Graco 3A2495C User Manuals

Table of Contents

• toc

  1
  • Contents

    2
    • Models

      3
    • Warnings

      4
    • Gun Overview

      7
      • How the Electrostatic AA Spray Gun Works

        7
      • Controls, Indicators, and Components

        8
      • Smart Guns

        9
        • Operating Mode

          9
          • Bar Graph

            9
          • Hz Indicator

            9
          • Voltage Adjustment Switch

            9
        • Error Display

          10
        • Adjusting the Low Voltage Setting

          10
        • Lock Symbol

          10
        • Diagnostic Mode

          13
          • Voltage (kiloVolts) Screen

            13
          • Current (microAmperes) Screen

            13
          • Alternator Speed (Hertz) Screen

            14
          • Low Voltage Lock Screen

            14
    • 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
      • Graco Information

        68
• tables

  1
  • Table 1 . Key for Figs. 2–9.

    11
  • Table 2 . LED Indicator Colors

    20
  • Table 3 . Pressure Drop

    20
  • Table 4 . Fluid Resistivity Levels

    26