Motor Swap On A 6x12 Surface Grinder - Grizzly 5963
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- Опубліковано 2 жов 2024
- After messing up the wiring and smoking this new motor, I figured I would show the process to remove and re-install the new motor on this 6x12 Surface Grinder. Mine is a Grizzly model 5963 but this casting and design is used on many different brands of 6x12 Surface Grinders.
These Permanent Split Capacitor (PSC) motors seem to be good quality, but the instructions say not to move any of the wires during the 115V to 230V conversion, which is only true if they put the wires in the correct place from the factory. Because there are jumpers, the wires can go in a couple of different places, and when you change to 230V you may have to move some wires to correct their location after moving the jumpers. You can see the full details of the wiring issue on another video on my channel.
Grizzly customer service and warranty department was very helpful and accommodating providing a replacement motor.
All wiring should be completed by a certified electrician and I am not a certified electrician. Use of this information and any wiring you complete should be done by or supervised by a certified electrician.
Thanks for watching, I hope this helps if you need to swap out the motor on your surface grinder, if you do, I hope your swap was after many years of use and grinding and not just 90 seconds of run time.
I have the Harbor Freight version of this grinder. I have 5 different wheels I use with my grinder that required buying more hubs. I have never taken off the back of the motor when changing hubs because HF provided a spanner to use with mounting or dismounting the hubs. Taking off the back of the motor seems awkward. Also, was there some advantage in running the grinder on 220v? Perhaps you didn't have a 110v outlet available?
Phil Teague - Thanks for the comment and question. I have the spanner wrench, I guess since my wheel came loose there was not enough to hold on to to loosen? Has been a while I will check next time maybe I don’t need to hold the back of the shaft from turning? That was all I took the cover off for. As for why 220. I had a 220 outlet close and my thought was it would draw less amps on 220 and maybe run cooler. I had converted another motor to 220 with nonissue so s was med like a good idea at the time. After the fiasco, hindsight being what it is, yes, 110 would have been a better idea maybe. 😀
Hello; do you happen to have the motor part number ? I have searched for it on Grizzly's site and couldn't find it. Thank you !
@mihailfelixdumitresc - Sure, on the receipt they sent with it they have P5963067 Motor 3/4HP 110V/220V 1-PH. Hope that helps, thanks for the question.
@@BladesIIB Thanks a lot ! I appreciate it ! 👍👍
I purchased one of these units recently after watching you videos. I left mine running on 110 volts and the grinder performs well and motor sounds fine. I did find after running the grinder for about 20 minutes grinding the faces of a 1-2-3 block, the motor and spindle housing were quite hot. Have you noticed this with your machine? Thanks and keep the videos coming.
Steven Marckel - Thanks for the feedback, glad the videos are helpful. I have not noticed much heat, more warmish. I know I checked early on but don’t recall how long it had run. I may not grind anything for another month or so but will be sure to check next time and get back to you. Appreciate the question.
@@BladesIIB I appreciated your quick response. I contacted Grizzly and this was their reply. "This has a class E motor and the normal operating temperature under a load is approximately120 degrees Celsius. " In my estimate, that's about 248° F and I'm sure mine does not run that hot. BTW, I'm really impressed with the machine so far.
@@stevenmarckel5698 That is pretty toasty. Good to know it is designed to run that warm and handle it. Next time I run it I will let you know if any cooler on 220v with less draw.
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OMG, you had fun with that one! Can't wait to see some grinding. That motor casting just needs to have the terminal block rotated 15-20 degrees away from the base bolts Geez, what were they thinking.
Dwayne - Ha yes this has been a journey for sure. Does seem odd how they cast it but I guess it works so they stuck with it. Should have the full unbox, setup and test grind video out on Saturday. Spoiler alert, I am really happy with how it works.