high adjuster screw not adjusting on deore front mech

jay12
jay12 Posts: 6,126
edited February 2010 in MTB workshop & tech
well i noticed last time i rode the bike that the front mech did not shift propely. so i claned it of all the mud on sunday and i wanted to adjust it today but the high screw when the chain is on the biggest ring doesen't adjust the mech at all. you can turn it all you like but it won't budge.

what should i do?

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