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Woodruff key, how tight?

Posted: Wed Mar 26, 2014 7:50 pm
by 10 inch Terror
As above please. How tight a fit should a woodruff key be in the key way? I've just fitted one and it is very tight and won't move in the slot without a little persuasion. I'm also sure it's stopping the flywheel pulling fully home....

Re: Woodruff key, how tight?

Posted: Wed Mar 26, 2014 7:59 pm
by eden
They often need a tap in to turn them in the keyway to get them out, just make sure there isnt any s**t in the keyway. you probably know its not the key that prevents the flywheel spinning on the tapper but its worth saying I ALWAYS grind paste an unmatched flywheel and tapper to ensure the tapper is a good fit to the flywheel!
It only takes a short time and as long as the nut is torqued up you know it will never slip :)