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What you need:
  • Oil
  • Rag
  • Toothpick or skewer
  • Scrub brush
Properly store your spraying equipment during the winter months to assure that is is ready for service when you need it next year.
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Examine the spray control valve and nozzle assemblies for broken or deteriorated gaskets. Inspect check valves at the bottom of the pump cylinder. Broken or damaged gaskets must be replaced for the sprayer to work properly.
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Check spray hose for age, especially at the fittings. If it has any cracks, cuts or has generally deteriorated, replace it or trim off the damaged portion. Spare parts such as gaskets and check valves are inexpensive and are usually available through your local garden center or hardware store.
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Use a toothpick to gently clean small openings of the nozzle, spray extension, pressure release valve, and nozzle cap.
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For smooth action and rust prevention, lightly oil any moving parts on the pump assembly, especially the pump plunger. Also protect gaskets by giving them a light coating of lubricant.
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Finally, remove any sediment left in the sprayer. Clean the inside of the tank with warm soapy water. After the tank is thoroughly dry, store it by hanging it upside down in a dry, safe place.