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Old Aug 4, 2014 | 07:36 PM
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Billy22Bob
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Default Re: Pulley change - tips tricks please.....

Originally Posted by Lenin
I use this strap wrench. Works fine all the time. BOA BO13010 Constrictor Aluminum Strap Wrench - Adjustable Wrenches - Amazon.com You already know what can happen using your #1 method.
Before putting the pulley back on, you can spray some lubricant, but hitting it a few times with a rubber mallet is fine too.
A gap of 0.9mm is way to much and you should address it immediately. The gap should be 0.25mm-0.3mm.
And don't use the air gun for the pulley. it will bite you in the rear one day.
Thanks L

Yes - that's one I was looking at. Just gotta make sure it can fit over the 120mm magnetic.

PS - 0.9mm is too large...? what is the consequence?
I'm still trying to understand the mechanics of this. I'm guessing the magnet pulls the backing plate hard up = engages. If the gap is too great - it wont make "good contact" or it may warp and fatigue over time....

Am I on the right track?
 
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