Author Topic: B33 main bearing circlip  (Read 513 times)

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STEPHEN TAYLOR

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B33 main bearing circlip
« on: 30 March, 2017, 09:22:24 »
I'm replacing the main bearings on my B33. The outer drive side bearing has a circlip. The one fitted to the bike had a 'cut away' so that you could lever it out. When I tried to get it out the cut away and a small section broke of. Does anyone have an idea of how I can get the circlip out? I've tried drilling a small hole in the circlip but because it's hardened it just blunts the drill bits.
Thanks


Bess

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Re: B33 main bearing circlip
« Reply #1 on: 30 March, 2017, 11:03:38 »
Hi,
     Try using a carbide tip drill, eg:

http://www.axminster.co.uk/proxxon-3-piece-tungsten-carbide-milling-bit-set-476993?gclid=Cj0KEQjw2fLGBRDopP-vg7PLgvsBEiQAUOnIXILltUbZUI3YiTLbeivffbxhBgM3YQTl8TMDszEmoCUaAj0J8P8HAQ

After drilling I would ensure the clip is free to rotate in its groove before trying to remove with circlip pliers, it may be seized or have sideways pressure from the bearing.

Good luck..........
« Last Edit: 30 March, 2017, 11:10:40 by Bess »

STEPHEN TAYLOR

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Re: B33 main bearing circlip
« Reply #2 on: 30 March, 2017, 19:29:11 »
Thanks- I should have thought of that!

Bess

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Re: B33 main bearing circlip
« Reply #3 on: 30 March, 2017, 19:52:33 »
Hi,
     Your welcome.

 I have struggled in the past for hours with sharpened screwdrivers and O ring removal tools.  I have a Maplin rotary tool that has come in handy when using the carbide bits.

Hope all goes well...............