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Old 06-26-2008, 09:36 AM
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Re: Rear hub nut tightness questions.

Quote:
Originally Posted by Ron Green View Post
I do not back the rear nut off only the front when adjusting the wheel bearings. I recently did some rear end work on my amphi and found that to pull the axle through you need to use the proper tool and really tighten the nut. Backing it off would only loosen things eventually. I used an air impact to tighten the nut which lined up the hole and allowed the wheel to spin freely.
I have seen many an Amphi with scars from loosing a rear hub. It is VERY important to make sure that rear hub is TIGHT. The correct tool will pull the axle into position. DO NOT use the hub nut to do this. It won't be tight enough and you will be weakening the threads and at some point the nut can crack or just strip the threads. That would be very bad!

I try to use a new nut if there are any signs of wear. The rear hub should be tightened with an impact. I try to align the slots in the castellated nut by going to the next slot rather than backing off to install the cotter key. The front hubs need the pre-load set so you have to back it off a bit so you dont burn up your bearings. Be sure to recheck them after a few miles.


        
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