BobsCNC QUANTUM MINI Assembly Manual page 105

Step 5d Temporarily place the Belt Retainer through
the large opening in the Gantry Frame as
shown below.
Step 5e Slide the Y Carriage past the Belt Retainer.
Position the Y Carriage so that it is
immediately in front of one of the large
openings in the Gantry Frame. Align the
rectangular opening in the Z Carriage with the
opening in the Gantry Frame by manually
turning the Helical Coupler at the top of the Y
Carriage to lower the Z Carriage.
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