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Any suggestion on how to unscrew the head of the servo off of the tube? The book says to use a strap wrench. I tried that and I broke the strap wrench in the process. I've used a vise, tried hitting it, heating it, freezing it, but it still doesn't move. The nuts are loose, but the head of the servo will not loosen. Yes, the set screw is removed. The problem is, the servo tube has no place for a wrench to grab on since it's round.
I've also soaked it in WD-40. Should I try 3 in 1 too?
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