Graco Inc 244592, 309298J, TI1713A Adjust the Electrostatics, Dynamic Turbine Air Pressures

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Adjust the Electrostatics

1. Shut off the fluid supply.

1.Trigger the gun, then turn on the turbine air (TA). See FIG. 12..

2.Refer to Table 2 to set the proper pressure at the turbine air hose inlet when air is flowing. Do not exceed these pressures as there is no added bene- fit and turbine life could be reduced.

Operation

Table 2: Dynamic Turbine Air Pressures

Turbine Air

Air pressure at turbine air hose

Hose Length

inlet for full voltage

ft (m)

psi (bar, MPa)

 

 

 

15

(4.6)

54 (3.8, 0.38)

 

 

 

25

(7.6)

55 (3.85, 0.38)

 

 

36 (11)

56 (3.9, 0.39)

 

 

50 (15.3)

57 (4.0, 0.40)

 

 

75 (22.9)

59 (4.1, 0.41)

 

 

 

100

(30.5)

61 (4.3, 0.43)

 

 

 

3.Check the voltage output of the gun using a high voltage probe and meter or by reading the ES (kV) Display Module.

The gun’s normal high voltage reading is 60-70 kV. If a ball end high voltage measurement probe is used, the gun voltage will rise to about 85 kV. This will happen with all resistive electrostatic guns.

See Electrical Troubleshooting on page 34 to correct voltage problems.

309298J

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Contents Important Safety Instructions Instructions/Parts ListSee page 2 for Table of Contents II 2 G EEx 0.24MJTable of Contents Fire, Explosion, and Electric Shock Hazard SymbolsToxic Fluid Hazard Skin Injection HazardEquipment Misuse Hazard Introduction Gun Features and OptionsHow the Electrostatic AA Spray Gun Works Operating the Spray FunctionChanging the kV Setting KV1 and KV2 Switch SettingsKV1 Air KV2 Air Output Voltage kV Manifold Markings TI1714A Manifold Back ViewInstallation Install the SystemVentilate the Spray Booth Non-Hazardous Area Non-Hazardous Area Manifold Back ViewInstall the Fluid Line Accessories Install the Air Line AccessoriesComponent Rupture Hazard Skin Injection HazardMounting Bracket Install the Gun and Mounting BracketManifold Connections Connect the Air and Fluid LinesElectric Shock Hazard Supply HoseFiber Optic Fitting Optional Fiber Optic Cable ConnectionGrounding Check Gun Grounding Check Electrical GroundingInstall the Fabric Cover Check Fluid ResistivityCheck Fluid Viscosity Operating Checklist Pressure Relief ProcedureRelief Procedure at left OperationSelect a Spray Tip Install the Spray TipPressurized Equipment Hazard Set the Atomization Fluid PressurePsi 21 MPa, 210 bar CorrectAdjust the Electrostatics Dynamic Turbine Air PressuresTurbine Air Air pressure at turbine air hose Hose Length Triggering the Fluid Alone SprayingShutdown Fire and Explosion HazardDaily Care and Cleaning MaintenanceDo not point the gun up while cleaning it Do not immerse the gun in fluidFire, Explosion, and Electric Shock Hazard Remove Spray Tip Before Flushing Flush the Spray GunClean the Spray Gun ProcedureEquipment Needed Clean the Inline Fluid Filter Check for Fluid Leakage Skin Injection Hazard Check for Fluid LeakageTest Gun Resistance Electrical TestsTest Power Supply Resistance Test Power Supply ResistanceTest Barrel Resistance Test Barrel ResistanceSpray Pattern Troubleshooting TroubleshootingGun Operation Troubleshooting See Test Gun Resistance on Electrical TroubleshootingSee Check Electrical Grounding on 16 and Test Gun ResistanceRepair Prepare the Gun for ServiceRemove the Gun from the Manifold Install the Gun on the ManifoldTip Guard, Air Cap, and Spray Tip Replace- ment Tip Guard, Air Cap, Spray Tip, or Seat Housing ReplacementRepair Electrode Replacement Electrode ReplacementFluid Filter Removal Fluid Tube ReplacementNot overtighten Fluid Needle ReplacementPiston O-Rings Piston RepairActuator Arm Adjustment Adjust the Actuator ArmBarrel Removal Barrel RemovalBarrel Installation Barrel InstallationPower Supply Removal and Replacement Power Supply Turbine Alternator Removal and ReplacementParts Part No PRO Auto Xs AA Electrostatic Gun, Series aRef. No Alternator Detail Description Qty Plug Fan Width at Orifice Size Spray Tip Selection ChartGun Accessories AccessoriesAir Line Accessories Fluid Line AccessoriesPaint Probe Safety Warning SignsES Display Module Fiber Optic Y CablesAccessories 309298J Category Data Technical DataGraco Standard Warranty Graco InformationToll Free

244592, PRO Auto Xs AA, TI1713A, 309298J specifications

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