Epson LS3-401 series

Maintenance 10. Ball Screw Spline Unit
LS Rev.10 145
Ball Screw
Spline Unit
Installation
(1)
Insert a new ball
screw spline unit in the Arm #2.
(2)
Secure the spline nut from the bottom side of
the Arm #2.
LS3:
4-M4×10
LS6: 4-M4×12
(3)
Mount the following.
Joint #3 motor unit / Joint #4 motor unit / Joint #4 intermediate pulley /
U1 belt / U2 belt / Z belt
Follow
the U2 belt installation steps in Maintenance: 8.2 Replacing the Timing Belt.
(4)
Mount the Arm Top Cover and Arm Bottom Cover.
For details, refer to
Maintenance: 3. Covers.
(5)
Grease the shaft.
For details, refer to
Maintenance: 10.1 Greasing the Ball Screw Spline Unit.
(6)
For the Cleanroom
-model, mount the bellows.
For details, refer to
Maintenance: 9. Bellows.
(7)
Mount the end effector, cables, and tubes.
(8)
Perform the calibration of Joints #3, #4.
For details, refer to
Maintenance: 13. Calibration.