C) Align the two mounting holes of the wood tray 2 with the holes on the front of
the unit. Insert one M6 × 12 head screw and spring washer 6 into the mounting
hole on the right, and the other M6 × 12 head screw and M6 locknut on the left
and tighten securely. Remove the capscrew and nut on the right side of the
front leg, insert the open end of the spacer 1 onto the screw, then tighten the
nut.