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Old 04/29/2021, 06:50 AM   #2
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Join Date: Apr 2000
Location: Austin Texas USA
Posts: 35,752
Yes, this is the likely culprit, what tends to cause this is the motor seized previously and the bushing was spun, it could be the rubber sleeve is worn, if so if you take the bushing from the front impeller cover, it will usually then fit properly and stay. It can also be the seat was deformed by the friction and heat, in this case we have an oversize repair bushing that can fix this problem.

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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