Control Assembly Service

Potentiometer Removal

Remove the potentiometer as follows:

ELECTROCUTION HAZARD

Installing and servicing this equipment requires access to parts which could cause an electric shock or other serious injury. Have only qualified electricians access the control assembly.

1.Shut off system power at the main circuit breaker.

2.At the control assembly, move the MAIN power switch to the OFF position.

3.Unlock and open the hinged cover of the control assembly.

4.Pull lead wires to remove from potentiometer.

5.Loosen setscrew (not shown) in the vernier dial knob and remove dial assembly from the potentiom- eter shaft.

6.Remove the hex nut and lockwasher from potenti- ometer shaft, and remove the potentiometer.

Vernier dial

Cover

Potentiometer

3 1 2

Potentiometer Replacement

Replace the potentiometer as follows:

1.Insert the potentiometer through its hole from the back of the enclosure cover and rotate it so that ter- minals 1 and 3 are oriented at approximately 4:30 when viewed from the back. Refer to FIG. 16. Assemble the lockwasher and nut onto the shaft and secure the potentiometer to the cover.

2.At the front of the cover, turn the potentiometer shaft counter–clockwise to its stop.

3.Pre–set the vernier dial to 0.00 and place it over the potentiometer shaft, with its key tab inserted into the blind hole in the cover front surface. Tighten the dial setscrew (not shown) against the shaft.

4.Verify that the potentiometer is turned fully counter- clockwise when the vernier dial indicates 0.00. Loosen the setscrew and reposition the shaft and dial if necessary, then retighten the setscrew.

5.Connect wire leads to potentiometer.

6.Close and lock the cover on the control assembly.

7.Apply system power at the main circuit breaker.

8.Move the MAIN power switch to the ON position, applying power to the control assembly.

9.In the MANUAL control mode, verify that the potenti- ometer operates correctly.

10.Return the orbital dispenser and control assembly to normal operating condition.

Terminals 1 and 3

Nut

2172

2132

Locating2181 Tab

8040A

FIG. 15

Terminal 2

2181

2132

2172

8034B

FIG. 16

28

310554V

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Graco 310554V important safety instructions Potentiometer Removal, Potentiometer Replacement
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310554V specifications

The Graco 310554V is an advanced airless paint sprayer designed for both professional contractors and DIY enthusiasts looking for a reliable and efficient solution for their painting projects. This sprayer is recognized for its versatility, ease of use, and capability to deliver a high-quality finish with minimal effort.

One of the standout features of the Graco 310554V is its powerful 3000 PSI pump. This high-pressure capability allows users to spray thicker materials and achieve excellent coverage in fewer passes. The pump is also designed with a robust construction, ensuring durability and longevity, making it suitable for heavy-duty use.

Another key characteristic of the Graco 310554V is its SmartControl technology. This innovative feature provides a consistent spray pattern at any speed, which allows users to adjust the flow of paint depending on the specific requirements of the project. Whether spraying a large surface or intricate detail work, SmartControl ensures that the finish remains smooth and even.

The Graco 310554V is equipped with a reversible spray tip that enables users to quickly unclog the nozzle without the need for disassembly. This feature is especially beneficial when working with thicker paints or when the sprayer is not frequently cleaned. The inclusion of the RAC X tip also offers a variety of spray patterns and sizes, giving users more control over the application process.

Portability is another defining feature of the Graco 310554V. It comes with a lightweight design and an integrated handle, allowing for easy transportation between job sites. Additionally, the unit includes a built-in carry handle and a durable frame that enables it to withstand the rigors of regular use.

The Graco 310554V also showcases user-friendly innovations, such as a simple on/off switch and adjustable pressure settings. These features simplify the setup process and empower users to tailor the sprayer's performance based on the material used and the type of job at hand.

Overall, the Graco 310554V combines professional-grade performance with innovative technology, making it an excellent choice for those looking to achieve a flawless finish on their painting projects. Whether you are tackling a small home improvement job or a large-scale professional painting task, this sprayer is engineered to meet varying demands and deliver outstanding results.
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