Graco Inc 3500WB, 308584 PRO 3500sc Gun Conversion, Tighten the nut 78* onto the ferrule housing

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10. Tighten the nut (78*) onto the ferrule housing (79*).

PRO 3500sc Gun Conversion

6.Assemble the two o-rings (80*, 81*) onto the fluid inlet tube (75*). Apply dielectric grease to the o-rings and tube threads.

7.Screw the fluid inlet tube (75*) into the barrel inlet until it bottoms out.

a.Apply dielectric grease (82) to the O.D. threads of the fluid inlet tube (75*). Thread the sleeve (91) onto the fluid inlet tube until it bottoms out.

8.Loosely assemble the ferrule housing parts (77*, 78*, 79*) to the gun bracket (76*).

9. Apply high strength Loctiter to the air fitting (D) threads. Align the nut (78*) with the fluid inlet tube (75*), and install the air fitting to hold the bracket in place; torque the fitting to 35 to 45 in-lbs (4 to 5.1 NSm).

10. Tighten the nut (78*) onto the ferrule housing (79*).

11.Press the exhaust tube (E) onto the barbed adapter on the bottom of the gun handle. Secure the tube with the clamp (F).

12.Test the gun resistance as instructed on page 28.

13.Mount the warning sign (71*) in the spray area where it can easily be seen and read by all opera- tors.

14.Follow the additional warnings, installation, operation, service, and other instructions given in this manual for a water-base system. Order replacement parts for the gun from the parts list on page 47.

Manual background WARNING

ELECTRIC SHOCK HAZARD

To help avoid electric shock, which could cause serious injury, only use the air and fluid hoses listed on page 48.

308584 45

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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 FIRE AND EXPLOSION HAZARD PRESSURIZED EQUIPMENT 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 TubeFilter the Fluid Connect the Fluid HoseContinued on the next page Connect the Fluid Hose continued H2O PRO Voltage Blockconnection shown FIRE, EXPLOSION, AND ELECTRIC SHOCK HAZARD Ground the SystemCheck the Electrical Grounding Fluid Voltage Discharge and Grounding Procedure Pressure Relief ProcedureOperation Selecting a Fluid Nozzle and Air Cap Operating ChecklistOperating the Spray Gun FIRE AND EXPLOSION HAZARDCOMPONENT RUPTURE HAZARD Fine Adjustments of the Spray Gun Atomizing Air Valve AdjustmentMaintenance Daily Care and CleaningShutdown 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 DETAILFluid Adjustment Assembly Repair continued Air Trigger Valve Repair Apply a very light coat of lubricant to the o-rings 41 Atomizing Air Valve Repair ES ON-OFF Valve Repair MOVING PARTS HAZARD05363B Barrel Removal Power Supply Replacement  Apply a very light coat of lubricant to the o-rings 37a Do not expose the gasket 18a to solvents Turbine Alternator Replacement Barrel Installation05158B Measurements, inches mm Graco Waterborne Fluid Hose RepairPRO 3500SC Gun Disassembly NOTE Keep all the following parts for reassemblyPRO 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 Technical Data CategoryData Graco Phone Number The Graco Warranty and DisclaimersWARRANTY EQUIPMENT NOT COVERED BY GRACO WARRANTY