Service

15.To disassemble the piston guide assembly (V), place the flats of the piston seat (15) in a vise. Close the jaws just tight enough to hold the part; it can be damaged by squeezing it too tightly. Using an 8 mm (5/16 in.) dia. brass rod, unscrew the piston guide (12) from the piston seat (15). See Fig. 5. Remove the piston seal (14); always re- place with a new one. Inspect the mating surfaces of the piston (13) and piston seat (15) for nicks, scoring or wear.

15

Brass

Rod

16.To disassemble the intake check valve assembly (U), place the nut (27) in a vise and unscrew the intake valve body (25) from the nut, using a 25 mm wrench. See Fig. 6. Remove the seal (30) from the nut (27) and the other seal (26) from the valve body; always replace them with new ones. Inspect the mating surfaces of the intake valve body (25) and seat (18) for wear, scoring, or other damage.

27

25

12

Fig. 6

0206

Fig. 5

0205

 

NOTE: The seal (30) is press-fit in the nut (27), and may require cutting with a razor to ease removal.

17.Inspect all parts and threads, and clean with a compatible solvent. To reassemble, see page 17.

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Graco 222839 Series A, 222907 Series A dimensions 0206 0205
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222839 Series A, 222907 Series A specifications

Graco, a renowned leader in fluid management technology, offers a wide range of quality products aimed at various industries. Two notable entries in their lineup are the Graco 222839 Series A and the 222907 Series A. These models exemplify the company’s commitment to innovation, reliability, and performance.

The Graco 222839 Series A is a hydraulic sprayer specifically designed for high-performance applications. One of its main features is the ProXChange technology. This unique system allows users to replace worn or damaged parts on-site, minimizing downtime and enhancing productivity. The unit boasts a powerful motor that supports high-pressure spraying, ideal for large surface areas and demanding projects. Additionally, the ergonomic design ensures ease of use, allowing operators to navigate tight spaces effectively.

Another significant advantage of the 222839 Series A is its compatibility with a wide range of coatings, including stains, sealers, and paints. The sprayer’s adjustable flow rate and pressure settings give users precise control over the application, ensuring a flawless finish without overspray. The integrated filter system reduces the risk of clogs, enabling uninterrupted work even with thicker materials. Furthermore, safety features such as an automatic shut-off mechanism enhance user protection during operation.

On the other hand, the Graco 222907 Series A is particularly suited for professional painters and contractors who require high efficiency and reliability in their tools. This model shares similarities with the 222839 in terms of build quality but offers several distinctions. It includes the SmartControl technology, which provides consistent pressure output for a superior finish, regardless of the viscosity of the material used.

The 222907 Series A also features ProConnect, which allows for quick and easy setup and breakdown, making it ideal for on-the-go applications. Its transport design, including a robust cart with large wheels, further facilitates maneuverability across various job sites. Additionally, the easy-to-read pressure gauge helps operators monitor performance, ensuring the best possible outcomes for their projects.

In conclusion, both the Graco 222839 Series A and the 222907 Series A deliver exceptional performance with innovative technologies aimed at improving efficiency and user experience. Whether for large-scale jobs or intricate detailing, these sprayers represent the pinnacle of modern fluid application technology, making them indispensable tools for professionals in the industry.
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