Editing Step 12 —

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Be sure to tighten BOTH set screws

You will notice the shaft of the motor does not fully come to the end of the pully. This is normal. The bottom of the pulley should be sitting approximately 8-9mm from the black flat of the motor.

Tighten down both set screws on the motor making sure one of the set screws is aligned with the flat part of the motor shaft.

Repeat the process on the other 2 motors so all 3 motors have the pulleys on them.

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