Geeetech Prusa I3 pro W Building Instruction page 53

Shenzhen GETECH CO.,LTD
Step 1.Mount the pulley on the motor shaft and fix it from the flat side.
Note the direction of the pulley: the gear is at the bottom.
Step 2.Mount the stepper motor to the motor end with 3 M3x6mm screws and M3
washers.
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