Filter Cleaning - Unable to close the lid

[rkrgk]

Thanks for the number Ben!
I called at the number and spoke to a tech support. He told me that my unit is a DE6000.

[PoolDoc]

Were you able to find the matching manual?

[rkrgk]

Yes, He had to send fax me the manual, since the product is obsolete and replaced with DE6020.
But it seems as though most of the details in the manual that you mentioned matches this one except for the physical differences between the models.
I was able to put the filter back together, but when I started the pump, the pressure seems to be too high ~35psi. There might be something causing this high pressure. May be because I only replaced 3 of the 8 filter grids (and others I only cleaned with a garden hose and didnt use any chemicals). I still dont undertstand all the valves in my system, and I think my in floor cleaning system (caretaker 5 port valve) would need rebuilding/replacing.

[PoolDoc]

+ Gummed up DE grids can definitely cause a lot of back pressure, and poor filtration.
+ Caretaker systems waste enormous amounts of energy, and also cause a great deal of back pressure.
+ 35 psi on start up is WAY too high

[rkrgk]

Still the pressure is around 30 psi, so I kept it switched off for now. And turned my attention to the caretaker 99 pop up system. I took it apart to clean and check if the gears are worn out. The stainless steel net was kinda clogged, so I bought a replacement. The pistons seems to have lost a bit of strength, but I am just gonna try to clean everything and put it back to see if I can make it work.
But when I opened the gears inside the cam assembly, I was not that careful to note how they were placed against each other, and the whole gear system came apart. I searched how to find some information as to put all the gears back together at the right place, but seems there is no info available. Would you know how to put them back?
(I am talking about the plastic gears on the cam assembly). I could find rebuild kit instructions, but they all describe the cam assembly being held together with a rubber band and does not need to be assembled.

[PoolDoc]

Not me! My approach to those things is to remove them, and arrange the heads so that there is some supplemental circulation, but no cleaning action. (I'm not a fan of in-floor cleaning systems: they are massive energy hogs, and seem to rarely work well after the first few years.)

[rkrgk]

I put back everything and i can see water coming through the pop up system, but it doesnt popup, may be i need to change the plastic pistons.
Now the pressure seems to be at 35psi. I think I really need to change all the grids or may be atleast clean them thoroughly. How do you know when to replace the grids? I replaced 3 of them since 1 was torn and 2 were broken by poolguy.