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Unread 04/07/2021, 07:10 AM   #5
rvitko
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Join Date: Apr 2000
Location: Austin Texas USA
Posts: 35,785
Do you mean the metal shaft in the pump is loose? It should be rigidly fixed in the motor and not come out, if it comes out and cannot be reseated firmly, the motor is ruined.

If the metal shaft stays in, the fix is it remove the drive unit, 6055.700 (magnet with propeller) and soak the motor and propeller in vinegar and water until all deposits are removed, calcium and dried salt will accumulate on the metal shaft and the hole in the middle of the propeller, if not disassembled prior to soaking, the space is too small to get these parts thoroughly cleaned.


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Roger Vitko
Tunze USA

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Current Tank Info: 210 gallon planted tank with Altum Angelfish
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