure,installESOn/OffValveRestrictorKit 26A294.Then,adjustthepressureasneededto ensuretoensuretheindicatorremainsgreen.
Figure2SmartGunModuleinOperatingMode
3A2495L 9
GunOverview
Error
Error Error
IftheSmartmodulelosescommunicationwith thepowersupply,theErrordisplayappears,the Hzindicatorturnsred,andtheSmartmoduleis disabled.SeeFig.3andSmartGunKey,page11. ThiscanoccurinOperatingModeorDiagnostic Mode.SeeElectricalTroubleshooting,page37. CommunicationmustberestoredtomaketheSmart modulefunctional.
NOTE:
NOTE: NOTE: appear.Ifthegunhasbeendisassembled,wait8 secondsbeforesprayingtoensurethatanError conditionhasnotoccurred.
NOTE:
NOTE: NOTE: displaywillnotappear.
Display
Display Display
Ittakes8secondsfortheErrordisplayto
Ifthereisnopowertothegun,theError
foryourgun.Continuepressingthebuttonuntilyou reachthedesiredsetting.
NOTE:
NOTE: NOTE: returntotheOperatingScreen.
NOTE:
NOTE: NOTE:
LockSymbol,page10.
Figure4LowVoltageSettingScreen(Unlocked)
Lock
Lock Lock
After2secondsofinactivitythedisplaywill
Thelowvoltagesettingmaybelocked.See
Symbol
Symbol Symbol
Figure3ErrorDisplay
Adjusting
Adjusting Adjusting
Thelowvoltagesettingisuseradjustable.Toaccess thelowvoltagesettingscreenwheninOperating Mode,presstheLOSETbutton(LS)momentarily. Thescreenwilldisplaythecurrentlowvoltage setting.SeeFig.4andSmartGunKey,page11. Thepossiblerangesare:
•85kVguns:40–85kV
•60kVguns:30–60kV
SettheVoltageAdjustmentswitch(VA)toLO.Press theLOSETbuttonrepeatedlytoincreasethesetting inincrementsof5.Whenthedisplayreachesthe maximumsettingitwillreturntotheminimumsetting
the
Low
the the
Voltage
Low Low
Voltage Voltage
Setting
Setting Setting
Thelowvoltagesettingmaybelocked.Whenlocked, animage(LK)appearsonthescreen.SeeFig.5 andSmartGunKey,page11.
•WheninHImode,thelowvoltagesettingisalways always locked.ThelocksymbolwillappearwhentheLO SETbuttonispressed.
•WheninLOmode,thelocksymbolwill only
only only
appearifthelockisenabled.See
LowVoltageLockScreen,page13,tolockor
unlockthelowvoltagesetting.
Figure5LowVoltageSettingScreen(Locked)
always
10 3A2495L
GunOverview
Smart
Smart Smart
Table
Table Table
Item
Item Item
VA
LO
kV
uA
LSLOSETbuttonPressmomentarilytoentertheLowVoltageSettingscreen.
Gun
Key
Gun Gun
Key Key
Key
for
Figs.
1 11Key Key
for for
Description
Description Description
VoltageAdjustmentSwitchTwo-positionswitchsetsSmartgunvoltagetolowsetting(LO)or
LowVoltageMode Indicator
Voltage(kV)DisplayDisplaysactualsprayingvoltageofthegun,inkV.InOperatingMode,
Current(uA)DisplayDisplaysactualsprayingcurrentofthegun,inuA.InOperatingMode,
2–9.
Figs. Figs.
2–9. 2–9.
Purpose
Purpose Purpose
highsetting(HI).ThisswitchisfunctionalinOperatingModeandin DiagnosticMode.
Lights(blue)whentheSmartgunissettoLowVoltage.
displayisabargraph.InDiagnosticMode,voltageisdisplayedas anumber.
displayisabargraph.InDiagnosticMode,currentisdisplayedas anumber.
Pressandholdforapproximately5secondstoenterorexitDiagnostic Mode.
WhileinDiagnosticMode,pressmomentarilytoadvancethrough screens.
WhileontheLowVoltageLockScreen(inDiagnosticMode),press andholdtoturnthelockonoroff.
LVLowVoltageDisplayDisplaysthelowvoltagesettingasanumber.Thesettingcanbe
changed.SeeFig.4.
LKLowVoltageLocked
LD
ERErrorDisplay
VIVoltageIndicator
CICurrentIndicatorInDiagnosticMode,thetwobottomrightLEDsofthescreenlight,
ASAlternatorSpeedDisplayInDiagnosticMode,Hzlevelisdisplayedasanumber.SeeFig.8.
Hz
LODisplayAppearsontheLowVoltageLockScreen.SeeFig.9.
AlternatorSpeedIndicatorInOperatingMode,indicatorcolorvariestoshowthealternatorspeed
Appearsifthelowvoltagesettingislocked.SeeFig.5andFig.9.
AppearsiftheSmartmodulelosescommunicationwiththepower supply.SeeFig.3.
InDiagnosticMode,thetwotoprightLEDsofthescreenlight, indicatingthatthevaluedisplayedisinkV.SeeFig.6.
indicatingthatthevaluedisplayedisinuA.SeeFig.7.
status:
•Greenindicatesthealternatorspeedisatthecorrectlevel.
•Iftheindicatorchangestoamberafteronesecond,thealternator speedistoolow.
•Iftheindicatorchangestoredafteronesecond,thealternatorspeed istoohigh.TheindicatoralsoturnsrediftheErrordisplayappears.
InDiagnosticMode,theindicatorisgreenwhenintheAlternator Speed(Hertz)screen.
3A2495L
11
GunOverview
Diagnostic
Diagnostic Diagnostic
DiagnosticModeincludesfourscreenswhichdisplay gundata:
•Voltage(kiloVolts)Screen
•Current(microAmperes)Screen
•AlternatorSpeed(Hertz)Screen
•LowVoltageLockScreen
NOTE:
NOTE: NOTE: lowvoltagesetting;thesettingisnotadjustablein DiagnosticMode.However,thevoltageadjustment switch(VA)canbesettoHIorLOinOperatingMode andinDiagnosticMode.
ToenterDiagnosticMode,pressandholdtheLOSET (LS)buttonforapproximately5seconds.Thedisplay willgototheVoltage(kiloVolts)Screen,page12.
Toadvancetothenextscreen,presstheLOSET buttonagain.
ToexitDiagnosticMode,pressandholdtheLOSET buttonforapproximately5seconds.Thescreenwill returntoOperatingMode.
NOTE:
NOTE: NOTE: Mode,thelastscreenviewedwillbedisplayedwhen thegunisretriggered.
NOTE:
NOTE: NOTE: fromtheLowVoltageLockScreen.See
LowVoltageLockScreen,page13fordetails.
Mode
Mode Mode
YoumustbeinOperatingModetoadjustthe
IfthegunisdetriggeredwhileinDiagnostic
DiagnosticModecannotbeexited
Figure6Voltage(kiloVolts)Screen
Current
Current Current
TheCurrent(microAmperes)Screenisthesecond screenintheDiagnosticMode.SeeFig.7and
SmartGunKey,page11.Toenterthisscreen,press
theLOSETbuttonwhileintheVoltage(kiloVolts) Screen.
Thisscreendisplaysthesprayingcurrentofthegun asanumber(uA),roundedtothenearest5uA.The twobottomrightLEDs(CI)ofthedisplaypanellight, indicatingthattheCurrent(microAmperes)Screen isdisplayed.Thedisplayisareadoutandcannot bechanged.
(microAmperes)
(microAmperes) (microAmperes)
Screen
Screen Screen
Voltage
Voltage Voltage
TheVoltage(kiloVolts)Screenisthe󰘰rstscreento appearafterenteringDiagnosticMode.SeeFig.6 andSmartGunKey,page11.Toenterthisscreen, pressandholdtheLOSETbuttonforapproximately 5secondswhileintheOperatingMode.
Thisscreendisplaysthesprayingvoltageofthe gunasanumber(kV),roundedtothenearest5kV. ThetwotoprightLEDs(VI)ofthedisplaypanel light,indicatingthattheVoltage(kiloVolts)Screen isdisplayed.Thedisplayisareadoutandcannot bechanged.
PresstheLOSETbuttontoadvancetothe
Current(microAmperes)Screen,page12.Press
andholdforapproximately󰘰vesecondstoreturnto OperatingMode.
(kiloVolts)
(kiloVolts) (kiloVolts)
Screen
Screen Screen
PresstheLOSETbuttontoadvancetothe
AlternatorSpeed(Hertz)Screen,page13.Press
andholdforapproximately󰘰vesecondstoreturnto OperatingMode.
Figure7Current(microAmperes)Screen
12
3A2495L
GunOverview
Alternator
Alternator Alternator
TheAlternatorSpeed(Hertz)Screenisthethird screenintheDiagnosticMode.SeeFig.8and
SmartGunKey,page11.Toenterthisscreen,
presstheLOSETbuttonwhileintheCurrent (microAmperes)Screen.
Thisscreendisplaysthealternatorspeedasa3digit number(AS),roundedtothenearest10Hz.The displayisareadoutandcannotbechanged.Ifthe alternatorspeedisgreaterthan999Hz,thedisplay willshow999.
TheHzindicatorlightsgreentoshowthatyouare viewingtheAlternatorSpeed(Hertz)Screen.
PresstheLOSETbuttontoadvancetothe
LowVoltageLockScreen,page13.Pressandhold
forapproximately5secondstoreturntoOperating Mode.
Speed
Speed Speed
(Hertz)
(Hertz) (Hertz)
Screen
Screen Screen
Low
Voltage
Low Low
Voltage Voltage
TheLowVoltageLockScreenisthefourth screenintheDiagnosticMode.SeeFig.9and
SmartGunKey,page11.Toenterthisscreen,press
theLOSETbuttonwhileintheAlternatorSpeed (Hertz)Screen.
ThisscreendisplaysthestatusoftheLowVoltage Lock.Ifthesettingislocked,thelockimage(LK) appearstotheleftoftheLodisplay(LD).Ifthesetting isunlocked,thelockimagedoesnotappear.
Tochangethelockstatus,pressandholdthe LOSETbuttonuntilthelockimageappearsor disappears.Ifthelockisset,theimagewillalso appearontheLowVoltageSettingScreenwhenin lowvoltagemode(seeFig.4).
NOTE:
NOTE: NOTE: screen,becausepressingandholdingtheLOSET buttonisusedtoturnthelockonoroff.Toexit, pressLOSETmomentarilytoreturntotheVoltage (kiloVolts)Screen,thenexitDiagnosticModefrom there.
DiagnosticModecannotbeexitedfromthis
Lock
Screen
Lock Lock
Screen Screen
Figure8AlternatorSpeed(Hertz)Screen
Figure9LowVoltageLockScreen
3A2495L 13

Installation

Installation
Installation Installation
Installingandservicingthisequipmentrequires accesstopartswhichmaycauseelectricshock orotherseriousinjuryifworkisnotperformed properly.
•Donotinstallorservicethisequipmentunless youaretrainedandquali󰘰ed.
•Besureyourinstallationcomplieswithlocal, state,andnationalcodesfortheinstallation ofelectricalapparatusinaClassI,Div.I, hazardouslocationoraGroupII,ZoneI explosiveatmospherelocation.
•Complywithalllocalcodesandregulations.
Fig.10(TypicalInstallation)showsatypical electrostaticair-assistedspraysystem.Itisnotan actualsystemdesign.Forassistanceindesigning asystemtosuityourparticularneeds,contactyour Gracodistributor.
Warning
Warning Warning
Sign
Sign Sign
Ventilate
Ventilate Ventilate
Donotoperatethegununlessventilatingair󰘱owis abovetheminimumrequiredvalue.Providefresh airventilationtoavoidthebuildupof󰘱ammableor toxicvaporswhenspraying,󰘱ushing,orcleaning thegun.Interlockthegunairand󰘱uidsupply topreventoperationunlessventilatingair󰘱owis abovetheminimumrequiredvalue.
Thesprayboothmusthaveaventilationsystem.
Electricallyinterlockthegunairand󰘱uidsupplywith theventilatorstopreventgunoperationanytimethat theventilationair󰘱owfallsbelowminimumvalues. Checkandfollowalllocalcodesandregulations regardingairexhaustvelocityrequirements.Verify theoperationoftheinterlockatleastonceayear.
NOTE:Theminimumallowableairexhaust velocityis60feet/minute(19linearmeters/minute). High-velocityairexhaustwilldecreasetheoperating ef󰘰ciencyoftheelectrostaticsystem.
the
Spray
the the
Spray Spray
Booth
Booth Booth
Mountwarningsignsinthesprayareawherethey caneasilybeseenandreadbyalloperators.An EnglishWarningSignisprovidedwiththegun.
14
3A2495L
Air
Supply
Air Air
Supply Supply
Toreducetheriskofelectricshock,theairsupply hosemustbeelectricallyconnectedtoatrueearth ground.Use Use Hose.
Hose. Hose.
1.SeeFig.10.UsetheGracoGroundedAirSupply Hose(AH)tosupplyairtothegun.Thegunair inlet󰘰ttinghasaleft-handthread.Theairsupply hosegroundwire(AG)mustbeconnectedtoa trueearthground.Donotconnecttheairsupply hosetothegunairinletyet.
2.Installanairline󰘰lter/waterseparator(AF)onthe gunairlinetoensureadry,cleanairsupplytothe gun.Dirtandmoisturecanruintheappearance ofyour󰘰nishedworkpieceandcancausethe guntomalfunction.
Toreducetheriskofseriousinjurydueto componentrupture,includingskininjection, pumppressuremustbelimitedbythepumpair regulator.Donotrelyonthegun󰘱uidregulator tolimitthe󰘱uidpressuretothegun.
Line
Line Line
Use
only
Graco
only only
Graco Graco
Grounded
Grounded Grounded
Air
Supply
Air Air
Supply Supply
Installation
4.Installableed-typeairvalve(BV)onthepump airsupplyline.Thebleed-typeairvalve(BV)is requiredinyoursystemtoshutoffairtothepump andrelieveairtrappedbetweenthevalveand thepumpaftertheairregulatorisshutoff.Install anadditionalbleed-typeairvalveonthemainair line(MA)toisolatetheaccessoriesforservicing.
5.Installanairbleedvalve(BV)oneachgunair supplylinetoshutoffairtothegun(s)andrelieve airtrappedbetweenthevalveandthegunafter theairregulatorisshutoff.
Fluid
Fluid Fluid
1.Blowoutthe󰘱uidline(FL)withairand󰘱ushit
2.Installa󰘱uidpressureregulator(FR)onthe󰘱uid
3.Installa󰘱uid󰘰lter(FF)nearthepumpoutlet,to
Supply
Supply Supply
withsolvent.Usesolventwhichiscompatible withthe󰘱uidtobesprayed.Donotconnectthe 󰘱uidsupplylinetothegun󰘱uidinletyet.
linetocontrol󰘱uidpressuretothegun.
removeparticlesandsedimentwhichcouldclog thespraynozzle.
NOTE:
NOTE: NOTE: additional󰘰ltration.
Thegunincludesaninline󰘱uid󰘰lterfor
Line
Line Line
The󰘱uidsupplypumpmustbepreventedfrom producinga󰘱uidpressuregreaterthanthe 3000psi(21MPa,210bar)
Fluid Pressure
supplypressuretoa30:1ratiopumpmustnot exceed100psi(0.7MPa,7bar).
3.Installbleed-typeairregulators(PR,GR)on thepumpandgunairsupplylinestocontrolair pressuretothepumpandgun.
Trappedaircancausethepumptocycle unexpectedly,whichcanresultinserious injury,includingskininjectionandsplashing 󰘱uidintheeyesorontheskin.Donotoperate theequipmentwithoutthebleed-typeairvalve (BV)installed.
ofthegun.Forexample,theair
Maximum Working
Toreducetheriskofseriousinjury,including skininjectionandsplashing󰘱uidintheeyesor ontheskin,donotoperateequipmentwithout the󰘱uiddrainvalve(FD)installed.
4.The󰘱uiddrainvalve(FD)isrequiredinyour systemtoassistinrelieving󰘱uidpressureinthe displacementpump,hose,andgun.Triggering theguntorelievepressuremaynotbesuf󰘰cient. Installadrainvalveclosetothepump's󰘱uid outlet.
3A2495L 15
Installation
NON
HAZARDOUS
NON NON
- --HAZARDOUS HAZARDOUS
LOCATION
LOCATION LOCATION
HAZARDOUS
HAZARDOUS HAZARDOUS
LOCATION
LOCATION LOCATION
Figure10TypicalInstallation
Typical
Typical Typical
Item
Item Item
AF
AG*GunAirHoseGroundWire
AH*GracoGroundedAirHose(left-hand
ALPumpAirLineLubricator
BV*PumpBleed-TypeAirShutoffValve
EGElectrostaticAirSprayGun
FD*
FFFluidFilter
FGFluidPressureGauge
FL
FRFluidPressureRegulator
Installation
Installation Installation
Description
Description Description
AirFilter/WaterSeparator
threads)
FluidDrainValve
FluidSupplyLine
Key
Key Key
Item
Item Item
FV
GRGunAirPressureRegulator
MA
PG*PumpGroundWire
PRPumpAirPressureRegulator
RVPumpRunawayValve
SPSupplyPump
SV*VentilationFanInterlockSolenoidValve
*Theseitemsarerequiredforsafeoperation.They mustbepurchasedseparately.
Description
Description Description
FluidShutoffValve
MainAirSupplyLine
NOTE:
NOTE: NOTE: aGracoaccessory.
Thesolenoidvalveisnotofferedas
16 3A2495L

Grounding

Grounding Grounding
Theequipmentmustbegroundedtoreducethe riskofstaticsparkingandelectricshock.Electric orstaticsparkingcancausefumestoigniteor explode.Impropergroundingcancauseelectric shock.Groundallequipment,personnel,objects beingsprayed,andconductiveobjectsinorclose tothesprayarea.Theresistancemustnotexceed 1megohm.Groundingprovidesanescapewire fortheelectriccurrent.
Whenoperatingtheelectrostaticgun,any ungroundedobjects(suchaspeople,containers,and tools)inthespraylocationcanbecomeelectrically charged.
Thefollowingareminimumgroundingrequirements forabasicelectrostaticsystem.Yoursystemmay includeotherequipmentorobjectswhichmustbe grounded.Yoursystemmustbeconnectedtoa trueearthground.Checkgroundconnectionsdaily. Checkyourlocalelectricalcodesandregulationsfor detailedgroundinginstructions.
Electrostatic Air-Assisted Spray Gun:
thegunbyconnectingtheGracoGrounded AirHosetothegun,andconnectingtheair hosegroundwiretoatrueearthground.See
CheckGunElectricalGrounding,page24.
Pump/󰘱uid source:
byconnectingitsgroundwiretoatrueearth ground.
Groundthepump/󰘱uidsource
Installation
Ground
All persons entering the spray area:
• shoeshavingconductivesolessuchasleather, orwearpersonalgroundingstraps.Donot wearshoeswithnon-conductivesolessuchas rubberorplastic.Ifglovesarenecessary,wear theconductiveglovessuppliedwiththegun.If non-Gracoglovesareworn,cutoff󰘰ngersorpalm areaofglovestoensureyourhandcontactsthe groundedgunhandle.Conductiveglovesand footwearmustnotexceed100megohmperEN ISO20344,EN1149–5.
Object being sprayed:
cleanandgroundedatalltimes.
Keeptheworkpiecehangers
mustwear
All electrically conductive objects or devices in the spray area:
Fluid and waste containers:
wastecontainersinthesprayarea.Donotusepail linersunlesstheyareconductiveandgrounded. When󰘱ushingthespraygun,thecontainerused tocatchtheexcess󰘱uidmustbeelectrically conductiveandgrounded.
Air compressors:
• tothemanufacturer'srecommendations.
All air and 󰘱uid lines
Useonlygroundedhoseswithamaximumof100 feet(30.5m)combinedhoselengthtoensure groundingcontinuity
The 󰘱oor of the spray area:
• conductiveandgrounded.Donotcoverthe󰘱oor withcardboardoranynon-conductivematerial whichwouldinterruptgroundingcontinuity
mustbeproperlygrounded.
Groundall󰘱uidand
Groundtheequipmentaccording
mustbeproperlygrounded.
mustbeelectrically
3A2495L
17
Installation
Flammable liquids in the spray area:
inapproved,groundedcontainers.Donotuse
mustbekept
plasticcontainers.Donotstoremorethanthe quantityneededforoneshift.
All solvent pails:
metalcontainers,whichareconductive.Donot useplasticcontainers.Useonlynon-󰘱ammable solvents.Donotstoremorethanthequantity neededforoneshift.
Useonlyapproved,grounded
18 3A2495L
Installation
Figure11GroundtheOperatorOperatorisgroundedthroughthegunhandleand
conductiveshoes.
Figure12GroundtheObjectbeingSprayedObjectbeingsprayedisgroundedthroughcontact
withthehangerandconveyorsystem.
3A2495L 19
Installation
Figure13GroundtheGunGunisgroundedthroughtheconductiveairhose.
Figure14GroundtheFluidSupplyFluidsupplylineandsourcemustbegrounded.
20 3A2495L

GunSetup

Gun
Gun Gun
Gun
Gun Gun
Seethe󰘰gurebelowtolocatetheelectrostaticgun controls.
Figure15ElectrostaticGunControls
1.TurnOFF(O)theESOn-Offswitch(J).
Setup
Setup Setup
Setup
Setup Setup
Procedure
Procedure Procedure
4.ConnecttheGracogroundedairhosetothegun
airinlet.Thegunairinlet󰘰ttinghasleft-hand threads.
5.FollowallstepsunderGrounding,page17.
6.Followallstepsunder
CheckGunElectricalGrounding,page24.
Readingmustbelessthan1megohm.
7.Verifythatthematerialresistivitymeets
requirementsforelectrostaticspray.See
CheckFluidResistivity,page25.
8.Connecttheexhausttubeandsecurewiththe
clampprovided.
2.Shutofftheairbleedvalvetothegun.
3.Checkgunresistance.See
TestGunResistance,page32.
9.Connectthe󰘱uidhosetothegun󰘱uidinlet.
10.Flushifneeded.SeeFlushing,page28.
3A2495L
21
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