Repair

Tools Required

Tools needed for complete gun repair:

adjustable wrench

flat head screwdriver (included)

1/8 in. (3 mm) diameter rod

5/16 hex nut driver (included)

Lubrication

Liberally lubricate all o-rings, seals, and threads. Lubri- cate threads and outside of lock ring (11). See page 43 to order lubricant.

Repair

Remove Front End

WARNING

Read warnings, page 7. Proper attachment of front end is critical. Do not operate gun if front end is loose or lock ring is not snug against handle.

1. Follow Pressure Relief Procedure, page 15.

2. Flush Gun, page 20.

CAUTION

If lock ring (R) is stuck due to material buildup, do not force it by turning entire front end. Locating tabs (Z) may break off. Soak front of gun in solvent to soften cured material and free lock ring.

3. Unscrew lock ring (R) until front end of gun is

loose. Turn fluid housing (F) 1/8 turn counterclock- wise. Unscrew lock ring completely and remove front end of gun.

F

R

TI2416A

309550U

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Image 27
Graco 309550U important safety instructions Repair, Tools Required, Lubrication, Remove Front End

309550U specifications

The Graco 309550U is a top-of-the-line airless paint sprayer that caters to both professionals and DIY enthusiasts. With its advanced features and user-friendly design, it stands out as an essential tool for achieving a flawless finish on various painting projects.

One of the main characteristics of the Graco 309550U is its powerful motor, which delivers a high level of pressure, making it suitable for a wide range of coatings. This airless sprayer can handle everything from thin paints to thicker latex and enamels without clogging, ensuring smooth and consistent application. The unit is designed to cover large areas quickly, allowing users to complete their projects in a fraction of the time compared to traditional roller or brush methods.

Equipped with Graco's exclusive ProXChange pump technology, the 309550U allows for easy pump replacement on the job site without the need for tools. This feature enhances productivity by minimizing downtime, enabling users to keep working seamlessly. The unit also boasts an innovative suction tube that can draw paint directly from the can, eliminating the need for cumbersome pouring and mess.

Another noteworthy feature is the adjustable pressure control, which allows users to customize the spray pattern and flow rate. This adaptability ensures optimal coverage in various environments and surfaces, whether applying a fine mist for intricate details or a heavier coat for larger surfaces. The built-in filter system further enhances performance by preventing debris from entering the spray mechanism, ensuring a smooth, even finish.

The Graco 309550U is designed with portability in mind. It features a lightweight frame and durable wheels, making it easy to transport across job sites or around the house. Additionally, the sprayer comes with a convenient carry handle for added mobility. Safety features, including a trigger lock, are also implemented to prevent accidental activation, giving users peace of mind during operation.

In conclusion, the Graco 309550U airless paint sprayer is a versatile and efficient tool that combines powerful performance with user-friendly features. Its robust design, ease of use, and innovative technologies make it an ideal choice for both professional painters and homeowners looking to achieve exceptional results in their painting endeavors. Whether you're tackling an interior room, exterior surface, or detailed trim work, the Graco 309550U ensures a flawless finish every time.