Help and Respect

I used Haynes, I used the Desmo Times book, I checked the workshop manual, I followed and article in Classic Bike by a well known Ducati specialist shop. However the only place that told me the top pulley wheel on the rear clinder would jump out of position and would have to be forceably held there, was here:

http://www.ducatisuite.com/beltchange.html

Respect is due...