Yamaha DRCX Manuel d'utilisateur télécharger pdf (Page 63)

CHAPTER 5 Installation

5-5

3 Replacement of Motor

Replace the motor if it generates abnormal sounds or vibrations, causes errors or

cannot be positioned correctly.

CAUTION

After the motor has been replaced, the origin position must be set again by

absolute reset, point data setting rechecked, and belt tension readjusted

3-1

Replacement of X, Y, Z axis motors (YP320X, YP330X, YP340X, YP320XR)

The X axis motors for the YP320X, YP330X, YP340X, YP320XR; and the Y axis

motors for the YP330X, YP340X are all installed on brackets. The pulley installs

onto the motor shaft with setscrews.

1) Turn off the controller power.

2) Remove each of the covers.

3) Disconnect the motor power cable and signal cable connectors.

4) Loosen the tautness of the belt, and remove the motor from the bracket. Make

a note of how the motor is facing and the bracket position.

5) Remove the motor from the pulley.

6) Install the new motor using the above procedure in reverse. Coat the set-

screws with Screwlock or equivalent.

7) Apply tension to the belt. It must not be too loose or too tight. (See Chapter

4.)

8) Perform absolute reset to set the origin position again. Adjust the belt teeth

and pulley to their approximate positions relative to each other before re-

placement.

9) Reinstall each cover.

10) Make corrections if any of the point data has deviated.

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Yamaha DRCX Manuel d'utilisateur Page 63