Generator Test Stand

Chris H

Senior Member
One of the items on this winters squawk list was to rebuild the generator. As things turned out, I caught it just in time, as the front bearing was completely missing one ball, and the cage was a mess.

The rebuild went well, and I wanted to test it before installing on the car. I was trying to think of some kind of test fixture that would not end up costing a lot of money, hopefully using something I already had.

As a wood worker, why not use something that had everything I needed to do the job. My wood lathe, with variable speed, enough horsepower, and adjustability. I just built a mount to attach the generator to the tool rest. Used my 1/2 Jacobs chuck to hold a 1/2" bolt with a 3" belt shive. I used the live center to keep the chuck-belt pully in place as shown.

It works great. Most likely someone has already done this before, but I have not seen it.
 

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Looks good.

Just remember if it isn't connected to a car battery the output can reach high volts, like about 30 to 40 volts.
 
Thanks... There is a battery hooked up to the generator, it is on the floor out of view. I was very careful not to run the generator without the battery attached. Running an unloaded generator is a good way to screw up a lot of work.
 
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