Pump Woes

[NullQwerty]

Hi folks,

At the beginning of the season, my pump wouldn't start....it just hummed when you turned it on. I made a post about it here: http://www.poolforum.com/pf2/showthread.php?t=1680

I opened it up, twisted the impeller which apparently was stuck, and all was fine.

Things have been good since then, but due to a DE filter that built up pressure quickly, I rarely had the pump on longer than 2 hours. Now that pool filter is working well, I attempted to leave my pump on for 24 hours straight. After 12 hours, all was good, but after 24, when I got home from work, I found my pump wasn't on and wouldn't turn on. No hum, no nothing.

I unplugged it for about a half hour and tried again. Now it would hum, but wouldn't pump. I couldn't twist the impeller, so I opened it up and got the impeller to spin, but with a good deal of resistance still present. I put it back together, but it still wouldn't pump (just hummed) and after 5-10 seconds it shut itself off and stopped humming. Again had to wait a 1/2 hour before it would at least start and hum.

So I took it apart again and this as far as I got it (see attached pics). I stopped at those 2 rusted screws. I'm afraid I might strip them as they are tight and not in the best of shape. The impeller does spin by hand but has a lot of resistance. Should I do my best to dissamble this thing further? In my other post the user Waste mentioned attempting to spin the shaft with a wrench near a white plastic triangle, but I haven't come across that triangle yet. Is it beneath the plate with the 2 screws?

Do I need to replace this motor or is salvageable? What went wrong here? Was it the DE?

Thanks