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Sprayer Depot Blog

3 Steps for Smooth Sprayer Startup Next Year

Posted by Sprayer Depot on Fri, Oct 27, 2017

Reprinted from



The cooler temps have arrived for many of us and that means snow, ice and below-freezing weather.  In this post we're sharing some great information published by our friends at Hypro on the key steps to take now to ensure your sprayer is ready for your next spray season.

  • Adequately flush the pump and solution system of all chemical residue. Be sure to remove all strainer screens and clean any residue that has built up on the screens.
  • To prevent oxidation of components, fill solution system components with antifreeze and spray a small volume through the system (from tank to nozzle). This procedure will prevent elastomer components from ‘drying out’ and remove residue that continues to attack system components.
  • Improve the storage life of Centrifugal Pumps with cast iron components by using an antifreeze with a rust inhibitor.
  • Roller Pumps benefit by being stored with a light oil. Rotate the shaft to ensure that all internal surfaces are coated with oil. Plug ports after lubricating the pump.
  • Diaphragm and Piston/Plunger Pumps should be stored with RV antifreeze in them.
  • Leave Regulators, Unloaders and Valves in a loose or open state so that they do not stick upon startup.


    Read the complete list of Hypro's recommendations HERE





Topics: Winterizing Spray Equipment, Hypro, Diapgragm pumps, Hypro Roller Pump

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