fork frame of coker

Hey guys: I'm having difficulty in securing the left fork of my coker. I
have already been through one set of bolts in securing the fork (they
became stripped). It consistently "kicks out" which off sets the
distance between the two sides. I am cranking the bolts until the upper
fork meets the under securing half-moon. Any ideas? Is the frame
problematic? I do mount with right foot, while this shift seat to that
side it shoud'nt disrupt the forks, right?


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tuck
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is it "the Big one?" I got one from UDC recently and they welded it
incorectly so one leg is a couple centemeters lower than the other, so I
just trued the wheel to the right so it's all good now. You shouldn't
overtighten bearing holders or you'll wear out the bearrings faster.


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bought is from some online site.


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tuck
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The bearing may be actually slipping outwards on the axle. That would
cause the frame leg to also move outwards. The solution is to pull the
bearing off the hub and put it back on using Loctite Sleeve Retainer.
See 'this thread' (http://tinyurl.com/8l7u6) for details.

It's a fairly easy fix but does require some specialized tools like a
bearing puller, a tube of Loctite Sleeve Retainer, and a proper diameter
pipe to press the bearing back on with. The tricky part is pressing the
bearing back on without damaging it. It's very easy to end up pressing
on the rubber or metal seal of the bearing while pressing it back on and
that can easily damage the bearing. If you're careful to only press on
the inside race (ring) of the bearing you'll be OK.


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After I did what was suggested, I went riding and the left fork still
moved out toward crank. Now it is stuck in the outer position. Any
ideas? is there a way to remove bearings?


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tuck
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tuck wrote:
*After I did what was suggested, I went riding and the left fork still
moved out toward crank. Now it is stuck in the outer position. Any
ideas? is there a way to remove bearings? *

Use a bearing puller like 'this one'
(http://www.unicycle.com/shopping/shopexd.asp?id=419). A basic bearing
puller is actually an automotive tool for pulling off pulleys off of
shafts in automobiles. You can get the same puller that UDC sells at a
local auto parts store but you may have to shop around to find a similar
model.

You need to pull the slipping bearing off the hub using the bearing
puller. Apply the Loctite sleeve retainer (or red high strength thread
locker) to the hub where the bearing will go. Then press the bearing
back on the hub. Wait about 8 hours for the Loctite to cure. Then go
ride. The bearing should stay in place now. If it still slips then get
a new bearing.


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thanks, but it appears the bearings have set to the hub after it moved
out. is there away to undue the loctite then redue per your
suggestions?


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tuck
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thanks, but it appears the bearings have set to the hub after it moved
out. is there away to undue the loctite then redue per your
suggestions?


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tuck
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tuck wrote:
*thanks, but it appears the bearings have set to the hub after it
moved out. is there away to undue the loctite then redue per your
suggestions? *

Just pull on them with the bearing puller. It'll come undone. The
Loctite bond will break and the bearing will pull off. I've never had
any undo difficulty removing a bearing that has been Loctited on. It
only takes a little more force than pulling off a new bearing that has a
proper dry press fit with no Loctite.

The problem though is that you can damage the bearing by pulling it off.
It can put some nasty forces on the bearing if the bearing does not
pull off easily. But generally when you pull off a bearing you're not
planning on reusing it. You may need to replace the bearing with a new
bearing if it gets damaged. Spin the bearing in your hand after you
pull it off and make sure that there are no rough spots and that it
spins smoothly. If you feel any rough spots then it will need to be
replaced.

Here's a 'FAQ' (http://tinyurl.com/2g3uf) at Unicycle.uk.com about
removing bearings.
Here's a guide by Brian MacKenzie on 'Unicycle Bearing Overhaul Or
Replacement' (http://londonunicyclingclub.ca/bearings.htm)


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tuck wrote:
*thanks, but it appears the bearings have set to the hub after it
moved out. is there away to undue the loctite then redue per your
suggestions? *

Just pull on them with the bearing puller. It'll come undone. The
Loctite bond will break and the bearing will pull off. I've never had
any undo difficulty removing a bearing that has been Loctited on. It
only takes a little more force than pulling off a new bearing that has a
proper dry press fit with no Loctite.

The problem though is that you can damage the bearing by pulling it off.
It can put some nasty forces on the bearing if the bearing does not
pull off easily. But generally when you pull off a bearing you're not
planning on reusing it. You may need to replace the bearing with a new
bearing if it gets damaged. Spin the bearing in your hand after you
pull it off and make sure that there are no rough spots and that it
spins smoothly. If you feel any rough spots then it will need to be
replaced.

Here's a 'FAQ' (http://tinyurl.com/2g3uf) at Unicycle.uk.com about
removing bearings.
Here's a guide by Brian MacKenzie on 'Unicycle Bearing Overhaul Or
Replacement' (http://londonunicyclingclub.ca/bearings.htm)


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