SOHC.co.uk Forums > CB350/400
Front wheel spindle locking solid
hairygit:
Depending on the bike, you can end up with both the old and new bearing wedged in doing that, and the only way to get them out involves damaging both, that's why I use a socket!
Chris400F:
Agreed, a degree of caution is necessary.
I think the socket I had was slightly smaller than the bearing hence use of the old bearing which didn't matter if it got damaged.
Sometimes it's a case of doing the best you can with the tools (or improvised tools) that you have available.
Green1:
--- Quote from: hairygit on July 04, 2016, 02:51:33 PM ---Depending on the bike, you can end up with both the old and new bearing wedged in doing that, and the only way to get them out involves damaging both, that's why I use a socket!
--- End quote ---
Thats what I did when changing the rear bearings in my Dads Triumph ::)
Second time round I froze the bearings and heated the hub and they just fell in.
Mick
Chris400F:
--- Quote from: Oddjob on July 04, 2016, 04:09:27 PM ---As another option, have you tried inserting a finger into the bearings with the spindle removed and seeing how much play there is in the inner spacer, there was always a little in that it was never a real tight fit. If yours is quite loose it would point to the bearings not being fully located.
--- End quote ---
As I recall there is only a shoulder for the bearing to sit against in one side of the hub.
You fit the first bearing so it is up against this then flip the wheel over, insert the spacer and fit the other bearing.
I found some 'generic' All Balls wheel bearing fitting instructions, which look pretty similar to the ones that came with my bearing kit, which state "Drive the second bearing in until the inner race just touches the center spacer".
I was told to ensure the spacer wasn't bent before fitting the new bearings, which I did.
I don't recall the tangs being long enough to interfere with the bearing, when bent or otherwise, but don't have a hub in pieces to have a closer look.
The instructions worked for me and these were the first wheel bearings I had ever replaced! (Thought I ought to have a go sometime ....).
Generic instructions here if they are any help: http://www.cyclepedia.com/manuals/online/cpp-all-balls/installation-guides/motorcycle-intallation-guides/motorcycle-wheel-bearings/
Also maybe some useful comments in this thread: http://www.sohc.co.uk/index.php/topic,9736.msg68963.html#msg68963
Laverda Dave:
Success ;D ;D ;D.
I made up a 42mm drift from a piece of solid nylon bar (I actually bought it months ago to make some hinges for the front gate but had enough left to make the drift). This fitted the outside bearing race perfectly. I was able to give the drift and bearings some seriously heavy thumps with a bolster hammer. The bearing on the side of the dust seal moved about .5mm but it was enough to give the free play in the spindle I needed. I did check the spacer to bearing fit after and pleased to say the spacer does still have some free play, not much but enough for it to self centre when the spindle is inserted.
Thank you to everyone for the advice, very much appreciated. What a great forum and bunch of people on here :).
Dave
PS - If it wasn't for my little Myford lathe I couldn't have made the drift (or the gate hinges ::)), seriously, everyone should have a lathe worth their weight in gold ;D
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