Arm Bottom Cover - Epson G3 Series Manual

Maintenance 3. Covers
Arm Top Cover (1) Set the arm top cover to the arm and secure with
Installation
(2) When bellows are installed to the manipulator, install the arm top cover and then

3.2 Arm Bottom Cover

Unscrew the arm bottom cover mounting bolts, and then pull the cover downward and
remove it.
The arm bottom cover may not be removed from the shaft because the end effector is
NOTE

installed.
If it is necessary to remove the cover completely (for replacement of the ball screw spline
unit etc.), remove the end effector.
If it is not necessary to remove the cover completely, move the shaft to the lower limit, and
lower the arm bottom cover. Then, perform maintenance or inspection.
When bellows are installed to the manipulator, remove or pull down the lower bellows and
then remove the arm bottom cover.
Bellows.
G3-**1S* (Standard-model)
A gasket is installed to G3-**1C* (Cleanroom-model).
88
the arm top cover mounting bolts.
After mounting the arm top cover, make sure
that the lower limit mechanical stop does not
touch the cylindrical part of the arm top cover.
install the upper bellows.
For bellows installation, refer to Maintenance10. Bellows.
3-M4×12
Arm bottom cover
Lower limit
mechanical stop
Arm top cover
Cylindrical part
For bellows removal, refer to Maintenance 10.
G3-**1C* (Cleanroom-model)
Brake release switch
Shaft
Gasket
Arm bottom cover
3-M4×12
G3 Rev.14