ES ON/OFF Valve Repair

1.Prepare the gun for service, page 26.

2.Loosen the screw (48). Remove the valve.

3.Lubricate the o-rings (22a* and 22b*) with non-sili- cone grease, Part No. 111265. Do not over-lubricate.

Repair

4.Clean and inspect parts for damage. Replace if nec- essary.

NOTE: The protrusion on the retainer plate (22d) must point upward.

5.Reinstall the valve. Torque the screw (48) to 15-25 in-lb (1.7-2.8 N•m).

CAUTION

Do not over-lubricate parts. Excessive lubricant on the o-rings can be pushed into the gun air passage and blemish the finish on the workpiece.

22d

22e

22b*

22c

22a*

TI1488A

22f 22g

Fig. 20. ES ON/OFF Valve

309295

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Image 37

Graco PRO Xs4 AA manual ES ON/OFF Valve Repair

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.

Contents

This manual contains important warnings and information Instructions Parts List 309295Standard Model Table of Contents List of Models SymbolsModel Description Operation Fire, Explosion, and Electric Shock Hazard Toxic Fluid Hazard Fluid Injection Hazard Equipment Misuse Hazard How the Electrostatic AA Spray Gun Works Introduction = on = OFF Gun OverviewStandard Gun Smart Gun Install the System InstallationVentilate the Spray Booth Flammable or Toxic Vapor Hazard Hazardous Area Non-Hazardous Area Connect the Exhaust Tube Connect the Air LineElectric Shock Hazard Select a Spray Tip Connect the Fluid Line Grounding Check Gun Grounding Check Electrical Grounding Check Fluid Viscosity Check Fluid Resistivity Operation Low Voltage Adjustment Smart Guns Only Flush the Spray Gun Maintenance Ti1465a Test Gun Resistance Electrical Tests Test Power Supply Resistance Test Power Supply Resistance Test Barrel Resistance Test Barrel Resistance Spray Pattern Troubleshooting TroubleshootingProblem Cause Solution Gun Operation Troubleshooting Electrical Troubleshooting Repair Pressure Relief Procedure Tools Needed Prepare the Gun for Service Tip Guard, Air Cap, and Spray Tip Replace- ment Tip Guard, Air Cap, Spray Tip, or Seat Housing Replacement Repair Electrode Replacement Electrode Replacement Fluid Filter Removal Fluid Tube Replacement Spring Cap and Springs Fluid Needle Replacement Barrel Removal Barrel Installation Power Supply and Turbine Alternator Power Supply Removal and Replacement Turbine Alternator Removal and Replacement Atomizing Air Adjustment Valve Atomizing Air Adjustment Valve Repair Air Valve Air Valve Repair ES ON/OFF Valve ES ON/OFF Valve Repair Part No 85 kV Electrostatic Gun, Series a items Parts Ref. No Alternator Ref. No Atomizing Air Adjustment ValveRef. No ES ON/OFF Valve AIR CAP Description Qty Included in Air Seal Repair Kit 53 Ref Adjustment valve 20, and ES ON/OFF valve Ref. No Alternator Description Qty SWITCH, ES HI/LO Air Line Accessories AccessoriesFluid Line Accessories Miscellaneous Accessories Gun Accessories Fan Width at Orifice Size Spray Tip Selection Chart Category Data Technical Data Graco Phone Numbers Graco Standard WarrantyToll Free