SeeMeCNC Rostock MAX v2 Assembly Manual page 135

Now carefully roll the printer such that the other side of the belt clamp is face-up and install the
other plastic spacer, #4 washer and #6-32 screw.
Repeat this task for the X and Y axes. Make sure that while you're working with the belts that
the lower belt doesn't slip off the GT2 drive gear! You're better off catching and correcting it now than
having to take things apart to fix it later!
When you're done installing all three belts, trim the "bottom" belt end to about 1" outside the
clamp. This will give you enough to grab of you chose to tweak the belt tension at that point instead of
on the top idlers.
Rostock MAX v2 Assembly Guide
Fig. 11-13:Belt clamp installed!
Fig. 11-14:Belt following correct path
around GT2 gear.
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