Troubleshooting

Gun Operation Troubleshooting

Problem

Cause

Solution

 

 

 

Excessive spray fog.

Atomizing air pressure too high.

Close atomizing air valve some, or

 

 

decrease air pressure as low as pos-

 

 

sible; minimum 40 psi (0.28 MPa, 2.8

 

 

bar) needed at gun for full voltage.

 

 

 

 

Fluid too thin.

Increase viscosity.

 

 

 

“Orange Peel” finish.

Atomizing air pressure too low.

Open atomizing air valve more or

 

 

increase gun air inlet pressure; use

 

 

lowest air pressure necessary.

 

 

 

 

Spray tip is too large.

Use smaller tip. See page 46.

 

 

 

 

Poorly mixed or filtered fluid.

Remix or refilter fluid.

 

 

 

 

Fluid too thick.

Reduce viscosity.

 

 

 

Fluid leaks from the fluid packing

Worn fluid needle packings or shaft.

Replace fluid needle assembly (26);

area

 

see page 30.

 

 

 

Air leaks from the front of the gun

Air valve (21) is not seating properly.

Clean and service air valve; see

 

 

page 35.

 

 

 

Fluid leakage from the front of the

Worn or damaged fluid needle ball.

Replace fluid needle (26); see page

gun

 

30.

 

 

 

 

Worn fluid seat housing (2).

Replace seat housing; see page 26.

 

 

 

 

Loose spray tip (3).

Tighten retaining ring (27); see page

 

 

26.

 

 

 

 

Damaged tip seal (3a).

Replace; see page 26.

 

 

 

Gun does not spray

Low fluid supply.

Add fluid if necessary.

 

 

 

 

Damaged spray tip (3).

Replace; see page 26.

 

 

 

 

Dirty or clogged spray tip (3).

Clean; see gun operation manual.

 

 

 

 

Damaged fluid needle (26).

Replace; see page 30.

 

 

 

Dirty air cap

Damaged or plugged air cap (9).

Clean air cap; see gun operation

 

 

manual.

 

 

 

22

309295N

Page 22
Image 22
Graco 309295N important safety instructions Gun Operation Troubleshooting

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.