-------------------- Heat
It is the difference in temperature between the shaft and the collar that is important .. not the total temperature.
So you want a lot of quick heat not slow heat. You do want it where your heating it, but something more powerful than what your using.
Temperature wise ... any seal on the shaft will melt if too hot. Oil will start to boil. And the magnets loose strength. I'd limit it to the boiling point of water.
------------------- Impact
Hitting it with a hammer .. where? The hit should be no top of the single long bolt you are tightening ... with the biggest hammer you have. After each hit check the bolt is still tight.
Good luck.
Last edited by Warin; 26 Feb 2018 at 05:00.
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