Graco 309295N Spray Pattern Troubleshooting, Problem Cause Solution

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Troubleshooting

Troubleshooting

WARNING

Electric Shock Hazard

Installing and servicing this equipment requires access to parts which may cause an electric shock or other serious injury if

the work is not performed properly. Do not install or service this equipment unless you are trained and qualified.

WARNING

Skin Injection Hazard

To reduce the risk of a fluid injection injury, always follow the Pressure Relief Proce- dure on page 24 whenever you are instructed to relieve the pressure.

NOTE: Check all possible remedies in the Troubleshoot- ing Chart before disassembling the gun.

Spray Pattern Troubleshooting

NOTE: Some spray pattern problems are caused by the improper balance between air and fluid.

Problem

Cause

Solution

 

 

 

Fluttering or spitting spray.

No fluid.

Refill supply.

 

 

 

 

Air in fluid supply.

Check fluid source. Refill.

Irregular pattern.

Fluid buildup; partially plugged tip.

Clean. See gun operation manual.

 

Worn/damaged tip or air cap holes.

Clean or replace.

Pattern pushed to one side; air cap

Air cap holes plugged.

Clean. See gun operation manual.

gets dirty.

 

 

 

 

 

Tails in pattern.

Air pressure too low.

Open atomizing air adjustment valve.

 

 

 

 

Fluid pressure too low.

Increase.

Fluid buildup on air cap/tip guard.

Air pressure too high.

Decrease.

Fluid pressure too low.

Increase.

309295N

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Contents Important Safety Instructions 309295NII 2 G EEx 0.24mJ Smart Model Table of Contents List of Models Fire, Explosion, and Electric Shock Hazard Skin Injection Hazard Toxic Fluid HazardEquipment Misuse Hazard How the Electrostatic AA Spray Gun Works IntroductionGun Overview Standard GunSmart Gun Install the System InstallationVentilate the Spray Booth Flammable or Toxic Vapor HazardHazardous Area Non-Hazardous Area Typical Installation KeyConnect the Exhaust Tube Connect the Air LineElectric Shock Hazard Supply HoseConnect the Fluid Line Filter the FluidSelect a Spray Tip Earth ground. See Check Electrical Grounding GroundingCheck Gun Grounding Check Electrical GroundingCheck Fluid Viscosity Check Fluid ResistivityLow Voltage Adjustment Smart Guns Only Low Voltage AdjustmentOperation Flush the Spray Gun MaintenanceTi1465a Test Gun Resistance Electrical TestsTest Power Supply Resistance Test Power Supply ResistanceTest Barrel Resistance Test Barrel ResistanceTroubleshooting Spray Pattern TroubleshootingProblem Cause Solution 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 Atomizing Air Adjustment Valve Ref. No AlternatorRef. No ES ON/OFF Valve AIR CAP Description QtyPlug 53 Ref Adjustment valve 20, and ES ON/OFF valveAIR CAP Assembly SWITCH, ES HI/LO Accessories Air Line AccessoriesFluid Line Accessories Miscellaneous Accessories Gun AccessoriesFan Width at Orifice Size Spray Tip Selection ChartCategory Data Technical DataGraco Standard Warranty Graco InformationToll Free

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.
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