You can use Loctite stud and bearing mount in a case like this. It is
basically a metal glue, designed for this purpose.
Or you can buy a new hub.
Rick
On Mon, Aug 30, 2010 at 2:27 PM, James Schulte <schultejim@msn.com> wrote:
> Folks,
> I think I'm screwed here. I took everything apart and cleaned and air dried.
I
> was putting the races back in when I discovered the outer is loose in it's
> proper position. The inner is snug as it should be. I took the new race out
> and put the old one back in to see if there was a difference. It was loose
as
> well. I don't remember this being the case when I took it apart but I was in
a
> rush and may not have noticed. This may be the cause of the wobble in the
> tire. The old bearing was not scored nor is the bearing spindle. I believe
I
> need to replace the Hub.
>
> Jim Schulte
> VP Lehigh Valley Kayak & Canoe Club
> ACA Instructor
>
>
>
>
>
>> From: paul.hunt1@blueyonder.co.uk
>> To: schultejim@msn.com; mgs@autox.team.net
>> Subject: Re: [Mgs] Front Wheel bearings 70B
>> Date: Mon, 30 Aug 2010 12:14:42 +0100
>>
>> Was it the rollers or the inner ring they run on that was marked? If the
>> latter it could have been because the inner ring was spinning on the axle
>> shaft, but then the nut would have been loose when the split-pin was
>> removed. Insufficient shims causing lack of free play or end-float would
>> affect both bearings in the set equally.
>>
>> There should have been a series of shims between the spacer and the outer
>> bearing. A thick one of 30 thou, then a series of thinner ones at 3, 5
and
>> 10 thou which set the gap. Reassemble dry (easier to judge when there is
>> end-float or not) and don't fit the oil seal, with no shims tighten the
nut
>> to 40 ft lb or until they start to bind to seat the bearings in the hub,
>> then start setting the shims. By juggling combinations 3, 5 and 10 thou
you
>> can get pretty much any thickness in one thou steps from 8 thou up, and
you
>> should need more than that. What you are looking for is one set that
gives
>> just perceptible play, and another set one thou smaller that doesn't. The
>> lower set plus a 3 thou will give you the correct 2 to 4 thou end-float.
>> The shims are not marked, but by using one shim to bend another one you
can
>> tell which is which.
>>
>> When you have the right combination remove the races and pack them by
>> pressing grease in from one side only until it oozes out the other end of
>> the rollers. Patience is required, don't be tempted to speed things up by
>> pressing it in from both sides or you will trap air and have insufficient
>> grease. The smaller outer bearing is more important, centrifugal force
>> tends to throw grease into the larger inner bearing. With the races
>> replaced fit the oil seal, groove and lip facing the bearing, lip greased,
>> with the groove packed with grease. Don't pack the space between the
>> bearings with grease. Refit the hub, spacer, shims, outer race, sealing
>> washer and nut. Tighten the nut to a minimum of 40 ft lb, then to the
next
>> split-pin hole (should be two in the spindle), which should be before 70
ft
>> lb, and insert a split-pin. This *shouldn't* remove the end float. Make
>> sure the play you are feeling is in the hub bearings and not anywhere else
>> like the king-pin bearings etc.
>>
>> PaulH.
>>
>> ----- Original Message -----
>> > I pulled the right front wheel and disassembled the bearings due to it
>> > having
>> > too much play on my 70B. The outside bearing (smaller of the 2 ) was
>> > charred
>> > like it might have been over tightened. I'm replacing it with a new set
> of
>> > bearings. There was a really thin shim that was stuck on the cone shaped
>> > spacer. Not sure what size. Any hints or tips welcome.
> _______________________________________________
>
> Mgs@autox.team.net
> Donate: http://www.team.net/donate.html
> Suggested annual donation $12.75
> Archive: http://www.team.net/archive
> Forums: http://www.team.net/forums
> Unsubscribe:
http://autox.team.net/mailman/options/mgs/richard.ewald@gmail.com
_______________________________________________
Mgs@autox.team.net
Donate: http://www.team.net/donate.html
Suggested annual donation $12.75
Archive: http://www.team.net/archive
Forums: http://www.team.net/forums
|