Epson G3 Series - Manual (Page 86)

Maintenance 3. Covers
76 G3 Rev.1
(3) Turn OFF the Controller.
(4) Unscrew the arm top cover mounting bolts, and
then lift the cover.
When bellows are installed to the manipulator,
remove the upper bellows and then remove the
arm top cover. For bellows removal, refer to
Maintenance 9. Bellows.
Be careful for user wires and tubes when
removing the cover.
4-M4 ×12
4-M4 ×8
Truss
Arm top cover
)
NOTE
Arm Top Cover
Installation
(1) Set the arm top cover to the arm and secure with
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.
Arm top cover
Cylindrical part
Shaft
Lower limit
mechanical stop
Brake release switch
(2) When bellows are installed to the manipulator, install the arm top cover and then
install the upper bellows.
For bellows installation, refer to Maintenance 9. Bellows.