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01-06-2012, 07:42 PM
Replies: 41
Views: 31,034
Posted By Bennett

Thanks for the compliment, but that was only the...

Thanks for the compliment, but that was only the second motor I've ever pulled apart! :) It's not really something I had considered before, since I really only know the self-taught basics. I feel...
11-20-2011, 05:39 PM
Replies: 41
Views: 31,034
Posted By Bennett

Usually cleaning and oiling is just about what...

Usually cleaning and oiling is just about what you need to do. :) Most of the machines that I use, I haven't cracked open the motor. I have just had a couple here lately that are so nasty and...
11-19-2011, 09:35 AM
Replies: 41
Views: 31,034
Posted By Bennett

What I think would make it a project I wouldn't...

What I think would make it a project I wouldn't (at this point) tackle would be:
1. Major wiring problems like bare or broke wires inside the motor. Mostly I'm just not sure what would go where,...
11-19-2011, 09:23 AM
Replies: 41
Views: 31,034
Posted By Bennett

Believe me, the first one I tried this on was on...

Believe me, the first one I tried this on was on a project that couldn't be hurt, it was in such bad shape. That made it easier! I still haven't take apart one of the Singer motors lying around...
11-18-2011, 02:55 PM
Replies: 41
Views: 31,034
Posted By Bennett

Last post, motor housing all together, new plug...

Last post, motor housing all together, new plug on. The final step is to plug it in and make sure it runs, then put it back on the machine. Good luck!

288973
11-18-2011, 02:52 PM
Replies: 41
Views: 31,034
Posted By Bennett

On my motor, I had to replace the plug. This is...

On my motor, I had to replace the plug. This is about the extent of any electrical work I do, but it wasn't very difficult.

Now you just have to put it all back together. This is where the...
11-18-2011, 02:49 PM
Replies: 41
Views: 31,034
Posted By Bennett

Now it's time to clean the rest of the motor. I...

Now it's time to clean the rest of the motor. I try to remove as few parts as possible, so I didn't undo any of the electrical components. Remove as much grime as possible. I use cotton wrapped...
11-18-2011, 02:48 PM
Replies: 41
Views: 31,034
Posted By Bennett

Then comes the fun part involving power...

Then comes the fun part involving power tools--polishing the copper commutator. This can be done with a pencil eraser, but the sandpaper works great to clean and polish the copper. Clean copper is...
11-18-2011, 02:47 PM
Replies: 41
Views: 31,034
Posted By Bennett

When you are able to pull out the armature, be...

When you are able to pull out the armature, be careful--there are probably a number of small washers around the shaft. Don't lose these! They may not be obvious if your motor is really grimy and...
11-18-2011, 02:45 PM
Replies: 41
Views: 31,034
Posted By Bennett

Now, look for some screws that hold the outside...

Now, look for some screws that hold the outside housing together. Remove these and take off the parts of the housing that you can. What you are looking to eventually remove is the armature. This...
11-18-2011, 02:42 PM
Replies: 41
Views: 31,034
Posted By Bennett

Also, you will probably have to remove the motor...

Also, you will probably have to remove the motor pulley before taking off any of the housing for the motor. This is the place where the belt rests. Look for a small set screw holding it onto the...
11-18-2011, 02:41 PM
Replies: 41
Views: 31,034
Posted By Bennett

Remove the motor from the sewing machine. Now...

Remove the motor from the sewing machine. Now remove the the carbon brushes if they are accessible from the outside of your motor (some are removed from the inside and not visible outside). Look...
11-18-2011, 02:40 PM
Replies: 41
Views: 31,034
Posted By Bennett

Basic motor cleaning tutorial

I thought I'd share what I've been learning about basic sewing machine motors. First off, I am self-taught, so not an expert and certainly don't know everything there is to know about small motors. ...
Showing results 1 to 13 of 13


 
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