+dapettit Posted August 31, 2013 Share Posted August 31, 2013 The bad impellers had swollen & seized up. I removed them and replaced with 2 brand new ones last night. I put one in the tank, added power & the impeller wasn't spinning. I took it out of the tank, dried it off % plugged it into the outlet. No love. I removed the cover, added power & it started spinning. OK good, replace the cover, no love. Started to mess with the cover and it would run a little then stop. If I spun the impeller with a toothpick it would spin for a second then stop. I'm wondering if the replacement is a little longer than the original & it is being stopped by the end of the cover? I thought I might sand a little off the bottom of the impeller, but not sure if this will help. Any suggestions? Dave- Link to comment Share on other sites More sharing options...
+dapettit Posted August 31, 2013 Author Share Posted August 31, 2013 Update: I tried the sanding option. Still stops running when I put the cover on. New finding: If I squeeze the housing at the clips the impellers runs like a champ. Link to comment Share on other sites More sharing options...
+dapettit Posted August 31, 2013 Author Share Posted August 31, 2013 Ok sent email to HYDOR people. If interested I'll keep posting. Link to comment Share on other sites More sharing options...
(Bio)³ Posted August 31, 2013 Share Posted August 31, 2013 Keep posting :-). I had a nano that did this but it also was electrifying the tank so I just tossed it Link to comment Share on other sites More sharing options...
Woods Posted August 31, 2013 Share Posted August 31, 2013 Dave, how did you get the swollen impellar out. I have several that the impellor magnet has swollen and won't turn anymore and I think that if I could get them out and replace them, they would work again.... Link to comment Share on other sites More sharing options...
+dapettit Posted August 31, 2013 Author Share Posted August 31, 2013 Dave, how did you get the swollen impellar out. I have several that the impellor magnet has swollen and won't turn anymore and I think that if I could get them out and replace them, they would work again.... I had to break the shaft off. Then force a small Phillips screw drive into the hole of the magnet. Pulled out with some force. I was split in 2 places. Link to comment Share on other sites More sharing options...
Timfish Posted August 31, 2013 Share Posted August 31, 2013 Dave, just use the hammer! Dave! JUST USE THE HAMMER! Honestly whenever I run into this problem where heat has warped something to cause inconsistent operation with power heads I just throw them away so I don't have to worry about them quiting in the middle of the night or when I won't be around to check on the tank for several days. Link to comment Share on other sites More sharing options...
+dapettit Posted September 1, 2013 Author Share Posted September 1, 2013 Dave, just use the hammer! Dave! JUST USE THE HAMMER! Honestly whenever I run into this problem where heat has warped something to cause inconsistent operation with power heads I just throw them away so I don't have to worry about them quiting in the middle of the night or when I won't be around to check on the tank for several days. I just might do that if Hydor don't replace them! Link to comment Share on other sites More sharing options...
MINI Posted September 16, 2013 Share Posted September 16, 2013 Just a thought, when mine did this it was a small rubber stopper on the cover. I had to push it back in as for some reason it decided to come loose. Link to comment Share on other sites More sharing options...
+dapettit Posted October 20, 2013 Author Share Posted October 20, 2013 Got the parts from Hydor. Things are working great except 2 of the 4 power heads are running backwards. I took them apart and the rubber stopper in the front cover is missing. Anybody have some spares the might want to part with. Dave- Link to comment Share on other sites More sharing options...
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