Repair

Reassemble the Air Valve

1.See FIG. 9. Lubricate detent cam (304◆) and install into housing.

2.See FIG. 10. Lubricate the u-cups (308†◆) and install on the piston (302◆) with lips facing toward the center of the piston.

7.Install the spring (311◆). Lubricate and install the air valve cup (312◆), see FIG. 11. Align the small round magnet with the air inlet.

8.Install the valve plate (305◆). Tighten the screws (309†◆) to hold it in place.

†◆308 Lips face down

◆302

†◆308 Lips face up

ti12754a

FIG. 10. Air Valve U-cup Installation

3.See FIG. 9. Lubricate both ends of the piston (302◆) and install it in the housing.

4.Lubricate and install the detent assembly (303◆) into the piston.

5.Lubricate new o-rings (306†✠◆) and install on the end caps (307✠). Install the end caps into the hous- ing.

6.Install a snap ring (310◆✠) on each end to hold end caps in place.

312◆

ti16283a

Magnet

FIG. 11. Air Valve Cup Installation

Replace Pilot Valves

1.Stop the pump. Follow Pressure Relief Procedure, page 10.

2.Disconnect the air line to the motor.

3.See FIG. 12. Push the safety spring (9) down and hold to access the pilot valve on the bottom cover.

4.See FIG. 14 on page 23. Use a 10 mm wrench to remove the old pilot valves (213) from the top and bottom covers.

5.Lubricate and install the new pilot valves (213). Torque to 95-105 in-lb (11-12 N•m).

20

3A0732J

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Graco 3A0732J important safety instructions Replace Pilot Valves, Reassemble the Air Valve
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3A0732J specifications

The Graco 3A0732J is a versatile and efficient airless paint sprayer that is designed to meet the needs of both professionals and DIY enthusiasts. Known for its high performance and reliability, this model stands out in the market for its ease of use and advanced features.

One of the key features of the Graco 3A0732J is its powerful motor, which allows for the sprayer to deliver a consistent and high-output performance. With a maximum tip size of up to .017 inches, it is well-suited for a variety of applications, including interior walls, ceilings, and even exterior surfaces. This capability makes it an ideal choice for both small and large projects, providing the flexibility to handle different painting jobs with ease.

The sprayer is equipped with Graco’s exclusive ProXChange pump technology, which enables users to easily swap out the pump without any tools required. This feature not only reduces downtime but also enhances the efficiency of the painting process. Additionally, the Graco 3A0732J utilizes a reliable and durable design, ensuring that it withstands the rigors of heavy use while maintaining a high level of performance.

Another notable characteristic of this sprayer is its adjustable pressure control. Users can easily modify the pressure settings to suit the specific requirements of different projects, which helps to achieve a smooth and even finish. This adaptability makes the Graco 3A0732J suitable for various coatings, from paints and stains to sealers.

Moreover, the built-in suction hose allows for easy material pickup from any container, offering users the freedom to use their preferred paint or coating without limitation. This feature is particularly appealing for those who wish to utilize bulk materials or different paint types.

The Graco 3A0732J also emphasizes portability and convenience. It features a lightweight design and an integrated handle, making it easy to transport from one job site to another. Additionally, the sprayer's compact size ensures efficient storage when not in use.

In summary, the Graco 3A0732J is a highly functional airless paint sprayer that combines power, flexibility, and user-friendly features. Its advanced technologies, such as ProXChange pump exchange and adjustable pressure control, make it a reliable choice for anyone looking to achieve professional-grade results in their painting projects. Whether for home improvement tasks or larger commercial jobs, this sprayer stands out for its performance and durability.
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