wheel bearing adjustment

PostPost by: rdssdi » Thu Dec 20, 2012 8:09 pm

I have cleaned and repacked my front hub and bearings. I installed the rear seal with the felt washer facing out and placed the hub onto the stub axle. When i fit the outer bearing and washer and tighten the castle nut I cannot get the hub to get stiff or bind. I dont want to tighten the nut too heavily.

What is going on? I did notice that the metal lip of the seal is slightly proud of the top of the hub. I have several now seals which have a smaller lip than the seal that is presently on the hub.

Any suggestions?

Thanks

Bob
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PostPost by: Peter +2 » Thu Dec 20, 2012 11:05 pm

As you mention the seal consists of the metal ring with the felt insert. I seem to recall that not all replacement seals have the correct size metal ring. I got around the problem by separating the felt from the new seal and combining it with the old seals metal ring.

It worked for me.

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PostPost by: rdssdi » Thu Dec 20, 2012 11:11 pm

That is interesting. I have a new set of seals.

The height or thickness of the metal cup differ on each set. The set I have installed is taller than the new set. What was the primary dimensional difference from the original?

I may have the original buried in bins of old +2 parts.

Bob
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PostPost by: CBUEB1771 » Thu Dec 20, 2012 11:55 pm

Bob,
I am not sure how having the wrong seal would prevent you from tightening the castellated nut enough to cause drag or binding. Could there be a burr on the thread of the stub axle that is keeping the nut from running in far enough? I suggest that because you said you didn't want to tighten the nut too much (I wouldn't want to either).
Russ Newton
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PostPost by: rdssdi » Fri Dec 21, 2012 1:35 am

The threads are fine.

I will have to look closely tomorrow. Could be the felt ring is not positioned around the hub properly. I will try removing the felt and then assembling. Possibly I may have to position the felt ring before the hub is offered to the spindle.

Bob
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PostPost by: oldelanman » Fri Dec 21, 2012 8:46 am

Hi Bob,
Sounds to me like the washer may be bottoming out on the shoulder of the stub axle before contacting the bearing. I seem to recall that my washers had a chamfer on the inner diameter on one side, if yours are the same check you've fitted them with the chamfer on the inside - towards the bearing.
Roger
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