BobsCNC Quantum Max Assembly Manual page 105

Step 2e Align the tabs of the Gantry Assembly with the
slots in the Gantry Top (QG8). Carefully fit the
top in place and secure with twenty-one M4 x
16 Machine Screws and Nuts as shown.
Step 2f Align and insert the tabs of the two Gantry
Back Braces (QG6) into the slots of the Gantry
Assembly and secure each with three M4 x 16
Machine Screws and Nuts as shown. Repeat to
install both braces.
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