Question about Hayward EC-40 DE Pool Filter with pump
I need instructions on how to open the pentair filter and replace the grids
Remove the band clamp on the tank and start the pump for a second or two untill the top pops then open the air bleed to drain the tank and pull top off. There will be two nuts that you remove from the long studs that come through the top manifold . Once you remove these gently turn the manifold back and forth while pulling up on it. When you get it off rock the grids and pull them up. You will need a garbage handy while you do this to put the caked D.E. in. When all the grids are out you acn pull the bottom frame out. and rinse the base by turning the pump on till the filter base fills then shut the pump off and open the backwash and rinse with a hose while it drains out. You can rinse the parts while you do this if your quick enough. If you used a five gallon bucket to put your old D.E. in Turn the manifold upside down and then assemble with your new grids. Seven are the same size one is smaller that one coresponds with the stand pipe and the bottom has a notch for the same. Whild upside down the grids will line up with the bottom frame a lot easer than when righted. with the steel bolts in their holes carefully tilt the assembly to start the nuts on the through bolts. When they are hand tight rite the assembly and finish tightening it all up. At this point you can lube the stand pipe "O" ring and install a new tank "O" ring. Set the assembly back in the tank and replace the top faceing the same direction as when it came off. Replace the tank band clamp and tighten evenly one side then the other if you have two bolts on it till the coils in the springs touch each other. If it's old enough not to have springs on the bolts tighten them till they squeek.Start pump, bleed air out of tank, ck for leaks and recharge the filter. If you take apart like this once a year and clean the grids or after alge problems you should get eight or ten years from the grids. Good luck!
Posted on Oct 05, 2009
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Posted on Jan 02, 2017
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