Contents
Main
308018
Rev. W
INSTRUCTIONS-PARTS LIST
Model PRO 3500hc Electrostatic Air Spray Gun
65 kV, HIGH CONDUCTIVITY, MANUAL GUN
Part No. 223451 Conversion Kit
GRACO INC. P.O. BOX 1441 MINNEAPOLIS, MN 554401441
Page
Table of Contents
Symbols
Warning Symbol
Caution Symbol
WARNING
FIRE, EXPLOSION, AND ELECTRIC SHOCK HAZARD
TOXIC FLUID HAZARD
WARNING
PRESSURIZED EQUIPMENT HAZARD
EQUIPMENT MISUSE HAZARD
Introduction
How the Electrostatic Air Spray Gun Works
Converting a PRO 3500sc Gun to a PRO 3500hc Gun
Non-hazardous Area Hazardous Area
Installing the System
Warning Signs
Ventilate the Spray Booth
Connect the Air Line
Connect the Exhaust Tube
Connect the Fluid Line
Ground the System
Check the Electrical Grounding
Page
Pressure Relief Procedure
Filter the Fluid
Operating Checklist
Selecting a Fluid Nozzle and Air Cap
Operating the Spray Gun
Operating the Spray Gun (continued)
Shutdown
Maintenance
Daily Care and Cleaning
Maintenance
Clean the Air Cap and Fluid Nozzle
Flush the Spray Gun
Spray Pattern Troubleshooting
308018 19
Gun Operation Troubleshooting
Problem Cause Solution
20 308018
Electrical Troubleshooting
* ES indicator light is not on when the gun is triggered.
Problem Cause Solution
Test Gun Resistance
Test Power Supply Resistance
Test Resistor Stud Resistance
Test Resistor Stud Resistance (continued)
Prepare the Gun for Service
Air Cap/Nozzle/Resistor Stud Replacement
Air Cap/Nozzle/Resistor Stud Replacement (continued)
Electrode Replacement
Barrel Removal
Fluid Packing Removal
Fluid Packing and Needle Repair
Power Cartridge Replacement
Turbine Alternator Replacement
Barrel Installation
Fan Air Adjustment Valve Repair
Fluid Adjustment Assembly Repair
Air Trigger Valve Repair
Atomizing Air Valve Removal and Replacement
ES ON-OFF Valve Repair
Tube and Shroud Removal/Replacement
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308018 37
Part No. 222625, Series B,
Electrostatic High Conductivity Air Spray Gun
Part No. 223451 Conversion Kit
Accessories
Use Only Genuine Graco Parts and Accessories AIR LINE ACCESSORIES
Accessories
Use Only Genuine Graco Parts and Accessories FLUID LINE ACCESSORIES
MISCELLANEOUS ACCESSORIES
Technical Data
Manual Change Summary
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Page
44 308018
Graco Standard Warranty
Graco Phone Number
TO PLACE AN ORDER, contact your Graco distributor, or call Graco: 18003674023 Toll Free
GRACO INC. P.O. BOX 1441 MINNEAPOLIS, MN 554401441