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UK diy (uk.d-i-y) For the discussion of all topics related to diy (do-it-yourself) in the UK. All levels of experience and proficency are welcome to join in to ask questions or offer solutions. |
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Getting stuck aluminium collar off a steel shaft
I have a small fan motor that I need to replace, the fan is mounted on
an aluminium (I think) collar which is siezed on the shaft. So, what's a good approach to getting it unstuck? I've drilled out most of the grub screw that should be holding it, I doubt that's the issue now. It's just that the collar is very firmly stuck on the shaft. There's lots of "how to get steel studs out of aluminium cylinder blocks" advice I can find on the web but my problem is the other way around. Is there anything in particular that might help apart from all the usual things like soaking in penetrating oil, bashing it, etc.? It's quite small, the shaft is about 7mm (possibly 1/4") diameter. The end protrudes only 1cm or so beyond the fan, I can hold it in a vice quite firmly but the fan is quite flimsy so brute force rotation of that is rather difficult. -- Chris Green · |
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