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Thread: Gmf bench grinder - motor size?
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20th April 2020, 02:33 PM #1Senior Member
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Gmf bench grinder - motor size?
I am looking at a GMF bench grinder, but the label/plate on it is almost illegible. The plate is rectangular but with a semi-circular top). It shows "GMF 8" (so at least it's not metric) UTILITY GRINDER". Does anyone have a GMF with a similar plate, as I need to know the motor size before I jump in. Any clues will be much appreciated.
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20th April 2020 02:33 PM # ADSGoogle Adsense Advertisement
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20th April 2020, 02:46 PM #2.
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20th April 2020, 03:29 PM #3Senior Member
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G'day BobL
Here is the GMF-Grinder-Utility-8in.jpgonly photo I have - taken from the ad. Sorry about the quality. Only other thing that I know is that it's a 240v. Also, would you know if the older motors showed the power as Input (like they do now) or as Output? Sorry if that's like the "string" question but I figured it's worth asking.
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20th April 2020, 04:45 PM #4.
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That looks like a circa 1970'S standard 1HP.
Older motors usually only show the power output, so if they say they are 1HP then then usually are that.
Mine are the 3Phase versions of yours which have very rigid cast iron tool rests.
The 3P motors run extremely smooth if the wheel can be balanced.
Combo1.jpg
I recommend wobble washers if you can get them - check on line.
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20th April 2020, 08:48 PM #5SENIOR MEMBER
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A restoration project!
Hopefully the price is right... At the very least, new wiring. Looks like rubber cable which may very well have perished.
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21st April 2020, 12:32 PM #6Senior Member
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Russ, do you think a typical tight ar**d accountant would buy anything if the price wasn't right?. And if the only problem is old wiring I would be more than happy. Still looking and waiting.
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21st April 2020, 11:53 PM #7SENIOR MEMBER
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Not a lot to a grinder I guess. Assuming the bearings are OK, a quick paint job and it will be like a new one!
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23rd April 2020, 09:30 PM #8Senior Member
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My 240 volt 8" "Heavy duty" GMF bench grinder has a 3/4 HP motor but the 240 volt 8" GMF "Utility" grinders had a 1/2 HP motor according to this photo
s-l1600.jpg
Stewie
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