Epson LS20-B Series Manual page 164

Maintenance 10. Ball Screw Spline Unit
Ball Screw (1) Insert a new ball screw spline unit in the Arm #2.
Spline Unit
(2) Secure the spline nut from the bottom side of
Installation
(3) Mount the following.
(4) Mount the Arm Top Cover and Arm Bottom Cover.
(5) Grease the shaft.
(6) For the Cleanroom-model, mount the bellows.
(7) Mount the end effector, cables, and tubes.
(8) Perform the calibration of Joints #3, #4.
152
the Arm #2.
Joint #3 motor unit Joint #4 motor unit U belt Z belt
For details, refer to the following manuals:
Maintenance 7.1 Replacing Joint #3 Motor
Maintenance 8.1 Replacing Joint #4 Motor
For details, refer to Maintenance: 3. Covers.
For details, refer to Maintenance: 10.1 Greasing the Ball Screw Spline Unit.
For details, refer to Maintenance: 9. Bellows.
For details, refer to Maintenance: 13. Calibration.
3-M4×15
4-M5×15
LS20-B Rev.4