davidebeard at comcast.net
Fri May 29 05:39:08 PDT 2009
I think there was a trick involved. Drilling a little hole and using a
sheet metal screw to pull out the old seal if I remember right.
Dave Daniels wrote:
> If I remember correctly, it just involves removing the shifter lever,
> prying out the old seal and installing the new one. Correct me Charles.
> --- On *Fri, 5/29/09, David Beard /<davidebeard at comcast.net>/* wrote:
> From: David Beard <davidebeard at comcast.net>
> Subject: Re: Didn't work!
> To: gpzlist at micapeak.com
> Date: Friday, May 29, 2009, 8:29 AM
> You say that after riding 80 miles you have an inch of play in
> the chain. How much play are you setting into the chain to begin
> with? You should adjust your chain so there is between 1" and 1
> 1/2" of play to begin with. If you set the chain too tight, you
> will wear out your chain and sprockets in a hurry. Causees the
> chain to run hot and can ruin a chain very quickly. Too loose is
> better than too tight when adjusting a chain. I don't know if an
> over tight chain will induce a vibration or not. Since it doesn't
> happen until 5 or 10 minutes after you've been riding, is it
> possible you have a bad tire? Possibly out of round or balance and
> after the tires warm up, the problem becomes obvious?
> The oil leak sounds like the usual leak around the shifter
> shaft. That seal is notorious for leaking. Fairly easy to replace,
> though it's been awhile since I've done it. Charles is an expert
> on this problem and can jump in with instructions.
> Dave B
> Guy Ramsey wrote:
> > OK, so I replaced the chain and both sprockets. I still have a
> vibration. It doesn't do it right away, but after running for
> about 5-10 minutes I gradually gets worse. I also still have the
> problem with the chain tension... I set the tension, nothing on
> the rear axle moves and after putting 80 miles on the bike, I have
> about 1" of play in the chain. Oh, and I now have a new oil leak
> from somewhere under the front sprocket cover... This sucks. I
> don't think I'm cut out to be a shade tree mechanic.
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