Link to the MopedArmy wiki page I reference in the video:

http://www.mopedarmy.com/wiki/Repacki...

You can google "Puch Maxi Repair Manual" but there are also useful links at the bottom of the Moped Army wiki page for the Puch Maxi - pages 97-100 have a setup of the order of stuff on the axle, the front has the speedo drive and a nut on the front of the brake plate.

http://www.mopedarmy.com/wiki/Maxi