⚫
Assemble wheel (B+C) to motor, and fix with screw (a). Screwing copper posts
(16_m) and (16_n) to another side for the rest wheels.
⚫
Assemble the wheels and caterpillar track. For wheel (A+A), you should set
gaskets (16_i) to both side of its center hole and fix it to motor with long screw
(16_b)