Yamaha 3-axis model Adjusting the drive belt tension, Fxybx X-axis, Sxybx X, Y axes, Fxybx Y-axis

Chapter 11 FXYBX/SXYBX

7-1 Adjusting the drive belt tension

!CAUTION

On robot models having a long stroke, a slider is provided in the upper cover. Pull off the upper cover with a parallel movement in the axis movement direc- tion.

1)Turn the controller power OFF.

2)Remove the end cover.

3)Remove the upper cover installation screws, and remove the upper cover.

4)FXYBX X-axis, SXYBX X, Y axes

Attach the enclosed belt tension adjustment bolt, and loosen the eight belt stay installation bolts. Turn the enclosed adjustment bolt to apply tension on the belt.

Adjustment bolt

Belt stay installation bolt

Belt stay

FXYBX Y-axis

Loosen the belt holder fixing bolt (on slot side), and turn the adjustment bolt to apply tension on the belt.

11-23