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  1. balerguy

    motor failures

    my mistake. There is a differance between no load and load. the no load readings are as follows no load amps A 17.45 B 13.49 C 13.50 under load Amps A 17.62 B 13.08 C 13.84 After monitoring today the voltage does not vary more then 1 volt during 4 hours of run time Amp loads vary less then...
  2. balerguy

    motor failures

    Sorry it took so long to get back.. It's along way from anywhere so it took me time to get back to the machine. The motor that failed was wired correctly (low voltage) The Ph-Ph voltage readings are as follows: Without load Line A to B 250 volt Line A to C 247 volt Line B to C 242 volt Under...
  3. balerguy

    motor failures

    I've got a can crusher in the recycling industry with a 7 1/2 hP motor that has had 3 failures since we've put it in operation. This motor operates a blower that "typically" runs at close to full load motor amps. First one failed, the machine was replaced, then the newer (still a early 90'...

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