Thank you very much for the reply Phil.
I had a go today, and did exactly as you explained. It was actually very easy.
I put back the gaiters with lock ties, and everything seems to be fine now.
2013-08-20_12-36-46 par
Voucht71, sur Flickr
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2013-08-20_12-39-31 par
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2013-08-20_13-16-35 par
Voucht71, sur Flickr
Thanks again for the help :-)