Service

Service Kits

Service Kits may be ordered separately.

To repair the air valve, order Part No. 238853. Parts included in the Air Valve Service Kit are marked with an asterisk in the Parts Drawing on page 17, for example (3*).

For fluid section repair section parts, see the Service Kit Matrix on page 15. Parts included in the Fluid Section Service Kit are marked with a dagger in the Parts Drawing on page 17, for example (4{).

Servicing the Air Valve

Service the air valve as follows. See Fig. 5.

1.Relieve the fluid pressure, and disconnect air line from the pump.

WARNING

To reduce the risk of serious injury whenever you are instructed to relieve pressure, always follow the Pressure Relief Procedure on page 8.

2.Remove the four screws (14) that hold the valve cover (7) on the center housing (1).

3.Remove the valve block (4) and valve carriage (2), and replace the u-cups (3). Replace the valve carriage and valve block. When you replace the valve carriage, position it all the way to one side or the other.

NOTE: The valve block shown in Fig. 5 is for pumps with an air-operated air motor. If your pump has a solenoid-operated air motor, this step does not pertain. Items 2, 3, 4, 16, and 17 are not required.

4.Clean any parts that are dirty.

5.To reinstall the valve cover (7), spread cover apart enough not to damage the square ring packings

(6) and slide cover (7) into the center section.

6.Install the screws (14), and torque to 40 to 45 in-lb (4.5 to 5.0 NSm). See Torque Sequence on page 18.

7.Reconnect the pump.

6

1416

17

4

7

1

1 3

2

1 3

6

Fig. 5

Lips of u-cups (3) must face toward each other

1(toward center of valve carriage (2)).

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Graco 308652Y important safety instructions Service Kits, Servicing the Air Valve

308652Y specifications

The Graco 308652Y is an advanced paint sprayer designed to deliver professional-quality results for both DIY enthusiasts and professional contractors. Engineered with cutting-edge technology, this model stands out for its efficiency, ease of use, and versatility, making it a popular choice in the market.

One of the main features of the Graco 308652Y is its TrueAirless Technology. This innovative system allows users to spray unthinned paint, providing a flawless finish without the need for additional thinning agents that can compromise the paint’s integrity or performance. The ability to spray a wide variety of materials, from water-based and oil-based paints to stains and sealers, makes it exceptionally versatile.

Another remarkable characteristic of this sprayer is its high-output design. The Graco 308652Y is equipped with a powerful motor that delivers consistent pressure, ensuring a smooth and even spray pattern. It features a maximum pressure rating of up to 3,000 PSI, allowing users to tackle larger jobs quickly and efficiently, saving both time and effort.

Additionally, the Graco 308652Y comes with a stainless steel piston pump that is not only durable but also minimizes the risk of clogs during operation. This enhanced durability means that users can rely on the sprayer for extended use, even with heavy-duty applications.

The model is designed for ease of use, featuring an adjustable pressure control that enables users to customize the flow based on their project requirements and the surface material being painted. This flexibility allows for greater control during application, helping reduce overspray and ensuring precise coatings.

Portability also makes the Graco 308652Y a standout in the industry. It includes a lightweight structure with a comfortable handle, making it easy to transport between job sites. The unit is designed for quick setup and breakdown, allowing users to get to work with minimal hassle.

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