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The Magic Cafe Forum Index » » The workshop » » Replacing an Electric Motor (0 Likes) Printer Friendly Version

Peter McMillan
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St. George, Utah
504 Posts

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I have a band saw with a 2.5a 1/3 HP induction motor. It bogs down and I would like to replace the motor. Upgrading to a unit with a 1/2HP is a bit expensive and wondered if I could just replace the 1/3 with a 1/2.

Has anyone done this? Suggestions on making it work?

Thanks.
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remote guy
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Maryland
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Hey Pete,

You can upgrade to a 1/2 HP motor. Just be sure the rpm's are the same. Your amp draw will go up with the new motor. It would be ideal if you could check with a amp meter to be sure you are not drawing more amperage than the data plate reads. If you have a variable pitch pulley on your existing motor the amps can be adjusted by adjusting the pulley.

Nick
remote guy
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Maryland
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Hey Pete,

I just realized you wrote "band saw". A band saw would not have a variable pitch pulley.
You should not have any problems with the amperage.

Nick
TheRaven
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Compare specs on new bandsaws with 1/2 vs 1/3 hp motors and see what else is different. Might give you some useful info.
Peter McMillan
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St. George, Utah
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Good tips guys, that give me a good start. I'll start checking sources for the upgrade.

Pete
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wa-na-be
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I would suggest you check out the rpm of the motor. If it is too fast it can throw the belt off the bandsaw wheels
Peter McMillan
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St. George, Utah
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Will do Wa-na-be. Thank you.
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Mr. Danny
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North Central Louisiana
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Go to Grangers and just tell them what you are wanting to do. They can look up your motor and also the new one and check for shaft size, motor base hole patern, etc. Should not be a big problem. Be sure to get all the info from the tag on the orginal motor.
Peter McMillan
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St. George, Utah
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I'll check to see if we have a Grangers around St. George. Thanks.

Pete
Spiritus Dictum Artifacts ~ Tools of the Craft for Serious Workers http://petemcmillan.wixsite.com/sd-artifacts/artifacts
Mr. Danny
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North Central Louisiana
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Your welcome, let us know how it goes.
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