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PostPosted: Thu Aug 22, 2013 6:01 pm 
Devout Dirtbag

Joined: Tue Aug 28, 2012 11:54 am
Posts: 118
Location: Oxford
I'm reassembling an old Peugeot bike which is fitted with Peugeot branded simplex derailleurs. The rear derailleur looks like this (but much dirtier!):

http://i.ebayimg.com/t/Peugeot-Simplex- ... ~60_58.JPG


I can't figure out how to tension the spring in the upper pivot as it seems like the short end of the spring which attaches to the hex bolt (not the longer end that attaches to the derailleur body) is slipping. Can anyone explain how to tension the spring and which way that teardrop shaped washer which has two tabs differently sized tabs facing in opposite directions is involved?

Failing that, can the derailleur be re-assembled correctly without fitting it to the bike? If so, I may just take it to the LBS.

Thanks!


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PostPosted: Fri Aug 23, 2013 10:29 am 
Devout Dirtbag

Joined: Tue Aug 28, 2012 11:54 am
Posts: 118
Location: Oxford
Here are the actual parts in question.

Image


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PostPosted: Fri Aug 23, 2013 4:35 pm 
Retro Guru
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Joined: Sun Mar 17, 2013 10:25 pm
Posts: 1262
It could be that the end of the spring has broken off causing it to slip


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