Jump to content

Recommended Posts

Pulled motor on Powermatic 65 table saw, made repairs to elevation gears, reinstalled motor, and it will not run. It just buzzes and tries to turn. I checked switch for loose wires, plugged into wall socket that is running fine on belt sander. My volt/amp meter conked out, so I bought another one that has a clamp-on the cord type tester, but haven't checked it out. According to youtube, I can check capacitor with this tester. Will check it and also to see if a connection on the motor might have pulled out. Any other suggestions? Thanks!

Edited by Ron Dudelston
tags added
Link to comment
Share on other sites

Some motors have starter contacts that use centrifugal force to open and a spring to close them. If dirt gets between the contacts, when the motor shuts down, it won't start up the next time. I had a radial arm saw that would do that. To get it started, I'd wrap a string around the motor shaft- NO BLADE- turn on the switch and pull the string- like starting a mower. The motor would run and I'd used compressed air blown thru the motor fan openings to clean out the dust. Usually it would start up the next time OK.


Not sure if this will help. 

Link to comment
Share on other sites

Here's what I did: I bought a volt/ohm meter since my other one was defective. Checked out youtube on how to check capacitors, confirmed that they were good, pulled end of motor, found points were burned, took 600 grit sandpaper, shined points, reinstalled endcap, fired it up. It ran so sweet that I decided to check my 5hp motor on planer that had been sitting for several weeks waiting on a good deal on a new one of even a used one. Guess what! I found the same thing wrong with this one! When I connected it to a tempory power source, all I could do was praise God for His goodness! Then, the thought came to me: I wonder how many electric motors are thrown away or carried to an electric motor shop and pay a hefty price for a simple repair that almost anyone can do at no cost! Well, this leads me to another motor that has been laying around for a few weeks, but I haven't had time to check it out. Will try to remember to let you know what I find.

Link to comment
Share on other sites

  • 3 years later...

Join the conversation

You can post now and register later. If you have an account, sign in now to post with your account.
Note: Your post will require moderator approval before it will be visible.

Reply to this topic...

×   Pasted as rich text.   Restore formatting

  Only 75 emoji are allowed.

×   Your link has been automatically embedded.   Display as a link instead

×   Your previous content has been restored.   Clear editor

×   You cannot paste images directly. Upload or insert images from URL.

  • Create New...