Question about AO Smith 1.5 hp 3450rpm 56J Frame 115/230 Volts Hayward Northstar Swimming Pool Pump Motor - Electric Motor
Making knocking noises
Impeller could be plugged?
Diffuser may have become misaligned and hitting the impeller?
May have sucked up some foreign debris?
Knocking could be a bad bearing.
Posted on May 18, 2014
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Posted on Jan 02, 2017
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