Introduction

The A.O. Smith Model 91 AC Motor has the following specifications:
  • Diameter - 3⅜"
  • Description - MODEL-SFHP-3.3
  • Horsepower - 1/15
  • Current - 2A/1A
  • Frequency - 60Hz
  • RPM - 3000
  • Voltage - 115/230 VAC
  • Number of speeds - 1
  • Motor type - shaded pole
  • Frame size - 3.3
  • Phase - 1
  • Enclosure - TEFC
  • Bearings - Ball
  • Rotation - Clockwise
  • Shaft - stainless steel
  • Comes with built in cooling fan, and we must say, an exceptionally long shaft length of 5"

Replacement of a Burnt Out Model 91

This is the burnt out motor:

Burnt out A.O. Smith Model 91

And this is what the burnt coil (on the left) looks like:

Burnt out A.O. Smith Model 91 coil

The enamel on the coil has completely turned into soot.

Last updated on 27 Jun 2012
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