Contents
Main
307912
INSTRUCTIONS-PARTS LIST
Model PRO 3500sc Electrostatic Air Spray Gun
65 kV, MANUAL GUN
100 psi (7 bar, 0.7 MPa) Maximum Working Pressure Part No. 222300, Series B
Part No. 222600, Series B
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
Installing the System
Warning Signs
Ventilate the Spray Booth
Non-hazardous Area Hazardous Area
Connect the Air Line
Connect the Exhaust Tube
Connect the Fluid Line (Refer to Fig. 1)
Ground the System
Check the Electrical Grounding (See Fig. 2)
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
307912 17
Gun Operation Troubleshooting
Problem Cause Solution
18 307912
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
Page
Parts
307912 35
Parts
Part No. 222300
Electrostatic Air Spray Gun, with two-finger trigger
Part No. 222600 Electrostatic Air Spray Gun
Electrostatic Air Spray Gun, with four-finger trigger
AIR LINE ACCESSORIES
FLUID LINE ACCESSORIES
SPRAY SYSTEM ACCESSORIES
MISCELLANEOUS ACCESSORIES
Technical Data
Manual Change Summary
40 307912
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