Graco Inc 308936, 965722, Pro AA4500

40 308936

Notes

Contents

Main 308936 Rev. B Supersedes Rev. A INSTRUCTIONS-PARTS LIST Model PRO AA4500/UNICARB Air-Assisted Spray Gun For use with Class I, Group D paint spray materials Part No. 965722, Series B Spray Gun with basic power supply, 2-finger trigger GRACO INC. P.O. BOX 1441 MINNEAPOLIS, MN 554401441 WARNING FIRE, EXPLOSION, AND ELECTRIC SHOCK HAZARD TOXIC FLUID HAZARD WARNING INJECTION HAZARD EQUIPMENT MISUSE HAZARD Table of Contents Symbols Warning Symbol Caution Symbol Introduction How the PRO AA4500/UNICARB Electrostatic Air-Assisted Spray Gun Operates Back View of Gun Installing the System Warning Signs Ventilate the Spray Booth Air Line Accessories Fluid Line Accessories Ground the System Operation Operating Checklist Operation Pressure Relief Procedure Page 3. Check the guns electrical grounding. 4. Connect the gun exhaust tube. 5. Connect the fluid hose. 6. Flush the spray gun. 7. Follow the Pressure Relief Procedure. 8. Select a spray tip. 9. Select a pre-orifice 10.Install the pre-orifice 11.Install the spray tip 12.Set the air pressure Recommended Air Hose Inlet Pressure 13.Setting the Atomization Fluid Pressure 14.Using the Electrostatics Page Page Page Page 19.Place the spray tip (9) in the air cap (1). 21.Hang up the gun until it is used again. Spray Pattern Troubleshooting 308936 23 Gun Operation Troubleshooting * Use the least fluid pressure needed for good results. PROBLEM CAUSE SOLUTION 24 308936 Electrical Troubleshooting Test Gun Resistance Test Power Supply Resistance Test Barrel Resistance Prepare the Gun for Service Tools Needed Pre-Orifice, Tip Guard, Air Cap, Spray Tip, or Seat Housing Replacement Electrode Replacement Fluid Tube Removal & Replacement Fluid Filter Removal Barrel Removal Fluid Packing Adjustment Fluid Needle Assembly Removal Power Supply Removal and Replacement Power Supply Adjustment Turbine Alternator Removal and Replacement Barrel Installation ES ON-OFF Valve Repair Air Control Valve Repair Air Valve Repair Page Technical Data Parts 308936 43 Parts Part No. 965722, Series B Includes items 18, 1067 AIR LINE ACCESSORIES FLUID LINE ACCESSORIES GUN ACCESSORIES MISCELLANEOUS ACCESSORIES 308936 47 Spray Tip Selection Chart Part No. Pre-orifice Selection Chart Orifice Size in. (mm) 551932 0.007 (0.178) 551933 0.008 (0.203) 551935 0.010 (0.254) The Graco Warranty and Disclaimers Graco Phone Number Manual Change Summary GRACO INC. P.O. BOX 1441 MINNEAPOLIS, MN 554401441