Address Paint and Pump Issues
At 11:35 in
Get the PERFECT Spray Pattern! Airless Sprayer Tips
What happens here
Always strain your paint before putting it into the sprayer to remove debris. Unstrained paint can clog filters and the rock guard (suction filter), drastically reducing paint flow and causing a severe pressure drop. Inspect the rock guard for any paint globes or dried paint that might be reducing its effective surface area. Ensure at least 50% of the rock guard's filter surface is exposed. For older pumps (e.g., 5+ years old with heavy use), worn packings (seals around the piston) can cause pressure loss and poor spray patterns. If packings are worn, they need to be replaced. Lastly, recognize that some paints, especially those in other parts of the world not specifically designed for spraying, may need to be thinned (watered down) to achieve a proper spray pattern. However, for paints designed to spray, thinning should generally be avoided.
Goal: Identify and resolve problems related to dirty paint, worn pump packings, or using paints not designed for spraying, all of which can severely impact spray quality.
Tools and materials
- Paint Strainer Bag
- Rock Guard/Suction Filter
- Paint
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