Stenner pump not working/noise troubleshooting

Support forum for chlorination pump operations, specifications, and their parts.

Stenner pump not working/noise troubleshooting

Postby tsanidas » Sun Oct 12, 2014 7:52 pm

Hi all. I have an adjustable Stenner pump 85 series that's no longer pumping. The head doesn't turn, but the motor is running and making a much higher pitched sound than normal. I ordered and installed the motor service kit, thinking that was the issue, but it still had the same problem after that. I removed the pump head and tried to run the motor, and it still made the noise, so I think it is either something with the gears or the feed rate control. Based on the advice from the Stenner videos, I reversed the wheel inside the feed rate control piece when I installed the motor service kit. Before I go replacing this thing piece by piece, is there any better steps for troubleshooting this issue?
Thanks in advance.
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Joined: Sun Oct 12, 2014 7:32 pm

Re: Stenner pump not working/noise troubleshooting

Postby dcohan » Mon Oct 27, 2014 2:44 pm

Sounds like a bad gear in the gearcase. Part # is MP6N080, but you need to check the other gears and the gear posts plus look for a crack where the output shaft comes through the housing
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