Maintenance

Tightening Threaded Connections

Before each use, check all hoses for wear or damage. Replace as necessary. Check that all threaded con- nections are tight and leak-free.

NOTE: Periodically, re–torque fluid cover screws (38) to 10 ft–lb (13.6 NSm).

Cleaning

Clean the outside of the equipment daily, using a soft cloth and compatible solvent.

Clean the suction tube (L) and inlet strainer daily, using a compatible solvent.

Clean the air filter (D) in your main air line at least once a week.

Storage

Before storing the pump, always flush it and relieve pressure.

Preventive Maintenance Schedule

Establish a preventive maintenance schedule, based on the pump’s service history. This is especially impor- tant for prevention of spills or leakage due to dia- phragm failure.

Troubleshooting

WARNING

To reduce the risk of serious injury whenever you are instructed to relieve pressure, always follow the Pressure Relief Procedure on page 11.

1.Relieve the pressure before checking or servicing the equipment.

2.Check all possible problems and causes before disassembling the pump.

PROBLEM

CAUSE

SOLUTION

 

 

 

Pump will not run.

Closed air line valve.

Open valve.

 

 

 

 

Inadequate air supply, or clogged/

Increase air supply. Do not exceed

 

restricted air line.

maximum air inlet pressure.

 

 

 

 

 

Open or clear air line.

 

 

 

 

 

Clean air filter.

 

 

 

 

Clogged pump, fluid line, or spray

Clear, service. Flush regularly. Do

 

gun.

not allow fluid to set up in the pump

 

 

and lines.

 

 

 

 

Stuck or damaged pump air valve.

Disassemble and clean air valve.

 

 

Replace worn parts. See page 18.

 

 

Use filtered air.

 

 

 

 

Ruptured diaphragm.

Replace diaphragms. See page 17.

 

 

 

 

Air valve plate installed incorrectly.

Align plate with center housing. See

 

 

page 19.

 

 

 

12 309303

Page 11 Page 13
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Image 12
Graco 233776, 233500, 233501, 233777 important safety instructions Maintenance, Troubleshooting
Page 11 Page 13

233777, 233501, 233500, 233776 specifications

Graco, a leading manufacturer in the field of fluid management products, has consistently introduced innovative spray solutions designed to meet the needs of various users. In this article, we will explore four popular models: Graco 233777, Graco 233776, Graco 233501, and Graco 233500. Each of these models boasts unique features, advanced technologies, and exceptional characteristics that cater to both professionals and DIY enthusiasts.

The Graco 233777 is a versatile airless paint sprayer known for its ability to deliver high-quality finishes in minimal time. This model features Graco's reliable ProXChange technology, allowing for easy pump replacement on the job site without the need for additional tools. The PowerFlush cleaning system simplifies maintenance, enabling users to flush the system thoroughly in just a few seconds. With its compact design, the Graco 233777 is easily portable, making it suitable for various job sites.

Next, the Graco 233776 stands out with its innovative SmartControl technology, which ensures a consistent spray pattern and pressure across a variety of coatings. This feature is particularly useful for achieving smooth finishes, whether on walls or intricate surfaces. The model has a robust build designed for durability, along with an ergonomic design that promotes ease of use. The 233776 is well-suited for both professional contractors and hobbyists, offering adaptability for multiple applications.

The Graco 233501 model offers an enhanced user experience through its advanced control features. With the built-in pressure regulation system, it allows fine-tuning of the spray output for different materials, ensuring optimal coverage every time. This model's lightweight design contributes to its user-friendliness, enabling extended use without fatigue. Its compatibility with Graco's full range of mobile sprayer accessories broadens its versatility, catering to diverse spraying needs.

Finally, the Graco 233500 is known for its efficiency and ease of use. This airless sprayer features a powerful motor that can handle a variety of coatings, including thick latex paints. It is equipped with a user-friendly interface, streamlining the setup process and making it accessible for first-time users. The lightweight construction and integrated carry handle facilitate easy transportation, making the 233500 an excellent choice for both large projects and smaller DIY tasks.

In summary, the Graco 233777, 233776, 233501, and 233500 models exemplify the brand's commitment to quality and user-friendly design. With their innovative technologies and features, these sprayers are tailored to meet the demanding needs of various applications, delivering exceptional results every time. Whether you're a seasoned professional or a weekend warrior, these Graco spray solutions are designed to elevate your painting experience.
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