Pewnie nikt, ale może w tych materiałach znajdziesz jakieś wskazówki
http://www.homemodelenginemachinist.com ... hp?t=16886
https://www.google.pl/search?q=Linear+O ... ale+repair ( https://www.google.pl/search?q=Linear+g ... gA&dpr=1.2 )

http://archives.sensorsmag.com/articles/1199/54_1199/
http://www.anaheimautomation.com/manual ... DpKTr.dpbs
http://moticont.com/one-micron-optical- ... module.htm ( http://moticont.com/optical-encoder-module.htm )
http://www.heidenhain.us/enews/stories_0712/main-el.php
http://www.electronics-tutorials.ws/io/io_2.html