Graco Inc 247937, 247936, 312900C important safety instructions Table of Contents

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Table of Contents

Warnings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

Warning Symbol . . . . . . . . . . . . . . . . . . . . . . . . . 3 Notice . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

How the Electrostatic Air Spray Gun Works . . . . 5

Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Install the System . . . . . . . . . . . . . . . . . . . . . . . . 9 Warning Sign . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 Ventilate the Spray Booth . . . . . . . . . . . . . . . . . . 9 Connect the Air Line . . . . . . . . . . . . . . . . . . . . . 11 Connect the Charging Probe . . . . . . . . . . . . . . 11 Connect the Exhaust Tube . . . . . . . . . . . . . . . . 12 Connect the Fluid Line . . . . . . . . . . . . . . . . . . . 12 Filter the Fluid . . . . . . . . . . . . . . . . . . . . . . . . . . 12 Select a Fluid Nozzle and Air Cap . . . . . . . . . . 13 Grounding . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 Check Electrical Grounding . . . . . . . . . . . . . . . . 15 Check Fluid Resistivity . . . . . . . . . . . . . . . . . . . 15 Check Fluid Viscosity . . . . . . . . . . . . . . . . . . . . 16 Prepare to Paint . . . . . . . . . . . . . . . . . . . . . . . . 16

Pressure Relief . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

Shutdown . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

Electrical Troubleshooting . . . . . . . . . . . . . . . . . . 22

Electrical Tests . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

Test Total Gun Resistance . . . . . . . . . . . . . . . . 23

Test Gun Resistance . . . . . . . . . . . . . . . . . . . . . 23

Test Charging Probe Resistance . . . . . . . . . . . . 23

Test Power Supply Resistance . . . . . . . . . . . . . 24

Test Barrel Resistance . . . . . . . . . . . . . . . . . . . 24

Spray Pattern Troubleshooting . . . . . . . . . . . . . . . 25

Gun Operation Troubleshooting . . . . . . . . . . . . . . 26

Gun Repair . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

Prepare the Gun for Repair . . . . . . . . . . . . . . . . 27 Replace Air Cap/Nozzle . . . . . . . . . . . . . . . . . . 28 Replace Fluid Needle . . . . . . . . . . . . . . . . . . . . 28 Remove Fluid Packing . . . . . . . . . . . . . . . . . . . . 29 Repair Packing Rod . . . . . . . . . . . . . . . . . . . . . . 30 Remove Barrel . . . . . . . . . . . . . . . . . . . . . . . . . . 31 Install Barrel . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 Remove and Replace Power Supply . . . . . . . . . 32 Remove and Replace Turbine Alternator . . . . . . 33 Repair Fan Air Adjustment Valve . . . . . . . . . . . . 33 Repair Fluid Adjustment Valve . . . . . . . . . . . . . 34 Repair Air Valve . . . . . . . . . . . . . . . . . . . . . . . . . 34 Remove and Replace Atomizing

Air Restrictor Valve . . . . . . . . . . . . . . . . . . . 35 Repair ES ON/OFF Valve . . . . . . . . . . . . . . . . . 35

Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36 Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41

Air Line Accessories . . . . . . . . . . . . . . . . . . . . . 41

Fluid Line Accessories . . . . . . . . . . . . . . . . . . . 41

Gun Accessories . . . . . . . . . . . . . . . . . . . . . . . . 42

Miscellaneous Accessories . . . . . . . . . . . . . . . . 42

Technical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43

Graco Warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . 44

Graco Information . . . . . . . . . . . . . . . . . . . . . . . . . 44

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312900C

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Contents PRO Xs Waterborne Air Spray Gun II 2 G EEx 0.24 mJTable of Contents FIRE, EXPLOSION, and Electric Shock Hazard Equipment Misuse Hazard Smart Model 247937 OverviewHow the Electrostatic Air Spray Gun Works Standard Model 247936Air swivel inlet. Left-hand thread Fan air adjustment valve. Adjusts fan size ES indicator 247936 only. Green when ES is on Ventilate the Spray Booth InstallationInstall the System Typical Installation Key Grounded Air Supply Hose Connect the Air LineConnect the Charging Probe Filter the Fluid Connect the Exhaust TubeConnect the Fluid Line Select a Fluid Nozzle and Air Cap Orifice SizeGrounding Fire, Explosion, and Electric Shock HazardCheck Electrical Grounding Check Fluid ResistivityCheck Fluid Viscosity Prepare to PaintTurn ES ON/OFF switch on Flush Pressurized Equipment Hazard Pressure ReliefShutdown Maintenance Clean Gun DailyDaily System Care See Test Total Gun Resistance on Electrical TroubleshootingElectric Shock Hazard See Check Electrical Grounding onTest Total Gun Resistance Electrical TestsTest Gun Resistance Test Charging Probe ResistanceTest Power Supply Resistance Test Barrel ResistanceSpray Pattern Troubleshooting Gun Operation Troubleshooting Gun Repair Prepare the Gun for RepairReplace Air Cap/Nozzle Replace Fluid NeedleRemove Fluid Packing Remove Fluid PackingRepair Packing Rod Packing RodInstall Barrel Remove BarrelRemove and Replace Power Supply Power SupplyRepair Fan Air Adjustment Valve Remove and Replace Turbine AlternatorRepair Fluid Adjustment Valve Repair Air ValveRemove and Replace Atomizing Air Restrictor Valve Repair ES ON/OFF ValveRef. No Multi-tool PartsPart No 60 kV Electrostatic Gun, Series a Standard model Part No 60 kV Electrostatic Gun, Series a Smart model Ref. No ES ON/OFF Valve Ref. No Alternator Ref. No Fan Adjustment ValveRef. No Packing Rod Smart Model controlsDescription Qty Description Qty Fluid Line Accessories AccessoriesAir Line Accessories Gun Accessories Miscellaneous AccessoriesTechnical Data Category DataGraco Warranty Graco Information