Point 5: Grease
The rotating part of the chute comes with a really thick layer of grease which at first sight could be judged in a positive way. But as there is no cover you have the choice between snowy grease or greasy snow when cleaning the machine. Finally your broom becomes greasy and the rotating parts loose their lubrication. A simple plastic cover would help a lot.
The marked pin got lost during the second winter and has to be replaced by a screw.