Yamaha DRCX User Manual download pdf (Page 71)

CHAPTER 5 Installation

5-13

4-5 Replacement of Z axis tip section belt (YP320X, YP330X, YP340X,

YP320XR)

1) Turn off the controller power.

2) Remove the robot Z axis cover.

3) Place marks(with a marker etc.) on the pulleys before replacement to limit

deviations in point data occurring due to the belt replacement. (Fig. 5-4)

4) Remove the bolts securing the belt tensioner in Fig. 5-9 and remove the belt

from the pulley.

5) Remove the plate gripping the belt in Fig. 5-9.

6) Prepare a new belt and grip the new belt with the plate removed in step 4).

Apply a coating of Screw-lock (or equivalent) to the M5 bolts and tighten

them.

7) Place the new belt on the pulley lining it up with the marks (for synchroniz-

ing the positions of the two pulleys) you made in step 3) above. Next install

the belt tensioner.

8) Adjust the belt tension and set the origin position again by absolute reset as

explained in the previous section. (See Chapter 4)

9) Make corrections if any point data has deviated.

Metal plate

M5 bolt

belt

Fig. 5-9 Belt replacement

1 2 ... 66 67 68 69 70 71 72 73 74 75 76 ... 109 110

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Yamaha DRCX User Manual Page 71