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How To Tighten Up A Sloppy Second Hand Dremel

Step 3The fix

The fix
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First peel the rubber boot off the back bearing, now cut some narrow strips of paper tape (masking tape, painters tape, whatever). Wipe the grease off the outside of the bearings, and wrap two to three turns around the bearing, replace the rubber boot and reassemble.

After doing this my Dremel now has no visible play in the spindle.

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3 comments
Jan 7, 2012. 4:06 PMb0bb0 says:
TUA,

I just bought a "good condition" used Dremel 395 online, and when I turned it on it sounded horrible. My wife, said, "That sounds terrible! You aren't going to keep it, are you?" I mumbled something to her and thought, bad bearings. I was pissed.

On my search for where to get bearings and how to replace them, I ran across your fix. Mine sure had more play than I could blame on bearings. Based on the "cost" of your fix, I gave it a shot on the front bearing only since the rear one seemed OK.

Five minutes later the thing sounds brand new! You saved me a WHOLE lot of trouble! Thanks!

BTW, the bearings seem to be in great shape. I wonder how many of these things got thrown out over the years for lack of a piece of masking tape.

b0bb0
Sep 7, 2009. 9:29 PMeric m says:
Always wanted to know what the insides looke like of the dremel. couldn't find anything on google images. ignore below. Inside Dremel. Inside a dremel. Repair dremel. Repair a dremel. Disassembled Dremel. Disassembled Dremel. Disassembled Dremel.
Feb 2, 2008. 3:29 PMjohn917v says:
Nice, good Instr! What I like most about this, is the low-$ approach! I can't get enough of that!

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Author:Tool Using Animal
I'm a graduate of the University of Central Florida with a degree in Mechanical Engineering, I am currently working on my Master's. Otherwise, I enjoy building things, designing the things I'm going ...
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