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Motor bearings squealing at start up then quiet after 20-30 seconds. Motor drawing 24 amps with no load.

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Do not use more greese bearings if not working then replace motor or bearing

Posted on Oct 03, 2009

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Posted on Jan 02, 2017

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The outside unit is making a squealing noise. It's every now and then; not constant. Just started today. What's wrong? The fan is running fine. The air inside is cool. Just a high piercing squeal every now...


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High amp start up draw


I don't care what kind of stories Craftsman tells, their numbers don't add up.
One horsepower is ~ = 740 watts of energy.
2.5 hp equates to a steady-state power consumption of  ~1850W and this could be 50% higher during the first second or two after turn-on.  Your 15 Amp circuit is pushed to the limit by that power level; 15 Amps X 120 VAC = 1800W And, motors aren't a breakeven game; part of the power they draw is wasted in heat.

9 amps steady-state would be a power consumption of over 6kw which cannot be right. Either your measurements or the motor is faulty. 







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