Graco 3A2495CPro User Manual

Instructions - PartsPro Xp™ ElectrostaticAir-AssistedSpray Gun3A2495CENFor use in Class I, Div. I Hazardous Locations using Group D spray materials.Fo

Gun OverviewError DisplayIf the Smart module loses communication withthe power supply, the Error display appears, theHz indicator turns red, and the S

Gun OverviewTable 1 . Key for Figs. 2–9.Item Description PurposeVAVoltage Adjustment SwitchTwo-positionswitch sets smartgun voltage tolow setting (LO)

Gun OverviewItem Description PurposeLD Lo Display Appears on the Low Voltage LockScreen. See Fig. 9.ER Error DisplayAppears if theSmart module losesco

Gun OverviewDiagnostic ModeDiagnostic Mode includes four screens which displaygun data:• Voltage (kiloVolts) Screen• Current (microAmperes) Screen• Al

Gun OverviewAlternator Speed (Hertz) ScreenThe Alternator Speed (Hertz) Screen is the thirdscreen in the Diagnostic Mode. See Fig. 8, and Table1 on pa

InstallationInstallationInstalling and servicing this equipment requiresaccess to parts which may cause electric shockor other serious injury if work

InstallationAir Supply LineTo reduce the risk of electric shock, the air supplyhose must be electrically connected to a true earthground. Use only Gra

InstallationNON-HAZARDOUS AREA HAZARDOUS AREAFigure 10 Typical InstallationTypical Installation KeyItem DescriptionAFAir Filter/Water SeparatorAG* Gun

Gun SetupGun SetupGun Setup ChecklistSee Fig. 11 to locate the electrostatic gun controls.Figure 11 Electrostatic Gun Controls1. Turn OFF (O) the ES O

Gun SetupTo reduce the risk of a skin in-jection injury, always follow thePressure Relief Procedure, page 27,before removing or installing the spray t

ContentsModels... 3Warnings ... 4G

Gun Setup19. Check that the ES indicator (K) [Hz indicator onSmart guns] is lit. See the following table.Table 2 . LED Indicator ColorsIndicatorColorD

Gun SetupGroundingWhen operating the electrostatic gun, anyungrounded objects in the spray area (people,containers, tools, etc.) can become electrical

Gun Setup•The floor of the spray area:must be electricallyconductive and grounded. Do not cover the floorwith cardboard or any non-conductive materialwh

Gun SetupFigure 12 Ground the OperatorFigure 13 Ground the Object being Sprayed3A2495C 23

Gun SetupFigure 14 Ground the GunFigure 15 Ground the Fluid Supply243A2495C

Gun SetupCheck Gun Electrical GroundingMegohmmeter Part No. 241079 (AA-see Fig.16) is not approved for use in a hazardous area.To reduce the risk of s

Gun SetupCheck Fluid ResistivityTo reduce the risk of fire, explosion, or electricshock, check the fluid resistivity in a non-hazardousarea only. Resist

OperationOperationPressure Relief ProcedureThis equipment stays pressurized until pressureis manually relieved. To help prevent seriousinjury from pre

MaintenanceMaintenanceFlushing•Flushbeforechanging fluids, before fluid can dryin the equipment, at the end of the day, beforestoring, andbefore repairi

MaintenanceClean the Gun Daily1. Turn OFF (O) the ES On-Off switch.2. Follow the Pressure Relief Procedure, page 27.3. Remove theair cap/tip guard and

ModelsModelsPart No. kVSmart Display Standard DisplayH60T10 60✔H60M10 60✔H85T10 85✔H85M10 85✔II 2 GEEx 0.24 mJ T6FM12ATEX0068EN 50050Ta 0°C – 50°C3A24

Maintenance7. Clean the air cap/tip guard and spray tip with asoft brush and compatible solvent.8. If necessary, use a toothpick or other soft tool to

MaintenanceDaily System Care1. Follow the instructions underClean the Gun Daily, page 29. Followthe Pressure Relief Procedure, page 27.2. Clean the flu

Electrical TestsElectrical TestsUse the following procedures to test the conditionof the power supply and gun body, and electricalcontinuity between c

Electrical TestsTest Power Supply Resistance1. Remove the power supply (11). See PowerSupply Removal and Replacement, page 45.2. Remove the alternator

Electrical TestsTest Gun Barrel Resistance1. Insert a conductive rod (B) into the gun barrel(which was removed for the power supply test)and against t

TroubleshootingTroubleshootingInstalling and servicing this equipment requiresaccess to parts which may cause an electric shockor other serious injury

TroubleshootingGun OperationTroubleshootingProblemCause SolutionAtomizing airpressure too high.Close atomizing air valve part way,or decrease air pres

TroubleshootingElectrical TroubleshootingProblemCause SolutionES On/Off switch is OFF (O). Turn ON (I).Gun air pressure too low (ESindicator is amber)

TroubleshootingProblemCause SolutionGun is too close to the part beingsprayed.Gun should be 8–12 in. (200–300mm) from the part.Check fluid resistivity.

RepairRepairPrepare the Gun for ServiceInstalling and repairing this equipment requiresaccess to parts that may cause electric shock orother serious i

WarningsWarningsThe followingwarnings are for the setup, use, grounding, maintenance and repair of this equipment. Theexclamation point symbol alerts

RepairAir Cap, SprayTip, and Fluid Seat Housing Replacement1. See Prepare the Gun for Service, page 39.2. Remove the retainer ring (22) and air cap/ti

RepairNOTICEDo not overtighten the fluid seat housing (24).Overtightening may damage the housing andthe gun barrel, resulting in improper fluidshutoff.6

RepairFluid Tube Removal and Replacement1. See Prepare the Gun for Service, page 39.2. Disconnect the bottom fluid tube nut (C).3. Carefully unscrew th

RepairGun Barrel Removal1. See Prepare the Gun for Service, page 39.2. Disconnect the bottom fluid tube nut (N).Carefully separate the tube assembly (T

RepairFluid Needle Replacement1. See Prepare the Gun for Service, page 39.2. Remove the aircap assembly and fluid seathousing. See Air Cap, Spray Tip,

RepairPower Supply Removal and Replacement• Inspect the gun handle power supply cavity for dirtor moisture. Clean with a clean, dry rag.• Do not expos

RepairAlternator Removal and ReplacementNOTE: Replacealternator bearings after 2000 hoursof operation.Order Part No. 24N706 Bearing Kit.Parts included

Repair12. Hold the coil assembly (15a) on a workbenchwith the fan end facing up. Press the fan (15e♦)onto the long end of the shaft (S). The fan blade

RepairFan Air Adjustment Valve Repair1. See Prepare the Gun for Service, page 39.2. Place a wrenchon the flats of the valve assembly(30) and unscrew it

RepairAtomizing Air Adjustment Valve Repair1. See Prepare the Gun for Service, page 39.2. Place a wrenchon the flats of the valve assembly(29) and unsc

WarningsWARNINGSKIN INJECTION HAZARDHigh-pressure fluid from gun, hose leaks, or ruptured components will pierce skin. This maylook like just a cut, bu

RepairES On-Off Valve Repair1. See Prepare the Gun for Service, page 39.2. Loosen the captive screw (26p). Remove thevalve (26) from the handle.3. Lub

RepairAir Valve Repair1. See Prepare the Gun for Service, page 39.2. See Gun BarrelRemoval, page 43.3. Remove the screws (13) and trigger (12).4. Remo

RepairSmart Module ReplacementIf the Error display appears, the Smart Module haslost communication with the power supply. Check forgood connections be

RepairAir Swivel andExhaust Valve Replacement1. See Prepare the Gun for Service, page 39.2. To replace the air exhaust valve:a. Remove the clamp (36)

PartsPartsStandard Air-Assisted Spray Gun AssemblyPart No. H60T10 60 kV Electrostatic Air-Assisted Spray Gun, Series APart No. H85T10 85 kV Electrosta

PartsPart No. H60T10 60 kV Electrostatic Air-Assisted Spray Gun, Series APart No. H85T10 85 kV Electrostatic Air-Assisted Spray Gun, Series ARef.No.Pa

PartsSmart Air-Assisted Spray Gun AssemblyPart No. H60M10 60 kV Electrostatic Air-Assisted Spray Gun, Series APart No. H85M10 85 kV Electrostatic Air-

PartsPart No. H60M10 60 kV Electrostatic Air-Assisted Spray Gun, Series APart No. H85M10 85 kV Electrostatic Air-Assisted Spray Gun, Series ARef.No.Pa

PartsAlternator AssemblyPart No. 24N664 Alternator AssemblyRef.No.PartNo.DescriptionQty15a 24N705COIL, alternator115b♦ 24N706BEARING KIT (includes two

PartsES On-Off Valve AssemblyPart No. 24N632 ES On-Off Valve AssemblyRef.No.Part No. DescriptionQty26a———HOUSING, valve126b*15D371O-RING226c———PISTON,

WarningsWARNINGEQUIPMENT MISUSE HAZARDMisuse can cause death or serious injury.• Do not operate the unit when fatigued or under the influence of drugs

PartsFanAirValveAssemblyPart No. 24N634 Fan Air Valve AssemblyRef.No.Part No. DescriptionQty30a———NUT, valve 130b———STEM, valve130c*111504O-RING130d 2

PartsAir Cap AssemblyPart No. 24N727 Air Cap AssemblyRef.No.Part No. DescriptionQty25a 24N643ELECTRODE; package of 5125b 24N734O-RING; ptfe; package o

Spray Tip Selection ChartSpray Tip Selection ChartAEM Fine Finish Spray TipsRecommended for high finish quality applications at low and medium pressure

Spray Tip Selection ChartAEF Fine Finish Pre-Orifice SprayTipsRecommended for high finish quality applications at low and medium pressures. AEF tips hav

Repair Kits, Related Ma nuals, and AccessoriesRepair Kits, Related Manuals, and AccessoriesGun Part No.Description Manual Description Repair Kits Repa

Repair Kits, Related Manua ls, and AccessoriesHosesGrounded Air Hoses100 psi (0.7 MPa, 7 bar) Maximum Working Pressure0.315 in. (8 mm) ID; 1/4 npsm(f)

DimensionsDimensionsFigure 45Gun Model A, in. (mm) B, in. (mm) C, in. (mm) Weight, oz (g)H60T109.7 (246) 9.1 (231) 2.4 (61) 23.2 (659)H85T1010.7 (272)

Technical DataTechnical DataElectrostatic Air-Assisted Spray GunsU.S.MetricMaximum Working Fluid Pressure3000 psi 21 MPa, 210 barMaximum Working Air P

Graco Pro Xp WarrantyGraco warrants all equipment referenced in this document which is manufacturedbyGracoandbearingitsnametobefree from defects in ma

Gun OverviewGun OverviewHow the Electrostatic AA Spray GunWorksThis is not an air spray gun. To help preventserious injury from pressurized fluid, such

Gun OverviewControls, Indicators, and ComponentsThe electrostatic gun includes the followingcontrols, indicators, and components (see Fig.1). For info

Gun OverviewSmart GunsThe Smart Gun module displays spraying voltage,current, alternator speed, and the voltage setting (lowor high). It also allows t