![]() The fluid displacement pump filter (if used) is clogged.ĥ. Remove the tip and/or filter and clean them.Ĥ. The motor and displacement pump operates, but paint pressure is too low, or none. The displacement is seized by dried paint. The motor operates, but the paint pump doesn't.Ģ. Air entrapped in the fluid pump of the hose.Ĭheck for loose connections on the siphon assembly, tighten, then re-prime pump.Ģ. Like people, airless paint sprayers come in many shapes and sizes.2. The seals in the fluid section which make the pump work. The filter inside the handle of the gun - the 2nd line of defense against remaining debris in the paint. The filter within the sprayer which is the first line of defense against large particles in the paint. The tube that returns paint to the bucket during priming of the pump. The tube that paint or other material to be sprayed is drawn into. The switch valve that sets the airless sprayer mode to either Prime Mode or Spray Mode. Some other airless parts that are within or in addition to main components you should be familiar with: Prime / Spray Valve There are a few other airless sprayer design types such as Convertibles and Roof-Rigs - these 2 are hydraulic sprayers. We need something to hold all these components together! There are three common chassis design configurations Stand (also called a "skid"), Hi-Boy (sometimes called an "upright cart") and Lo-Boy (sometimes called an "low-profile cart"). There are 2 main types of pressure controls Electronic and Mechanical. Since we can't control pressure with the gun, hose or tip, we need a pressure control. Graco tips can be turned 180° to easily blowout clogs.Orifice shape determines the spray pattern size - height and width. ![]()
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