Maintenance 10. Ball Screw Spline Unit
202 G10 / G20 Rev.20
Set the Z belt around the Z1 pulley and Z2 pulley
so that the gear grooves of
the belt are fit into those
Loosely secure the spline plate to Arm #2.
After moving the shaft up and down
secure the spline plate to
Mount the brake to the Joint #4
When mounting the brake, be sure to keep the wave
washer from being stuck.
Secure the brake hub with the two set screws.
Loosely secure the Joint #3 motor unit to Arm
Loosely secure the Joint #3 motor unit to Arm
the motor unit can be moved by hand, and it
not tilt when pulled. If the unit is secured too
or too tight, the belt will not have the proper
4 motor unit in Arm #2 so that the
motor cable faces toward the
The screws are not secured in this step.