The Doughboy pool filter keeps the water clean with no dirt particles.To keep the pool clean, there are two donut filters.The Earth (D.E.) Filter and sand filter
.Each filter can remove the fine dirt particles in the water, but how do you rinse the filter and complete the process is slightly different.The Doughboy swimming pool pump should be washed back when the pound is heavyper-square-Inches (PSI) are five to seven PSI higher than a clean reading, which is the reading on the meter when the pool pump is first started.Close the pool pump.Push out the flush hose attached to the bottom of the pump.Gently press on the multi-port valve handle and turn to "return "."It drops in place when you gently press the handle.Open the pump and let the water run for one to two minutes, or until the water is clear in the sight glass on the left side of the multi-port handle.Close the pool pump.Move the valve handle to "filter waste "."Open the sand filter pump and run for 10 seconds.Turn off the pump.Return the multi-port valve handle to "filter" and open the pump.The pump has been backwashed and is now in filter mode and will open when scheduled.Turn off the pump.Remove drain cover and O-Ring located directly below the multi-port valve handle on the right side of the pump.Push out the rinse hose at the bottom of the pump.Lift and turn to "return" on the multi-port valve handle ".Push down gently and lock in place.Open the pump and run for two or three minutes, or until the water is clear in the sight glass located on the left side of the valve handle assembly.Turn off the D.E.pool pump.Move the handle to "filter to waste" and open the pump.Turn the pump off after 20 seconds of operation.Turn the handle to "return" and run for another two to three minutes.Turn off the pump and move the handle to "filter waste "."Remove the cover from the slag reader.Move the D.E.Powder near the pump.You need to add 2-1/2 of powder.Open the pump.Pour in the D.E.Put the powder into the slag reader.Turn off the pump after 30 seconds.Replace the O-Ring and drain cover.Turn the multi-port valve handle to "filter "."Open the pump.The pump is now in filter mode and will open when planning.