Graco 3A2495C important safety instructions Contents

Contents
Models	3
Warnings	4
Gun Overview	7
How the Electrostatic AA Spray Gun
Works	7
Controls, Indicators, and Components	8
Smart Guns	9
Installation	15
Warning Sign	15
Ventilate the Spray Booth	15
Air Supply Line	16
Fluid Supply Line	16
Gun Setup	18
Gun Setup Checklist	18
Grounding	21
Check Gun Electrical Grounding	25
Check Fluid Resistivity	26
Check Fluid Viscosity	26
Flush Before Using Equipment	26
Operation	27
Pressure Relief Procedure	27
Startup	27
Shutdown	27
Maintenance	28
Flushing	28
Clean the Gun Daily	29
Daily System Care	31
Electrical Tests	32
Test Gun Resistance	32
Test Power Supply Resistance	33
Test Gun Barrel Resistance	34
Troubleshooting	35
Spray Pattern Troubleshooting	35
Gun Operation Troubleshooting	36
Electrical Troubleshooting	37
Repair	39
Prepare the Gun for Service	39
Air Cap, Spray Tip, and Fluid Seat Housing
Replacement	40
Electrode Replacement	41

Fluid Tube Removal and Replacement	42
Fluid Filter Replacement	42
Gun Barrel Removal	43
Gun Barrel Installation	43
Fluid Needle Replacement	44
Power Supply Removal and
Replacement	45
Alternator Removal and Replacement	46
Fan Air Adjustment Valve Repair	48
Atomizing Air Adjustment Valve
Repair	49
ES On-Off Valve Repair	50
Air Valve Repair	51
Smart Module Replacement	52
Air Swivel and Exhaust Valve
Replacement	53
Parts	54
Standard Air-Assisted Spray Gun
Assembly	54
Smart Air-Assisted Spray Gun
Assembly	56
Alternator Assembly	58
ES On-Off Valve Assembly	59
Fan Air Valve Assembly	60
Air Cap Assembly	61
Smart Module Assembly	61
Spray Tip Selection Chart	62
AEM Fine Finish Spray Tips	62
AEF Fine Finish Pre-Orifice Spray
Tips	63
Repair Kits, Related Manuals, and
Accessories	64
Gun Accessories	64
System Accessories	64
Test Equipment	64
Hoses	65
Operator Accessories	65
Dimensions	66
Technical Data	67
Graco Pro Xp Warranty	68

2 3A2495C