Graco 309295N important safety instructions Air Valve Repair

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Air Valve Repair

1.Prepare the gun for service, page 25.

2.Remove the barrel, page 31.

3.Remove the air valve cap (25) from the handle (17). Remove the spring (15). See FIG. 20.

CAUTION

Clean all parts in non-conductive solvent compatible with the fluid being used, such as xylol or mineral spirits. Use of conductive solvents can cause the gun to malfunction.

Repair

5.Inspect the u-cup (6*). Do not remove the u-cup unless damaged. If removed, install the new one with its lips facing into the gun handle (17).

6.Install the air valve (21) and spring (15) into the gun handle (17).

7.Install the air valve cap (25). Torque to 15-25 in-lb (1.7-2.8 N•m).

8.Install the barrel, page 31.

4.Remove the air valve (21) with a pliers. Inspect the the rubber sealing surface and replace the air valve if damaged.

CAUTION

When removing the air valve (21) be careful not to damage the seat area. The rubber seal is not remov- able.

21 15

ti1527a

Fig. 20. Air Valve

309295N

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Contents II 2 G EEx 0.24mJ Smart Model Important Safety Instructions309295N Table of Contents List of Models Fire, Explosion, and Electric Shock Hazard Equipment Misuse Hazard Skin Injection HazardToxic Fluid Hazard How the Electrostatic AA Spray Gun Works IntroductionSmart Gun Gun OverviewStandard Gun Flammable or Toxic Vapor Hazard InstallationInstall the System Ventilate the Spray BoothHazardous Area Non-Hazardous Area Typical Installation KeySupply Hose Connect the Air LineConnect the Exhaust Tube Electric Shock HazardSelect a Spray Tip Connect the Fluid LineFilter the Fluid Earth ground. See Check Electrical Grounding GroundingCheck Gun Grounding Check Electrical GroundingCheck Fluid Viscosity Check Fluid ResistivityOperation Low Voltage Adjustment Smart Guns OnlyLow Voltage Adjustment Flush the Spray Gun MaintenanceTi1465a Test Gun Resistance Electrical TestsTest Power Supply Resistance Test Power Supply ResistanceTest Barrel Resistance Test Barrel ResistanceProblem Cause Solution TroubleshootingSpray Pattern Troubleshooting Gun Operation Troubleshooting Electrical Troubleshooting Repair Pressure Relief ProcedureTools Needed Prepare the Gun for ServiceTip Guard, Air Cap, and Spray Tip Replace- ment Tip Guard, Air Cap, Spray Tip, or Seat Housing ReplacementRepair Electrode Replacement Electrode ReplacementFluid Filter Removal Fluid Tube ReplacementSpring Cap and Springs Fluid Needle ReplacementBarrel Removal Barrel InstallationPower Supply and Turbine Alternator Power Supply Removal and ReplacementTurbine Alternator Removal and Replacement Atomizing Air Adjustment Valve Atomizing Air Adjustment Valve RepairAir Valve Air Valve RepairES ON/OFF Valve ES ON/OFF Valve RepairPart No 85 kV Electrostatic Gun, Series C items PartsRef. No ES ON/OFF Valve Ref. No Atomizing Air Adjustment ValveRef. No Alternator AIR CAP Description QtyPlug 53 Ref Adjustment valve 20, and ES ON/OFF valveAIR CAP Assembly SWITCH, ES HI/LO Fluid Line Accessories AccessoriesAir Line Accessories Miscellaneous Accessories Gun AccessoriesFan Width at Orifice Size Spray Tip Selection ChartCategory Data Technical DataToll Free Graco Standard WarrantyGraco Information

309295N specifications

The Graco 309295N is a versatile and highly efficient airless paint sprayer designed for both professionals and DIY enthusiasts. Renowned for its robust performance, this model is ideal for projects ranging from small touch-ups to large-scale commercial applications. Its user-friendly features and advanced technologies make it an indispensable tool for achieving a flawless finish every time.

One of the standout features of the Graco 309295N is its reliable pump system. This sprayer is equipped with a high-efficiency piston pump that delivers consistent pressure and allows for smooth operation. It can handle a wide variety of materials, including latex and oil-based paints, stains, and sealants, providing exceptional versatility for different projects.

The sprayer boasts an adjustable pressure control, which allows users to customize the spray pattern and flow rate according to their specific needs. This feature is especially useful for achieving detailed work in tight spaces as well as covering larger surfaces, ensuring a professional-looking finish without the need for excessive over-spraying.

The Graco 309295N also incorporates a durable and lightweight design, making it easy to maneuver during use. Its portable nature means that it can easily be transported from one job site to another, ensuring convenience for contractors on the go.

Additionally, the unit features an easy-to-use power flush system that simplifies the cleaning process. By conveniently connecting a garden hose, users can flush out the system after each use, significantly reducing cleanup time and allowing for quick transitions between projects.

This model is also compatible with Graco's range of quality spray tips, offering further customization and flexibility in spray patterns. Users can easily switch out tips to achieve different finishes, whether they require a fine mist for delicate applications or a wider spray for larger areas.

In summary, the Graco 309295N is a powerful airless paint sprayer that combines advanced technology with user-friendly features, making it an excellent choice for anyone looking to tackle painting projects efficiently. Its reliable performance, adjustable pressure settings, ease of cleaning, and compatibility with diverse materials and tips ensures that users can achieve flawless results with every application.