Repair

Replace the Ball Check Valves

Ball Check Valve Repair Kit 245067 is available. Parts included in the kit are marked with a (‡). For the best results, use all parts in the kit.

Disassembly

1.Remove fluid covers (see page 13). Do not remove housing (54).

2.Remove the inlet and outlet ball checks (26-32). Note that the orientation of the inlet check parts is different than the outlet check parts. (See FIG. 7.)

NOTE: If the inlet seats (31) are difficult to remove, drive them out from the opposite side using a brass rod and hammer.

3. Replace all parts provided in Kit 245067.

Reassembly

1.Reinstall the inlet and outlet ball checks on one side of the pump. The inlet and outlet checks are assem- bled differently, install them exactly as shown in FIG. 7.

2.Install one fluid cover loosely to prevent the ball checks from falling out.

NOTE: Align the through holes in the housing with each other and with the covers.

3.Turn the pump over and install the ball checks on the opposite side, exactly as shown.

4.Reinstall the fluid covers. (See page 13.)

20

311688L

Page 19 Page 21
Page 20
Image 20
Graco 311688L important safety instructions Replace the Ball Check Valves
Page 19 Page 21

311688L specifications

The Graco 311688L is a high-performance airless paint sprayer, designed for both professional contractors and DIY enthusiasts looking to achieve a flawless finish on their projects. Engineered for reliability and efficiency, the Graco 311688L stands out in the competitive market of paint sprayers, offering a range of features that cater to various painting tasks.

One of the key features of the Graco 311688L is its powerful motor, which delivers consistent pressure to ensure an even and smooth application of paint. The unit is designed to handle a variety of coatings, including unthinned paints, stains, and sealers, making it versatile enough for numerous projects, from indoor walls to outdoor fences. The sprayer can cover large areas quickly, reducing the amount of time needed to complete a job.

Equipped with Graco's ProXChange technology, the Graco 311688L allows for easy replacement of the pump without the need for tools, minimizing downtime during projects. This feature is especially beneficial for professionals who need to maintain efficiency on job sites. The sprayer also includes the Graco SmartControl technology, which provides a consistent spray pattern regardless of the selected pressure. This technological advancement aids in achieving optimal results while allowing users to adjust the spray patterns according to their needs.

In terms of ergonomics, the Graco 311688L is designed with user comfort in mind. The lightweight design and integrated handle make it easily portable, while the adjustable spray tip enables users to customize the size and shape of the spray fan for precision work. Additionally, the unit features a built-in suction tube that allows for painting directly from a paint bucket, reducing mess and increasing convenience.

Safety has not been overlooked in the Graco 311688L design. It features a pressure relief valve that ensures safe operation, preventing unwanted discharge of paint when the motor is turned off. The unit also comes with a durable construction that enhances its longevity, making it a worthwhile investment for anyone serious about painting.

To sum it up, the Graco 311688L offers a blend of power, efficiency, and user-friendly features that make it an excellent choice for various painting applications. Whether you're a seasoned professional or a weekend warrior, this airless paint sprayer provides the performance and reliability needed to tackle any paint job with confidence.
Top Page Image Contents