Ultimaker UM2 Assembly Manual page 19

31. Attatch the motors with 8 M3x-
25mm screws.Use 8 M3 Washers
between the screwhead and the
frame. Start with the top two screws
to make it easier to position the
motor.
32. guide all the cables, both those of
the motors aswell as the endstop ones
down throught the hole in the bottom
o f the frame.
33.
Repeat this entire procedure for the other motor.
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