There are a number of 404 mechanical tutorials in french on a fantastic site created by le Club 404 member and expert contributor Francis - http://francis404technique.free.fr/blog/index.php Here you will find dozens of specific tutorials with detailed photos and explanation in french. We have translated a few of the tutorials below in pdf form.
We hope this section of the site will eventually become populated with short tutorial documents and videos by NA users. We share a few below as a start. Contact us or upload yours directly to our site below. Thanks.