>>> shazzbat wrote:
>>>> I recently acquired a ****mano mountain bike. I've replaced the bottom
>>>> bracket and it's bearings and now turned my attention to the rear
wheel
>>>> which had a lot of play in it. It's a 26" wheel and has a set of 6
>>>> sprockets attached. Removing the spindle, I found it to be deeply
scored
>>>> and the cone on the sprocket side badly mangled. Getting a new
spindle
>>>> and cones isn't a problem, but it seems to me there's probably
something
>>>> missing from the set-up, as there's a big gap between the cone and
the
>>>> housing, so even when I refit the spindle, cone and bearing balls,
it's
>>>> not going to take up the play. When I took it apart, the balls were
>>>> around the outside with enough room for the cone to pass right
through.
>>>> Is there somewhere I could check out a diagram online to see what's
>>>> missing?
>>>> And how is the group of sprockets removed? Not that I need to right
now,
>>>> but I'd like to know for future reference.
>> "A Muzi" <am@[EMAIL PROTECTED]
> wrote
>>> Most probably a freewheel hub, although possibly a cassette system.
>>> Either would have a cracked or eroded right side dust cap if it was
>>> ridden much with a bearing problem.
>>> Freewheels remove with a tool which holds the inner body and are
specific
>>> to the freewheel model. Cassettes of that era disassemble by
unscrewing
>>> the small gear. Either a more thorough description or a consultation
with
>>> a competent LBS would be helpful.
>>> Do clean and inspect the cup inside the hub before going much farther.
If
>>> it was ridden loose for a while you may have damage there, the bearing
>>> diameter being much larger after the cup erodes or cracks. I couldn't
>>> tell from your description if it was a bearing cup problem or a
missing
>>> dust seal.
> "shazzbat" <shazzbat@[EMAIL PROTECTED]
> wrote
>> Many thanks for that. I think there may be both a cup problem and a
>> missing dust seal. Mine is more like the one here -
>> http://bernd.sluka.de/Fahrrad/****mano/TM/FH-MJ10-6NT_1994.gif
shazzbat wrote:
> Right, I've put some pics here -
> http://s163.photobucket.com/albums/t282/shazzbat3/bike%20stuff/
> I'm now not convinced that the cup for the bearings is there, there's
> certainly far too much room for the balls and the cone.
Yes, that's a UG freewheel. The removal tools is cheap and ubiquitous
but get a service manual! (online or dead trees, whatever). We can't see
any detail on the cones (you should look closely) and you can't see the
right side cup yet.
There's no indication yet that anything is awry.
--
Andrew Muzi
<www.yellowjersey.org/>
Open every day since 1 April, 1971
** Posted from http://www.teranews.com
**
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