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

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Graco 3A2495C important safety instructions Contents