Page 1

Instructions-Parts
WB100
WB100 WB100 
Pro
Pro Pro
Air
Air Air 
one
one one 
For
For For
100psi(0.7MPa,7.0bar)Maximum 
FluidWorkingPressure 
100psi(0.7MPa,7.0bar)MaximumAir 
WorkingPressure
Seepages3and4formodelpart 
numbersandapprovalinformation.
Xp™
Xp™ Xp™
spray
spray spray
of
the
of of
the the
professional
professional professional
Important
Important Important 
Readallwarningsandinstructionsinthismanual.Save Save 
instructions.
instructions. instructions.
Isolation
Isolation Isolation
60
WB
60 60
WB WB
system
system system
conditions
conditions conditions
for
use
for for
use
use use
Safety
Safety Safety
when
use use
when when
for
non
for for
non non
- --ammability ammability
only.
only. only.
Instructions
Instructions Instructions
System
System System
Gun
Gun Gun
electrostatically
electrostatically electrostatically
ammability
and
and and
3A2496H
EN
spraying
spraying spraying
listed
on
listed listed
on on
conductive,
conductive, conductive,
page
3.
page page
3. 3.
Save
these
these these
waterborne
waterborne waterborne
uids
that
meet
at
uids uids
that that
meet meet
least
at at
least least
PROVENQUALITY.LEADINGTECHNOLOGY.
Page 2

Contents
Contents Contents
Models.................................................................3
RelatedManuals..................................................4
Warnings.............................................................5
GunOverview......................................................8
HowtheElectrostaticSprayGunWorks...........8
SprayingWaterborneFluids
Electrostatically................................8
Controls,Indicators,andComponents.............9
SmartGuns.................................................10
Installation..........................................................15
SystemRequirements..................................15
WarningSign...............................................15
InstalltheSystem.........................................15
VentilatetheSprayBooth.............................15
AirSupplyLine............................................16
GroundtheCabinet......................................16
ConnecttheWaterborneFluidHose..............17
Grounding...................................................22
AgitatorKitAccessory..................................24
FluidRegulatorKitAccessory.......................25
GunSetup..........................................................26
GunSetupProcedure...................................26
SoftSprayGunSetupProcedure..................30
HVLPGunSetupProcedure.........................31
RoundSprayGunSetupProcedure..............33
AbrasiveMaterialGunSetup
Procedure......................................35
MoldReleaseGunSetupProcedure.............36
CheckGunElectricalGrounding...................38
FlushBeforeUsingEquipment......................38
Operation...........................................................39
PressureReliefProcedure............................39
FluidVoltageDischargeandGrounding
Procedure......................................39
FilltheFluidSupply......................................40
Startup........................................................40
Shutdown....................................................41
Maintenance......................................................42
DailyCareandCleaningChecklist................42
Flushing......................................................42
CleantheGunDaily.....................................44
DailySystemCare.......................................46
ElectricalTests...................................................47
TestGunResistance....................................47
TestPowerSupplyResistance.....................48
TestElectrodeResistance............................49
TestGroundStripResistance.......................50
TestCylinderResistance..............................50
Troubleshooting..................................................51
VoltageLossTroubleshooting.......................51
SprayPatternTroubleshooting......................54
GunOperationTroubleshooting....................55
ElectricalTroubleshooting............................56
Repair................................................................58
PreparetheGunforService.........................58
AirCapandNozzleReplacement..................59
AirCap,SprayTip,andNozzle
Replacement(Model
L60M19)........................................60
ElectrodeReplacement................................61
NeedleReplacement(ModelL60M19)...........62
FluidPackingRodRemoval..........................62
PackingRodRepair.....................................63
BarrelRemoval............................................65
BarrelInstallation.........................................65
PowerSupplyRemovaland
Replacement..................................66
AlternatorRemovalandReplacement...........67
FanAirAdjustmentValveRepair..................69
AtomizingAirRestrictorValveRepair............70
ESOn-OffandFluidAdjustmentValve
Repair............................................71
AirValveRepair...........................................72
SmartModuleReplacement..........................73
AirSwivelandExhaustValve
Replacement..................................74
Parts..................................................................75
StandardWaterborneAirSprayGun
Assembly.......................................75
SmartWaterborneAirSprayGun
Assembly.......................................77
MoldReleaseSmartAirSprayGun
Assembly.......................................79
IsolationEnclosure.......................................81
TubingandWiring.......................................84
PackingRodAssembly.................................86
AlternatorAssembly.....................................87
ESOn-OffandFluidAdjustmentValve...........88
FanAirAdjustmentValveAssembly..............89
AtomizingAirRestrictorValve
Assembly.......................................89
AirCapAssembly........................................90
SmartModuleAssembly...............................90
RoundSprayAssembly................................91
FluidNozzles.....................................................93
FluidNozzleSelectionChart.........................93
FluidNozzlePerformanceCharts..................94
AirCaps.............................................................96
AirCapSelectionGuide...............................96
AirConsumptionCharts.............................101
SprayTipSelectionChart(ModelL60M19MRG
GunOnly)...........................................102
AEMFineFinishSprayTips........................102
AEFFineFinishPre-OriceSpray
Tips.............................................103
RoundSprayTips......................................104
RepairKitsandAccessories..............................105
Dimensions......................................................109
TechnicalSpecications....................................111
2
3A2496H
Page 3

Models
Models
Models Models
FMapprovedforusewithuidsthatmeetthefollowingcondition:
•MaterialdoesnotsustainburninginaccordancewiththeStandardTest 
MethodforSustainedBurningofLiquidMixtures,ASTMD4206.
0.35
0.35 0.35
Part
Part Part
24N580WB100WaterborneIsolationEnclosure233825withstandardelectrostaticairspraygun
24P629WB100WaterborneIsolationEnclosure233825withsmartelectrostaticairspraygun
24P630WB100WaterborneIsolationEnclosure246511withstandardelectrostaticairspraygun
24P631WB100WaterborneIsolationEnclosure246511withsmartelectrostaticairspraygun
233825WB100
24P734WB100
246511WB100
L60T17ProXp60
with
50
hose
J, J,J,with with
FM12ATEX0080
FM12ATEX0080 FM12ATEX0080
No
No No
50 50
ft ftfthose hose
EN
50059
EN EN
50059 50059
Ta
0°C
Ta Ta
50°C
0°C 0°C
– ––50°C 50°C
Model
Model Model
WB
max
max max
•Materialswhichcannotbeignited,inanymixturewithair,byanenergy
Description
Description Description
L60T17,groundedairhose235070,andshieldedwaterborneuidhose24M732.
L60M17,groundedairhose235070,andshieldedwaterborneuidhose24M732.
L60T18,groundedairhose235070,andunshieldedwaterborneuidhose24M733.
L60M18,groundedairhose235070,andunshieldedwaterborneuidhose24M733.
WaterborneIsolationEnclosureforshieldedhoses.Doesnotincludehosesandgun.
WaterborneIsolationEnclosure246511withMRGsmartelectrostaticairspraygun 
L60M19,groundedairhose235070,andunshieldedwaterborneuidhose24M733.
WaterborneIsolationEnclosureforunshieldedhoses.Doesnotincludehoses 
andgun.
StandardElectrostaticAirSprayGun,forwaterbornecoatings.
ModelsCompliantwithEN50059whenused
withuidsthatmeetthefollowingcriteria:
sourceoflessthan500mJ.
L60M17ProXp60
L60T18ProXp60
L60M18ProXp60
L60M19ProXp60
WBMRG
24M732
24M733
25N916
25N917
-——
-——
-——
-——
WB
WB
WB
SmartElectrostaticAirSprayGun,forwaterbornecoatings.
StandardElectrostaticAirSprayGun,forwaterbornecoatings.
SmartElectrostaticAirSprayGun,forwaterbornecoatings.
SmartElectrostaticAirSprayGun,formoldreleaseapplications.
ShieldedWaterborneFluidHoseAssembly,25ft(7.6m).
UnshieldedWaterborneFluidHoseAssembly,25ft(7.6m).
ShieldedWaterborneFluidHoseAssembly,50ft(15.2m).
UnshieldedWaterborneFluidHoseAssembly,50ft(15.2m).
3A2496H3
Page 4

RelatedManuals
Related
Related Related
Manual
Manual Manual
3A2498
307263ProbeandMeter,Instructions
309455TestFixture,HighVoltageProbe,andkVMeter,Instructions
406999
No.
No. No.
Manuals
Manuals Manuals
Description
Description Description
RoundSprayKit,Instructions
VoltageTesterConversionKit,Instructions
4
3A2496H
Page 5

Warnings
Warnings Warnings
Thefollowingwarningsareforthesetup,use,grounding,maintenance,andrepairofthisequipment.The 
exclamationpointsymbolalertsyoutoageneralwarningandthehazardsymbolsrefertoprocedure-specic 
risks.Whenthesesymbolsappearinthebodyofthismanualoronwarninglabels,referbacktothese 
Warnings.Product-specichazardsymbolsandwarningsnotcoveredinthissectionmayappearthroughout 
thebodyofthismanualwhereapplicable.
WARNING
WARNING WARNING
FIRE
AND
FIRE FIRE
Combustibledustinwork work
•Fluidsusedmustmeetthefollowingammabilityrequirements:
Stop
•Stop Stop 
equipmentuntilyouidentifyandcorrecttheproblem.
•Checkgunresistance,hoseresistance,andelectricalgroundingdaily.
•Useandcleanequipmentonlyinwellventilatedarea.
•Interlockthegunairsupplytopreventoperationunlessventilationairowisabovethe 
minimumrequiredvalue.
•Onlyusenon-ammablesolventswhenushingorcleaningequipment.
•Alwaysturntheelectrostaticsoffwhenushing,cleaningorservicingequipment.
•Eliminateallignitionsources;suchaspilotlights,cigarettes,portableelectriclamps,and 
plasticdropcloths(potentialstaticarc).
•Donotplugorunplugpowercordsorturnlightsonoroffwhenammablefumesarepresent.
•Keepsprayareafreeofdebris,includingsolvent,ragsandgasoline.
•Keepaworkingreextinguisherintheworkarea.
EXPLOSION
AND AND
EXPLOSION EXPLOSION
FM,
FMc
•FM, FM, 
MaterialdoesnotsustainburninginaccordancewiththeStandardTestMethodfor 
SustainedBurningofLiquidMixtures,ASTMD4206.
CE
•CE CE 
Materialswhichcannotbeignited,inanymixturewithair,byanenergysourceof 
lessthan500mJ.
operation
operation operation
Approved:
FMc FMc
Approved: Approved:
EN
50059
- --EN EN
50059 50059
immediately
immediately immediately
HAZARD
HAZARD HAZARD
work
area
area area
canigniteorexplode.Tohelppreventreandexplosion:
Compliant:
Compliant: Compliant:
ifstaticsparkingoccursoryoufeelashock.Donotuse
Warnings
3A2496H5
Page 6

Warnings
WARNING
WARNING WARNING
ELECTRIC
ELECTRIC ELECTRIC
Impropergrounding,setup,orusageofanisolatedwaterbornesystemcanresultinelectric 
shock.Tohelppreventelectricshock:
•Groundallequipment,personnel,objectbeingsprayed,andconductiveobjectsinorclose 
tosprayarea.SeeGrounding Grounding
•Connecttheelectrostaticguntoavoltageisolationsystemthatwilldischargethesystem 
voltagewhennotinuse.
•Allcomponentsoftheisolationsystemthatarechargedtohighvoltagemustbecontained 
withinanisolationenclosurethatpreventspersonnelfrommakingcontactwiththehigh 
voltagecomponentsbeforethesystemvoltageisdischarged.
•FollowtheFluid Fluid 
thevoltage;beforecleaning,ushing,orservicingthesystem;beforeapproachingthefrontof 
thegun;andbeforeopeningtheisolationenclosurefortheisolateduidsupply.
•Donotenterahighvoltageorhazardousareauntilallhighvoltageequipmenthasbeen 
discharged.
•Donottouchthegunnozzleorelectrode,orcomewithin4in.(102mm)oftheelectrode 
duringgunoperation.FollowtheFluid Fluid
•Interlockthegunairsupplywiththevoltageisolationsystemtoshutofftheairsupplyanytime 
theisolationsystemenclosureisopened.
•Onlyusethered-coloredGracoelectricallyconductivegunairhosewiththisgun.Donot 
useblackorgray-coloredGracoairhoses.
•Donotsplicehosestogether.InstallonlyonecontinuousGracowaterborneuidhose 
betweentheisolateduidsupplyandthespraygun.
PRESSURIZED
PRESSURIZED PRESSURIZED 
Fluidfromtheequipment,leaks,orrupturedcomponentscansplashintheeyesoronskin 
andcauseseriousinjury.
SHOCK
SHOCK SHOCK
Fluid
HAZARD
HAZARD HAZARD
Grounding
Voltage
Voltage Voltage
EQUIPMENT
EQUIPMENT EQUIPMENT
instructions.
Discharge
Discharge Discharge
HAZARD
HAZARD HAZARD
and
Grounding
and and
Grounding Grounding
Fluid
Voltage
Voltage Voltage
Procedure
Procedure Procedure
Discharge
Discharge Discharge
and
and and
wheninstructedtodischarge
Grounding
Grounding Grounding
Procedure
Procedure Procedure
.
•FollowthePressure Pressure 
cleaning,checking,orservicingequipment.
•Tightenalluidconnectionsbeforeoperatingtheequipment.
•Checkhoses,tubes,andcouplingsdaily.Replacewornordamagedpartsimmediately.
Pressure
Relief
Procedure
Relief Relief
Procedure Procedure
whenyoustopspraying/dispensingandbefore
63A2496H
Page 7

Warnings
WARNING
WARNING WARNING
EQUIPMENT
EQUIPMENT EQUIPMENT 
Misusecancausedeathorseriousinjury.
•Donotoperatetheunitwhenfatiguedorundertheinuenceofdrugsoralcohol.
•Donotexceedthemaximumworkingpressureortemperatureratingofthelowestrated 
systemcomponent.SeeTechnical Technical
•Useuidsandsolventsthatarecompatiblewithequipmentwettedparts..SeeTechnical Technical 
Specications
Specications Specications 
Forcompleteinformationaboutyourmaterial,requestaSafetyDataSheet(SDS)from 
yourdistributororretailer.
•Donotleavetheworkareawhileequipmentisenergizedorunderpressure.
•TurnoffallequipmentandfollowthePressure Pressure
•Checkequipmentdaily.Repairorreplacewornordamagedpartsimmediatelywithgenuine 
manufacturer’sreplacementpartsonly.
•Donotalterormodifyequipment.Alterationsormodicationsmayvoidagencyapprovals 
andcreatesafetyhazards.
•Makesureallequipmentisratedandapprovedfortheenvironmentinwhichyouareusingit.
•Useequipmentonlyforitsintendedpurpose.Callyourdistributorforinformation.
•Routehosesandcablesawayfromtrafcareas,sharpedges,movingparts,andhotsurfaces.
•Donotkinkoroverbendhosesorusehosestopullequipment.
•Keepchildrenandanimalsawayfromworkarea.
•Complywithallapplicablesafetyregulations.
PLASTIC
PLASTIC PLASTIC 
Manysolventscandegradeplasticpartsandcausethemtofail,whichcouldcauseserious 
injuryorpropertydamage.
MISUSE
MISUSE MISUSE
PARTS
PARTS PARTS
HAZARD
HAZARD HAZARD
Technical
inallequipmentmanuals.Readuidandsolventmanufacturer’swarnings.
CLEANING
CLEANING CLEANING
SOLVENT
SOLVENT SOLVENT
Specications
Specications Specications
Pressure
HAZARD
HAZARD HAZARD
Relief
Relief Relief
inallequipmentmanuals.
Procedure
Procedure Procedure
whenequipmentisnotinuse.
Technical
•Useonlycompatiblewater-basedsolventstocleanplasticstructuralorpressure-containing 
parts.
•SeeTechnical Technical
TOXIC
TOXIC TOXIC 
Toxicuidsorfumescancauseseriousinjuryordeathifsplashedintheeyesoronskin, 
inhaled,orswallowed.
•ReadSafetyDataSheet(SDS)toknowthespecichazardsoftheuidsyouareusing.
•Storehazardousuidinapprovedcontainers,anddisposeofitaccordingtoapplicable
PERSONAL
PERSONAL PERSONAL 
Wearappropriateprotectiveequipmentwhenintheworkareatohelppreventseriousinjury, 
includingeyeinjury,hearingloss,inhalationoftoxicfumes,andburns.Thisprotective 
equipmentincludesbutisnotlimitedto:
•Protectiveeyewear,andhearingprotection.
•Respirators,protectiveclothing,andglovesasrecommendedbytheuidandsolvent
Technical
thesolventmanufacturerforinformationandrecommendationsaboutcompatibility.
FLUID
FLUID FLUID
guidelines.
manufacturer.
Specications
Specications Specications
OR
FUMES
OR OR
FUMES FUMES
PROTECTIVE
PROTECTIVE PROTECTIVE
inallequipmentmanualsformaterialsofconstruction.Consult
EQUIPMENT
EQUIPMENT EQUIPMENT
3A2496H
7
Page 8

GunOverview
Gun
Gun Gun
How
How How 
Works
Works Works
Theairhosesuppliesairtothespraygun.Partofthe 
airoperatesthealternatorturbineandtherestofthe 
airatomizestheuidbeingsprayed.
Thealternatorgeneratespower,whichisconverted 
bythepowercartridgetosupplyhighvoltagetothe 
gun’selectrode.
Thepumpsuppliesuidtotheuidhoseandgun, 
wheretheuidiselectrostaticallychargedasit 
passestheelectrode.Thechargeduidisattracted 
tothegroundedworkpiece,wrappingaroundand 
evenlycoatingallsurfaces.
Spraying
Spraying Spraying 
Electrostatically
Electrostatically Electrostatically
Thiselectrostaticairspraygunisdesignedtospray 
only
only only 
ammabilityrequirements:
Overview
Overview Overview
the
Electrostatic
the the
Electrostatic Electrostatic
Waterborne
Waterborne Waterborne
waterborneuidswhichmeetthefollowing
Spray
Spray Spray
Fluids
Fluids Fluids
Gun
Gun Gun
CE-EN
•CE-EN CE-EN 
Materialswhichcannotbeignited,inanymixture 
withair,byanenergysourceoflessthan500mJ.
Whenconnectedtoavoltageisolationsystem, 
alloftheuidinthespraygun,uidhose,and 
isolateduidsupplyischargedtohighvoltage, 
whichmeansthatthesystemhasmoreelectrical 
energythanasolvent-basedsystem.Therefore, 
onlynon-ammableuids(asdenedunder
Models,page3)canbesprayedwiththesystemor
beusedtoclean,ush,orpurgethesystem.
Precautionsmustbetakenwhenusingelectrostatic 
waterborneequipmenttoavoidpotentialshock 
hazards.Whenthespraygunchargestheisolated 
uidtohighvoltage,itissimilartocharginga 
capacitororabattery.Thesystemwillstoresomeof 
theenergywhilesprayingandretainsomeofthat 
energyafterthespraygunisshutoff.Donottouch 
thegunnozzleorcomewithin4in.(102mm)of 
theelectrodeuntilthestoredenergyisdischarged. 
Theamountoftimeittakestodischargethe 
energydependsonthesystemdesign.Followthe
FluidVoltageDischargeandGroundingProcedure, 
page39,beforeapproachingthefrontofthegun.
50059
50059 50059
Compliant:
Compliant: Compliant:
FM,
FMc
•FM, FM, 
Materialdoesnotsustainburninginaccordance 
withtheStandardTestMethodforSustained 
BurningofLiquidMixtures,ASTMD4206.
Approved:
FMc FMc
Approved: Approved:
NOTE:
NOTE: NOTE: 
voidiftheelectrostaticspraygunisconnectedtoa 
non-Gracovoltageisolationsystemorifthegunis 
operatedabove60kV.
TheGracowarrantyandapprovalsare
83A2496H
Page 9

GunOverview
Controls,
Controls, Controls,
Theelectrostaticgunincludesthefollowingcontrols,indicators,andcomponents.ForinformationonSmart 
guns,alsoseeSmartGuns,page10.
Figure1GunOverview
Item
Item Item
Indicators,
Indicators, Indicators,
Description
Description Description
and
Components
and and
Components Components
Purpose
Purpose Purpose
A
BFluidInlet
C
D
EElectrodeNeedle
FFanAirAdjustmentValve
G
HFluidAdjustmentKnob
J
K
AirSwivelInlet1/4npsm(m)left-handthread,forGracored-coloredgroundedair
TurbineAirExhaust
AirCapandNozzleSeeAirCaps,page96andFluidNozzles,page93foravailable
AtomizingAirRestrictor 
Valve
ESOn-OffValveTurnselectrostaticsON(I)orOFF(O).
ESIndicator(standard 
gunonly;forSmart 
gunindicator,see
OperatingMode,page10)
supplyhose.
Gracowaterborneuidsupplyhose
Barbedtting,forsuppliedexhausttube.
sizes.
Supplieselectrostaticchargetotheuid.
Adjustsfansizeandshape.Canbeusedtodecreasepatternwidth.
Restrictsaircapairow.Replacewithplug(included)ifdesired.
Adjustsuidowbylimitinguidneedletravel.Useonlyinlowow 
conditions,toreducewear.
LitwhenESisON(I).Colorindicatesalternatorfrequency.Seethe 
LEDindicatortableonpage36.
3A2496H9
Page 10

GunOverview
Smart
Smart Smart
TheSmartGunmoduledisplayssprayingvoltage, 
current,alternatorspeed,andthevoltagesetting(low 
orhigh).Italsoallowstheusertochangetoalower 
sprayingvoltage.Themodulehastwomodes:
•OperatingMode
•DiagnosticMode
Operating
Operating Operating
Bar
Bar Bar
SeeFig.2andSmartGunKey,page12.The 
OperatingModedisplaysgundataduringnormal 
spraying.Thedisplayusesabargraphtoshowthe 
voltagelevelinkiloVolts(kV)andthecurrentlevelin 
microAmperes(uA).Thebargraphrangeisfrom0 
to100%foreachvalue.
IfthebargraphLEDsareblue,thegunisreadyto 
spray.IftheLEDsareyelloworred,thecurrentis 
toohigh.Theuidmaybetooconductive,orsee
ElectricalTroubleshooting,page56forotherpossible
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,page11.
NOTE:
NOTE: NOTE: 
haslostcommunicationwiththepowersupply.See
ErrorDisplay,page11forfurtherinformation.
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 
26A160.Then,adjustthepressureasneededto 
ensuretoensuretheindicatorremainsgreen.
Figure2SmartGunModuleinOperatingMode
103A2496H
Page 11

GunOverview
Error
Error Error
IftheSmartmodulelosescommunicationwith 
thepowersupply,theErrordisplayappears,the 
Hzindicatorturnsred,andtheSmartmoduleis 
disabled.SeeFig.3andSmartGunKey,page12. 
ThiscanoccurinOperatingModeorDiagnostic 
Mode.SeeElectricalTroubleshooting,page56. 
CommunicationmustberestoredtomaketheSmart 
modulefunctional.
NOTE:
NOTE: NOTE: 
appear.Ifthegunhasbeendisassembled,wait8 
secondsbeforesprayingtoensurethatanError 
conditionhasnotoccurred.
NOTE:
NOTE: NOTE: 
displaywillnotappear.
Display
Display Display
Ittakes8secondsfortheErrordisplayto
Ifthereisnopowertothegun,theError
NOTE:
NOTE: NOTE: 
returntotheOperatingScreen.
NOTE:
NOTE: NOTE:
LockSymbol,page11.
Figure4LowVoltageSettingScreen(Unlocked)
Lock
Lock Lock
Thelowvoltagesettingmaybelocked.Whenlocked, 
animage(LK)appearsonthescreen.SeeFig.5 
andSmartGunKey,page12.
After2secondsofinactivitythedisplaywill
Thelowvoltagesettingmaybelocked.See
Symbol
Symbol Symbol
Figure3ErrorDisplay
Adjusting
Adjusting Adjusting
Thelowvoltagesettingisuseradjustable.Toaccess 
thelowvoltagesettingscreenwheninOperating 
Mode,presstheLOSETbutton(LS)momentarily. 
Thescreenwilldisplaythecurrentlowvoltage 
setting.SeeFig.4andSmartGunKey,page12. 
Therangeis30–60kV.
SettheVoltageAdjustmentswitch(VA)toLO.Press 
theLOSETbuttonrepeatedlytoincreasethesetting 
inincrementsof5.Whenthedisplayreachesthe 
maximumsetting(60kV)itwillreturntotheminimum 
setting(30kV).Continuepressingthebuttonuntil 
youreachthedesiredsetting.
the
Low
the the
Voltage
Low Low
Voltage Voltage
Setting
Setting Setting
•WheninHImode,thelowvoltagesettingisalways always 
locked.ThelocksymbolwillappearwhentheLO 
SETbuttonispressed.
•WheninLOmode,thelocksymbolwill 
only
only only
appearifthelockisenabled.See
LowVoltageLockScreen,page14,tolockor
unlockthelowvoltagesetting.
Figure5LowVoltageSettingScreen(Locked)
always
3A2496H
11
Page 12

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.
12
3A2496H
Page 13

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 
andDiagnosticMode.
ToenterDiagnosticMode,pressandholdtheLOSET 
(LS)buttonforapproximately5seconds.Thedisplay 
willgototheVoltage(kiloVolts)Screen,page13.
Toadvancetothenextscreen,presstheLOSET 
buttonagain.
ToexitDiagnosticMode,pressandholdtheLOSET 
buttonforapproximately5seconds.Thescreenwill 
returntoOperatingMode.
NOTE:
NOTE: NOTE: 
Mode,thelastscreenviewedwillbedisplayedwhen 
thegunisretriggered.
NOTE:
NOTE: NOTE: 
fromtheLowVoltageLockScreen.See
LowVoltageLockScreen,page14fordetails.
Mode
Mode Mode
YoumustbeinOperatingModetoadjustthe
IfthegunisdetriggeredwhileinDiagnostic
DiagnosticModecannotbeexited
Figure6Voltage(kiloVolts)Screen
Current
Current Current
TheCurrent(microAmperes)Screenisthesecond 
screenintheDiagnosticMode.SeeFig.7and
SmartGunKey,page12.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)Screenistherstscreento 
appearafterenteringDiagnosticMode.SeeFig.6 
andSmartGunKey,page12.Toenterthisscreen, 
pressandholdtheLOSETbuttonforapproximately 
5secondswhileintheOperatingMode.
Thisscreendisplaysthesprayingvoltageofthe 
gunasanumber(kV),roundedtothenearest5kV. 
ThetwotoprightLEDs(VI)ofthedisplaypanel 
light,indicatingthattheVoltage(kiloVolts)Screen 
isdisplayed.Thedisplayisareadoutandcannot 
bechanged.
PresstheLOSETbuttontoadvancetothe
Current(microAmperes)Screen,page13.Press
andholdforapproximately5secondstoreturnto 
OperatingMode.
(kiloVolts)
(kiloVolts) (kiloVolts)
Screen
Screen Screen
PresstheLOSETbuttontoadvancetothe
AlternatorSpeed(Hertz)Screen,page14.Press
andholdforapproximately5secondstoreturnto 
OperatingMode.
Figure7Current(microAmperes)Screen
3A2496H13
Page 14

GunOverview
Alternator
Alternator Alternator
TheAlternatorSpeed(Hertz)Screenisthethird 
screenintheDiagnosticMode.SeeFig.8and
SmartGunKey,page12.Toenterthisscreen,
presstheLOSETbuttonwhileintheCurrent 
(microAmperes)Screen.
Thisscreendisplaysthealternatorspeedasa3 
digitnumber(AS),roundedtothenearest5Hz.The 
displayisareadoutandcannotbechanged.Ifthe 
alternatorspeedisgreaterthan999Hz,thedisplay 
willshow999.
TheHzindicatorlightsgreentoshowthatyouare 
viewingtheAlternatorSpeed(Hertz)Screen.
PresstheLOSETbuttontoadvancetothe
LowVoltageLockScreen,page14.Pressandhold
forapproximately5secondstoreturntoOperating 
Mode.
Speed
Speed Speed
(Hertz)
(Hertz) (Hertz)
Screen
Screen Screen
Low
Voltage
Low Low
Voltage Voltage
TheLowVoltageLockScreenisthefourth 
screenintheDiagnosticMode.SeeFig.9and
SmartGunKey,page12.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
14
3A2496H
Page 15

Installation
Installation
Installation Installation
System
System System
Theuseofmultiplegunswithoneisolationcabinet 
maycauseelectricshock,re,orexplosion.To 
helppreventinjuryorequipmentdamage,useonly 
onegunperisolationcabinet.
AGracovoltageisolationsystemmusthavethe 
followingfeatures:
•Anisolationenclosurethatpreventspersonsfrom 
makingcontactwiththehighvoltagecomponents 
beforethesystemvoltageisdischarged.All 
componentsoftheisolationsystemthatare 
chargedtohighvoltagemustbecontainedwithin 
theenclosure.
•Ableedresistortodrainoffthesystemvoltage 
whenthespraygunisnotinuse.Ametalpartof 
theuidsupplyunitmustbeelectricallyconnected 
tothebleedresistor.
•Asafetyinterlockthatautomaticallydischargesthe 
systemvoltagewhenanyoneopenstheisolation 
enclosure.
Requirements
Requirements Requirements
Install
Install Install
Installingandservicingthisequipmentrequires 
accesstopartswhichmaycauseelectricshock 
orotherseriousinjuryifworkisnotperformed 
properly.
•Donotinstallorservicethisequipmentunless
•Complywithalllocalcodesandregulations
Fig.19showsatypicalelectrostaticairspraysystem. 
Itisnotanactualsystemdesign.Forassistance 
indesigningasystemtosuityourparticularneeds, 
contactyourGracodistributor.
Ventilate
Ventilate Ventilate
the
the the
youaretrainedandqualied.
System
System System
the
Spray
the the
Spray Spray
Booth
Booth Booth
NOTICE
NOTICE NOTICE
Thesystemshouldnothaveanyseverearcing 
occurringwhentheisolationmechanismopens 
andcloses.Severearcingwillshortenthelifeof 
thesystemcomponents.
NOTE:
NOTE: NOTE: 
voidiftheelectrostaticspraygunisconnectedtoa 
non-Gracovoltageisolationsystemorifthegunis 
operatedabove60kV.
Warning
Warning Warning
Mountwarningsignsinthesprayareawherethey 
caneasilybeseenandreadbyalloperators.An 
EnglishWarningSignisprovidedwiththegun.
TheGracowarrantyandapprovalsare
Sign
Sign Sign
Donotoperatethegununlessventilatingairowis 
abovetheminimumrequiredvalue.Providefresh 
airventilationtoavoidthebuildupofammableor 
toxicvaporswhenspraying,ushing,orcleaning 
thegun.Interlockthegunairanduidsupply 
topreventoperationunlessventilatingairowis 
abovetheminimumrequiredvalue.
Thesprayboothmusthaveaventilationsystem.
Electricallyinterlockthegunairanduidsupplywith 
theventilatorstopreventgunoperationanytimethat 
theventilationairowfallsbelowminimumvalues. 
Checkandfollowalllocalcodesandregulations 
regardingairexhaustvelocityrequirements.Verify 
theoperationoftheinterlockatleastonceayear.
NOTE:Theminimumallowableairexhaustvelocity 
is60feet/minute(19linearmeters/minute).High 
velocityairexhaustwilldecreasetheoperating 
efciencyoftheelectrostaticsystem.
3A2496H15
Page 16

Installation
Air
Supply
Air Air
Supply Supply
Toreducetheriskofelectricshock,theairsupply 
hosemustbeelectricallyconnectedtoatrueearth 
ground.Use Use 
Hose.
Hose. Hose.
Toreducetheriskofelectricshockorother 
seriousinjury,youmustusethered-coloredGraco 
ElectricallyConductiveAirHoseforthegunair 
supply,andyoumustconnectthehoseground 
wiretoatrueearthground.Donotusetheblack 
orgray-coloredGracoairhoses.
1.SeeFig.19.Installanairlinelter/water 
separator(M)onthemainairsupplylineto 
ensureadry,cleanairsupplytothegun.Dirtand 
moisturecanruintheappearanceofyournished 
workpieceandcancausetheguntomalfunction.
2.TheWB100systemincludesableed-typeair 
regulator(N)onthegunairsupplyline(P),to 
controlairpressuretothegun.
3.Connectthered-coloredGracoElectrically 
ConductiveAirHose(P)betweenthegunair 
regulator(N)andthegun’sairinlet.Thegunair 
inletttinghasaleft-handthread.Connectthe 
airsupplyhosegroundwire(Q)toatrueearth 
ground.
Line
Line Line
Use
only
Graco
only only
Graco Graco
Grounded
Grounded Grounded
Air
Supply
Air Air
Supply Supply
Trappedaircancausetheuidsupplyunitto 
cycleunexpectedly,whichcanresultinserious 
injury,includingsplashinguidintheeyesor 
ontheskin.Donotoperatetheequipment 
withoutthebleed-typeairvalve(B)installed.
4.TheWB100systemincludesableed-typeair 
valve(B).Thebleed-typeairvalveisrequired 
toshutoffallairtothesystemandrelieveair 
trappedbetweenthevalveandtheuidsupply 
unitaftertheairregulatorisshutoff.Connectthe 
mainairsupplyline(A)tothebleedvalve.
5.Installanadditionalbleed-typeairvalve(CC) 
upstreamoftheairlter(M)toisolatethelter 
forservicing.
Ground
Ground Ground
Connectthemaingroundwire(V)toatrueearth 
ground.
the
Cabinet
the the
Cabinet Cabinet
163A2496H
Page 17

Installation
Connect
Connect Connect
AlwaysuseaGracowaterborneuidhosebetween 
thevoltageisolationsystemuidoutletandthegun 
uidinlet.Thewaterborneuidhose(101)consists 
ofaninnerPTFEtube(T)andanabrasion-resistant 
outerjacket(J).Shieldedhose24M732alsohas 
aconductivelayer(C),Theconductivelayeris 
connectedtogroundatthegunttingbracket(104).
Beforeconnectingthewaterborneuidhosetothe 
gun,blowitoutwithairandushwithwaterto 
removecontaminants.Flushthegunbeforeusingit.
Toreducetheriskofelectricshock,installonly 
onecontinuousGracowaterbornehosebetween 
theisolateduidsupplyandthegun.Donotsplice 
hosestogether.
1.Removethegunairinlettting(21).
NOTE:
NOTE: NOTE: 
failureoccurswherehighvoltagearcsthrough 
theinnertube,voltagewillbedischargedto 
groundthroughtheconductivehoselayer.When 
properlyinstalled,theconductivehoselayeris 
groundedthroughitsconnectiontothegrounded 
enclosure.
Usingunshieldeduidhosesminimizesthe 
systemcapacitance,resultinginfasterresponse 
timesandalargereductionintheenergystored 
inthesystem,ascomparedtoshieldedhoses. 
However,withoutthegroundshield,aweak 
staticchargecanoccasionallybuilduponthe 
outersurfaceofthehose.Tominimizeany 
staticchargefeltonthehosesurface,bundle 
theairanduidhosetogether,andwrapwitha 
protectivecover,asshown.
the
Waterborne
the the
Waterborne Waterborne
Inashieldedhosesystem,ifahose
Fluid
Fluid Fluid
Hose
Hose Hose
Figure10ConnecttheFluidHose
Figure11BundlingtheAirandFluidHoses
3A2496H
17
Page 18

Installation
2.Fortheuidhosetotproperly,itmustbe 
strippedandassembledtothedimensionsshown 
inFig.12.Applydielectricgreasetotheinner 
tube(T)ofthehose.Slidethetting(F)onto 
thetube(T).Pressthebarbedtting(G)intothe 
tubeuntilitsshoulderbottomsonthetube.A 
newGracowaterborneuidhosecomesfully 
assembledtothesedimensions.
NOTICE
NOTICE NOTICE
Becarefulnottocutintotheinnertube(T)of 
thehosewhenstrippingthehose.Nicksor 
cutsinthePTFEtubewillcausepremature 
hosefailure.
Figure12ShieldedHose24M732Dimensions 
atGun
4.Loosenthestrainreliefnut(102)sothebracket 
canmovefreelyonthehose.
5.Alignthebracket(104)holeswiththeairinletand 
exhaustoutlet.Securewiththeairinlettting 
(21).Tightenthestrainreliefnut(102)tosecure 
thehose.
6.Checkthatthenut(105)istightenedsecurelyto 
theferrulehousing(103).
7.Presstheexhausttube(36)ontotheexhaust 
valvebarb(C).Securewiththeclamp(43).
8.Connecttheotherendofthehosetotheisolated 
uidsupplyasfollows:
GracoWB100Enclosure:
a.
thestrainrelieftting(W).Ensureconductive 
layer(C)haspassedthroughtting.Tighten 
to55in-lb(6.2N•m).Pullbackonhoseto 
checkitissecure.
For
Shielded
For For
Shielded Shielded
Conductivehoselayer(C)mustbe 
groundedthroughitsconnectiontothe 
isolationsystem’sgroundedenclosure(L) 
orgroundedfence.Tomaintaingrounding 
continuity,theconductivehoselayer(C) 
mustbeengagedintheferrulewhenthe 
strainreliefnutistightened.Failureto 
properlyinstallthehoseinthestrainrelief 
couldresultinanelectricshock.
Hose
Hose Hose
Slidehosethrough
Systems:
Systems: Systems:
Figure13UnshieldedHose24M733Dimensions 
atGun
3.Generouslyapplydielectricgrease(44)tothe 
o-ring(107)andthethreadsofthetting(106). 
Pullthettingback1-1/2in.(38mm)andapply 
greasetotheexposedPTFEhosetollthearea 
betweenthehoseandthetting.Makesurethe 
barrelinletiscleananddry,thenscrewthetting 
intotheuidinletofthegunbarrel(1).
Figure14ShieldedHose24M732 
DimensionsatWB100Enclosure
183A2496H
Page 19

Installation
Figure15ShieldedHose24M732 
ConnectionatWB100Enclosure
Non-GracoIsolatedEnclosure:
b.
hoseasinstructedintheisolationsystem 
manual.
For
Shielded
For For
Shielded Shielded
Conductivehoselayer(C)mustbe 
groundedthroughitsconnectiontothe 
isolationsystem’sgroundedenclosure(L) 
orgroundedfence.Tomaintaingrounding 
continuity,theconductivehoselayer(C) 
mustbeengagedintheferrulewhenthe 
strainreliefnutistightened.Failureto 
properlyinstallthehoseinthestrainrelief 
couldresultinanelectricshock.
Hose
Systems:
Hose Hose
Systems: Systems:
Connect
Figure16UnshieldedHose24M733 
DimensionsatWB100Enclosure
Figure17UnshieldedHose24M733 
ConnectionatWB100Enclosure
Figure18ShieldedFluidHoseConnection 
atNon-GracoIsolationEnclosure
c.Connecttheendofthetube(T)tothepump
uidoutlettting(Z).
NOTE:
NOTE: NOTE: 
arevoidiftheelectrostaticspraygunis 
connectedtoanon-Gracovoltageisolation 
systemorifthegunisoperatedabove60kV.
TheGracowarrantyandapprovals
3A2496H19
Page 20

Installation
Figure19TypicalInstallation,ProXpWB100 
WaterborneSystem
203A2496H
Page 21

Installation
Typical
Typical Typical
Installation
Installation Installation
Item
Item Item
A
B*Bleed-TypeAirShutoffValve
CPumpAirPressureGauge
DPumpAirPressureRegulator
EkVMeter
FPump
GPumpSuctionHose
H
J*
K*EnclosureSafetyInterlock
LIsolatedEnclosure
M
N
P*GracoRedGroundedAirHose(left-handthreads)
Q*GunAirHoseGroundWire
Key
Key Key
Description
Description Description
MainAirSupplyLine
PaintContainer
BleedResistor
GunAirLineFilter
GunAirPressureRegulator
R
SWaterborneElectrostaticAirSprayGun
T
U
V*MainGroundWire
W
X
Y
Z
AA
BB
CCAccessoryBleed-TypeAirShutoffValve
*Theseitemsarerequiredforsafeoperation.TheyareincludedwiththeWB100system.
GracoWaterborneFluidHose
GroundingRod
GroundTerminal
StrainReliefFitting
PumpAirSupplyLine
GroundingCylinder
PumpFluidOutletFitting
IsolatedEnclosureDoor(notshown,toillustrateinternalcomponents.Doormustbeclosed 
andlockedtooperatesystem).
EnclosureT-HandleLockingScrew(partofdoorassembly)
3A2496H
21
Page 22

Installation
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.
Allpersonsenteringthesprayarea:
•
shoeshavingconductivesolessuchasleather, 
orwearpersonalgroundingstraps.Donot 
wearshoeswithnon-conductivesolessuchas 
rubberorplastic.Ifglovesarenecessary,wear 
theconductiveglovessuppliedwiththegun.If 
non-Gracoglovesareworn,cutoffngersorpalm 
areaofglovestoensureyourhandcontactsthe 
groundedgunhandle.
•
Objectbeingsprayed:
cleanandgroundedatalltimes.
Keeptheworkpiecehangers
mustwear
•
VoltageIsolationSystem:
voltageisolationsystemtoatrueearthground. 
SeeGroundtheCabinet,page16.
•
ElectrostaticAirSprayGun:
byconnectingthered-coloredGracoGrounded 
AirHosetothegun,andconnectingtheair 
hosegroundwiretoatrueearthground.See
CheckGunElectricalGrounding,page38.
•
GracoShieldedWaterborneFluidHose 
(24M732):
conductivelayer.Installasinstructedunder
ConnecttheWaterborneFluidHose,page17.
•
Allelectricallyconductiveobjectsordevicesinthe 
sprayarea:
•
Fluidandwastecontainers:
wastecontainersinthesprayarea.Donotusepail 
linersunlesstheyareconductiveandgrounded. 
Whenushingthespraygun,thecontainerused 
tocatchtheexcessuidmustbeelectrically 
conductiveandgrounded.
Aircompressors:
• 
tothemanufacturer'srecommendations.
•
Allairlines
groundedhoseswithamaximumof100feet(30.5 
m)combinedhoselengthtoensuregrounding 
continuity.
Thehoseisgroundedthroughthe
mustbeproperlygrounded.
Groundtheequipmentaccording
mustbeproperlygrounded.Useonly
Electricallyconnectthe
Groundthegun
Groundalluidand
22
3A2496H
Page 23

•
Theoorofthesprayarea:
conductiveandgrounded.Donotcovertheoor 
withcardboardoranynon-conductivematerial 
whichwouldinterruptgroundingcontinuity.
mustbeelectrically
•
Allsolventpails:
metalcontainers,whichareconductive.Donot 
useplasticcontainers.Useonlynon-ammable 
solvents.Donotstoremorethanthequantity 
neededforoneshift.
Useonlyapproved,grounded
Installation
3A2496H23
Page 24

Installation
Agitator
Agitator Agitator
ToaddanagitatortotheGracoisolationsystem,order 
PartNo.245895.See245895AgitatorKit,page108, 
forthekitpartslist.
1.Dischargethesystemvoltage(seeFluidVoltage
DischargeandGroundingProcedure,page39).
2.Relievethepressure(see
PressureReliefProcedure,page39).
3.Opentheisolatedenclosuredoor.
4.Removethebackofthecontrolbox(258).
5.Removetube(A2)fromelbow(282)attheair 
manifold;seeTubingandWiring,page84. 
InstalltheYtting(402)intotheelbow.Install 
tubes(A2)and(407)intotheYtting.Routethe 
agitatortube(407)intothecabinet.
6.Replacethebackofthecontrolbox(258).
7.Assembletheotherpartsofthekitasshown. 
Securetheagitatorwiththesetscrew(408).
8.Returnthesystemtoservice.
Kit
Accessory
Kit Kit
Accessory Accessory
Figure20245895AgitatorKit
24
3A2496H
Page 25

Installation
Fluid
Fluid Fluid
ToaddauidregulatortotheGracoisolation 
system,orderPartNo.245944.See
245944FluidRegulatorKit,page108forthe
kitpartslist.
1.Dischargethesystemvoltage(seeFluidVoltage
2.Relievethepressure(see
3.Opentheisolatedenclosuredoor.
4.Removethe1/4in.(6mm)ODtube(A1)fromthe
5.Removethewaterborneuidhosefromthepump
6.Unscrewthetwopumpmountingscrews(S)and
7.Removethebackofthecontrolbox(258).
8.Removetube(A2)fromelbow(282)attheair
9.Replacethebackofthecontrolbox(258).
10.Assembletheuidregulatorkitasshown.
11.Reinstallthepumpintheisolationenclosure.
Regulator
Regulator Regulator
DischargeandGroundingProcedure,page39).
PressureReliefProcedure,page39).
pumpairinlet;seeTubingandWiring,page84.
uidoutlettting(231)andremovethetting.
removethepumpfromtheisolationenclosure.
manifold;seeTubingandWiring,page84. 
InstalltheYtting(506)intheelbow.Install 
tubes(A2)and(507)intotheYtting.Routethe 
tube(507)intothecabinet.
Usethetwomountingholestotheleftofthe 
holesusedpreviously,toallowclearanceforthe 
uidregulator.
Kit
Accessory
Kit Kit
Accessory Accessory
12.Connecttube(A1)totheairinletofuidregulator 
(504).Connecttube(507)tothepumpairinlet.
13.Connectthewaterborneuidhosetotheuid 
regulatoroutlettting(501).
14.Returnthesystemtoservice.
NOTE:
NOTE: NOTE:
217)willnowoperatetheairpiloteduidregulator
(504).Thepumpwillnowoperateattheinletair 
pressure.
Figure21245944FluidRegulatorKit
Thecabinetairregulatorandgauge(216,
3A2496H25
Page 26

GunSetup
Gun
Gun Gun
Gun
Gun Gun
Toreducetheriskofreandexplosion,uidsused 
mustmeetthefollowingammabilityrequirements:
•FM, FM,
•CE CE
Contactwiththechargedcomponentsofthespray 
gunwillcauseanelectricshock.Donottouchthe 
gunnozzleorelectrodeorcomewithin4in.(102 
mm)ofthefrontofthegunduringoperationor 
untilperformingtheFluidVoltageDischargeand
GroundingProcedure,page39.
FollowtheFluidVoltageDischargeandGrounding
Procedure,page39whenyoustopsprayingand
wheneveryouareinstructedtodischargethe 
voltage.
Setup
Setup Setup
Setup
Setup Setup
FM,
FMc
FMc FMc 
Materialdoesnotsustainburninginaccordance 
withtheStandardTestMethodforSustained 
BurningofLiquidMixtures,ASTMD4206.
CE
EN
- --EN EN 
Materialswhichcannotbeignited,inanymixture 
withair,byanenergysourceoflessthan500mJ.
Procedure
Procedure Procedure
Approved:
Approved: Approved:
50059
50059 50059
Compliant:
Compliant: Compliant:
Foradditionalstepstosetupspecialtyguns, 
seeSoftSprayGunSetupProcedure,page30,
RoundSprayGunSetupProcedure,page33, 
HVLPGunSetupProcedure,page31, 
AbrasiveMaterialGunSetupProcedure,page35,
andMoldReleaseGunSetupProcedure,page36.
Seethegurebelowtolocatetheelectrostaticgun 
controls.
Figure22ElectrostaticGunControls
1.Thegunisshippedwiththeuidnozzleandair 
capinstalled.Checkthattheretainingringis 
tight.
NOTE:
NOTE: NOTE: 
sizeuidnozzleoraircap,see
FluidNozzleSelectionChart,page93and 
AirCapSelectionGuide,page96.
Toinstallthenozzleandaircap,see
AirCapandNozzleReplacement,page59.
2.TurnOFF(O)theESOn-Offswitch(J).
Toselectadifferent
Toreducetheriskofcomponentrupture,which 
cancauseseriousinjury,donotexceedthe 
maximumworkingpressureofthelowestrated 
systemcomponent.Thisequipmenthasa100psi 
(0.7MPa,7bar)maximumworkingairanduid 
pressure.
3.Shutofftheairbleedvalvetothegun.
Toreducetheriskofaninjury,followthe
PressureReliefProcedure,page39wheneveryou
areinstructedtorelievethepressure.
4.Checkgunresistance.Followthestepsin
TestGunResistance,page47.
263A2496H
Page 27

GunSetup
5.Connectthewaterbornehose.Followthesteps 
inConnecttheWaterborneFluidHose,page17.
6.ConnecttheredGracogroundedairhosetothe 
gunairinlet.Thegunairinletttinghasleft-hand 
threads.SeeAirSupplyLine,page16.
7.FollowallstepsinGrounding,page22.
8.Followallstepsin
CheckGunElectricalGrounding,page38.
Readingmustbelessthan100ohms.
9.Connecttheexhausttubeandsecurewiththe 
clampprovided.
10.Flushifneeded.SeeFlushing,page42.
11.Positiontheaircapasneeded.
13.Fullyopentheuidadjustmentvalve(H) 
counterclockwise.
14.Fullyopentheatomizingairrestrictorvalve(G) 
clockwise.
15.TurnON(I)theESOn-Offswitch(J).
12.Fullyopenthefanairadjustmentvalve(F) 
counterclockwise.
3A2496H
WhentheESOn-OffswitchisturnedON(I), 
theuidsupplyischargedwithhighvoltage 
untilthevoltageisdischarged.Contactwith 
thechargedcomponentsofthespraygunwill 
causeanelectricshock.Donottouchthegun 
nozzleorelectrodeorcomewithin4in.(102 
mm)ofthefrontofthegunduringoperation.
27
Page 28

GunSetup
16.Setthegunairregulatortodeliveraminimum 
45psi(0.32MPa,3.2bar)atthegunwhen 
triggered,toensurefullsprayingvoltage.
Table
Table Table
using
using using
mm)
mm) mm)
Pressure
2 22. ..Pressure Pressure
Air
Hose
Air Air
Hose Hose
Length
Length Length
in ininft ftft(m) (m)
5/16
5/16 5/16
diameter
diameter diameter
15(4.6)55(0.38,3.8)
25(7.6)65(0.45,4.5)
50(15.3)80(0.56,5.6)
Drop
Drop Drop
(m)
inch
(8
inch inch
(8 (8
hose
hose hose
18.Shutofftheairtothegun.TurnOFF(O)theES 
On-Offswitch(J).
19.Startthepump.Adjusttheuidregulatoruntilthe 
streamfromtheguntravels8-12in.(200-300 
mm)beforefallingoff.Typically,ifuidpressure 
isbelow5psi(.04MPa,0.4bar)orabove30psi 
(0.21MPa,2.1bar),achangeofnozzlesizeis 
recommended.
Air
Regulator
Air Air
Regulator Regulator
psi
in ininpsi psi
with
gun
with with
gun gun
Setting
Setting Setting
(MPa,
(MPa, (MPa,
bar)
bar) bar)
triggered
triggered triggered
17.VerifythattheESindicator(K)[Hzindicatoron 
Smartguns]islit.
Table
Table Table
Indicator
Indicator Indicator
Amber
LED
3 33. ..LED LED
Color
Color Color
Green
Red
Indicator
Indicator Indicator
Whenspraying,theindicator 
shouldremaingreen,indicating 
sufcientairpressuretothe 
alternatorturbine.
Iftheindicatorchangestoamber 
afteronesecond,theairpressure 
istoolow.Increaseairpressure 
untiltheindicatorisgreen.
Iftheindicatorchangestored 
afteronesecond,theairpressure 
istoohigh.Decreaseairpressure 
untiltheindicatorisgreen.To 
maintainahigherapplicationair 
pressure,installESOn/OffValve 
RestrictorKit26A160.Adjustthe 
pressureasneededtoensurethe 
indicatorremainsgreen.
Colors
Colors Colors
Description
Description Description
20.Turnontheairtothegun.TurnON(I)theES 
On-Offswitch(J).
283A2496H
Page 29

GunSetup
21.Sprayatestpattern.Checktheatomization.
•Ifover-atomizationoccursatminimum 
pressure,adjusttheatomizingairrestrictor 
valve.
•Ifatomizationisinadequate,increaseair 
pressureordecreaseuidow.
22.Adjustthefanairadjustmentvalve.
•Fullyopenthefanairadjustmentvalve, 
counterclockwise,forthelongestpattern.
•Turnthevalveclockwisetorestrictthefanair 
andcreateashorterpattern.
WhentheESOn-OffswitchisturnedON(I), 
theuidsupplyischargedwithhighvoltage 
untilthevoltageisdischarged.Contactwith 
thechargedcomponentsofthespraygunwill 
causeanelectricshock.Donottouchthegun 
nozzleorelectrodeorcomewithin4in.(102 
mm)ofthefrontofthegunduringoperation.
23.Sprayatestpiece.Examinetheedges 
forcoverage.Ifwrapispoor,see
Troubleshooting,page51.
3A2496H29
Page 30

GunSetup
Soft
Spray
Soft Soft
Spray Spray
Gun
Gun Gun
Setup
Setup Setup
Procedure
Procedure Procedure
Toconvertaguntoachieveasoftspraypatternfor 
smallorlightweightparts,dothefollowing:
1.Installasoftsprayaircap.See
AirCapSelectionGuide,page96.
2.Forbestresults,installa1.0mm 
or1.2mmuidnozzle.See
FluidNozzleSelectionChart,page93.
3.Followsteps1–13inthe
GunSetupProcedure,page26.
4.Adjusttheatomizingair.Fullyclosetheatomizing 
airrestrictorvalve(G)counterclockwise.Then, 
opentheatomizingairrestrictorvalve(G)one 
halfturntooneturn.
5.TurnON(I)theESOn-Offswitch(J).
Table
Table Table
using
using using
mm)
mm) mm)
7.VerifythattheESindicator(K)[Hzindicatoron 
Smartguns]islit.
Table
Table Table
Indicator
Indicator Indicator
Amber
Pressure
4 44. ..Pressure Pressure
Air
Hose
Air Air
Hose Hose
Length
Length Length
Color
Color Color
Green
in ininft ftft(m) (m)
5/16
5/16 5/16
diameter
diameter diameter
15(4.6)55(0.38,3.8)
25(7.6)65(0.45,4.5)
50(15.3)80(0.56,5.6)
LED
5 55. ..LED LED
Drop
Drop Drop
(m)
inch
(8
inch inch
(8 (8
hose
hose hose
Indicator
Indicator Indicator
Whenspraying,theindicator 
shouldremaingreen,indicating 
sufcientairpressuretothe 
alternatorturbine.
Iftheindicatorchangestoamber 
afteronesecond,theairpressure 
istoolow.Increaseairpressure 
untiltheindicatorisgreen.
Colors
Colors Colors
Description
Description Description
Air
Regulator
Air Air
Regulator Regulator
psi
(MPa,
in ininpsi psi
(MPa, (MPa,
with
gun
with with
triggered
gun gun
triggered triggered
Setting
Setting Setting
bar)
bar) bar)
6.Setthegunairregulatortodeliveraminimum 
45psi(0.32MPa,3.2bar)atthegunwhen 
triggered,toensurefullsprayingvoltage.
Red
8.Continuewithsteps18–23inthe
GunSetupProcedure,page26.
NOTE:
NOTE: NOTE: 
productionrateof3.5oz/min(100cc/min).For 
bestsoftsprayresults,limittheproductionrate 
to7oz/min(200cc/min)orless.
NOTE:
NOTE: NOTE: 
much,adjusttheatomizingairrestrictorvalve 
(G)counterclockwiseslightlytolimittheairow. 
Toimproveatomization,adjusttheatomizingair 
restrictorvalve(G)clockwiseslightlytoincrease 
theairowordecreasetheuidow.
Iftheindicatorchangestored 
afteronesecond,theairpressure 
istoohigh.Decreaseairpressure 
untiltheindicatorisgreen.To 
maintainahigherapplicationair 
pressure,installESOn/OffValve 
RestrictorKit26A160.Adjustthe 
pressureasneededtoensurethe 
indicatorremainsgreen.
Thesoftsprayaircapisoptimizedfora
Iftheobjectbeingsprayedismovingtoo
303A2496H
Page 31

GunSetup
HVLP
HVLP HVLP
TosprayHVLP,airpressureattheaircapmustbe 
10PSI(0.07MPa,0.7bar)orless.Tosetupan 
HVLPgun,dothefollowing:
1.InstallanHVLPaircap.See
2.Followsteps1–11inthe
3.Fullyopentheuidadjustmentvalve(H)
4.Adjusttheairintheaircap.
Gun
Gun Gun
AirCapSelectionGuide,page96.
GunSetupProcedure,page26.
counterclockwise.
a.Fullyclosethefanairadjustmentvalve(F)
clockwise,thenopenitcounterclockwisetwo 
turns.
b.Fullyclosetheatomizingairrestrictorvalve
(G)counterclockwise,thenopenitclockwise 
oneturn.
Setup
Setup Setup
Procedure
Procedure Procedure
Table
Table Table
using
using using
mm)
mm) mm)
NOTE:
NOTE: NOTE: 
volumeofairtoatomizepaintatlow 
pressure.Gunairregulatorstaticpressure 
settingsof70PSIorhigheraretypically 
required.Toachievetherequiredgunair 
pressures,useashorterlengthairhoseora 
largerdiameterairhose.SeeGroundedAir 
HosesinHoses,page107.
e.VerifythattheESindicator(K)[Hzindicator
onSmartguns]islit.
Table
Table Table
Indicator
Indicator Indicator
Pressure
6 66. ..Pressure Pressure
Air
Hose
Air Air
Hose Hose
Length
Length Length
Color
Color Color
in ininft ftft(m) (m)
5/16
5/16 5/16
diameter
diameter diameter
15(4.6)55(0.38,3.8)
25(7.6)65(0.45,4.5)
50(15.3)80(0.56,5.6)
TheHVLPaircaprequiresahigh
LED
7 77. ..LED LED
Drop
Drop Drop
(m)
inch
(8
inch inch
(8 (8
hose
hose hose
Indicator
Indicator Indicator
Colors
Colors Colors
Description
Description Description
Air
Regulator
Air Air
Regulator Regulator
Setting
Setting Setting
(MPa,
(MPa, (MPa,
with
gun
with with
gun gun
psi
in ininpsi psi
bar)
bar) bar)
triggered
triggered triggered
Green
Amber
c.TurnON(I)theESOn-Offswitch(J).
Red
d.Setthegunairregulatortodeliveraminimum
45psi(0.32MPa,3.2bar)atthegunwhen 
triggered,toensurefullsprayingvoltage.
Whenspraying,theindicator 
shouldremaingreen,indicating 
sufcientairpressuretothe 
alternatorturbine.
Iftheindicatorchangesto 
amberafteronesecond,theair 
pressureistoolow.Increase 
airpressureuntiltheindicator 
isgreen.
Iftheindicatorchangesto 
redafteronesecond,theair 
pressureistoohigh.Decrease 
airpressureuntiltheindicator 
isgreen.Tomaintainahigher 
applicationairpressure,install 
ESOn/OffValveRestrictorKit 
26A160.Adjustthepressure 
asneededtoensurethe 
indicatorremainsgreen.
3A2496H31
Page 32

GunSetup
f.VerifythattheaircappressuresmeetHVLP
requirementsof10PSI(0.07MPa,0.7 
bar)orlessusingtheHVLPvericationkit 
25E919.Seemanual3A6833.Adjustthe 
fanairadjustmentvalve(F)andatomizing 
airrestrictorvalvetoachieve10PSIorless 
asneeded.
g.VerifythattheESindicator(K)[Hzindicator
onSmartguns]remainsgreen.
5.Continuewithsteps18–23inthe
GunSetupProcedure,page26.
323A2496H
Page 33

GunSetup
Round
Round Round
Toachievearoundspraypattern,dothefollowing:
1.Installaroundspraykit.SeeRoundSpray
2.Followsteps1–11inthe
3.Fullyopentheuidadjustmentvalve(H)
4.Adjusttheairintheaircap.
Spray
Spray Spray
AccessoriesinGunAccessories,page105.To 
achieveasoftpatternforsmallpartsorincreased 
transferefciency,selectthemediumpatternor 
smallpatternmodels.
GunSetupProcedure,page26.
counterclockwise.
a.Fullyclosetheatomizingairrestrictorvalve
(G)counterclockwise.Then,openthe 
atomizingairrestrictorvalve(G)oneturn.
Gun
Gun Gun
Setup
Setup Setup
Procedure
Procedure Procedure
6.Setthegunairregulatortodeliveraminimum
45psi(0.32MPa,3.2bar)atthegunwhen 
triggered,toensurefullsprayingvoltage.
Table
Table Table
using
using using
mm)
mm) mm)
Pressure
8 88. ..Pressure Pressure
Air
Hose
Air Air
Hose Hose
Length
Length Length
in ininft ftft(m) (m)
5/16
5/16 5/16
diameter
diameter diameter
15(4.6)55(0.38,3.8)
25(7.6)65(0.45,4.5)
Drop
Drop Drop
(m)
inch
(8
inch inch
(8 (8
hose
hose hose
Air
Regulator
Air Air
Regulator Regulator
psi
in ininpsi psi
with
gun
with with
gun gun
Setting
Setting Setting
(MPa,
(MPa, (MPa,
bar)
bar) bar)
triggered
triggered triggered
b.Fullyclosethefanairadjustmentvalve(F)
clockwise.
5.TurnON(I)theESOn-Offswitch(J).
50(15.3)80(0.56,5.6)
7.VerifythattheESindicator(K)[Hzindicatoron
Smartguns]islit.
Table
Table Table
Indicator
Indicator Indicator
Amber
LED
9 99. ..LED LED
Color
Color Color
Green
Red
Indicator
Indicator Indicator
Whenspraying,theindicator 
shouldremaingreen,indicating 
sufcientairpressuretothe 
alternatorturbine.
Iftheindicatorchangestoamber 
afteronesecond,theairpressure 
istoolow.Increaseairpressure 
untiltheindicatorisgreen.
Iftheindicatorchangestored 
afteronesecond,theairpressure 
istoohigh.Decreaseairpressure 
untiltheindicatorisgreen.To 
maintainahigherapplicationair 
pressure,installESOn/OffValve 
RestrictorKit26A160.Adjustthe 
pressureasneededtoensurethe 
indicatorremainsgreen.
Colors
Colors Colors
Description
Description Description
3A2496H33
Page 34

GunSetup
8.Shutofftheairtothegun.TurnOFF(O)theES 
On-Offswitch(J).
9.Startthepump.Adjusttheuidregulatorto 
achievetheproductionratethatyouwant.
NOTE:
NOTE: NOTE: 
aproductionrateof5oz/min(150cc/min).For 
bestroundsprayresults,limittheproductionrate 
to10oz/min(300cc/min)orless.
10.Turnontheairtothegun.TurnON(I)theES 
On-Offswitch(J).
Theroundsprayaircapisoptimizedfor
11.Sprayatestpattern.Checktheatomization.
NOTE:
NOTE: NOTE: 
objectbeingsprayedismovingtoomuch, 
adjusttheatomizingairrestrictorvalve(G) 
counterclockwiseslightlytolimittheairow.To 
improveatomization,adjusttheatomizingair 
restrictorvalve(G)clockwiseslightlytoincrease 
theairowordecreasetheuidow.
12.Adjustthepatternsize.
•Forthelargestspraypattern,fullyclosethefan
•Forthesmallestspraypattern,fullyopenthe
13.Sprayatestpiece.Examinetheedges 
forcoverage.Ifwrapispoor,see
Troubleshooting,page51.
Iftheatomizationistoone,orifthe
airadjustmentvalve(F)clockwise.
fanairadjustmentvalve(F)counterclockwise.
343A2496H
Page 35

GunSetup
Abrasive
Abrasive Abrasive
NOTE:
NOTE: NOTE: 
taskseachday:
•Cleanthegun.SeeCleantheGunDaily,page44.
•Inspecttheelectrodeandreplaceifdamaged.See
ElectrodeReplacement,page61.
Toextendwearlifewithabrasive,metallic,and 
extremelyabrasivematerials,dothefollowing:
1.Toconvertagunforabrasivematerials:
•Selectaprecisionhighwear 
orhighwearnozzle.See
FluidNozzleSelectionChart,page93.
Sizethenozzleproperlytoreduceuid 
pressurebelow30psi(0.21MPA,2.1bar), 
producingan8-12in(200-300mm)uid 
stream.
•Use24N632ESOn-OffandFixedFluidValve.
2.Followsteps1–18inthe
GunSetupProcedure,page26.
3.Startthepump.Adjusttheuidregulatoruntilthe 
streamfromtheguntravels8-12in.(200-300 
mm)beforefallingoff.Typically,ifuidpressure 
isbelow5psi(.04MPa,0.4bar)orabove30psi 
(0.21MPa,2.1bar),achangeofnozzlesizeis 
recommended.
Material
Material Material
Toextendwearlife,performthefollowing
Gun
Gun Gun
Setup
Setup Setup
Procedure
Procedure Procedure
4.Turnontheairtothegun.TurnON(I)theES 
On-Offswitch(J).
5.Sprayatestpattern.Checktheatomization.If 
over-atomizationoccursatminimumpressure, 
adjusttheatomizingairrestrictorvalve.If 
atomizationisinadequate,increaseairpressure 
ordecreaseuidow.
NOTE:
NOTE: NOTE: 
knobinthefullowpositionatalltimesor 
install24N632ESOn-OffandFixedFluidValve. 
Alwaysuseanexternaluidregulator.Donot 
usetheuidadjustmentknobtosettheuid 
pressure.
Operatethegunwiththeuidadjustment
NOTE:
NOTE: NOTE: 
toextendelectrodewirewearlife.Reducethe 
guninletairpressureoradjusttheatomizingair 
restrictorvalve(G)counterclockwisetoreduce 
atomizingairwhentheapplicationallows.
6.Adjustthefanairadjustmentvalve.
•Fullyopenthefanairadjustmentvalve,
•Turnthevalveclockwisetorestrictthefanair
NOTE:
NOTE: NOTE: 
extendelectrodewirewearlife.Reducethegun 
inletairpressureoradjustthefanairadjustment 
valve(F)clockwisetoreducefanairwhenthe 
applicationallows.
7.Sprayatestpiece.Examinetheedges 
forcoverage.Ifwrapispoor,see
Troubleshooting,page51.
Usetheminimumatomizingairpressure
counterclockwise,forthelongestpattern.
andcreateashorterpattern.
Usetheminimumfanairpressureto
3A2496H35
Page 36

GunSetup
Mold
Mold Mold
Tosetupamoldreleasegun,dothefollowing:
1.ModelL60M19MoldReleaseGunissupplied
2.Followsteps2–10inthe
3.Theuidoutputandpatternwidthdependonthe
4.Alignthespraytiptabwiththegrooveintheair
Release
Release Release
withPartNo.24N748Nozzle,24N727AirCap, 
andaspraytipofchoice.Ifyourequireadifferent 
sizespraytip,seeSprayTipSelectionChart
(ModelL60M19MRGGunOnly),page102,or
consultwithyourGracodistributor.Toinstall 
thetip,seeAirCap,SprayTip,andNozzle
Replacement(ModelL60M19),page60.
GunSetupProcedure,page26.
sizeofthespraytip,theuidviscosity,andthe 
uidpressure.UsetheSprayTipSelectionChart
(ModelL60M19MRGGunOnly),page102,asa
guideforselectingtheappropriatespraytipfor 
yourapplication.
cap.Installthetip.
Gun
Gun Gun
Setup
Setup Setup
Procedure
Procedure Procedure
9.Sprayatestpattern.Examinetheparticlesizein 
thecenterofthepattern(tailswillberemoved 
instep21).Increasethepressureinsmall 
increments.Sprayanotherpattern.Compare 
particlesize.Continueincreasingpressureuntil 
theparticlesizeremainsconstant.Donotexceed 
3000psi(21MPa,210bar).
10.TurnON(I)theESOn-Offswitch.
5.Installtheaircapandretainingring.Orientate 
theaircapandtightentheretainingringsecurely.
6.Closetheatomizingairadjustmentvalve(G)and 
thefanairadjustmentvalve(F).
7.CheckthattheESOn-OffswitchisOFF(O).
8.Startthepump.Settheuidregulatorto400psi 
(2.8MPa,28bar).
11.CheckthattheESindicator(K)[Hzindicatoron 
Smartguns]islit.Seethefollowingtable.
Table
10
LED
Table Table
10 10
Indicator
Indicator Indicator
Color
Color Color
Green
Amber
Red
Indicator
. ..LED LED
Indicator Indicator
Whenspraying,theindicator 
shouldremaingreen,indicating 
sufcientairpressuretothe 
alternatorturbine.
Iftheindicatorchangestoamber 
afteronesecond,theairpressure 
istoolow.Increaseairpressure 
untiltheindicatorisgreen.
Iftheindicatorchangestored 
afteronesecond,theairpressure 
istoohigh.Decreaseairpressure 
untiltheindicatorisgreen.To 
maintainahigherapplicationair 
pressure,installESOn/OffValve 
RestrictorKit26A294.Adjustthe 
pressureasneededtoensurethe 
indicatorremainsgreen.
Colors
Colors Colors
Description
Description Description
363A2496H
Page 37

GunSetup
12.Setthegunairregulatortodeliveraminimum 
of45psi(0.32MPa,3.2bar)atthegunwhen 
triggered,toensurefullsprayingvoltage.See 
thetablebelow.
Table
11
Table Table
Length
Length Length
(using
(using (using
mm]
mm] mm]
13.Turntheatomizingairadjustmentvalve 
counterclockwiseuntilanytailsdisappear.
Pressure
11 11
. ..Pressure Pressure
Air
Hose
Air Air
Hose Hose
in ininft ftft(m) (m)
5/16
5/16 5/16
diameter
diameter diameter
15(4.6)52(0.36,3.6)
25(7.6)57(0.40,4.0)
50(15.3)68(0.47,4.7)
75(22.9)80(0.56,5.6)
100(30.5)90(0.63,6.3)
Drop
Drop Drop
Air
Air Air
(m)
in.
[8
in. in.
[8 [8
hose)
hose) hose)
in ininpsi psi
[with
[with [with
14.Ifdesiredatomizationisnotachieved,change 
thetipsize.Thesmallerthetiporice,thener 
theatomization.
15.Sprayatestpiece.Examinetheedges 
forcoverage.Ifwrapispoor,see
Troubleshooting,page51.
Regulator
Regulator Regulator
psi
gun
gun gun
Setting
Setting Setting
(MPa,
(MPa, (MPa,
bar)
bar) bar)
triggered]
triggered] triggered]
NOTE:
NOTE: NOTE: 
openthefanairadjustmentvalveslightly.(Excessive 
fanairowcancausepaintbuildupontheaircap.)
Ifanarrowerpatternisneededoccasionally,
3A2496H37
Page 38

GunSetup
Check
Check Check
MegohmmeterPartNo.241079(AA-seeFig.
21)isnotapprovedforuseinahazardousarea. 
Toreducetheriskofsparking,donotusethe 
megohmmetertocheckelectricalgrounding 
unless:
•Thegunhasbeenremovedfromthehazardous
•Orallsprayingdevicesinthehazardousarea
Failuretofollowthiswarningcouldcausere, 
explosion,andelectricshockandresultinserious 
injuryandpropertydamage.
GracoPartNo.241079Megohmmeterisavailable 
asanaccessorytocheckthatthegunisproperly 
grounded.
1.Haveaqualiedelectricianchecktheelectrical
2.TurnOFF(O)theESOn-Offswitch.
Gun
Gun Gun
area;
areturnedoff,ventilationfansinthehazardous 
areaareoperating,andtherearenoammable 
vaporsinthearea(suchasopensolvent 
containersorfumesfromspraying).
groundingcontinuityofthespraygunandair 
hose.
Electrical
Electrical Electrical
Grounding
Grounding Grounding
7.Iftheresistanceisgreaterthan100ohms,check 
thetightnessofthegroundconnectionsandbe 
suretheairhosegroundwireisconnectedtoa 
trueearthground.Iftheresistanceisstilltoo 
high,replacetheairhose.
Figure23CheckGunElectricalGrounding
8.Usinganohmmeter(AA)measuretheresistance 
betweenthecabinetgroundlug(214)andatrue 
earthground(CC).Theresistancemustbeless 
than100ohms.
3.Turnofftheairanduidsupplytothegun.Follow 
thePressureReliefProcedure,page39.The 
uidhosemustnothaveanyuidinit.
4.Disconnecttheuidhose.
5.Makesurethered-coloredgroundedairhose 
(AH)isconnectedandthehosegroundwireis 
connectedtoatrueearthground.
6.Measuretheresistancebetweenthegunhandle 
(BB)andatrueearthground(CC).Usean 
appliedvoltageof500minimumto1000volts 
maximum.Theresistanceshouldnotexceed 
100ohms.SeeFig.22.
383A2496H
Figure24CheckCabinetGrounding
Flush
Flush Flush
Theequipmentwastestedinuidatthefactory.To 
avoidcontaminatingyouruid,ushtheequipment 
withacompatiblesolventbeforeusingtheequipment. 
SeeFlushing,page42.
Before
Before Before
Using
Using Using
Equipment
Equipment Equipment
Page 39

Operation
Operation
Operation Operation
Pressure
Pressure Pressure
Thisequipmentstayspressurizeduntilpressure 
ismanuallyrelieved.Tohelppreventserious 
injuryfrompressurizeduid,suchassplashing, 
followthePressureReliefProcedurewhenyou 
stopsprayingandbeforecleaning,checking,or 
servicingtheequipment.
1.TurnOFF(O)theESOn/Offswitch.
2.FollowtheFluidVoltageDischargeand
GroundingProcedure,page39.
3.Turnofftheairbleedvalvestotheuidsource
andtothegun.
Relief
Relief Relief
Procedure
Procedure Procedure
Fluid
Fluid Fluid 
Grounding
Grounding Grounding
Theuidsupplyischargedwithhighvoltageuntil 
thevoltageisdischarged.Contactwiththecharged 
componentsofthevoltageisolationsystemor 
spraygunelectrodewillcauseanelectricshock. 
Toavoidanelectricshock,followtheFluid Fluid
Discharge
Discharge Discharge
•wheneveryouareinstructedtodischargethe
•beforecleaning,ushing,orservicingthesystem
•beforeapproachingthefrontofthegun
•orbeforeopeningtheisolationenclosureforthe
1.TurntheESON/OFFvalveOFFandwait30
voltage
equipment
isolateduidsupply.
seconds.
Voltage
Voltage Voltage
and
and and
Discharge
Discharge Discharge
Procedure
Procedure Procedure
Grounding
Grounding Grounding
Procedure:
Procedure: Procedure:
and
and and
Fluid
Voltage
Voltage Voltage
4.Triggerthegunintoagroundedmetalwaste
containertorelievetheuidpressure.
5.Relieveuidpressureintheuidsupplyunitas
instructedinyouruidsupplyunitmanual.
3A2496H39
2.FullyunscrewthedoorT-handlelockingscrew. 
Thiswillshutofftheairtothegunandtriggerthe 
groundingcylindertodischargeanyremaining 
electricalcharge.
3.Usethegroundingrodtotouchthepump 
andsupplypail.Ifyouseeanyarcs,see
ElectricalTroubleshooting,page56.
Page 40

Operation
Fill
the
Fill Fill
Fluid
the the
Fluid Fluid
Supply
Supply Supply
Startup
Startup Startup
1.FollowtheFluidVoltageDischargeand
GroundingProcedure,page39.
2.FollowthePressureReliefProcedure,page39.
3.Opentheisolatedenclosuredoor.
4.Removethepailcoverfromthepail,holdingarag 
overthesuctiontubestrainertopreventanyuid 
fromdrippingintotheisolatedenclosure.Place 
thecoverandsuctiontubeoutsidetheenclosure.
5.Removethesupplypailfromtheenclosure.
NOTICE
NOTICE NOTICE
Besuretowipeupalluidspillsintheisolated 
enclosure.Fluidcancreateaconductivepath 
andcausethesystemtoshortout.
6.Cleanupanyuidspillsintheenclosure,using 
asoftclothandanon-ammable,compatible 
solvent.
7.Fillthesupplypailwithuidandreturnittothe 
enclosure.Cleanupanyspills.
8.Reinstallthepailcover,holdingaragoverthe 
suctiontubestrainertopreventuidspillswhile 
youplacethepumpsuctiontubeinthepail.
9.Closetheisolatedenclosuredoorandfasten 
securelywiththeT-handlelockingscrew.
FollowallstepsunderGunSetupProcedure,page26.
Beforeoperatingthesystem,checkthefollowinglist 
dailytoensuresafe,efcientoperation.
Alloperatorsareproperlytrainedtosafely 
operateanelectrostaticwaterborneairspray 
systemasinstructedinthismanual.
Alloperatorsaretrainedinthe
PressureReliefProcedure,page39.
Theelectrostaticsareturnedoffandsystem 
voltageisdischargedaccordingtothe
FluidVoltageDischargeandGrounding 
Procedure,page39,beforeanypersonen-
terstheisolationenclosure,beforecleaning, 
andbeforeperforminganymaintenanceor 
repair.
Thewarningsignprovidedwiththegunis 
mountedinthesprayareawhereitcanbe 
easilyseenandreadbyalloperators.
Thesystemisthoroughlygroundedand 
theoperatorandallpersonsenteringthe 
sprayareaareproperlygrounded.See
Grounding,page22.
TheGracowaterborneuidhoseisingood 
conditionwithnocutsorabrasionsofthe 
PTFElayer.Replacehoseifdamaged.
Theconditionofthegun’selectrical 
componentshasbeencheckedasinstructed 
inElectricalTests,page47.
Ventilationfansareoperatingproperly.
Workpiecehangersarecleanandgrounded.
Alldebris(includingammableuidsand 
rags)isremovedfromthesprayarea.
Allammableuidsinthespraybootharein 
approved,groundedcontainers.
Allconductiveobjectsinthesprayareaare 
electricallygroundedandtheoorofthe 
sprayareaiselectricallyconductiveand 
grounded.
Fluidsusedmustmeetthefollowing 
ammabilityrequirements:
FM,
FMc
•FM, FM, 
Materialdoesnotsustainburningin 
accordancewiththeStandardTestMethod 
forSustainedBurningofLiquidMixtures, 
ASTMD4206.
CE
•CE CE 
Materialswhichcannotbeignited,inany 
mixturewithair,byanenergysourceof 
lessthan500mJ.
Approved:
FMc FMc
Approved: Approved:
EN
50059
- --EN EN
50059 50059
Compliant:
Compliant: Compliant:
403A2496H
Page 41

Operation
Shutdown
Shutdown Shutdown
Toreducetheriskofaninjury,followthe
PressureReliefProcedure,page39wheneveryou
areinstructedtorelievethepressure.
1.Dischargethesystemvoltage,seeFluidVoltage
DischargeandGroundingProcedure,page39.
2.Flushthegun,seeFlushing,page42
3.FollowthePressureReliefProcedure,page39.
4.Hangthegunfromitshook,withthenozzle 
pointingdown.Besuretokeepthegunfrom 
groundingout.
3A2496H
41
Page 42

Maintenance
Maintenance
Maintenance Maintenance
Toreducetheriskofaninjury,followthe
PressureReliefProcedure,page39,whenever
youareinstructedtorelievethepressure.
Flushing
Flushing Flushing
•Flushbeforechanginguids,beforeuidcandry 
intheequipment,attheendoftheday,before 
storing,andbeforerepairingequipment.
•Flushatthelowestpressurepossible.Check 
connectorsforleaksandtightenasnecessary.
Daily
Daily Daily
Checkthefollowinglistdailyuponcompletionof 
equipmentusage.
Care
Care Care
Flushthegun.SeeFlushing,page42.
Cleantheuidandairlinelters.
Cleantheoutsideofthegun.See
CleantheGunDaily,page44.
Cleantheaircapanduidnozzledaily, 
ataminimum.Someapplicationsrequire 
morefrequentcleaning.Replacethespray 
tipandaircapiftheyaredamaged.See
CleantheGunDaily,page44.
Checktheelectrodeandreplace 
ifbrokenordamaged.See
ElectrodeReplacement,page61.
Checkforuidleakagefromthegunanduid 
hoses.Tightenttingsorreplaceequipment 
asneeded.
Checkelectricalgrounding.See
CheckGunElectricalGrounding,page38.
and
Cleaning
and and
Cleaning Cleaning
Checklist
Checklist Checklist
Toreducetheriskofre,explosion,orelectric 
shock,turnOFF(O)theESOn-Offswitchbefore 
ushingthegun.
FollowtheFluidVoltageDischargeandGrounding
Procedure,page39,beforeushing.
Onlyush,purge,orcleanthegunwithuidsthat 
meetthefollowingammabilityrequirements:
FM,
FMc
•FM, FM, 
Materialdoesnotsustainburninginaccordance 
withtheStandardTestMethodforSustained 
BurningofLiquidMixtures,ASTMD4206.
CE
•CE CE 
Materialswhichcannotbeignited,inanymixture 
withair,byanenergysourceoflessthan500mJ.
Donotusemethylenechlorideasaushingor 
cleaningsolventwiththisgunasitwilldamage 
nyloncomponents.
1.TurnOFF(O)theESOn-Offswitch.Wait30 
secondsforthevoltagetobleedoff.
Approved:
FMc FMc
Approved: Approved:
EN
50059
- --EN EN
50059 50059
Compliant:
Compliant: Compliant:
NOTICE
NOTICE NOTICE
2.Dischargethesystemvoltage.SeeFluidVoltage
DischargeandGroundingProcedure,page39.
3.FollowthePressureReliefProcedure,page39.
42
3A2496H
Page 43

Maintenance
4.Changetheuidsourcetosolvent.
NOTE:
NOTE: NOTE: 
removethespraytipbeforeushing.See
AirCap,SprayTip,andNozzleReplacement 
(ModelL60M19),page60.
5.Pointthegunintoagroundedmetalpail.Flush 
untilcleansolventowsfromthegun.
6.FollowthePressureReliefProcedure,page39.
ForModelL60M19MoldReleaseGun,
7.Opentheisolatedenclosuredoor.Leavethe 
ushinguidinthesystemuntilyouareready 
tosprayagain.
8.Hangthegunfromitshook,withthenozzle 
pointingdown.Besuretokeepthegunfrom 
groundingout.
9.Beforeusingthesystemelectrostaticallyagain, 
makesurenoammablevaporsarepresent.
3A2496H43
Page 44

Maintenance
Clean
Clean Clean
•Cleanallpartswithacompatiblesolvent.
•Fluidintheairpassagescouldcausethegunto
1.TurnOFF(O)theESOn-Offswitch.
2.Flushthegun.SeeFlushing,page42.
3.FollowthePressureReliefProcedure,page39.
the
Gun
the the
Gun Gun
Conductivesolventscancausethegunto 
malfunction.
malfunctionandcoulddrawcurrentandreduce 
theelectrostaticeffect.Fluidinthepowersupply 
cavitycanreducetheturbinelife.Whenever 
possible,pointthegundownwhencleaningit. 
Donotuseanycleaningmethodwhichcould 
allowuidintothegunairpassages.
Daily
Daily Daily
NOTICE
NOTICE NOTICE
4.Cleantheoutsideofthegunwithanon-ammable 
solvent,asdenedunderFlushing,page42. 
Useasoftcloth.Pointthegundowntoprevent 
solventfromenteringthegunpassages.Donot 
immersethegun.
44
3A2496H
Page 45

Maintenance
5.Removetheaircap.
6.Cleantheaircap,retainingring,andnozzlewith 
asoftbrushandnon-ammablesolvent.
7.Ifnecessary,useatoothpickorothersofttoolto 
cleantheaircapholes.Donotusemetaltools.
8.Reinstalltheaircap.Tightensecurely.
3A2496H45
Page 46

Maintenance
Daily
Daily Daily
1.FollowthePressureReliefProcedure,page39.
2.Cleantheuidandairlters.
3.Checkforuidleaks.Tightenallttings.
4.Cleanworkpiecehangers.Usenon-sparking
5.Checkthemovementofthetriggerandvalves.
6.CheckGunElectricalGrounding,page38.
7.Hangthegunfromitshook,withthenozzle
System
System System
tools.
Lubricateifnecessary.
pointingdown.Besuretokeepthegunfrom 
groundingout.
Care
Care Care
8.Cleanthecabinet:
•Inspectthecabinetandcleanupanyspilled
paint.Conductivepaintresidueallowedto 
contactgroundedpartsmayshortoutthe 
electrostatics.
•Keeptheinsideofthecabinetclean,forproper
operation.
•InspectthedoorT-handlelockingscrew
regularly,toensurethethreadsarewell 
greased.Applysilicone-freegreasetothe 
threadswhennecessary.
•Visuallyinspectthegroundstrip(240)
fordamage.Replaceifneeded. 
Measuretheresistanceweekly.See
TestGroundStripResistance,page50.
463A2496H
Page 47

ElectricalTests
Electrical
Electrical Electrical
Electricalcomponentsinsidethegunaffect 
performanceandsafety.Usethefollowing 
procedurestotesttheconditionofthepowersupply 
andgunbody,andelectricalcontinuitybetween 
components.
PowerSupplyRemovalandReplacement,page66.
UsemegohmmeterPartNo.241079(AA)andan 
appliedvoltageof500V.Connecttheleadsas 
shown.
MegohmmeterPartNo.241079(AA-seeFig.
25)isnotapprovedforuseinahazardousarea. 
Toreducetheriskofsparking,donotusethe 
megohmmetertocheckelectricalgrounding 
unless:
•Thegunhasbeenremovedfromthehazardous 
area;
•Orallsprayingdevicesinthehazardousarea 
areturnedoff,ventilationfansinthehazardous 
areaareoperating,andtherearenoammable 
vaporsinthearea(suchasopensolvent 
containersorfumesfromspraying).
Tests
Tests Tests
Test
Test Test
1.Followthestepsunder
2.Triggerthegunandmeasureresistance
Gun
Gun Gun
PreparetheGunforService,page58.
betweentheelectrodeneedletip(3)andthe 
airswivel(21).Theresistanceshouldbe 
104–150megohms(90–120megohmsfor 
ModelL60M19).Ifoutsidethisrange,goto
TestPowerSupplyResistance,page48.
Ifinrange,see
VoltageLossTroubleshooting,page51forother
possiblecausesofpoorperformance,orcontact 
yourGracodistributor.
Resistance
Resistance Resistance
Failuretofollowthiswarningcouldcausere, 
explosion,andelectricshockandresultinserious 
injuryandpropertydamage.
Figure25TestGunResistance
3A2496H
47
Page 48

ElectricalTests
Test
Test Test
1.Followthestepsunder
2.Removethepowersupply(11).
3.Removetheturbinealternator(15)fromthe
4.Measureresistancefromthepowersupply's
5.Besurethespring(11a)isinplacebefore
Power
Power Power
PreparetheGunforService,page58.
powersupply.
groundstrips(EE)tothespring(11a).The 
resistanceshouldbe90–115megohms.If 
outsidethisrange,replacethepowersupply.Ifin 
range,gotoTestElectrodeResistance,page49.
reinstallingthepowersupply.
Supply
Supply Supply
Resistance
Resistance Resistance
Figure26TestPowerSupplyResistance
483A2496H
Page 49

ElectricalTests
Test
Test Test
1.Followthestepsunder
2.Insertaconductiverod(FF)intothegunbarrel
3.Measuretheresistancebetweentheconductive
4.Ifinrange,goto
5.Removetheelectrode(3),see
6.Makesurethemetalcontactring(DD)in
Electrode
Electrode Electrode
PreparetheGunforService,page58.
(whichwasremovedforthepowersupplytest) 
andagainstthemetalcontact(DD)inthefront 
ofthebarrel.
rod(FF)andtheelectrode(3).Theresistance 
shouldbe10–30megohms(lessthan5megohms 
forModelL60M19).
ElectricalTroubleshooting,page56,forother
possiblecausesofpoorperformance,orcontact 
yourGracodistributor.
ElectrodeReplacement,page61.Measurethe
resistancebetweenthecontact(HH)andthe 
electrodewire(GG).Theresistanceshouldbe 
10-30megohms.Ifoutofrange,replacethe 
electrode.
thebarrel,thenozzlecontactring(4a),and 
theelectrodecontact(HH)arecleanand 
undamaged.
Resistance
Resistance Resistance
Figure27TestElectrodeResistance
Figure28Electrode
Figure29NozzleConductiveO-Ring
3A2496H49
Page 50

ElectricalTests
Test
Test Test
Usinganohmmeter,measuretheresistancebetween 
thelatchhousing(206)andthegroundlug(214). 
Thegroundstripisgroundedthroughthecartback 
tothegroundlug.Resistancemustbelessthan100 
ohms.Ifgreaterthan100ohms,replacetheground 
strip(240).
Ground
Ground Ground
Strip
Strip Strip
Resistance
Resistance Resistance
Test
Test Test
Removetheenclosuredoor.Usinganohmmeter, 
measuretheresistancefromthepump(209)tothe 
groundlug(214).Resistancemustbelessthan 
100ohms.Ifgreaterthan100ohms,replacethe 
groundingcylinder(227).
Cylinder
Cylinder Cylinder
Resistance
Resistance Resistance
Figure30TestGroundStripResistance
Figure31TestCylinderResistance
503A2496H
Page 51

Troubleshooting
Troubleshooting Troubleshooting
Installingandservicingthisequipmentrequires 
accesstopartswhichmaycauseanelectricshock 
orotherseriousinjuryiftheworkisnotperformed 
properly.Donotinstallorrepairthisequipment 
unlessyouaretrainedandqualied.
Troubleshooting
areelectricallyconnectedthroughtheconductive, 
waterborneuid.
Beforetroubleshootingorservicingthevoltage 
isolationsystemitself,youneedtodeterminewhich 
componentinthesystemismostlikelycausinga 
problem.Possiblecausesincludethefollowing:
Spray
Spray Spray
Gun
Gun Gun
FollowtheFluidVoltageDischargeandGrounding
Procedure,page39beforecheckingorservicing
thesystemandwheneveryouareinstructedto 
dischargethevoltage.
Toreducetheriskofaninjury,followthe
PressureReliefProcedure,page39,whenever
youareinstructedtorelievethepressure.
CheckallpossibleremediesintheTroubleshooting 
Chartbeforedisassemblingthegun.
Voltage
Voltage Voltage
Normalsprayingvoltageforasystemusingthe 
waterbornegunis45-55kV.Thesystemvoltageis 
lowerduetosprayingcurrentdemandsandvoltage 
isolationsystemlosses.
Alossofsprayingvoltagecanbecausedbya 
problemwiththespraygun,uidhose,orvoltage 
isolationsystem,sinceallofthesystemcomponents
Loss
Loss Loss
Troubleshooting
Troubleshooting Troubleshooting
•Fluidleakage
•Dielectricbreakdownattheuidhoseconnection 
oruidpackings
•Notenoughairpressureforthealternatorturbine
•Faultypowersupply
•Excessiveoversprayongunsurfaces
•Fluidintheairpassages
Waterborne
Waterborne Waterborne
•Dielectricfailureofthehose(pin-holeleakinthe 
PTFElayer)
•Airgapintheuidcolumnbetweenthegunandthe 
isolateduidsupply,causingalowvoltagereading 
ontheisolationsystemvoltagemeter.
Voltage
Voltage Voltage
•Fluidleakage
•Dirtyinterior
Fluid
Fluid Fluid
Isolation
Isolation Isolation
Hose
Hose Hose
System
System System
3A2496H51
Page 52

Troubleshooting
Visual
Visual Visual
First,checkthesystemforanyvisiblefaultsorerrors 
tohelpisolatewhetherthespraygun,uidhoseor 
voltageisolationsystemhasfailed.Avoltageprobe 
andmeter,partno.245277,ishelpfulfordiagnosing 
voltageproblemsandisrequiredforsomeofthe 
troubleshootingteststhatfollow.
1.Checkthatalloftheairanduidtubesandhoses
2.Checkthatthevoltageisolationsystemvalves
3.Checkthattheinterioroftheisolatedenclosure
4.Checkthatthespraygunandvoltageisolation
5.CheckthatthegunESON/OFFvalveisinthe
6.Checkthatthevoltageisolationsystem's
7.Makesurethevoltageisolationsystemisin
8.Toeliminateairgapsintheuidcolumn,spray
9.Checkthesprayguncoverandbarrelfor
10.Inspecttheentiresystemforanyvisibleuid
Checks
Checks Checks
areproperlyconnected.
andcontrolsareproperlysetforoperation.
isclean.
systemhavesufcientairpressure.
ONpositionandthatthegunESindicatorlight 
ison.IftheESindicatorlightisnoton,remove 
thespraygunforserviceandcompletethe
ElectricalTests,page47.
enclosuredoorisclosedandthatanysafety 
interlocksareengagedandworkingproperly.
the“isolate”mode,whereitisisolatingtheuid 
voltagefromground.
enoughuidtopurgetheairoutbetweenthe 
voltageisolationsystemandthespraygun.An 
airgapintheuidhosecanbreaktheelectrical 
continuitybetweenthespraygunandtheisolated 
uidsupplyandcausealowvoltagereadingon 
avoltagemeterconnectedtotheisolateduid 
supply.
accumulatedoverspray.Excessiveoverspray 
cancreateaconductivepathbacktothe 
groundedgunhandle.Installanewguncover 
andcleantheexteriorofthegun.
leakageandrepairanyuidleaksthatarefound. 
Payspecialattentiontothefollowingareas:
•Packingareaofthespraygun.
•Fluidhose:checkforleakageoranybulgesin 
theoutercover,whichmayindicateaninternal 
leak.
•Internalvoltageisolationsystemcomponents
Tests
Tests Tests
Ifyoustillhavenovoltage,separatethespraygun 
andhosefromthevoltageisolationsystemand 
checkwhetherthegunandhosealonewillhold 
voltagewiththefollowingtest.
1.Flushthesystemwithwaterandleavethelines 
lledwithwater.
2.Dischargethesystemvoltage(seeFluidVoltage
DischargeandGroundingProcedure,page39).
3.FollowthePressureReliefProcedure,page39.
4.Disconnecttheuidhosefromthevoltage 
isolationsystem.
Avoidallowinganywatertoleakoutoftheuid 
hoseasthatcouldcauseasignicantairgapin 
theuidcolumnuptothegunelectrode,which 
canbreaktheconductivitypathandconceala 
potentialfailurearea.
5.Positiontheendofthehoseasfaraspossible 
awayfromanygroundedsurface.Theendof 
thehosemustbeatleast1ft.(0.3m)fromany 
ground.Makesurethatnooneiswithin3ft.(0.9 
m)oftheendofthehose.
6.TurntheESON/OFFvalvetoONandtrigger 
thegunjustenoughtoturnontheairtothegun 
butnottheuid.Measurethevoltageatthegun 
electrodewithavoltageprobeandmeter.
7.Dischargethesystemvoltagebywaiting30 
secondsandthentouchingthegunelectrode 
withagroundedrod.
8.Checkthemeterreading:
•Ifthemeterreadingis45to55kV,thegunand
uidhoseareokay,andtheproblemisinthe 
voltageisolationsystem.
•Ifthemeterreadingisbelow45kV,the
problemisinthegunoruidhose.
9.Flushtheuidhoseandgunwithenoughairto 
dryouttheuidpassages.
10.TurntheESON/OFFvalvetoONandtriggerthe 
gun.Measurethevoltageatthegunelectrode 
withavoltageprobeandmeter.
•Ifthemeterreadingis45-55kV,thegun
powersupplyisokay,andthereisprobablya 
dielectricbreakdownsomewhereintheuid 
hoseorgun.Continuewithstep11.
•Ifthemeterreadingisbelow45kV,dothe
ElectricalTests,page47,tocheckthegunand
powersupplyresistance.Ifthosetestsshow 
thegunandpowersupplyareokay,continue 
withstep11.
523A2496H
Page 53

11.Adielectricbreakdownismostlikelyinoneof 
thefollowingthreeareas.Repairorreplacethe 
componentthatisfailing.
a.Fluidhose:
•Checkforleakageoranybulgesinthe 
outercover,whichmayindicateapin-hole 
leakthroughthePTFElayer.Disconnect 
theuidhosefromthegun,andlookfor 
signsofuidcontaminationontheoutside 
ofthePTFEportionoftheuidtube.
•Inspecttheendofthehoseconnectedto 
thevoltageisolationsystem.Lookforcuts 
ornicks.
•Makesurethehoseisproperlystripped 
(seeConnecttheWaterborneFluidHose,
page17).Restriporreplacethehose.
b.Fluidpackings:
Removethepackingassemblyfromthegun 
(seeFluidPackingRodRemoval,page62), 
andlookforsignsofuidleakageorany 
blackenedareas,whichwouldindicatearcing 
isoccurringalongthepackingrod.
c.Fluidhoseconnectiontothespraygun:
Troubleshooting
Abreakdownattheuidhoseconnection 
jointwouldbecausedbyuidleakingpast 
theo-ringsealsontheendofthehose. 
Removethehoseatthegunconnectionand 
lookforsignsofuidleakagealongthePTFE 
tube.
12.Beforereassemblingthegun,cleananddrythe 
gunuidinlettube.Repacktheinnerspacerof 
theuidpackingrodwithdielectricgreaseand 
reassemblethegun.
13.Reconnecttheuidhose.
14.Checkthegunvoltagewiththevoltageprobe 
andmeterbeforellingthegunwithuid.
3A2496H53
Page 54

Troubleshooting
Spray
Spray Spray
CheckallpossibleremediesintheTroubleshooting 
Chartbeforedisassemblingthegun.
Problem
Problem Problem
Flutteringorspittingspray.
Improperspraypattern. Damagedordirtynozzleoraircap.
Pattern
Pattern Pattern
Troubleshooting
Troubleshooting Troubleshooting
Somespraypatternproblemsarecausedbythe 
improperbalancebetweenairanduid.
Cause
Cause Cause
Nouid.Rellsupply.
Loose,dirty,damaged 
nozzle/seat.
Airinuidsupply.Checkuidsource.Rell.
Fluidbuilduponaircapornozzle.
Fanairpressuretoohigh.Decrease.
Fluidtoothin.Increaseviscosity.
Fluidpressuretoolow.Increase.
Solution
Solution Solution
Cleanorreplacenozzle,see
CleantheGunDaily,page44,or 
AirCapandNozzleReplacement, 
page59.
Cleanorreplace.SeeAirCapand
NozzleReplacement,page59.
Clean.See
CleantheGunDaily,page44.
Fanairpressuretoolow.Increase.
Fluidtoothick.Reduceviscosity.
Toomuchuid.Decreaseow.
Didnotapply50%overlap.Overlapstrokes50%. Streaks.
Dirtyordamagedaircap.
Cleanorreplaceaircap.See
CleantheGunDaily,page44,or 
AirCapandNozzleReplacement, 
page59.
543A2496H
Page 55

Troubleshooting
Gun
Gun Gun
Operation
Operation Operation
Problem
Problem Problem
Excessivesprayfog.
“OrangePeel”nish.
Fluidleaksfromtheuidpacking 
area.
Airleaksfromthefrontofthegun.
Fluidleakagefromthefrontofthe 
gun.
Troubleshooting
Troubleshooting Troubleshooting
Cause
Cause Cause
Atomizingairpressuretoohigh.
Fluidtoothin,oruidowistoo 
low.
Atomizingairpressuretoolow.
Poorlymixedorltereduid.Remixorrelteruid.
Fluidtoothick.Reduceviscosity.
Wornpackingsorrod.
Airvalveisnotseatingproperly.
Wornelectrode.
Wornuidnozzleseat.Replacenozzle.SeeAirCapand
Solution
Solution Solution
Closerestrictorvalvepartway,or 
decreaseairpressureaslowas 
possible;minimum45psi(0.32 
MPa,3.2bar)neededatgunfor 
fullvoltage.
Increaseviscosityorincreaseuid 
owrate.
Openatomizingairvalvemoreor 
increasegunairinletpressure; 
uselowestairpressurenecessary.
Replacepackings.See
PackingRodRepair,page63.
Replaceairvalve.See
AirValveRepair,page72.
Replaceelectrode.See
ElectrodeReplacement,page61.
NozzleReplacement,page59.
Gundoesnotspray.
Dirtyaircap.
Excessivepaintwrapbackto 
operator.
Looseuidnozzle.
Damagednozzleo-ring.
Lowuidsupply.Adduidifnecessary.
Dirtyorcloggeduidnozzle.Clean.See
Closedordamageduid 
adjustmentvalve.
Misalignedaircapanduidnozzle.Cleanuidbuildupoffaircap
Poorgrounding.
Incorrectdistancefromguntopart.Shouldbe8–12in.(200–300mm).
Tighten.
Replaceo-ring.SeeAirCapand
NozzleReplacement,page59.
CleantheGunDaily,page44.
Openvalve,orsee
ESOn-OffandFluidAdjustment 
ValveRepair,page71.
anduidnozzleseat.See
CleantheGunDaily,page44.
SeeGrounding,page22.
3A2496H55
Page 56

Troubleshooting
Electrical
Electrical Electrical
Problem
Problem Problem
Voltagestillpresentat 
gunafterfollowingthe
FluidVoltageDischargeand 
GroundingProcedure,page39.
Poorwrap.
Troubleshooting
Troubleshooting Troubleshooting
Cause
Cause Cause
ESOn/Offswitchisnotturned 
OFF(O).
Didnotwaitlongenoughfor 
voltagetodischarge.
Airpocketinuidlineleavesuid 
neargunisolated.
Voltageisolationsystemfailed.Servicevoltageisolationsystem.
Groundingcylindernotoperating.See
ESOn/OffswitchisOFF(O).TurnON(I).
Gunairpressuretoolow(ES 
indicatorisamber).
Atomizingairpressuretoohigh.Decrease.
Fluidpressuretoohigh.Decrease.
Incorrectdistancefromguntopart.Shouldbe8-12in.(200-300mm).
Solution
Solution Solution
TurnOFF(O).
Waitlongerbeforetouching 
electrodewithgroundingrod. 
Checkforbleedresistorfailure.
Determinecauseandcorrect. 
Purgeairfromuidline.
TestCylinderResistance,page50.
Replaceifneeded.
Checkairpressuretogun; 
minimum45psi(0.32MPa,3.2 
bar)neededatgunforfullvoltage.
Poorlygroundedparts.Resistancemustbe1megohmor
less.Cleanworkpiecehangers.
Faultygunresistance.
Fluidleaksfromthepacking(2c) 
andcausesashort.
Faultyalternator.
ESHI/LOswitchisonLO(Smart 
gunsonly)
Spilledpaint,driedpaint,orother 
contaminantsinsidetheWB100 
Enclosure,causingashortcircuit.
ESOn/OffswitchisOFF(O).TurnON(I). ESorHzindicatorisnotlit.
Nopower.
See
TestGunResistance,page47.
Cleanthepackingrodcavity,or 
replacethepackingrod.See
PackingRodRepair,page63.
SeeAlternatorRemovaland
Replacement,page67.
Checkswitchactuation;replaceif 
needed.
Cleaninteriorofenclosure.
Checkpowersupply,alternator, 
andalternatorribboncable.See
PowerSupplyRemovaland 
Replacement,page66.
563A2496H
Page 57

Troubleshooting
Problem
Problem Problem
Operatorgetsmildshock.
Operatorgetsshockfrom 
workpiece.
Voltage/currentdisplaystaysred 
(smartgunsonly).
ESorHzindicatorisamber.
ESorHzindicatorisred.
Cause
Cause Cause
Operatornotgroundedorisnear 
ungroundedobject.
Gunnotgrounded.SeeCheckGunElectrical
Aweakstaticchargehasbuiltup 
onthesurfaceofanunshielded 
uidhose.Thisisachargeonthe 
hosesurface,notafailureofthe 
hoseinsulation.
Workpiecenotgrounded.Resistancemustbe1megohmor
Gunistooclosetothepartbeing 
sprayed.
Dirtygun.
Alternatorspeedistoolow.Increaseairpressureuntil
Alternatorspeedistoohigh.Decreaseairpressureuntil
Solution
Solution Solution
SeeGrounding,page22.
Grounding,page38,and 
TestGunResistance,page47.
Bundleandwraptheairanduid 
hosestogether.SeeConnectthe
WaterborneFluidHose,page17.
less.Cleanworkpiecehangers.
Gunshouldbe8–12in.(200–300 
mm)fromthepart.
SeeCleantheGunDaily,page44.
indicatorisgreen.Toavoid 
over-atomization,usethe 
atomizingairrestrictorvalveto 
reducetheatomizingairtotheair 
cap.
indicatorisgreen.
ErrordisplayappearsandHz 
indicatorisred(Smartgunsonly).
Smartmodulehaslost 
communicationwiththepower 
supply.
CheckforgoodconnectionsbetweentheSmartModuleandthe 
powersupply.SeeSmartModule
Replacement,page73and 
PowerSupplyRemovaland 
Replacement,page66.
3A2496H57
Page 58

Repair
Repair
Repair Repair
Prepare
Prepare Prepare
Installingandrepairingthisequipmentrequires 
accesstopartsthatmaycauseelectricshockor 
otherseriousinjuryiftheworkisnotperformed 
properly.Donotinstallorservicethisequipment 
unlessyouaretrainedandqualied.Toreduce 
theriskofre,explosion,orelectricshock,before 
ushingthegun:
•FollowtheFluidVoltageDischargeand
GroundingProcedure,page39,andturnOFF
(O)theESOn-Offswitchbeforeushing, 
checking,orservicingthesystemandwhenever 
youareinstructedtodischargethevoltage.
•Cleanallpartswithanon-ammableuidas 
denedunderModels,page3.
•Donottouchthegunnozzleorcomewithin4in. 
(102mm)ofthenozzleduringgunoperationor 
untilyouperformtheFluidVoltageDischarge
andGroundingProcedure,page39.
Toreducetheriskofinjury,followthePressure 
ReliefProcedurebeforecheckingorservicingany 
partofthesystemandwheneveryouareinstructed 
torelievethepressure.
the
Gun
the the
Gun Gun
for
Service
for for
Service Service
•Checkallpossibleremedies 
inTroubleshooting,page51beforedisassembling 
thegun.
•Useavisewithpaddedjawstopreventdamage 
toplasticparts.
•Lubricatesomepackingrodparts(2)andcertain 
uidttingswithdielectricgrease(44),asspecied 
inthetext.
•Lightlylubricateo-ringsandsealswithnon-silicone 
grease.OrderPartNo.111265Lubricant.Donot 
over-lubricate.
•OnlyusegenuineGracoparts.Donotmixoruse 
partsfromotherProGunmodels.
•AirSealRepairKit24N789isavailable.The 
kitmustbepurchasedseparately.Kitpartsare 
markedwithanasterisk,forexample(6a*).
•FluidSealRepairKit24N790isavailable.The 
kitmustbepurchasedseparately.Kitpartsare 
markedwithasymbol,forexample(2a‡).
1.FollowtheFluidVoltageDischargeand
GroundingProcedure,page39.
2.Flushthegun.SeeFlushing,page42.
3.Blowtheuidlinesdrywithair.
4.Relievethepressure.See
PressureReliefProcedure,page39.
5.Disconnectthegunairanduidlinesatthe
isolationsystem.
6.Removethegunfromtheworksite.Repairarea
mustbeclean.
583A2496H
Page 59

Repair
Air
Cap
Air Air
Cap Cap
and
Nozzle
and and
Nozzle Nozzle
Replacement
Replacement Replacement
NOTICE
NOTICE NOTICE
Triggerthegunwhileremovingthenozzletohelp 
drainthegunandpreventanypaintorsolventleft 
inthegunfromenteringtheairpassages.
1.Followthestepsin
PreparetheGunforService,page58.
2.Removetheretainingring(6)andaircap(5).
3.Triggerthegunwhileremovingtheuidnozzle 
(4)assemblywiththemulti-tool(41).
Thenozzlecontactring(4a)isaconductive 
contactring,notasealingo-ring.Toreduce 
theriskofsparkingorelectricshock,donot 
removethenozzlecontactring(4a)exceptto 
replaceitandneveroperatethegunwithout 
thecontactringinplace.Donotreplacethe 
contactringwithanythingbutagenuineGraco 
part.
NOTE:
NOTE: NOTE: 
111265,onthesmallo-ring(4b).Donot 
over-lubricate.Donotlubricatetheconductive 
contactring(4a).Excessivegreasecanmixwith 
paintandblemishthenishontheworkpiece.
4.Makesuretheconductivecontactring(4a)and 
thesmallo-ring(4b)areinplaceonthenozzle 
(4).Lightlylubricatethesmallo-ring(4b).
NOTE:
NOTE: NOTE: 
showsomewearatthepointwhereitmakes 
contactwiththebarrelpin.Thisisnormaland 
doesnotrequirereplacement.
5.Makesuretheelectrodeneedle(3)isnger-tight.
6.Triggerthegunwhileinstallingtheuidnozzle 
(4)withthemulti-tool(41).Tightenuntiltheuid 
nozzleseatsinthegunbarrel(1/8to1/4turn 
pasthand-tight).
Usenon-siliconegrease,PartNo.
Theconductivecontactring(4a)may
7.Installtheaircap(5)andretainingring(6).Make 
suretheu-cup(6a*)isinplacewiththelipsfacing 
forward.
Figure32AirCapandNozzleReplacement
3A2496H59
Page 60

Repair
Air
Cap,
Air Air
Cap, Cap,
Spray
Spray Spray
Tip,
and
Tip, Tip,
Nozzle
and and
Nozzle Nozzle
Replacement
Replacement Replacement
(Model
(Model (Model
L60M19)
L60M19) L60M19)
1.SeePreparetheGunforService,page58.
2.Removetheretainerring(6)andaircap/tipguard 
assembly(5).
Figure33RemoveAirCap
3.Disassembletheaircapassembly.Checkthe 
conditionoftheu-cup(6a),electrode(5a),o-ring 
(5b),andtipgasket(10a).Replaceanydamaged 
parts.
4.Toreplacetheelectrode(5a),pulltheitoutofthe 
backoftheaircap,usinganeedle-nosepliers. 
Pushthenewelectrodethroughtheaircap 
hole.Makesuretheshortendoftheelectrode 
engagestheholeinthebackoftheaircap.Press 
theelectrodeinplacermlywithyourngers.
NOTICE
NOTICE NOTICE
Theconductivering(4c)isaconductivemetal 
contactring,notasealingo-ring.Forbest 
performanceandtoavoidpotentialdamageto 
thespraygun,donotremovetheconductive 
ring(4c)excepttoreplaceitandneveroperate 
thegunwithouttheconductiveringinplace. 
Donotreplacetheconductiveringwith 
anythingbutagenuineGracopart.
5.Triggerthegunandremovethenozzle(4),using 
anadjustablewrench.
Figure36ReplaceNozzle
NOTICE
NOTICE NOTICE
Figure34DisassembleAirCapAssembly
Figure35TipGasket
603A2496H
Donotovertightenthenozzle(4). 
Overtighteningmaydamagethehousingand 
thegunbarrel,resultinginimproperuid 
shutoff.
6.Ensurethattheo-rings(4a,4b,and9)arein 
placeonthenozzle.Triggerthegunandinstall 
thenozzle(4).Tightenuntilsnug,then1/4turn 
more.
7.Checkthatthespraytipgasket(10a)isinplace. 
Alignthespraytiptabwiththegrooveintheair 
cap(5).Installthespraytip(10)intheaircap.
8.Makesurethattheelectrode(5a)isinstalled 
correctlyintheaircap.
9.Checkthattheaircapo-ring(5b)isinplace.
Page 61

Repair
10.Checkthattheu-cup(6a)isinplaceonthe 
retainingring(6).Thelipsoftheu-cupmustface 
forward.
NOTICE
NOTICE NOTICE
Toavoiddamagingthetipguard,orientthe 
aircapassembly(5)beforetighteningthe 
retainingring(6).Donotturntheaircapwhen 
theretainingringistight.
11.Orientatetheaircapandtightentheretaining 
ringsecurely.
12.SeeTestGunResistance,page47.
Electrode
Electrode Electrode
1.Followthestepsin
PreparetheGunforService,page58.
2.Removetheaircapandnozzle.See
AirCapandNozzleReplacement,page59.
3.Unscrewtheelectrode(3)withthemulti-tool(41).
Toavoiddamagingtheplasticthreads,bevery 
carefulwheninstallingtheelectrode.
4.Applylow-strengthpurplethreadlockertothe 
electrodeandpackingrodthreads.Installthe 
electrodenger-tight.Donotovertighten.
5.Installtheuidnozzleandaircap.See
AirCapandNozzleReplacement,page59.
Toavoidequipmentdamage,useonlythe 
electrodeneedleavailableinkit26A416. 
Alternateelectrodesarenotacceptableforuse 
anddonottthepackingrodthreads.
Replacement
Replacement Replacement
NOTICE
NOTICE NOTICE
NOTICE
NOTICE NOTICE
Figure37ElectrodeReplacement
3A2496H61
Page 62

Repair
Needle
Needle Needle
1.SeePreparetheGunforService,page58.
2.Removetheaircapandnozzle.See
3.Unscrewtheneedle(3).
4.Applylow-strength(purple)Loctite®orequivalent
5.Installtheuidnozzleandaircap.See
6.SeeTestGunResistance,page47.
Replacement
Replacement Replacement
AirCap,SprayTip,andNozzleReplacement 
(ModelL60M19),page60.
threadsealanttotheneedleandpackingrod 
threads.Installtheneedlenger-tight.Donot 
overtighten.
AirCap,SprayTip,andNozzleReplacement 
(ModelL60M19),page60.
(Model
(Model (Model
L60M19)
L60M19) L60M19)
Fluid
Fluid Fluid
1.Followthestepsin
2.Removetheaircapanduidnozzle.See
3.Removetheelectrode.See
4.Loosenthetriggerscrews(13)andremovethe
5.Removethepackingrod(2),usingthemulti-tool
6.Checkallpartsforwearordamageandreplace
Packing
Packing Packing
PreparetheGunforService,page58.
AirCapandNozzleReplacement,page59.
ElectrodeReplacement,page61.
trigger(12).
(41).Removethespring(17).
ifnecessary.
Rod
Removal
Rod Rod
Removal Removal
Figure39FluidPackingRodRemoval
Figure38ElectrodeReplacement
623A2496H
Page 63

Repair
Packing
Packing Packing
NOTE:
NOTE: NOTE:
Adjust
Adjust Adjust
NOTE:
NOTE: NOTE: 
isdischargedandtheuidstopsbeforetheairow 
stops.Thepackingrodassemblyispre-adjustedat 
thefactoryforproperairleadandlag.Adjustonly 
ifnecessary,asfollows.
1.Removethespring(17)fromthenut(2k).
Rod
Rod Rod
Youmayreplacethepackingrodasindividualpartsorasanassembly.
the
the the
Thegunbeginsemittingairbeforetheuid
Repair
Repair Repair
Air
Flow
Air Air
Lead
Flow Flow
Lead Lead
and
Lag
and and
Lag Lag
2.Useahexwrenchtoholdtheendofthepacking 
rod.Turnbothadjustmentnuts(2j,2k)outto 
increasethelead/lagtimefortheairow.The 
recommendedadjustmentisonehalfturnand 
notmorethanonefullturn.
3.Tightenthenutstogethertoxtheminthenew 
position.
3A2496H63
Page 64

Repair
Reassemble
Reassemble Reassemble
NOTE:
NOTE: NOTE: 
gunbarrel,makesuretheinternalsurfacesofthe 
barrelareclean.Removeanyresiduewithasoft 
brushorcloth.Checktheinsideofthebarrelfor 
marksfromhighvoltagearcing.Ifmarksarepresent, 
replacethebarrel.
1.Placethepackingnut(2f)andseal(2b‡)onthe
2.Filltheinnercavityofthespacer(2h‡)with
3.Placetheuidpacking(2c‡)onthepackingrod
Beforeinstallingtheuidpackingrodintothe
uidrod(2e).Flatsonthepackingnutmustface 
thebackoftheuidrod.Thesealo-ringmust 
faceawayfromthepackingnut.
dielectricgrease(44).Placethespaceronthe 
uidrod(2e)inthedirectionshown.Generously 
applydielectricgreasetotheoutsideofthe 
spacer.
(2e)withitslipsfacingthefrontoftherod.Install 
theneedlepacking(2d‡)withthemaleend 
towardtheuidpacking,theninstallthehousing 
(2g).
the
Packing
the the
Packing Packing
Rod
Rod Rod
4.Lightlytightenthepackingnut(2f).Thepacking 
nutisproperlytightenedwhenthereis3lb(13.3 
N)ofdragforcewhenslidingthepackinghousing 
(2g)assemblyalongtherod.Tightenorloosen 
thepackingnutasneeded.
5.Installtheo-ring(2a‡)ontheoutsideofhousing 
(2g).Lubricatetheo-ringwithnon-silicone 
grease,PartNo.111265.Donotover-lubricate.
6.Installthespring(17)againstthenut(2j)as 
shown.
7.Installthepackingrodassembly(2)intothe 
gunbarrel.Usingthemulti-tool(41),tightenthe 
assemblyuntiljustsnug.
8.Installtheelectrode.See
ElectrodeReplacement,page61,step4.
9.Installthenozzleandaircap.See
AirCapandNozzleReplacement,page59,
steps5–7.
10.Installthetrigger(12)andscrews(13).
Figure40PackingRod
643A2496H
Page 65

Repair
Barrel
Barrel Barrel
1.Followthesteps
2.Removetheairinlettting(21)andtakethe
3.Loosenthetwoscrews(27).
4.Holdthegunhandle(16)withonehandandpull
NOTE:
NOTE: NOTE: 
removethealternator/powersupplyassemblyfrom 
thebarrel.
Removal
Removal Removal
inPreparetheGunforService,page58.
bracket(104)offthegunhandle(16).
NOTICE
NOTICE NOTICE
Toavoiddamagingthepowersupply(11),pull 
thegunbarrel(1)straightawayfromthegun 
handle(16).Ifnecessary,gentlymovethegun 
barrelfromsidetosidetofreeitfromthegun 
handle.
thebarrel(1)straightoffthehandle.
Ifthepowersupplyremainsinthebarrel,
Barrel
Barrel Barrel
1.Besurethegasket(28*)andgroundingspring
2.Makesurethespring(11a)isinplaceonthetipof
3.Tightenthetwoscrews(27)oppositelyand
4.Positionthebracket(104)onthegunhandle(16)
5.Applydielectricgrease(44)totheexposedinner
6.Checkthatthenut(105)istightontheferrule
7.FollowthestepsinTestGunResistance,page47.
Installation
Installation Installation
(18)areinplace.Makesurethegasketair 
holesarealignedproperly.Replacethegasketif 
damaged.
thepowersupply(11).Liberally Liberally 
grease(44)tothetipofthepowersupply.Place 
thebarrel(1)overthepowersupplyandontothe 
gunhandle(16).
evenly(aboutahalfturnpastsnug,or20in-lb., 
2N•m).
Toavoiddamagingthegunbarrel,donot 
over-tightenthescrews(27).
andsecurewiththeairinlettting(21).
tubeoftheuidhose(101).
housing(103).
Liberally
NOTICE
NOTICE NOTICE
applydielectric
Figure41BarrelRemoval
Figure42BarrelInstallation
3A2496H65
Page 66

Repair
Power
Power Power
•Inspectthegunhandlepowersupplycavityfordirt 
ormoisture.Cleanwithaclean,dryrag.
•Donotexposegasket(28)tosolvents.
1.Followthestepsin
2.FollowthestepsinBarrelRemoval,page65.
3.Graspthepowersupply(11)withyourhand.
4.Inspectthepowersupplyandalternatorfor
5.Toseparatethepowersupply(11)fromthe
6.Followthestepsin
Supply
Supply Supply
PreparetheGunforService,page58.
Becarefulwhenhandlingthepowersupply 
(11)toavoiddamagingit.
Withagentlesidetosidemotion,freethepower 
supply/alternatorassemblyfromthegunhandle 
(16),thencarefullypullitstraightout.
Modelsonly,
fromthesocketatthetopofthehandle.
damage.
alternator(15),disconnectthe3-wireribbon 
connector(PC)fromthepowersupply.
Modelsonly,
(24)fromthepowersupply.Slidethealternator 
upandoffthepowersupply.
TestPowerSupplyResistance,page48.
Replacethepowersupplyifnecessary. 
Torepairthealternator,see
AlternatorRemovalandReplacement,page67.
Removal
Removal Removal
NOTICE
NOTICE NOTICE
disconnecttheexiblecircuit(24)
disconnectthe6–pinexiblecircuit
and
Replacement
and and
Replacement Replacement
OnSmart
OnSmart
9.Insertthepowersupply/alternatorassemblyin 
thegunhandle(16).Makesurethegroundstrips 
(EE)makecontactwiththehandle.OnSmart 
models,aligntheconnectorofthe6–pinexible 
circuit(24)withthesocket(CS)atthetopofthe 
handle.Pushtheconnectorsecurelyintothe 
socketasyouslidethepowersupply/alternator 
assemblyintothehandle.
Figure43ConnectFlexibleCircuit
10.Makesurethegasket(28*),groundspring 
(18),andpowersupplyspring(11a)arein 
place.Replacegasket(28*)ifdamaged. 
Assemblethebarrel(1)tothehandle(16).See
BarrelInstallation,page65.
11.FollowthestepsinTestGunResistance,page47.
NOTICE
NOTICE NOTICE
Topreventdamagetothecableandpossible 
interruptionofthegroundcontinuity,bendthe 
alternator’s3-wireribboncable(PC)upward 
andback,sothebendfacesthepowersupply 
andtheconnectorisatthetop.
7.
Smartmodelsonly:
circuit(24)tothepowersupply.
8.Connectthe3-wireribbonconnector(PC)tothe 
powersupply.Tucktheribbonforward,under 
thepowersupply.Slidethealternator(15)down 
ontothepowersupply(11).
663A2496H
connectthe6–pinexible
Figure44PowerSupply
Page 67

Repair
Alternator
Alternator Alternator
NOTE:
NOTE: NOTE: 
ofoperation.OrderPartNo.24N706BearingKit. 
Partsincludedinthekitaremarkedwithasymbol(♦).
1.Followthestepsin
2.Removethepowersupply/alternatorassembly
3.Measureresistancebetweenthetwoouter
4.Usingaatbladescrewdriver,prytheclip(15h)
5.Ifnecessary,rotatethefan(15e)soitsblades
Replacealternatorbearingsafter2000hours
PreparetheGunforService,page58.
anddisconnectthealternator.SeePowerSupply
RemovalandReplacement,page66.
terminalsofthe3-wireconnector(PC);itshould 
be2.0–6.0ohms.Ifoutsidethisrange,replace 
thealternatorcoil(15a).
offthehousing(15d).Removethecap(15f), 
usingathinbladeorscrewdriver.
clearthefourbearingtabs(T)ofthehousing 
(15d).
Removal
Removal Removal
and
Replacement
and and
Replacement Replacement
6.Pushthefanandcoilassembly(15a)outthe 
frontofthehousing(15d).
Figure46AlternatorCross-Section
♦28isnotshowninillustration.
Figure45FanOrientation
NOTICE
NOTICE NOTICE
Topreventdamage,donotscratchordamage 
themagnet(M)orshaft(S).Donotpinch 
ordamagethe3–wireconnector(PC)when 
disassemblingandreassemblingthebearings.
7.Holdthecoilassembly(15a)onaworkbench 
withthefanendfacingup.Usingawideblade 
screwdriver,prythefan(15e)offtheshaft(S).
8.Removethetopbearing(15b2).
9.Removethebottombearing(15b1).
10.Installthenewbottombearing(15b1♦)onthe 
longendoftheshaft(S).Theattersideofthe 
bearingmustfaceawayfromthemagnet(M). 
Installinthecoil(15a)sothebearingbladesare 
ushwiththesurfaceofthecoil.
11.Pressthenewtopbearing(15b2♦)ontotheshort 
endoftheshaftsothebearingbladesareush 
withthesurfaceofthecoil(15a).Theatterside 
ofthebearingmustfaceawayfromthecoil.
3A2496H67
Page 68

Repair
12.Holdthecoilassembly(15a)onaworkbench 
withthefanendfacingup.Pressthefan(15e♦) 
ontothelongendoftheshaft(S).Thefanblades 
mustbeorientedasshown.
13.Carefullypressthecoilassembly(15a)intothe 
frontofthehousing(15d♦)whilealigningthe 
pinonthecoilwiththeslotinthehousing.The 
3–wireconnector(PC)mustbepositionedbelow 
thewidernotch(W)ofthehousingtabs,as 
showninFig.46.Besurethecoilalignmentpins 
(P)arepositionedasshowninFig.45.
14.Rotatethefan(15e)soitsbladesclearthefour 
bearingtabs(T)atthebackofthehousing. 
Ensurethatthebladesofthebottombearing 
(15b1♦)alignwiththetabs.
15.Seatthecoilfullyintothehousing(15d♦).Secure 
withtheclip(15h♦),ensuringthatitstabsengage 
theslotsinthehousing.
16.Ensurethattheo-ring(15g)isinplace.Install 
thecap(15f).
17.Installthealternatoronthepowersupply,and 
installbothpartsinthehandle.SeePower
SupplyRemovalandReplacement,page66.
Figure47Alternator
683A2496H
Page 69

Repair
Fan
Air
Fan Fan
Adjustment
Air Air
Adjustment Adjustment
Valve
Valve Valve
Repair
Repair Repair
1.Followthestepsin
PreparetheGunforService,page58.
2.Placeawrenchontheatsofthevalvehousing 
(30a)andunscrewthevalvefromthehandle 
(16).
NOTE:
NOTE: NOTE: 
assembly(gotostep9)orreplaceonlytheo-ring 
(steps3–9).
3.Removetheretainingring(30d).
4.Turnthevalveshaft(30b)counterclockwiseuntil 
itcomesfreefromthevalvehousing(30a).
5.Inspecttheo-ring(30c).Removeifdamaged.
6.Cleanallpartsandinspectforwearordamage.
NOTE:
NOTE: NOTE:
111265.Donotover-lubricate.
7.Whenreassemblingthefanairvalve(30),lightly 
lubricatethevalvethreadsandscrewtheshaft 
(30b)fullyintothehousing(30a)untilbottomed. 
Installtheo-ring(30c*),lubricate,andunscrew 
thevalvestemuntiltheo-ringentersthehousing.
Youmayreplacethevalveasan
Usenon-siliconegrease,PartNo.
8.Reassembletheretainingring(30d).Unscrew 
thevalvestemfromthehousinguntilitisstopped 
bytheretainingring.
9.Screwthevalveassembly(30)intothegun 
handle(16),usingawrenchontheatsofthe 
housing.Torqueto15in-lb(1.7N•m).
Figure48FanAirAdjustmentValve
3A2496H69
Page 70

Repair
Atomizing
Atomizing Atomizing
1.Followthestepsin
PreparetheGunforService,page58.
2.Placeawrenchontheatsofthevalvehousing 
(29a)andunscrewthevalvefromthehandle 
(16).
NOTE:
NOTE: NOTE: 
assembly(gotostep9)orreplaceonlytheo-ring 
(steps3–9).
3.Unscrewthevalvestem(29e).Removethe 
retainingring(29d).
4.Turnthevalvebody(29b)counterclockwiseuntil 
itcomesfreefromthevalvehousing(29a).
5.Inspecttheo-ring(29c).Removeifdamaged.
6.Cleanallpartsandinspectforwearordamage.
NOTE:
NOTE: NOTE:
111265.Donotover-lubricate.
7.Whenreassemblingtheatomizingairrestrictor 
valve(29),lightlylubricatetheo-ring(29c)and 
pushthevalvebody(29b)fullyintothehousing 
(29a)untilbottomed.
8.Reassembletheretainingring(29d).Threadthe 
valvestem(29e)halfwayintothevalvebody 
(29b).
9.Aligntheslot(S)inthevalvestemwiththerib(R) 
inthegunhandle.Screwthevalveassembly(29) 
intothegunhandle(16),usingawrenchonthe 
atsofthehousing.Torqueto15in-lb(1.7N•m).
NOTE:
NOTE: NOTE: 
desired,installthesuppliedplug(42).
Iftheatomizingairrestrictorvalveisnot
Air
Restrictor
Air Air
Restrictor Restrictor
Youmayreplacethevalveasan
Usenon-siliconegrease,PartNo.
Valve
Valve Valve
Repair
Repair Repair
Figure49AtomizingAirRestrictorValve
Figure50AlignValveStem
703A2496H
Page 71

Repair
ES
On
Off
and
ES ES
On On
- --Off Off
Fluid
and and
Fluid Fluid
Adjustment
Adjustment Adjustment
Valve
Valve Valve
Repair
Repair Repair
1.Followthestepsin
PreparetheGunforService,page58.
2.Loosenthecaptivescrew(26p).Removethe
valve(26)fromthehandle.
3.Lubricatetheo-rings(26b*and26m*)with
non-siliconegrease,PartNo.111265.Donot 
over-lubricate.
NOTE:
NOTE: NOTE: 
lubricantontheo-ringscanbepushedintothe 
gunairpassageandblemishthenishonthe 
workpiece.
Donotover-lubricateparts.Excessive
4.Cleanandinspectpartsfordamage.Replace 
ifnecessary.
NOTE:
NOTE: NOTE: 
mustpointupward.
5.Reinstallthevalve.Torquethescrew(27)to 
15-25in-lb(1.7-2.8N•m).
Theprotrusionontheretainerplate(26h)
Figure51ESOn-OffValveRepair,24N630and 
26A160
Figure52ESOn-OffValveRepair,24N632
3A2496H
71
Page 72

Repair
Air
Valve
Air Air
Valve Valve
Repair
Repair Repair
1.Followthestepsin
PreparetheGunforService,page58.
2.FollowthestepsinBarrelRemoval,page65.
3.Removethescrews(13)andtrigger(12).
4.RemovetheESOn-OffValve.SeeESOn-Off
andFluidAdjustmentValveRepair,page71.
5.Removethespring(34).
6.Pushonthefrontoftheairvalveshafttoforceit 
outthebackofthehandle.Inspecttherubber 
seal(23a*)andreplaceifdamaged.
7.Inspecttheu-cup(35).Donotremovetheu-cup 
unlessdamaged.Ifremoved,installthenewone 
withitslipsfacingintothegunhandle(16).Place 
theu-cupontheshaftoftheairvalvetohelpseat 
itinthegunhandle.
8.Installtheairvalve(23)andspring(34)intothe 
gunhandle(16).
9.InstalltheESOn-OffValve.SeeESOn-Offand
FluidAdjustmentValveRepair,page71.
10.Installthetrigger(12)andscrews(13).
11.FollowthestepsinBarrelInstallation,page65.
Figure54AirValve
Figure53InstallU-Cup
72
3A2496H
Page 73

Repair
Smart
Smart Smart
IftheErrordisplayappears,theSmartModulehas 
lostcommunicationwiththepowersupply.Checkfor 
goodconnectionsbetweentheSmartModuleand 
thepowersupply.
Ifthemodule’sLEDsarenotlighting,replacethe 
module.
1.Followthestepsin
2.Removethepivotscrew(31e),o-ring(31f),and
3.Removetheremainingthreescrews(31d)from
4.PulltheSmartModuleoutthebackofthegun.
5.Removethegasket(31b).
6.Installanewgasket(31b)onthenewcartridge
7.Alignthemodule’sribboncable(RC)with
8.Installthepivotscrew(31e),o-ring(31f),and
9.Installthethreeremainingscrews(31d).Torque
Module
Module Module
PreparetheGunforService,page58.
ESHI/LOswitch(31c)atthebottomleftcornerof 
theSmartModulecartridge(31a).
thecartridge.
Disconnecttheribboncable(RC)fromthe 
connector(GC)inthegunhandle.
(31a).Makesurethenotchedcornersofthe 
gasketareatthetop.
thegun’scable(GC)andslidethemsecurely 
together,asshown.Tucktheconnectedcables 
intotherecessofthegunhandle.Installthe 
moduleushtothebackofthegunhandle.
ESHI/LOswitchinthebottomleftcornerofthe 
cartridge(31a).
to7–9in-lb(0.8–1.0N•m).
Replacement
Replacement Replacement
Figure55SmartModule
Figure56AlignRibbonCables
3A2496H73
Page 74

Repair
Air
Swivel
Air Air
Swivel Swivel
Replacement
Replacement Replacement
1.Followthestepsin
PreparetheGunforService,page58.
2.Toreplacetheairexhaustvalve:
a.Removetheclamp(43)andtheexhausttube
(36).
b.Unscrewtheswivel(21)fromthegunhandle
(16).Theswivelisaleft-handthread. 
Removethebracket(104).
c.Pulltheexhaustvalve(19)fromthehandle
(16).Inspecttheo-ring(19a)andreplaceif 
necessary.
d.Installtheo-ring(19a*)ontheexhaustvalve
(19).Lubricatetheo-ringwithalightcoating 
ofnon-siliconegrease.
e.Installtheexhaustvalve(19)inthehandle
(16).
f.Applythreadsealanttothetopthreadsofthe
swivel(21).Positionthebracket(104)and 
screwtheswivelintothegunhandle(16). 
Torqueto75–85in-lb(8.4–9.6N•m).
g.Checkthatthenuts(102,105)aretight.
h.Installthetube(36)andclamp(43).
3.Toreplacetheairinletswivel:
and
Exhaust
and and
Exhaust Exhaust
Valve
Valve Valve
Figure57AirInletFittingandAirExhaustValve
a.Unscrewtheswivel(21)fromthegunhandle
(16).Theswivelisaleft-handthread.
b.Applythreadsealanttothetopthreadsofthe
swivel.Screwtheswivelintothegunhandle. 
Torqueto75–85in-lb(8.4–9.6N•m).
74
3A2496H
Page 75

Parts
Parts
Parts Parts
Standard
Standard Standard
Part
No.
Part Part
No. No.
Part
No.
Part Part
No. No.
Part
No.
Part Part
No. No.
Part
No.
Part Part
No. No.
Waterborne
Waterborne Waterborne
L60T17
L60T17 L60T17
L60T18
L60T18 L60T18
24M732
24M732 24M732
24M733
24M733 24M733
60
kV
Electrostatic
60 60
kV kV
Electrostatic Electrostatic
60
kV
Electrostatic
60 60
kV kV
Electrostatic Electrostatic
Shielded
Shielded Shielded
Unshielded
Unshielded Unshielded
Air
Spray
Air Air
Spray Spray
Waterborne
Waterborne Waterborne
Waterborne
Waterborne Waterborne
Waterborne
Waterborne Waterborne
Waterborne
Waterborne Waterborne
Gun
Gun Gun
Fluid
Hose
Fluid Fluid
Hose Hose
Fluid
Fluid Fluid
Assembly
Assembly Assembly
Air
Spray
Gun,
Air Air
Spray Spray
Air
Spray
Air Air
Spray Spray
(101),
sold
(101), (101),
sold sold
Hose
(101),
Hose Hose
(101), (101),
Series
Gun, Gun,
Series Series
Gun,
Series
Gun, Gun,
Series Series
separately
separately separately
sold
sold sold
separately separately
separately
C CCincludesitems1–48
C CCincludesitems1–48
for
gun
for for
model
gun gun
model model
for
gun
for for
gun gun
L60T17
L60T17 L60T17
model
model model
L60T18
L60T18 L60T18
Torqueto20in-lb(2N•m).
3A2496H75
Page 76

Parts
Part
No.
Part Part 
Part
Part Part 
Part
Part Part 
Part
Part Part
Ref.
Ref. Ref. 
No.
No. No. 
124N667
224N655
L60T17
No. No.
L60T17 L60T17
No.
L60T18
No. No.
L60T18 L60T18
No.
24M732
No. No.
24M732 24M732
No.
24M733
No. No.
24M733 24M733
Part
Part Part
60
kV
Electrostatic
60 60
kV kV
Electrostatic Electrostatic
60
kV
Electrostatic
60 60
kV kV
Electrostatic Electrostatic
Shielded
Shielded Shielded
Unshielded
Unshielded Unshielded
No.
Description
No. No.
Description Description
BODY,gun(includesref.28)
SeePackingRodAssembly,
Waterborne
Waterborne Waterborne 
Waterborne
Waterborne Waterborne
Waterborne
Waterborne Waterborne
Waterborne
Waterborne Waterborne
Fluid
Fluid Fluid
Fluid
Fluid Fluid
page86
324N652NEEDLE,electrode,black1
424N616
4a24N645
4b111507
5
24N477
624P892
198307
6a*
1124N662
11a24N979
1224N663
1324A445
1524N664
24P744
24P743
17185111
18197624
1924P036VALVE,exhaust1
112085
19a*
2124N626
2324N633VALVE,air1
276733
23a*
2624N630
2724N740
25N921
28*
2924T304
3024N634
34185116
188749
35*
36185103
NOZZLE,1.5mm;includes4a 
and4b
O-RING,conductive
O-RING;uoroelastomer
AIRCAP
RING,retainer;includes6a
PACKING,u-cup;UHMWPE
POWERSUPPLY,60kVgun
SPRING
TRIGGER
SCREW,trigger;packageof2
See
AlternatorAssembly,page87
HANDLE;forgunmodelL60T17
HANDLE;forgunmodelL60T18
SPRING,compression
SPRING,compression
O-RING
SWIVEL,airinlet;M12x1/4 
npsm(m);left-handthread
SEAL,airvalve
SeeESOn-OffandFluid
AdjustmentValve,page88
SCREW,hexsocket;10–24x
0.53in.;sst; 
packageof2
GASKET,barrel
SeeAtomizingAirRestrictor
ValveAssembly,page89
SeeFanAirAdjustmentValve
Assembly,page89
SPRING,compression
PACKING,u-cup
TUBE,exhaust;1/4in.(6mm) 
ID(shippedloose)
Air
Spray
Gun,
Air Air
Spray Spray
Air
Spray
Air Air
Spray Spray
Hose
(101),
Hose Hose
Hose
Hose Hose
Qty
Qty Qty
1
1
1
1
1
1
1
1
1
1
1
1
1
1 16
1
1
1
1
1
1
1
1
1
1
1
1
1
1
sold
(101), (101),
sold sold
(101),
(101), (101),
Ref.
Ref. Ref. 
No.
No. No. 
40107460
41276741
4224N786
43110231
44116553
45117824
46
48▲186118
5024N783
101
103
104197954
105185548NUT1
10616N953
107102982
10816N916
Series
Gun, Gun,
Series Series
Gun,
Series
Gun, Gun,
Series Series
separately
separately separately
sold
sold sold
Part
Part Part
24N604
24M732
24M733
25N916
25N917
198663
190863
185547
15B932
separately
separately separately
No.
No. No.
C CCincludesitems1–48 
C CCincludesitems1–48
for
gun
for for
model
gun gun
model model
for
gun
for for
gun gun
Description
Description Description
TOOL,wrench,ballend;4mm 
(shippedloose)
MULTI-TOOL(shippedloose)
PLUG,restrictor(shippedloose; 
foruseinsteadofitem29)
CLAMP,exhausttube(shipped 
loose)
GREASE,dielectric;1oz(30 
ml)tube(notshown)
GLOVE,conductive,medium; 
packageof12;alsoavailable 
insmall(117823)andlarge 
(117825)
COVER,gun;packageof10
SIGN,warning(notshown)
HOOK;includesscrew
HOSE,shielded,waterborne 
uid,25ft(7.6m);forgunmodel 
L60T17;includes102–108;sold 
separately
HOSE,unshielded,waterborne 
uid,25ft(7.6m);forgunmodel 
L60T18;includes102–108;sold 
separately
HOSE,shielded,waterborne 
uid,50ft(15.2m);forgun 
modelL60T17;includes 
102–108;soldseparately
HOSE,unshielded,waterborne 
uid,50ft(15.2m);forgun 
modelL60T18;includes 
102–108;soldseparately
FERRULE,forshieldedhose
FERRULE,forunshieldedhose
HOUSING,ferrule,forshielded 
hose
HOUSING,ferrule,for 
unshieldedhose
BRACKET,uidtting
FITTING,barrel
O-RING
FITTING,seal
L60T17
L60T17 L60T17
model
model model
L60T18
L60T18 L60T18
Qty
Qty Qty
1
1
1
1
1
1
1
1
1
1
1
1
1
1 102
1
1
1
1
1
1
1
▲ReplacementDangerandWarninglabels,tags, 
andcardsareavailableatnocost.
*ThesepartsareincludedinAirSealRepairKit 
24N789(purchaseseparately).
763A2496H
Page 77

Parts
Smart
Smart Smart
Part
Part Part
Part
Part Part
Part
Part Part
Part
Part Part
Waterborne
Waterborne Waterborne
No.
L60M17
No. No.
L60M17 L60M17
No.
L60M18
No. No.
L60M18 L60M18
No.
24M732
No. No.
24M732 24M732
No.
24M733
No. No.
24M733 24M733
60
60 60
60
60 60
Shielded
Shielded Shielded
Unshielded
Unshielded Unshielded
Air
Spray
Air Air
Spray Spray
kV
Electrostatic
kV kV
Electrostatic Electrostatic
kV
Electrostatic
kV kV
Electrostatic Electrostatic
Waterborne
Waterborne Waterborne
Waterborne
Waterborne Waterborne
Gun
Gun Gun
Waterborne
Waterborne Waterborne
Waterborne
Waterborne Waterborne
Fluid
Fluid Fluid
Assembly
Assembly Assembly
Air
Spray
Gun,
Air Air
Spray Spray
Air
Spray
Air Air
Spray Spray
Hose
(101),
Hose Hose
Fluid
Hose
Fluid Fluid
Hose Hose
sold
(101), (101),
sold sold
(101),
(101), (101),
Series
Gun, Gun,
Series Series
Gun,
Series
Gun, Gun,
Series Series
separately
separately separately
sold
separately
sold sold
separately separately
C
C C
C
C C
for
gun
for for
model
gun gun
model model
for
gun
for for
gun gun
L60M17
L60M17 L60M17
model
model model
L60M18
L60M18 L60M18
Torqueto20in-lb(2N•m).
3A2496H
77
Page 78

Parts
Part
No.
Part Part 
Part
Part Part 
Part
Part Part 
Part
Part Part
Ref.
Ref. Ref. 
No.
No. No. 
124N667
224N655
L60M17
No. No.
L60M17 L60M17
No.
L60M18
No. No.
L60M18 L60M18
No.
24M732
No. No.
24M732 24M732
No.
24M733
No. No.
24M733 24M733
Part
Part Part
60
kV
Electrostatic
60 60
kV kV
Electrostatic Electrostatic
60
kV
Electrostatic
60 60
kV kV
Electrostatic Electrostatic
Shielded
Shielded Shielded
Unshielded
Unshielded Unshielded
No.
Description
No. No.
Description Description
BODY,gun(Includesref.28)
SeePackingRodAssembly,
Waterborne
Waterborne Waterborne 
Waterborne
Waterborne Waterborne
Waterborne
Waterborne Waterborne
Waterborne
Waterborne Waterborne
Fluid
Fluid Fluid
Fluid
Fluid Fluid
page86
324N652NEEDLE,electrode,black1
424N616
4a24N645
4b111507
5
24N477
624P892
198307
6a*
1124N662
11a24N979
1224N663
1324A445
1524N664
24P742
16
24P741
17185111
18197624
1924P036VALVE,exhaust1
112085
19a*
2124N626
2324N633VALVE,air1
276733
23a*
24245265
2624N630
2724N740
25N921
28*
2924T304
3024N634
3124N756
34185116
NOZZLE,1.5mm;includes4a 
and4b
O-RING,conductive
O-RING;uoroelastomer
AIRCAP
RING,retainer;includes6a
PACKING,u-cup;UHMWPE
POWERSUPPLY,60kVgun
SPRING
TRIGGER
SCREW,trigger;packageof2
See
AlternatorAssembly,page87
HANDLE,smart;forgunmodel 
L60M17
HANDLE,smart;forgunmodel 
L60M18
SPRING,compression
SPRING,compression
O-RING
SWIVEL,airinlet;M12x1/4 
npsm(m);left-handthread
SEAL,airvalve
CIRCUIT,exible
SeeESOn-OffandFluid
AdjustmentValve,page88
SCREW,hexsocket;10–24x
0.53in.;sst; 
packageof2
GASKET,barrel
SeeAtomizingAirRestrictor
ValveAssembly,page89
SeeFanAirAdjustmentValve
Assembly,page89
SeeSmartModuleAssembly,
page90
SPRING,compression
Air
Spray
Gun,
Air Air
Spray Spray
Air
Spray
Air Air
Spray Spray
Hose
(101),
Hose Hose
Hose
Hose Hose
Qty
Qty Qty
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
sold
(101), (101),
sold sold
(101),
(101), (101),
Ref.
Ref. Ref. 
No.
No. No. 
35*
36185103
40107460
41276741
4224N786
43110231
44116553
45117824
46
48▲186118
5024N783
101
103
104197954
105185548NUT1
10616N953
107102982
10816N916
Series
Gun, Gun,
Series Series
Gun,
Series
Gun, Gun,
Series Series
separately
separately separately
sold
separately
sold sold
separately separately
Part
Part Part
188749
24N604
24M732
24M733
25N916
25N917
198663
190863
185547
15B932
C
C C 
C
C C
for
gun
for for
No.
No. No.
model
gun gun
model model
for
gun
for for
gun gun
Description
Description Description
PACKING,u-cup
TUBE,exhaust;1/4in.(6mm) 
ID(shippedloose)
TOOL,wrench,ballend;4mm 
(shippedloose)
MULTI-TOOL(shippedloose)
PLUG,restrictor(shippedloose; 
foruseinsteadofitem29)
CLAMP,exhausttube(shipped 
loose)
GREASE,dielectric;1oz(30 
ml)tube(notshown)
GLOVE,conductive,medium; 
packageof12;alsoavailable 
insmall(117823)andlarge 
(117825)
COVER,gun;packageof10
SIGN,warning(notshown)
HOOK;includesscrew
HOSE,shielded,waterborne 
uid,25ft(7.6m);forgunmodel 
L60M17;includes102–108;sold 
separately
HOSE,unshielded,waterborne 
uid,25ft(7.6m);forgunmodel 
L60M18;includes102–108;sold 
separately
HOSE,shielded,waterborne 
uid,50ft(15.2m);forgun 
modelL60M17;includes 
102–108;soldseparately
HOSE,unshielded,waterborne 
uid,50ft(15.2m);forgun 
modelL60M18;includes 
102–108;soldseparately
FERRULE,forshieldedhose
FERRULE,forunshieldedhose
HOUSING,ferrule,forshielded 
hose
HOUSING,ferrule,for 
unshieldedhose
BRACKET,uidtting
FITTING,barrel
O-RING
FITTING,seal
L60M17
L60M17 L60M17
model
model model
L60M18
L60M18 L60M18
Qty
Qty Qty
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1 102
1
1
1
1
1
1
1
▲ReplacementDangerandWarninglabels,tags, 
andcardsareavailableatnocost.
*ThesepartsareincludedinAirSealRepairKit 
24N789(purchaseseparately).
783A2496H
Page 79

Parts
Mold
Mold Mold 
Assembly
Assembly Assembly
Part
Part Part
Part
Part Part
Release
Release Release
No.
L60M19
No. No.
L60M19 L60M19
No.
24M733
No. No.
24M733 24M733
Smart
Smart Smart
60
kV
60 60
kV kV
Unshielded
Unshielded Unshielded
Air
Spray
Air Air
Spray Spray
Electrostatic
Electrostatic Electrostatic
Waterborne
Waterborne Waterborne
Gun
Gun Gun
Mold
Release
Mold Mold
Release Release
Fluid
Fluid Fluid
Air
Spray
Gun,
Air Air
Spray Spray
Hose
(101),
Hose Hose
sold
(101), (101),
sold sold
Series
Gun, Gun,
Series Series
separately
separately separately
C
C C
Torqueto20in-lb(2N•m).
3A2496H79
Page 80

Parts
Part
No.
Part Part 
Part
Part Part
Ref.
Ref. Ref. 
No.
No. No. 
124N667
224N655
L60M19
No. No.
L60M19 L60M19
No.
24M733
No. No.
24M733 24M733
Part
Part Part
60
kV
Electrostatic
60 60
kV kV
Electrostatic Electrostatic
Unshielded
Unshielded Unshielded
No.
Description
No. No.
Description Description
BODY,gun(includesref.28)
SeePackingRodAssembly,
Mold
Release
Mold Mold
Release Release
Waterborne
Waterborne Waterborne
Fluid
Fluid Fluid
page86
324N749NEEDLE1
424N748
4a24N645
4b111507
4c24P893
5
24N727
5a
24N643
6245790
198307
6a*
10AEMxxx
AEFxxx
10a183459
1124N662
11a24N979
1224N663
1324A445
1524N664
24P741HANDLE,smart1
16
17185111
18197624
1924P036VALVE,exhaust1
112085
19a*
2124N626
2324N633VALVE,air1
276733
23a*
24245265
2624N630
2724N740
25N921
28*
NOZZLE,seat;includes4a-4c
O-RING,conductive
O-RING;uoroelastomer
RING,conductive
SeeAirCapAssembly,page90
ELECTRODE;packageof5
RING,retainer;includes6a
PACKING,u-cup;UHMWPE
TIPASSEMBLY;customer’s 
choice;includesitem27a
GASKET,tip
POWERSUPPLY,60kVgun
SPRING
TRIGGER
SCREW,trigger;packageof2
See
AlternatorAssembly,page87
SPRING,compression
SPRING,compression
O-RING
SWIVEL,airinlet;M12x1/4 
npsm(m);left-handthread
SEAL,airvalve
CIRCUIT,exible
SeeESOn-OffandFluid
AdjustmentValve,page88
SCREW,hexsocket;10–24x
0.53in.;sst;packageof2 
GASKET,barrel
Air
Spray
Gun,
Air Air
Spray Spray
Hose
(101),
Hose Hose
(101), (101),
Qty
Qty Qty
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Ref.
Ref. Ref. 
No.
No. No. 
2924N792
3024N634
3124N756
34185116
35*
36185103
40107460
41276741
4224N786
43110231
44116553
45117824
46
48▲186118
5024N783
101
102
103
1
1
1
1
1
104197954
105185548NUT1
10616N953
107102982
10816N916
Series
Gun, Gun,
Series Series
sold
separately
sold sold
separately separately
Part
Part Part
188749
24N604
24M733
25N917
190863FERRULE1
15B932
C
C C
No.
Description
No. No.
Description Description
ATOMIZINGAIR 
ADJUSTMENTVALVE
SeeFanAirAdjustmentValve
Assembly,page89
SeeSmartModuleAssembly,
page90
SPRING,compression
PACKING,u-cup
TUBE,exhaust;1/4in.(6mm) 
ID(shippedloose)
TOOL,wrench,ballend;4mm 
(shippedloose)
MULTI-TOOL(shippedloose)
PLUG,restrictor(shippedloose; 
foruseinsteadofitem29)
CLAMP,exhausttube(shipped 
loose)
GREASE,dielectric;1oz(30 
ml)tube(notshown)
GLOVE,conductive,medium; 
packageof12;alsoavailable 
insmall(117823)andlarge 
(117825)
COVER,gun;packageof10
SIGN,warning(notshown)
HOOK;includesscrew
HOSE,unshielded,waterborne 
uid,25ft(7.6m);includes 
102–108;soldseparately
HOSE,unshielded,waterborne 
uid,50ft(15.2m);includes 
102–108;soldseparately
HOUSING,ferrule
BRACKET,uidtting
FITTING,barrel
O-RING
FITTING,seal
Qty
Qty Qty
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
▲ReplacementDangerandWarninglabels,tags, 
andcardsareavailableatnocost.
*ThesepartsareincludedinAirSealRepairKit 
24N789(purchaseseparately).
803A2496H
Page 81

Parts
Isolation
Isolation Isolation
Part
No.
Part Part
No. No.
Part
No.
Part Part
No. No.
Enclosure
Enclosure Enclosure
233825
233825 233825
246511
246511 246511
Waterborne
Waterborne Waterborne
Waterborne
Waterborne Waterborne
Isolation
Isolation Isolation
Isolation
Isolation Isolation
Enclosure,
Enclosure, Enclosure,
Enclosure,
Enclosure, Enclosure,
forusewithshieldedwaterborneuidhose
forusewithunshieldedwaterborneuidhose
3A2496H81
Page 82

Parts
Part
No.
Ref.
Part Part
Ref. Ref. 
No.
No. No.
———
201
201a15A947
202116993
20315A660PLATE1
20415A551T-HANDLE,latch1
20515A545
20615A524
207113061
———
208
209233501PUMP,diaphragm;sst;see
———
210
———
211
———
212
213241005
214104029
215116989VALVE,air1
216111804
217113060
218116473NIPPLE;1/4nptx1/4npsm1
185547
221
15B932
198663
222
190863
223101390
224154636
225185548NUT1
226190410
227116988
22815A518
229104267
———
230
231114456
232116315
235▲15A682LABEL,warning1
236116316
237218798
238114958
Description
No. No.
Description Description
CABINET,enclosure;includes 
201a
DOOR,cabinet
CASTER,brake
STEM,handle,door
HOUSING,latch
SWITCH,push,air
TUBE;1/2in.(13mm)OD; 
polyethylene
309303 
SCREW,hexhdcap;5/16–18x
5.5in.(140mm) 
WASHER,plain;0.344in.ID
NUT,lock;5/16–182
COVER,pail
LUG,ground
REGULATOR,air
GAUGE,air;1/8npt
FERRULE,housing;for24N580, 
24P629,and233825
FERRULE,housing;for24P630, 
24P631,and246511
FERRULE;for24N580,24P629, 
and233825
FERRULE;for24P630,24P631, 
and246511
WASHER,lock,internaltooth
WASHER,plain;0.625in.ID
RESISTOR,bleed
CYLINDERROD
HOUSING,cylinderrod
REGULATOR,air
BUSHING;plastic;3/4x1/2npt
ELBOW,tube;3/8nptx3/8in. 
(10mm)ODtube
ELBOW,tube;3/8nptx1/2in. 
(13mm)ODtube
FITTING,tube;1/2nptx1/2in. 
(13mm)ODtube
STRAINER,16mesh;sst
STRAP,tie
Part
No.
Qty
Qty Qty
1
1
4
1
1
1
A/R
1
2
2
1
1
1
1
1
1
1
1
1
2
1
1
1
1
1
1
1
1
1
3
Ref.
Ref. Ref. 
No.
No. No. 
239222011
240234018
241110209NUT,regulator11
242114051
243210084
244
245
246
247107257
248
249160430
251
252
253
256162449NIPPLE,reducing;1/2nptx1/4
257101874TERMINAL,ring
258116990
259113983
260237933METER,0–90kV1
261113336ADAPTER;1/4npt1
262
263
264
265
266
267
268
270116991
271203953
272
273
274155541
275114261TERMINAL,ring;no.101
27615A780
278117314
279113319
Part Part
———
———
———
———
———
———
———
———
———
———
———
———
———
———
———
———
Description
No. No.
Description Description
GROUNDWIRE;25ft(7.6m)
STRIP,grounding;aluminum
WASHER,shim,;atch
ROD,ground
SCREW,hexhd;1/4–20x5/8 
in.(16mm)
WASHER,plain;1/4in.(6mm)
NUT,hex;1/4–2016
SCREW,thread-forming
TUBE;1/4in.(6mm)OD;nylon
GAUGE,air
WIRE,10gauge;greenwith 
yellowstripe
CONNECTOR,swiveltee;1/8 
nptx5/32in.(4mm)tube
NUT,hex;10–321
npt
BOX,control
RING,retaining;1/2in.(13mm)
SCREW,panhd;10–32x5/8in. 
(16mm)
SCREW,panhd;10–32x1/4in. 
(6mm)
HOLDER,tie
SCREW,buttonhd;10–24x1.5 
in.(38mm)
SCREW,buttonhd;10–32x1.0 
in.(25mm)
NUT,hex;M5x0.82
WASHER,lock;no.10
TEE,run,manifold
SCREW,hexhdcapwithpatch; 
10–24x3/8in.(10mm)
WIRE,14gauge;redA/R
WIRE,ground,14gauge;green 
withyellowstripe
UNION,swivel;1/4npt
PLUG,hexhd
BULKHEADCONNECTOR;1/4 
npt
CONNECTOR,tube;1/4nptx 
3/8in.(10mm)ODtube
Qty
Qty Qty
1
1
1
1
16
16
1
A/R
1
1
1
2
5
1
1
4
1
3
2
2
9
1
1
A/R
1
1
1
2
823A2496H
Page 83

Part
No.
Ref.
Ref. Ref. 
No.
No. No. 
280
281
282
283
285112791
286
300★235070
Part Part
———
———
———
———
———
Description
No. No.
Description Description
ELBOW,tube
FITTING,tube;1/8nptx5/32in. 
(4mm)ODtube
SWIVEL,tube;1/4nptx1/4in. 
(6mm)ODtube
SWIVEL,tube;1/8nptx5/32in. 
(4mm)ODtube
CLAMP
TUBE;3/8in.(10mm)OD
HOSE,air,grounded;0.315in. 
(8mm)ID;1/4npsm(f)x1/4 
npsm(f)left-handthread;red 
coverwithstainlesssteelbraid 
groundpath;25ft(7.6m)long
Qty
Qty Qty
1
1
4
2
1
A/R
1
▲ReplacementDangerandWarninglabels,tags, 
andcardsareavailableatnocost.
★Theairhose(300)andgun(301)arenotincluded 
with233825and246511IsolationEnclosures.They 
areshownforillustrativepurposesonly.Seepages3 
and4forlistingsofmodelswhichincludeanairhose 
andgun. 
Thepailisshownforillustrativepurposesbutisnot 
included.
Parts
Part
No.
Ref.
Ref. Ref. 
No.
No. No. 
301★
Part Part
L60T17 
L60T18
L60M19 
L60M18
L60M19
Description
No. No.
Description Description
GUN;seeStandardWaterborne
AirSprayGunAssembly,page 
75
GUN;seeSmartWaterborneAir
SprayGunAssembly,page77
GUN;seeMoldReleaseSmart
AirSprayGunAssembly,page 
79
Qty
Qty Qty
1
1
1
3A2496H83
Page 84

Parts
Tubing
Tubing Tubing
Detail
Detail Detail
and
Wiring
and and
Wiring Wiring
Views
Views Views
Control
of ofofControl Control
Box
Box Box
Detail
View
Detail Detail
View View
Door
of ofofDoor Door
Interlock
Interlock Interlock
Switch
Switch Switch
843A2496H
Page 85

Parts
Tubing
Tubing Tubing
and
Wiring
and and
Wiring Wiring
Chart
Chart Chart
Usethediagramstondtheconnectionpointsfor 
thetubingandwiringlistedbelow.
Code
Code Code
A1248
A2248
B2249
B3249
B4249
B5249
C1
C2
C3
Ref.
Ref. Ref.
272
251
273
Length
No.
Length Length
No. No.
in.
(mm)
in. in.
(mm) (mm)
20(508)1/4ODtube,regulator
9(229)1/4ODtube,regulator
17(432)5/32ODtube,manifoldair
20(508)5/32ODtube,valveteeto
5(127)5/32ODtube,regulator
22(559)5/32ODtube,valveteeto
9(229)red14gaugewirefromtop
8(204)
34(864)
Description
Description Description
(216)topump
(216)tomanifold
todoorinterlockswitch
cylinder
(216)togauge(217)
doorinterlockswitch
ofbleedresistortometer 
green/yellow14gaugewire
frominternalboxground 
lugtocylindercap
green/yellow10gaugewire 
fromexternalgroundlugto 
cart
Code
Code Code
C4
C5
C6
C7
C8
C9
E1286
Ref.
Ref. Ref.
239n/a
243n/agreen/yellow10gaugewire
226n/a
272
272
251n/agreen/yellow10gaugewire
Length
No.
Length Length
No. No.
in.
(mm)
in. in.
(mm) (mm)
16(407)red14gaugewirefrom
12(305)red14gaugewirefrom
4(102)3/8ODtube,bulkheadto
Description
Description Description
green/yellow25ft(7.6m) 
groundwirewithclamp, 
fromexternalgroundlugto 
trueearthground
fromexternalgroundlugto 
groundprobe
redwirefrombleedresistor 
topump
pumptopailcoverwith 
clamp
pump(209)togroundon 
cylinderbracket
frommeter(+)tointernal 
boxgroundlug
manifold
3A2496H85
Page 86

Parts
Packing
Packing Packing
Part
No.
Part Part
No. No.
Includesitems2a-2k
Rod
Rod Rod
24N655
24N655 24N655
Assembly
Assembly Assembly
Packing
Packing Packing
Rod
Assembly
Rod Rod
Assembly Assembly
Part
No.
Ref.
Part Part
Ref. Ref. 
No.
No. No.
2a‡111316
2b‡116905
2c‡178409
2d‡178763
24N703
2e
Description
No. No.
Description Description
O-RING
SEAL
PACKING,uid
PACKING,needle
ROD,packing(includes 
items2jand2k)
197641NUT,packing1
2f
‡ThesepartsareincludedinFluidSealRepairKit 
24N790(purchaseseparately).
◆ThesepartsareincludedinTriggerAdjustmentNut
Kit24N700(purchaseseparately).
Part
No.
Qty
Qty Qty
1
1
1
1
1
Ref.
Part Part
Ref. Ref. 
No.
No. No.
2g185495
2h‡186069
———
2j◆
———
2k◆
Description
No. No.
Description Description
HOUSING,packing
SPACER,packing
NUT,triggeradjustment(part 
ofitem2e)
NUT,triggeradjustment(part 
ofitem2e)
Qty
Qty Qty
1
1
1
1
Partslabeled———arenotavailableseparately.
863A2496H
Page 87

Parts
Alternator
Alternator Alternator
Part
No.
Part Part
No. No.
Assembly
Assembly Assembly
24N664
24N664 24N664
Alternator
Alternator Alternator
Assembly
Assembly Assembly
Ref.
Ref. Ref. 
No.
No. No.
15a24N705
15b♦24N706
15c24Y264
15d♦24N707
Part
Part Part 
No.
No. No.
Description
Description Description
COIL,alternator
BEARINGKIT(includestwo 
bearings,item15dhousing, 
item15efan,item15fcap, 
andoneitem15hclip)
SHAFTKIT(includesshaft 
andmagnet)
HOUSING;includesitem15f
*ThesepartsareincludedinAirSealRepairKit 
24N789(purchaseseparately).
♦ThesepartsareincludedinBearingKit24N706 
(purchaseseparately).
Qty
Qty Qty
1
1
1
1
Ref.
Ref. Ref.
No.
No. No.
15e♦
15f♦
15g*
15h♦24N709
28♦*
Part
Part Part 
No.
No. No.
———
———
110073
25N921
Description
Description Description
FAN;partofitem15b
CAP,housing;partofitem 
15d
O-RING
CLIP;packageof5(oneclip 
includedwithitem15b)
GASKET,barrel(notshown)
Qty
Qty Qty
1
1
1
1
1
Partslabeled———arenotavailableseparately.
3A2496H87
Page 88

Parts
ES
On
Off
and
ES ES
On On
- --Off Off
Part
No.
Part Part 
Valve
Valve Valve 
Part
Part Part 
Fluid
Fluid Fluid
Part
Part Part
24N630
No. No.
24N630 24N630
No.
26A160
No. No.
26A160 26A160
Adjustment
Adjustment Adjustment
No.
24N632
No. No.
24N632 24N632
Fluid
and and
Fluid Fluid
ES
On-Off
ES ES
On-Off On-Off
ES
On-Off
ES ES
On-Off On-Off
Valve
Valve Valve
ES
On-Off
ES ES
On-Off On-Off
Adjustment
Adjustment Adjustment
and
Fluid
and and
with
with with
and
and and
Adjustment
Fluid Fluid
Adjustment Adjustment
Air
Restrictor
Air Air
Restrictor Restrictor
Fixed
Fluid
Fixed Fixed
Fluid Fluid
Valve
Valve Valve
Part
No.
Ref.
Ref. Ref. 
No.
No. No.
and
and and
Valve
Valve Valve
26a
26b*
26c
26f
26g
26h24N631PLATE,retaining1
26j
26m*
26p24N740
Part Part
———
———
15D371
———
24N649
24N650
———
24N648
25E767
113746
Description
No. No.
Description Description
HOUSING,valve;blackfor 
standardmodel24N630,blue 
forrestrictedmodel26A160
HOUSING,valve;model 
24N632
O-RING
PISTON,valve
LEVER,ESon-off;includes 
26g;models24N630and 
36A160
LEVER,ESon-off;includes 
26g;model24N632
SCREW,set,sockethead
KNOB,adjustment,uid; 
includes26g;models24N630 
and36A160
KNOB,adjustment,uid;blue; 
includes26g;models24N630 
and36A160
O-RING
SCREW,captive;packof2
Qty
Qty Qty
1
1
2
1
1
1
2
1
1
1
1
*ThesepartsareincludedinAirSealRepairKit 
24N789(purchaseseparately).
Partslabeled———arenotavailableseparately.
883A2496H
Page 89

Fan
Air
Fan Fan
Part
Part Part 
(shown)
(shown) (shown)
Ref.
Ref. Ref. 
No.
No. No.
30a
30b
30c*
30d24N646
*ThesepartsareincludedinAirSealRepairKit 
24N789(purchaseseparately).
Partslabeled———arenotavailableseparately.
Adjustment
Air Air
Adjustment Adjustment
No.
24N634
No. No.
24N634 24N634
Part
Part Part
———
———
111504
Fan
Fan Fan
No.
Description
No. No.
Description Description
NUT,valve1
STEM,valve
O-RING
RING,retaining;packageof6
Valve
Valve Valve
Air
Adjustment
Air Air
Adjustment Adjustment
Assembly
Assembly Assembly
Valve
Valve Valve
Parts
Atomizing
Atomizing Atomizing 
Assembly
Assembly
Assembly Assembly
Qty
Qty Qty
1
1
1
Assembly Assembly
Part
No.
Part Part
No. No.
Assembly
Assembly Assembly
Part
Ref.
Ref. Ref. 
No. No.
29a
29b
29c*
29d118907
29e
29f
29g
Part Part
No.
———
———
———
111516
———
———
———
Air
Restrictor
Air Air
Restrictor Restrictor
24T304
24T304 24T304
(shown)
(shown) (shown)
Atomizing
Atomizing Atomizing
No.
Description
No. No.
Description Description
HOUSING,valve
BODY,valve
BODY,valve;roundsprayonly
O-RING
RING,retaining
STEM,valve
KNOB,shaft;roundsprayonly
SETSCREW,knob;round 
sprayonly
Valve
Valve Valve
Air
Restrictor
Air Air
Restrictor Restrictor
Valve
Valve Valve
Qty
Qty Qty
1
1
1
1
1
1
1
1
*ThesepartsareincludedinAirSealRepairKit 
24N789(purchaseseparately).
Partslabeled———arenotavailableseparately.
3A2496H89
Page 90

Parts
Air
Cap
Air Air
Cap Cap
Part
No.
Part Part
No. No.
Ref.
Ref. Ref. 
No.
No. No.
5a
5b24N734
5c
5d24N726
10a183459
24N727 24N727
Part
Part Part
24N643
———
Assembly
Assembly Assembly
24N727
Air
Cap
Air Air
No.
Description
No. No.
Description Description
ELECTRODE;packageof5
O-RING;ptfe;packageof5 
(alsoavailableinpackageof 
10;order24E459)
AIRCAP
GUARD,tip,orange
GASKET,tip(notshown)
Assembly
Cap Cap
Assembly Assembly
Partslabeled———arenotavailableseparately.
Smart
Smart Smart
Part
Part Part
Qty
Qty Qty
1
1
1
1
5
Ref.
Ref. Ref. 
No.
No. No.
31a
31b24P433
31c24N787
31d♦
31e♦
31f
Module
Module Module
No.
24N756
No. No.
24N756 24N756
Part
No.
Part Part
No. No.
———
———
———
112319
Assembly
Assembly Assembly
Smart
Smart Smart
Description
Description Description
CARTRIDGE
GASKET
SWITCH,ESHI/LO
SCREW
SCREW,pivot
O-RING
Module
Module Module
Assembly
Assembly Assembly
Qty
Qty Qty
1
1
1
3
1
1
Partslabeled———arenotavailableseparately.
♦ThesepartsareincludedinSmartModuleScrew 
Kit24N757(purchaseseparately).
903A2496H
Page 91

Parts
Round
Round Round
Part
Part Part
NOTE:
NOTE: NOTE:
Spray
Spray Spray
No.
24N318
No. No.
24N318 24N318
Assembly
Assembly Assembly
large
pattern
large large
pattern pattern
Itemsmarkedwitha★areshownfor
referenceandarenotincludedinthekit.
Part
No.
Ref.
Ref. Ref. 
No.
No. No. 
424N729
4a24N645
4b111507
5
2924N733
3024N732
4924N730
Part Part
24N731
Description
No. No.
Description Description
NOZZLE,roundspray;includes4aand4b.See
FluidNozzleSelectionChart, 
page93.
O-RING,conductive
O-RING;uoroelastomer
AIRCAP,roundspray.See
AirCapSelectionGuide,page
96.
ATOMIZINGAIR 
RESTRICTORVALVE, 
roundspray
FANAIRADJUSTMENT 
VALVE,roundspray
DIFFUSER,roundspray
Qty
Qty Qty
1
1
1
1
1
1
1
3A2496H91
Page 92

Parts
Part
No.
Part Part
Part
Part Part
NOTE:
NOTE: NOTE:
25N836
No. No.
25N836 25N836
No.
25N837
No. No.
25N837 25N837
Itemsmarkedwitha★areshownfor
small
pattern
small small
pattern pattern
medium
medium medium
pattern
pattern pattern
referenceandarenotincludedinthekit.
Part
No.
Ref.
Ref. Ref. 
No.
No. No. 
3
3c
425N835
4a24N645
4b111507
4c117610
4d111516
5
6
Part Part
25N838
25N839
25N938
25N939
113137
113746 
———
———
25N840
25N841 
———
Description
No. No.
Description Description
AIRCAP,inner,smallpattern; 
includes3a–3c
AIRCAP,inner,medium 
pattern;includes3a–3c
DEFLECTOR,smallpattern
DEFLECTOR,mediumpattern
O-RING,smallpattern
O-RING,mediumpattern
DIFFUSER,smallpattern
DIFFUSER,mediumpattern
NOZZLE,roundspray; 
includes4a–4d
O-RING,conductive
O-RING;uoroelastomer
O-RING
CONDUCTIVECONTACT 
RING
AIRCAP,smallpattern
AIRCAP,mediumpattern
RETAININGRING
Qty
Qty Qty
1
1
1 3a
1
1 3b
1
1
1
1
1
1
1
1
1
1
1
923A2496H
Page 93

FluidNozzles
Fluid
Fluid Fluid
Fluid
Fluid Fluid
Toreducetheriskofaninjury,followthePressureReliefProcedure,page39,beforeremovingorinstalling 
auidnozzleand/oraircap.
Fluid
Fluid Fluid 
Part
Part Part
24N619
24N613
25N895
25N896
24N616
25N897
24N618
Nozzles
Nozzles Nozzles
Nozzle
Nozzle Nozzle
Nozzle
Nozzle Nozzle
No.
No. No.
Selection
Selection Selection
Orice
Orice Orice 
mm
mm mm
0.55(.022)
0.75(.029)
1.0(.042)Green
1.2(.047)Gray
1.5(.055)
1.8(.070)
2.0(.079)
Size
Size Size
(in.)
(in.) (in.)
Chart
Chart Chart
Color
Color Color
Black
Black
Black
Brown
Black
Description
Description Description
Standard
Standard Standard 
forstandardcoatings
nozzles
nozzles nozzles
(STD)
(STD) (STD)
25N831
25N832
25N833
25N834
24N620
24N621
24N622
24N623
24N624
24N625
1.0(.042)Green
1.2(.047)Gray
1.5(.055)
1.8(.070)
0.75(.029)
1.0(.042)
1.2(.047)
1.5(.055)
1.8(.070)
2.0(.079)
Precision
Precision Precision
Black
Brown
Blue
withhardenedSSTseatanddamageresistantSSTtip;for 
standardcoatings,abrasives,andmetallics
High
High High 
withhardenedceramicseat,forabrasivesandmetallics
high
wear
high high
wear
nozzles
wear wear
nozzles nozzles
nozzles
wear wear
nozzles nozzles
(HW)
(HW) (HW)
(PHW)
(PHW) (PHW)
3A2496H93
Page 94

FluidNozzles
5
0.5
1.0
1.5
2.0
2.5
3.0
0 1 2
60 120 180 240 300
3 4 5 6 7 8 9 10
10
15
20
25
30
35
40
45
50
Fluid
Fluid Fluid
Nozzle
Nozzle Nozzle
Performance
Performance Performance
Charts
Charts Charts
Usethefollowingproceduretoselecttheproperuidnozzleforyourapplication.
1.Foreachuidnozzlechart,ndthepointonthe 
graphcorrespondingtoyourdesiredowrate 
andviscosity.Markthepointoneachgraphwith 
apencil.
2.Thethickverticallineineachgraphrepresents 
thetargetowrateforthatnozzlesize.Find 
thegraphthathasthemarkedpointclosestto 
thethickverticalline.Thisistherecommended 
nozzlesizeforyourapplication.Signicantly 
exceedingthetargetowratemayresultin 
lowersprayperformanceduetoexcessiveuid 
velocity.
Key
Key Key
NOTE:
NOTE: NOTE:
Fluid
to totoFluid Fluid
Nozzle
Nozzle Nozzle
Performance
Performance Performance
Charts
Charts Charts
Fluidpressuresaremeasuredatthesprayguninlet.
260CentipoiseFluid
160CentipoiseFluid
70CentipoiseFluid
20CentipoiseFluid
3.Fromthemarkedpoint,moveacrosstothe 
verticalscaletondtherequireduidpressure. 
Iftherequiredpressureistoohigh,usethenext 
largestnozzlesize.Iftheuidpressureistoolow 
(<0.35bar,3.5kPa,5psi),usethenextsmallest 
nozzlesize.
Table
12
Table Table
FLUID
FLUID FLUID
PRES-
PRES- PRESSURE:
SURE: SURE:
bar,
psi
943A2496H
Orice
12 12
. ..Orice Orice
Size:
0.55
mm
Size: Size:
0.55 0.55
FLUID
FLUID FLUID
oz/min,cc/min
(0.022
mm mm
(0.022 (0.022
FLOW:
FLOW: FLOW:
in.)
in.) in.)
Table
13
Table Table
FLUID
FLUID FLUID
PRES-
PRES- PRESSURE:
SURE: SURE:
bar,
psi
Orice
13 13
. ..Orice Orice
Size:
0.75
mm
Size: Size:
0.75 0.75
FLUID
FLUID FLUID
oz/min,cc/min
(0.030
mm mm
(0.030 (0.030
FLOW:
FLOW: FLOW:
in.)
in.) in.)
Page 95

FluidNozzles
Table
14
Table Table
FLUID
FLUID FLUID
PRES-
PRES- PRESSURE:
SURE: SURE:
bar,
psi
Table
Table Table
Orice
14 14
. ..Orice Orice
15
Orice
15 15
. ..Orice Orice
Size:
1.0
mm
Size: Size:
1.0 1.0
FLUID
FLUID FLUID
oz/min,cc/min
Size:
1.2
Size: Size:
1.2 1.2
(0.040
mm mm
(0.040 (0.040
FLOW:
FLOW: FLOW:
mm
(0.047
mm mm
(0.047 (0.047
in.)
in.) in.)
in.)
in.) in.)
Table
17
Table Table
FLUID
FLUID FLUID
PRES-
PRES- PRESSURE:
SURE: SURE:
bar,
psi
Table
Table Table
Orice
17 17
. ..Orice Orice
18
Orice
18 18
. ..Orice Orice
Size:
1.8
mm
Size: Size:
1.8 1.8
FLUID
FLUID FLUID
oz/min,cc/min
Size:
2.0
Size: Size:
2.0 2.0
(0.070
mm mm
(0.070 (0.070
FLOW:
FLOW: FLOW:
mm
(0.080
mm mm
(0.080 (0.080
in.)
in.) in.)
in.)
in.) in.)
FLUID
FLUID FLUID
PRES-
FLUID
FLUID FLUID
PRES-
PRES- PRESSURE:
SURE: SURE:
bar,
psi
FLUID
FLOW:
FLUID FLUID
FLOW: FLOW:
oz/min,cc/min
Table
16
Table Table
FLUID
FLUID FLUID
PRES-
PRES- PRESSURE:
SURE: SURE:
bar,
psi
Orice
16 16
. ..Orice Orice
Size:
1.5
mm
Size: Size:
1.5 1.5
(0.059
mm mm
(0.059 (0.059
in.)
in.) in.)
PRES- PRESSURE:
SURE: SURE:
bar,
psi
FLUID
FLOW:
FLUID FLUID
FLOW: FLOW:
oz/min,cc/min
FLUID
FLOW:
FLUID FLUID
FLOW: FLOW:
oz/min,cc/min
3A2496H95
Page 96

AirCaps
Air
Air Air
Air
Air Air
Thechartsinthissectioncanassistyouinselecting 
anaircap.
•Keepinmindthatmorethanoneaircapcanmeet
•Whenselectinganaircap,considercoating
Caps
Caps Caps
Cap
Cap Cap
Toreducetheriskofaninjury,followthe
PressureReliefProcedure,page39,before
removingorinstallingauidnozzleand/oraircap.
yournishrequirements.
properties,partgeometry,patternshape,pattern 
size,andoperatorpreferences.
Selection
Selection Selection
Guide
Guide Guide
Measurements
Measurements Measurements
Allaircappatternshapesandlengthsinthefollowing 
chartsweremeasuredunderthefollowingconditions, 
unlessotherwisenoted:
NOTE:
NOTE: NOTE: 
material-dependent.
•Distancetotarget:10in.(254mm)
•Inletairpressure:50psi(34kPa,3.4bar)
•Fanair:adjustedformaximumlength
•Fluidowrate:10oz/min(300cc/min)
Patternshapeandlengthare
963A2496H
Page 97

AirCaps
Pattern
Pattern Pattern
NOTE:Patternshapesareinuencedbythematerialviscosity,owrate,andairpressuresettings.Thegun 
maynotmaintaintheintendeddesignshapeunderallconditions.
•Round Round
•Fan Fan
Shape
Shape Shape
Round
Fan
–Fan Fan
patterns
patterns patterns
patterns
patterns patterns
Fan
patterns
patterns patterns
optionforsmallerpartsorcut-inpainting.
haveaswirling,slow,roundconepatternforexcellentnishandtransferefciency.
havetwostyles:roundendsandtaperedends.
with
round
with with
round round
ends
ends ends
areversatile.Theycanbeusedinanyapplicationandareoftenthebest
Fan
patterns
–Fan Fan
patterns patterns
passes.
with
tapered
with with
tapered tapered
ends
ends ends
arebestforachievingevencoatingthicknesswithoverlappingpaint
3A2496H97
Page 98

AirCaps
General
General General
Part
Part Part
24N477Black
24W479
24N438BlackAlternate
24N376Black
24N276Blue
24N277Red
24N278
24N274Black
General
General General
Part
Part Part
24N477Black
24W479
24N438BlackAlternateRound
24N376Black
24N276Blue
24N277Red
24N278
24N274Black
Fan
Pattern
Fan Fan
Pattern Pattern
No.
Color
No. No.
Color Color
Green
Green
Fan
Pattern
Fan Fan
Pattern Pattern
No.
Color
No. No.
Color Color
Green
Green
Air
Caps:
Air Air
Caps: Caps:
Description
Description Description
StandardMostversatileaircap.Recommendedformostmaterialsandapplications.Class
LongPattern
ShortPatternShorterpattern,optimizedforpaintingwithoverlappingpasses.
Air
Caps:
Air Air
Caps: Caps:
Description
Description Description
Standard
LongPatternTapered
ShortPattern
Descriptions
Descriptions Descriptions
Guidelines
Guidelines Guidelines
Anish.Oftenusedinwaterborneapplications.
Similartothestandardaircapwithanalternatearrangementofatomizingair.
Longestspraypattern,optimizedforpaintinglargepartswithoverlappingpaint 
passes.Oftenusedinwaterborneapplications.
Specications
Specications Specications
Pattern
Pattern Pattern 
Shape
Shape Shape
Round 
end
end
end
Tapered 
end
for
Use
for for
Use Use
Nominal
Nominal Nominal 
Pattern
Pattern Pattern 
Length
Length Length 
in.
(mm)
in. in.
(mm) (mm)
15-17 
(381-432)
15-17 
(381-432)
17-19 
(432-483)
12-14 
(305-356)
Recommended
Recommended Recommended 
Fluid
Viscosity*
Fluid Fluid
Viscosity* Viscosity*
Lighttomedium
Lighttomedium
Lighttomedium
Lighttomedium
Recommended
Recommended Recommended
Production
Production Production
Rates**
Rates** Rates**
Standard
Standard
Standard
StandardGood
Atom-
Atom- Atomization
ization ization
Best
Best
BetterBetter
Clean-
Clean- Cleanliness
liness liness
Good
Good
Best
*FluidViscosity,incentipoise(cp)at70°F(21°C). 
Centipoise=centistokesxuidspecicgravity.
Lighttomedium20–70cp
Mediumtoheavy70–360cpLow
Highsolids360+cpHigh
**RecommendedProductionRates
Standard300cc/minto500cc/min(10oz/min
VeryHigh
to17oz/min)
100cc/minto300cc/min(3oz/min 
to10oz/min)
500cc/minto600cc/min(17oz/min 
to20oz/min)
600cc/minto750cc/min(20oz/min 
to25oz/min)
983A2496H
Page 99

AirCaps
Specialty
Specialty Specialty
Part
Part Part
25E670Black
24N275BlackAerospace
24N279Black
24N439Black
25E671BlackHVLPForapplicationswhereHVLPisrequired.
Specialty
Specialty Specialty
Part
Part Part
25E670Black
24N275BlackAerospaceTapered
24N279Black
24N439Black
25E671BlackHVLPRound
Fan
Pattern
Fan Fan
Pattern Pattern
No.
Color
No. No.
Color Color
Fan
Pattern
Fan Fan
Pattern Pattern
No.
Color
No. No.
Color Color
Air
Caps:
Air Air
Caps: Caps:
Description
Description Description
SoftSprayForpaintingsmall,lightweightpartswithaslow-movingspraypattern.Optimized
SolidsOptimizedformediumandheavyviscosityandhighsolidcoatingsatstandard
SolidsHigh 
Flow
Air
Caps:
Air Air
Caps: Caps:
Description
Description Description
SoftSpray
Solids
SolidsHigh 
Flow
Descriptions
Descriptions Descriptions
Guidelines
Guidelines Guidelines
forlowproductionrates.
Optimizedforaerospacecoatings.
•ClassAnish
•Light,medium,andheavyviscosity,andhighsolidcoatings
•Veryhighproductionrates
productionrates.
Requiredforusewith2.0mmnozzles.Optimizedformediumandheavyviscosity 
andhighsolidcoatingsathighproductionrates.
Specications
Specications Specications
Pattern
Pattern Pattern 
Shape
Shape Shape
Round 
end
end
Round 
end
Tapered 
end
end
for
Use
for for
Use Use
Nominal
Nominal Nominal 
Pattern
Pattern Pattern 
Length
Length Length 
in.
(mm)
in. in.
(mm) (mm)
10-12 
(254-
305)***
14-16 
(356-406)
14-16 
(356-406)
11-13 
(279-330)
11-13 
(279-330)
Recommended
Recommended Recommended 
Viscosity*
Viscosity* Viscosity*
LighttomediumLowBetter
Light,medium,and 
heavyviscosity,and 
highsolids
Mediumtoheavy 
viscosityandhigh 
solids
Mediumtoheavy 
viscosityandhigh 
solids
Lighttomedium
Fluid
Fluid Fluid
Recommended
Recommended Recommended 
Production
Production Production 
Rates**
Rates** Rates**
VeryHigh
Standard
HighBestBetter
StandardGoodGood
Atom-
Atom- Atomiza-
iza- ization
tion tion
Good
Better
Clean-
Clean- Cleanliness
liness liness
Good
Best
Good
*FluidViscosity,incentipoise(cp)at70°F(21°C). 
Centipoise=centistokesxuidspecicgravity.
Lighttomedium20–70cp
Mediumtoheavy70–360cpLow
Highsolids360+cpHigh
***Thesoftsprayaircapwasmeasuredwiththeuidowrateadjustedto3.5oz/min(100cc/min).
**RecommendedProductionRates
Standard300cc/minto500cc/min(10oz/min
VeryHigh
to17oz/min)
100cc/minto300cc/min(3oz/min 
to10oz/min)
500cc/minto600cc/min(17oz/min 
to20oz/min)
600cc/minto750cc/min(20oz/min 
to25oz/min)
3A2496H99
Page 100

AirCaps
Round
Round Round
Round
Round Round
Pattern
Pattern Pattern
Part
No.
Part Part
No. No.
24N318BlackLarge
25N837BlackMedium
25N836Black
Pattern
Pattern Pattern
Part
No.
Part Part
No. No.
24N318BlackLargePatternRound
25N837BlackMedium
25N836Black
*FluidViscosity,incentipoise(cp)at70°F(21°C). 
Centipoise=centistokesxuidspecicgravity.
Lighttomedium20–70cp
Mediumtoheavy70–360cpLow
Highsolids360+cpHigh
Air
Caps:
Air Air
Color
Color Color
Air
Caps:
Air Air
Caps: Caps:
Color
Color Color
Descriptions
Caps: Caps:
Descriptions Descriptions
Description
Description Description
Pattern
Pattern
Small 
Pattern
Specications
Specications Specications
Description
Description Description
Pattern
SmallPattern
Guidelines
Guidelines Guidelines
Conventionalroundpatterndesignforlargerpatternsupto8in(20cm).Swirling, 
slow,roundconepatternforexcellentnishandtransferefciency.
Dualinnerandouteratomizingairdesignforimprovedatomizationatlowairows. 
Formediumpatternsupto6inches(15cm).Swirling,slow,roundconepatternfor 
excellentnishandtransferefciency.
Dualinnerandouteratomizingairdesignforimprovedatomizationatlowairows. 
Forsmallpatternsupto4inches(10cm).Swirling,slow,roundconepatternfor 
excellentnishandtransferefciency.
Pattern
Pattern Pattern 
Shape
Shape Shape
end
Round 
end
Round 
end
for
Use
for for
Use Use
Nominal
Nominal Nominal 
Pattern
Pattern Pattern 
Diameter
Diameter Diameter 
in.
(mm)
in. in.
(mm) (mm)
8(203)
6(152)
4(102)
Recommended
Recommended Recommended 
Viscosity*
Viscosity* Viscosity*
LighttomediumLow
LighttomediumLowBetter
LighttomediumLowBetter
**RecommendedProductionRates
Standard300cc/minto500cc/min(10oz/min
VeryHigh
Fluid
Fluid Fluid
Recommended
Recommended Recommended 
Production
Production Production 
Rates**
Rates** Rates**
to17oz/min)
100cc/minto300cc/min(3oz/min 
to10oz/min)
500cc/minto600cc/min(17oz/min 
to20oz/min)
600cc/minto750cc/min(20oz/min 
to25oz/min)
Atom-
Atom- Atomiza-
iza- ization
tion tion
GoodGood
Clean-
Clean- Cleanliness
liness liness
Good
Good
1003A2496H