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PostPosted: Tue Mar 05, 2013 2:58 pm 
Retro Guru
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Joined: Tue Aug 14, 2012 4:51 pm
Posts: 2277
Location: Llantwit Major
The adjuster screws on my front mech are a bit buggered. Tried to remove them last night with a better screwdriver. But the won't move. How can I remove them to swap them with a newer set?


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PostPosted: Tue Mar 05, 2013 3:04 pm 
Old School Grand Master
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Joined: Sun Aug 21, 2011 11:57 pm
Posts: 4074
Location: Antwerp, Belgium
Sometimes you can take a really sharp screwdriver and a hammer, and beat a new groove into the head which you can then use to carefully remove the screw. However sometimes it's just impossible.

I had the same problem with one of the screws on a rear mech. I ended up filing down the bits inside the mech's cage to adjust the maximum travel.
If I ever swap bikes or need to adjust the travel on that mech again, I'll just have to buy a new mech.


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PostPosted: Tue Mar 05, 2013 3:10 pm 
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Joined: Tue Aug 14, 2012 4:51 pm
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Location: Llantwit Major
I think it maybe a new mech job (ooh sounds kinky).


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PostPosted: Tue Mar 05, 2013 6:56 pm 
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Joined: Tue Nov 14, 2006 8:11 pm
Posts: 1181
Location: Hobbiton-on-the-Water
Had this happen to me. Remove front mech, then wedge allen key into mech so adjustment screws aren't weighted by the mech (does that make sense? Can't think how else to describe it).Try tightening slightly with a screw driver/ needle nose pliers. Apply liberal dose of lube/plusgas/gt85 etc as needed. Then loosen.
Replaced all of mine with Ti hex head socket bolts. Hex head socket bolts are so much better. Wonder why Shimano don'ty spec them (everything else is hex key)?


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PostPosted: Tue Mar 05, 2013 9:14 pm 
Gold Trader / MacRetro rider
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Joined: Thu May 06, 2010 10:05 pm
Posts: 5655
Location: Aberdeen
Got a dremel? you may be able to use a cutting disc on the dremel to cut a new "groove" into the head, then undo it with a flathead screwdriver. Those screws are pretty small though, so even with a steady hand it might be a tough job even with a dremel.


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PostPosted: Fri Mar 08, 2013 4:13 pm 
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Joined: Sun Oct 21, 2012 4:34 pm
Posts: 1396
Location: worthing
Hi ,
where are you based ? i have something like this that has worked well for me in the past ,
http://www.amazon.co.uk/gp/product/B000 ... d_i=468294

if your close by your welcome to borrow it .

Cheers paul


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PostPosted: Fri Mar 08, 2013 4:42 pm 
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Joined: Tue Aug 14, 2012 4:51 pm
Posts: 2277
Location: Llantwit Major
shinobi wrote:
Hi ,
where are you based ? i have something like this that has worked well for me in the past ,
http://www.amazon.co.uk/gp/product/B000 ... d_i=468294

if your close by your welcome to borrow it .

Cheers paul


I'm in South Wales sadly. The mech is ok at the moment. Its set up properly but it's an irk.


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PostPosted: Sun Mar 10, 2013 8:28 pm 
Old School Hero
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Joined: Tue Jul 31, 2012 10:56 am
Posts: 234
Location: Cambridge
The Grab-it is great but I don't know if it would work on such a small screw.
You could also have a look at the following from screwfix:

http://www.screwfix.com/p/screw-extract ... tAod8nEAYA


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