Troubleshooting

PROBLEM

CAUSE

SOLUTION

 

 

 

 

 

 

 

A and/or B fluid in gun air section.

Damaged side seals (18c).

Replace, page 29.

 

 

 

 

 

Damaged mix chamber (19).

Replace, page 29.

 

 

 

 

Damaged side seal o-rings (18d,

Replace, page 29.

 

18e).

 

 

 

 

 

 

Tightened air cap with fluid valves

Close valves first.

 

(12b) open.

 

 

 

 

 

Fluid mist from mix chamber or air

Damaged side seals (18c).

Replace, page 29.

cap.

 

 

 

 

 

 

 

Damaged side seal o-rings (18d,

Replace, page 29.

 

18e).

 

 

 

 

 

 

Damaged mix chamber (19).

Replace, page 29.

 

 

 

Excessive overspray.

Too much cleanoff air.

Reduce, page 13.

 

 

 

Rapid buildup of material on air cap.

Plugged air cap holes.

Clean, page 20.

 

 

 

 

Too little cleanoff air.

Increase, page 13.

 

 

 

 

Damaged/missing fluid housing

Replace, page 29.

 

o-ring (23).

 

 

 

 

 

 

Damaged front o-ring (3).

Replace, page 29.

 

 

 

Reduced cleanoff air.

Damaged front o-ring (3).

Replace, page 29.

 

 

 

Excessive cleanoff air when fluid

Damaged/missing fluid housing

Replace, page 29.

valves are closed and gun is trig-

o-ring (23).

 

 

gered.

 

 

 

 

 

 

Fluid does not shut off when fluid

Damaged fluid valves (12b).

Replace.

valves are closed.

 

 

 

 

 

 

Burst of air from muffler when gun is

Normal.

No action required.

triggered.

 

 

 

 

 

 

Steady air leakage from muffler.

Damaged air valve o-rings (24).

Replace, page 33.

 

 

 

 

Damaged piston o-rings (16, 17).

Replace, page 32.

 

 

 

Air leakage from front air valve.

Damaged air valve o-rings (24).

Replace, page 33.

 

 

 

Air leak around lock ring.

Damaged o-ring (21).

Replace, page 29.

 

 

 

Cannot tighten retaining ring (9) until

Air cap (10) assembled before retain-

Install retaining ring (9) first, then air

it bottoms out.

ing ring (9).

cap (10), page 30.

 

 

 

 

24

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Image 24
Graco 309550ZAE important safety instructions Problem Cause Solution
Page 23 Page 25

309550ZAE specifications

The Graco 309550ZAE is a high-performance airless paint sprayer designed for professionals and DIY enthusiasts who demand precision and efficiency in their painting projects. This powerful tool stands out in the market for its robust construction and exceptional capabilities, making it ideal for a wide range of applications, including residential, commercial, and industrial painting tasks.

One of the main features of the Graco 309550ZAE is its powerful motor, which delivers consistent pressure for a smooth and even finish. The sprayer is equipped with a 0.5 horsepower motor that can easily tackle thick coatings, including latex paints and stains. This motor is designed for durability, ensuring that it can withstand the rigors of frequent use without compromising performance.

The Graco 309550ZAE also features a user-friendly control system that allows for easy adjustments and operation. Its adjustable pressure settings enable users to fine-tune the spray pattern according to the specific requirements of their project. This versatility lets painters choose from a variety of spray tips, ensuring optimal coverage whether they are working on walls, ceilings, or intricate moldings.

Another significant characteristic of this sprayer is its lightweight and portable design. Weighing in at just around 25 pounds, the Graco 309550ZAE is easy to transport to different job sites. Its durable wheels and ergonomic handle enhance mobility, making it suitable for both indoor and outdoor applications.

The sprayer's built-in filter system helps prevent clogs and ensures a continuous flow of paint, which is crucial for achieving a flawless finish. Additionally, it comes with a robust hose that can extend up to 50 feet, allowing painters to cover large areas without frequent repositioning.

Moreover, Graco has integrated advanced technologies into the 309550ZAE, such as the ProConnect system. This feature allows for easy pump replacement, ensuring minimal downtime and enabling users to get back to work quickly.

In terms of safety, the Graco 309550ZAE is equipped with an integrated airless spray gun that includes safety features to prevent accidental spraying. This enhances user protection, particularly for those who may be new to using airless sprayers.

Overall, the Graco 309550ZAE combines power, reliability, and ease of use, making it an excellent choice for anyone looking to achieve professional-grade results in their painting projects.
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