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Old 06/08/2019, 12:42 PM   #1
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chicken's Avatar
Join Date: Mar 2003
Location: San Ramon, CA (SF Bay Area)
Posts: 767
Tunze 6155 problem

Hi, I have a pair of 6155s that are mounted in my tank but have been unplugged for a few years due to my triggers thinking they are chew toys. I just got around to cleaning them and trying to put some plastic rods in the blue rubber shock mounts to keep them from falling off. When I pulled the impellers out there was some rust in the back of them and it looks like either the bushing is worn a little or the back plastic on the impeller is broken off. Trying to figure out what I need to do to get these running again including cleaning out the inside of the impeller housing as it seems there is rust down in there also. Its hard to tell if there are any other parts inside of the housing from the diagrams on your website. Thanks

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Old 06/10/2019, 08:38 AM   #2
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rvitko's Avatar
Join Date: Apr 2000
Location: Austin Texas USA
Posts: 35,553
The magnet cannot rust, it is ceramic, the most probable would be that some iron is stuck to the magnet, GFO dust is a common source and this can just be cleaned off. From the photo you are missing the rubber part of 3005.740.

Roger Vitko
Tunze USA

"He's for every one of us, stands for every one of us, he'll save every man, woman and child in a mighty Flash!"

Current Tank Info: 210 gallon planted tank with Altum Angelfish
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