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As above really - do I need a special tool to get the bearings out? Can't seem to find the service instructions online anywhere.
No, basically, something to support the wheel, a hammer, a drift, something to get the new bearings in with, kerbang. It's just a tube with two bearings and a spacer between them after all... Just make sure when you install the new bearings that whatever you use to press/drive them in rests on the outer race and not just the inner one/seal or you'll **** the bearing.
Ok thanks for that - sorry what is a drift exactly? Something I would put into the hub and **** with a hammer to get the bearings in/out? 😛
as above.
did mine a few weeks back.
remove the cap (qr or 20mm, if 20mm you need to remove the c clips first).
there is a tube inside the hub that rests against the bearings, push this down, then get a drift and knock the bearing. move the tube 180 degree's and knock again, then move tube 90deg and knock and then 180 and knock, repeat until bearing is out.
to get them back in pop the bearing in the freezer for 20 mins and fine a nice socket (21mm i think .... maybe a different size though)
remove from freezer and drift it back in using the socket to support the sides of the bearing make sure it's all the way in though..
job done.
drift one mans drift is another mans screw driver... best to use a real one though
pin punch
[url] http://www.diytools.co.uk/diy/Main/sp-69-7089-59103-stanley-pin-punch-1-4in-x-6in-4-18-234.asp [/url]
a load here
[url] http://www.diytools.co.uk/diy/Main/sc-69-378-punches.asp [/url]
OK nice one, thanks.
I measured up the a socket to push the bearing back in for a m8 at the weekend, a 15/16" socket is just big enough to hit the outer race but fit into the hub... (doing his next weekend)
24mm socket then...
Aha, excellent, I've got a 24mm socket I think from changing my fork spring.
Quick trip to LBS and quick hammering at home and it's sorted, nice one folks!
qahh you used the Birmingham punch then~?? (screwdriver)
indeed. 🙂
Hi,
Can I just confirm I understand correctly....
I've removed the two QR endcaps and can now see the two bearings with a tube between them. Do I just use a drift on one side of the wheel so the bearing on the opposite pops out, then turn the wheel over and somehow (which hopefully will come clear when I get to that bit) drift out the other bearing, again so it falls out the opposite side to that which I'm hitting?)
I've hit the drift a few times with a rubber mallet so far but nothing has budged, and want to confirm I'm doing the right thing and not going to damage anything....
Also if the above procedure is correct, and there is no 'shelf' or anything to ensure the bearings are positioned at the correct distance inside the hub how do I ensure that the bearings are correctly centered when replacing them, or doesn't it have to be exact?
A punch is NOT a drift!
A punch is very hard, a drift is softer than the drifted thing.
I just bought the actual 'tool' kit from Hope, job done.