Arm Bottom Cover; Arm #1 Cover - Epson LS20-B Series Manual

3.2 Arm Bottom Cover

Unscrew the Arm Bottom Cover mounting bolts and then remove
the cover.
Tightening torque: 0.45 N⋅m
NOTE

Be careful of the end effector. When the end effector is installed,
the Arm Bottom Cover may not be removed from the shaft.
When you replace the ball screw spline unit, you need to remove
the end effector to remove the Arm Bottom Cover completely.
When you can work (maintenance, inspection) without removing
the cover completely, move the shaft to the lower limit and lower
the Arm Bottom Cover.
NOTE
When bellows are installed to the manipulator, remove or pull down the lower bellows and then

remove the arm bottom cover. For bellows removal, refer to Maintenance 9. Bellows.

3.3 Arm #1 Cover

Unscrew the Arm #1 cover mounting bolts and remove
the cover.
Tightening torque: 0.45 N⋅m
LS20-B Rev.4
Maintenance 3. Covers
Arm Bottom Cover
4-M4×10
Truss
4-M4×12 Double sems
71