Table of Contents

List of Models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

Symbols . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

Warning Symbol. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

Caution Symbol . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

How the Electrostatic AA Spray Gun Works. . . . . 7

Gun Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Install the System . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Warning Sign . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Ventilate the Spray Booth . . . . . . . . . . . . . . . . . . . . . 9

Connect the Air Line . . . . . . . . . . . . . . . . . . . . . . . . .11

Connect the Exhaust Tube . . . . . . . . . . . . . . . . . . . .11

Connect the Fluid Line . . . . . . . . . . . . . . . . . . . . . . 12

Filter the Fluid . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Select a Spray Tip . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Grounding. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Check Electrical Grounding . . . . . . . . . . . . . . . . . . 14

Check Fluid Resistivity . . . . . . . . . . . . . . . . . . . . . . 15

Check Fluid Viscosity . . . . . . . . . . . . . . . . . . . . . . . 15

Operation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

Low Voltage Adjustment (Smart Guns Only) . . . 16

Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

Flush the Spray Gun . . . . . . . . . . . . . . . . . . . . . . . . 17

Electrical Tests. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

Test Gun Resistance . . . . . . . . . . . . . . . . . . . . . . . . . 19

Test Power Supply Resistance . . . . . . . . . . . . . . . . 20

Test Barrel Resistance . . . . . . . . . . . . . . . . . . . . . . . 21

Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22 Spray Pattern Troubleshooting . . . . . . . . . . . . . . . .22 Gun Operation Troubleshooting . . . . . . . . . . . . . . .23 Electrical Troubleshooting . . . . . . . . . . . . . . . . . . . .24

Repair . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25 Pressure Relief Procedure . . . . . . . . . . . . . . . . . . . . .25 Prepare the Gun for Service . . . . . . . . . . . . . . . . . . .26 Tools Needed . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .26 Tip Guard, Air Cap, Spray Tip, or Seat Housing

Replacement . . . . . . . . . . . . . . . . . . . . . . . . . . . .27 Electrode Replacement . . . . . . . . . . . . . . . . . . . . . . .29 Fluid Tube Replacement . . . . . . . . . . . . . . . . . . . . . .30 Fluid Filter Removal . . . . . . . . . . . . . . . . . . . . . . . . .30 Fluid Needle Replacement . . . . . . . . . . . . . . . . . . . .31 Barrel Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .32 Barrel Installation. . . . . . . . . . . . . . . . . . . . . . . . . . . .32 Power Supply Removal and Replacement. . . . . . .33 Turbine Alternator Removal and Replacement. . .34 Atomizing Air Adjustment Valve Repair. . . . . . . .35 Air Valve Repair. . . . . . . . . . . . . . . . . . . . . . . . . . . . .36 ES ON/OFF Valve Repair. . . . . . . . . . . . . . . . . . . . .37

Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .38 Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .46 Air Line Accessories . . . . . . . . . . . . . . . . . . . . . . . . .46 Fluid Line Accessories . . . . . . . . . . . . . . . . . . . . . . .46 Gun Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . .47 Miscellaneous Accessories . . . . . . . . . . . . . . . . . . . .47

Spray Tip Selection Chart. . . . . . . . . . . . . . . . . . . . . . . .48 Technical Data. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .49

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Graco PRO Xs4 AA manual Table of Contents

PRO Xs4 AA specifications

The Graco PRO Xs4 AA is an advanced airless paint sprayer known for its superior performance and versatility, making it ideal for professionals and DIY enthusiasts alike. This sprayer is designed to handle a wide range of coatings, including latex, stains, and heavy-bodied materials, providing exceptional finish quality on various surfaces.

One of the standout features of the PRO Xs4 AA is its powerful TrueAirless technology, which ensures a consistent and even spray pattern. This technology allows users to achieve a professional finish without the need for thinning materials, saving time and effort. The sprayer is equipped with a robust 0.75 HP motor, delivering up to 0.40 GPM (gallons per minute) fluid output, making it suitable for medium to large-sized projects.

Another significant characteristic is the PRO Xs4's lightweight design, making it easy to transport and maneuver while working. Weighing only 34 pounds, it is simple to set up and operate, reducing fatigue during extended use. The unit features an adjustable pressure settings system, allowing users to control the flow rate according to their specific job requirements for optimal results.

The Graco PRO Xs4 AA also comes with the innovative Graco BlueLink technology, which provides real-time monitoring and diagnostics through a Bluetooth connection. This feature enables users to track their job performance, receive maintenance reminders, and access operational data directly from their smartphones, enhancing user experience and efficiency.

Additionally, the PRO Xs4 is equipped with a durable 515 spray tip, designed to create a fine finish while minimizing overspray. The inclusion of the FlexLiner bag system allows for quick color changes and easy cleanup, making it a truly user-friendly tool. The sprayer is also compatible with a variety of Graco accessories, allowing for customization and improved efficiency based on project needs.

With a maximum tip size of 0.017 inches, the PRO Xs4 is versatile enough to handle both fine and coarse coatings, making it a great option for a range of applications, from interior walls to exterior surfaces. The Graco PRO Xs4 AA combines cutting-edge technology with ease of use, making it an excellent choice for anyone looking to achieve professional-quality results in their painting projects.