Adjust The X-Axis Belt Tension (Yp220Bx, Yp220Bxr) - Yamaha YP-X Series Owner's Manual

3-4

Adjust the X-axis belt tension (YP220BX, YP220BXR)

1) Turn off the controller power.
2) Remove the side cover on the robot unit.
3) Loosen the bolts securing the driven pulley shown in Fig. 4-5.
4) Loosen the belt tensioner (L-shaped metal plate) M5 bolts and apply tension
to the belt.
5) As a guide for setting belt tension, check a slack in the belt of about 5mm
when a 1kg load is applied to the center of the belt.
6) If the belt tension in now satisfactory, tighten the bolts securing the belt
tensioner.
7) Reattach the side cover on the robot unit.
Fig. 4-5 Belt tension
4-9
CHAPTER 4 Installation
Driven pulley
Securing bolt
Belt tensioner
M5 bolt