User manual
Makeblock Music Robot V2.0 User Guide 
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2.6  Install the timing pulley and add into sliding rail section 
Prepare 2 x timing pulley wheels and add them onto sliding rail section. 
(Note: Please make sure the Timing Pulley 62T install at the same side of stepper 
motor, the Plastic Rivet R4120 side forward to the stepper motor.) 
Figure 20 










