Graco Inc 244399, 309291P important safety instructions Repair, Pressure Relief Procedure

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Repair

Pressure Relief Procedure

WARNING

Pressurized Equipment Hazard

The system pressure must be manually

relieved to prevent the system from starting or spraying accidentally. To reduce the risk of an injury from electric shock, accidental spray from

the gun, splashing fluid, or moving parts, follow the Pressure Relief Procedure whenever you:

are instructed to relieve the pressure

stop spraying

check or service any of the system equipment

or install or clean the fluid nozzle.

1.Turn the ES ON/OFF valve OFF.

I ES O

ti1273a

2.Turn off the air bleed valves to the fluid source and to the gun.

ti1289a

Repair

3.Trigger the gun into a grounded metal waste con- tainer to relieve the fluid pressure.

ti1276a

4.Open the pump drain valve, having a waste con- tainer ready to catch the drainage. Leave the pump drain valve open until you are ready to spray again.

ti1290a

5.If the nozzle or hose is completely clogged or pres- sure is not fully relieved, slowly loosen the hose end coupling. Now clear the nozzle or hose.

t

309291P

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Contents II 2 G EEx 0.24 mJ PRO Xs2 Air Spray GunModel Information Table of ContentsToxic Fluid Hazard Fire, Explosion, and Electric Shock HazardPressurized Equipment Hazard Equipment Misuse HazardGun Overview IntroductionHow the Electrostatic Spray Gun Works Flammable or Toxic Vapor Hazard InstallationInstall the System Ventilate the Spray BoothKey Typical InstallationSupply Hose Connect the Air LineConnect the Exhaust Tube Electric Shock HazardOrifice Size Select a Fluid Nozzle and Air CapFilter the Fluid Connect the Fluid LineGrounding Check Gun Grounding Check Electrical GroundingCheck Fluid Viscosity Check Fluid ResistivityOperation Flush the Spray Gun MaintenanceTi1288a Test Gun Resistance Electrical TestsTest Power Supply Resistance Test Power Supply ResistanceElectrode Test Electrode Resistance Problem Cause Solution Troubleshooting Spray Pattern Troubleshooting Gun Operation Troubleshooting 12 and Test Gun Resistance Electrical TroubleshootingSee Test Gun Resistance on See Check Electrical Grounding onRepair Pressure Relief ProcedurePrepare the Gun for Service Air Cap/Nozzle Replacement Air Cap/Nozzle ReplacementElectrode Replacement Electrode ReplacementFluid Packing Removal Fluid Packing RemovalPacking Rod Packing Rod RepairBarrel Removal Barrel InstallationPower Supply Power Supply Removal and ReplacementTurbine Alternator Removal and Replacement Fan Air Adjustment Valve Fan Air Adjustment Valve RepairAir Valve Repair Fluid Adjustment Valve RepairAtomizing Air Valve Atomizing Air Restrictor Valve Removal and ReplacementES ON/OFF Valve ES ON/OFF Valve RepairPart No 20 kV Electrostatic Gun, Series C PartsRef. No Alternator Qty Part No. Description Part No. DescriptionFluid Line Accessories AccessoriesAir Line Accessories Miscellaneous Accessories Gun AccessoriesCategory Data Technical DataGraco Information Graco Standard Warranty