Graco Inc 308584 manual Instructions-Parts List, psi 0.7 MPa, 7 bar Maximum Working Pressure

Page 1
INSTRUCTIONS-PARTS LIST

INSTRUCTIONS-PARTS LIST

This manual contains important warnings and information.

READ AND KEEP FOR REFERENCE.

INSTRUCTIONS

Model PRO 3500wbt

Electrostatic Air Spray Gun

100 psi (0.7 MPa, 7 bar) Maximum Working Pressure

Part No. 222700, Series C

For use when electrostatically spraying con- ductive, waterborne fluids that meet at least one of the following conditions for non-flamma- bility:

1.The fluid has a flash point above 140_F (60_C) and a maximum organic solvent concentration of 20%, by weight, per ASTM Standard D93.

2.The fluid does not sustain burning when tested per ASTM Standard D4206 Sus- tained Burn Test.

NOTE: The PRO 3500wb spray gun is Factory Mutual approved for use with Graco isolation systems. The spray gun is also approved for use with other Factory Mutual approved voltage isolations systems provided that the fluid hose is assembled as shown in Fig. 6, page 13. Any modification of genuine Graco parts or replacement of parts with non-Graco parts will void agency approvals.

U.S. PATENT NO. 4,290,091; 4,219,865; 4,497,447; 4,462,061; 4,660,774 ; D313,064; 4,978,075 Patented 1986, 1987 Canada

Brevete 1986, 1987

U.K. PATENT NO. 2,147,158; 2,142,559B; 2,140,327B French Patent No. 89 16305

Other U.S. and Foreign Patents Pending

308584

Rev. H

05148B

GRACO INC. P.O. BOX 1441 MINNEAPOLIS, MN 55440–1441

ECOPYRIGHT 1995, GRACO INC.

Graco Inc. is registered to I.S. EN ISO 9001

Image 1
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 PRESSURIZED EQUIPMENT HAZARD FIRE AND EXPLOSION HAZARDWarnings are continued on the next page 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 TubeConnect the Fluid Hose Filter the FluidContinued on the next page H2O PRO Voltage Block Connect the Fluid Hose continuedconnection shown FIRE, EXPLOSION, AND ELECTRIC SHOCK HAZARD Ground the SystemCheck the Electrical Grounding Pressure Relief Procedure Fluid Voltage Discharge and Grounding ProcedureOperation Selecting a Fluid Nozzle and Air Cap Operating ChecklistFIRE AND EXPLOSION HAZARD Operating the Spray GunCOMPONENT RUPTURE HAZARD Fine Adjustments of the Spray Gun Atomizing Air Valve AdjustmentDaily Care and Cleaning MaintenanceShutdown 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 DETAILAir Trigger Valve Repair Fluid Adjustment Assembly Repair continued Apply a very light coat of lubricant to the o-rings 41 Atomizing Air Valve Repair MOVING PARTS HAZARD ES ON-OFF Valve Repair05363B Barrel Removal  Apply a very light coat of lubricant to the o-rings 37a Power Supply Replacement Do not expose the gasket 18a to solvents Barrel Installation Turbine Alternator Replacement05158B Measurements, inches mm Graco Waterborne Fluid Hose RepairNOTE Keep all the following parts for reassembly PRO 3500SC Gun DisassemblyPRO 3500sc Gun Conversion 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 Category Technical DataData Graco Phone Number The Graco Warranty and DisclaimersWARRANTY EQUIPMENT NOT COVERED BY GRACO WARRANTY