Yamaha 3-axis model User Manual

11-20

4) First attach the belt to the small pulley, and then fit it onto the large pulley.

5) Temporarily fix the motor plate installation bolts while pulling on the motor

case.

Motor case

Motor plate 
installation bolt

6) Refer to “Chapter 11 7-1-2. Adjusting the speed reduction belt tension” and

adjust the belt tension.

7) Install the belt cover.

Confirm that the large pulley teeth and belt teeth are correctly engaged. Positional
deviation or premature belt damage could occur if the teeth are not sufficiently
engaged.