Non-qd hub diagram - oil seal location, speedo side

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Non-qd hub diagram - oil seal location, speedo side

Postby Mc-Maz » Sun May 13, 2018 8:34 am

I’m in the process of re-assembling the non-qd rear hub on a ’62 Matchless 350 hw. Looking at the diagram (attached) it shows the oil seal (21) on the speedo gearbox side placed outside of the cup for the oil seal (20) – is the order shown in the diagram correct?

Thanks, Sean
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Re: Non-qd hub diagram - oil seal location, speedo side

Postby ajscomboman » Sun May 13, 2018 8:57 am

Yep that is correct, it looks wrong and is different from the brake side and has caught many restorers out over the years. Doesn't help that there is a drawing showing the oil seal in the wrong location just to confuse people. your illustration is the correct one so just re assemble as indicated.

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Re: Non-qd hub diagram - oil seal location, speedo side

Postby Mc-Maz » Sun May 13, 2018 9:33 am

ajscomboman wrote:Yep that is correct, it looks wrong and is different from the brake side and has caught many restorers out over the years. Doesn't help that there is a drawing showing the oil seal in the wrong location just to confuse people. your illustration is the correct one so just re assemble as indicated.


Thanks Rob, 98% of me believed it must be correct but thought it better to check by ‘asking the audience’.

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Re: Non-qd hub diagram - oil seal location, speedo side

Postby ksg » Mon May 14, 2018 9:27 am

Is this the same set up for a 1959. G12

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Re: Non-qd hub diagram - oil seal location, speedo side

Postby Rob Harknett » Mon May 14, 2018 9:52 am

ajscomboman wrote:Yep that is correct, it looks wrong and is different from the brake side and has caught many restorers out over the years. Doesn't help that there is a drawing showing the oil seal in the wrong location just to confuse people. your illustration is the correct one so just re assemble as indicated.

Rob. Please have a look at service sheets for full width hubs. no. 503 504 505. in the archives you will find them in Technical / service sheets. Do all these also show the oil seal in the wrong position. I have had a quick look, but you will see better knowing just what to look for.

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