Graco Inc 222700, 3500WB Operating Checklist, Selecting a Fluid Nozzle and Air Cap, Operation

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Operating Checklist

Operation

Operating Checklist

Check the following list daily, before starting to operate the system, to help ensure safe, efficient operation.

____ 1. All the operators are properly trained to safely

operate an electrostatic, waterborne, air spray system as instructed in this manual and the voltage isolation system manual.

____ 2. All the operators are trained how to properly

relieve system pressure as instructed on page 16.

____ 3. All the operators are trained how to properly

discharge the voltage as instructed on page 16.

____ 4. The operator is not wearing gloves which

insulate the hand from the spray gun. If worn, gloves must be conductive or modified as shown in Fig. 8 so as not to interfere with the operator grounding through the gun.

____ 5. The system is thoroughly grounded and the

operator and all persons entering the spray area are properly grounded. See Ground the System, page 14, and Check the Electrical Grounding , page 15.

____ 6. The condition of the electrical components of

the spray gun has been checked as instructed in Electrical Tests, page 28.

____ 7. All fluid hose connections are tight.

____ 8. The ventilation fans are operating properly.

____ 9. All the debris, including flammable liquids and

rags, is removed from the spray area.

3 in. (76 mm) square cut out and finger of glove cut off

NOTE: If gloves are worn, they must be conductive or modified as shown so they do not interfere with operator grounding through the gun.

Fig. 8

Selecting a Fluid Nozzle and Air Cap

The gun is supplied with a 0.06 inch (1.5 mm) fluid nozzle, part no. 191833, and an air cap, part no. 193033. If your application requires a different nozzle and air cap combination, see instruction manual 307803 or consult your authorized Graco distributor to select the appropriate fluid nozzle and air cap. Install the air cap and fluid nozzle as instructed on page 30.

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Contents 308584 INSTRUCTIONS-PARTS LIST100 psi 0.7 MPa, 7 bar Maximum Working Pressure Part No. 222700, Series CSymbols Table of ContentsWarning Symbol Caution SymbolELECTRIC SHOCK HAZARD Warnings are continued on the next page FIRE AND EXPLOSION HAZARDPRESSURIZED EQUIPMENT HAZARD TOXIC FLUID HAZARD EQUIPMENT MISUSE HAZARDSpraying Waterborne Fluids Electrostatically IntroductionOperating the Electrostatics Refer to Fig. 1, pageB A C D Inner Hose Layer EE is a PTFE tube Graco Waterborne Fluid Hose purchased separatelyD Conductive Hose Layer DD covers the PTFE tube H2O PRO Voltage Block connection shownInstalling the System InstallationVentilate the Spray Booth Warning SignsPRO 3500wb Gun shown with the Graco H2O PRO Batch System Consult your isolation system manual for other configurationsT S N K L M G F NH R B A E D P CInstall the Fluid LIne Accessories Install the Air Line AccessoriesConnect the Air Line Connect the Exhaust TubeContinued on the next page Filter the FluidConnect the Fluid Hose connection shown Connect the Fluid Hose continuedH2O PRO Voltage Block FIRE, EXPLOSION, AND ELECTRIC SHOCK HAZARD Ground the SystemCheck the Electrical Grounding Operation Fluid Voltage Discharge and Grounding ProcedurePressure Relief Procedure Selecting a Fluid Nozzle and Air Cap Operating ChecklistCOMPONENT RUPTURE HAZARD Operating the Spray GunFIRE AND EXPLOSION HAZARD Fine Adjustments of the Spray Gun Atomizing Air Valve AdjustmentShutdown MaintenanceDaily Care and Cleaning Procedure Clean the Air Cap and Fluid NozzleFlush the Spray Gun Equipment neededVoltage Loss Troubleshooting TroubleshootingSpray Gun Waterborne Fluid HoseTests Voltage Loss Troubleshooting continuedProblem Electrical TroubleshootingSolution CauseSpray Pattern Troubleshooting Gun Operation Troubleshooting Poor Electrostatic Wrap TroubleshootingGun Operation Troubleshooting continued Test Gun Resistance Electrical TestsTest Resistor Stud Resistance Test Power Supply ResistancePrepare the Gun for Service ServiceAir Cap/Nozzle/Resistor Stud Replacement Tools Included with the GunInstallation Air Cap/Nozzle/Resistor Stud Replacement continuedElectrode Needle Replacement If installing the complete fluid rod assembly, go to step 11, page Preventative MaintenanceFluid Packing Rod Removal and Repair WhereFluid Packing Rod Removal and Repair continued Fluid Adjustment Assembly Repair Fan Air Adjustment Valve RepairIf installing the complete valve, go to step DETAIL Apply a very light coat of lubricant to the o-rings 41 Fluid Adjustment Assembly Repair continuedAir Trigger Valve Repair Atomizing Air Valve Repair 05363B ES ON-OFF Valve RepairMOVING PARTS HAZARD Barrel Removal  Do not expose the gasket 18a to solvents Power Supply Replacement Apply a very light coat of lubricant to the o-rings 37a 05158B Turbine Alternator ReplacementBarrel Installation Measurements, inches mm Graco Waterborne Fluid Hose RepairPRO 3500sc Gun Conversion PRO 3500SC Gun DisassemblyNOTE Keep all the following parts for reassembly Installing the Fluid Needle Assembly 10. Tighten the nut 78* onto the ferrule housing See Detail A Spray Gun PartsPart No. 222700, Series C Model PRO 3500wb Spray Gun EQUIPMENT MISUSE HAZARDY Replacement Warning signs are available at no cost DescriptionUse Only Genuine Graco Parts and Accessories AccessoriesWaterborne Fluid Hose Assembly 100 psi 0.7 MPa, 7 bar Maximum Working PressureManual Change Summary For use in the Fluid Voltage Discharge and Ground- ing ProcedureSnap Ring Pliers Gun High Voltage Probe & MeterPage Data Technical DataCategory Graco Phone Number The Graco Warranty and DisclaimersWARRANTY EQUIPMENT NOT COVERED BY GRACO WARRANTY