Scara Robot Manipulator Manual

Maintenance 3. Covers
G3 Rev.1 77
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
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, an
d
lower the arm bottom cover. Then, perform maintenance or inspection.
When bellows are installed to the manipulator, remove or pull down the lower bellows an
d
then remove the arm bottom cover. For bellows removal, refer to
M
aintenance 9.
Bellows.
)
NOTE
G3-**1S* (Standard-model) G3-**1C* (Cleanroom-model)
3-M4
×
12
Arm bottom cover
Gasket
3-M4×12
Arm bottom cover
A gasket is installed to G3-**1C* (Cleanroom-model).
3.3 Arm Cap
Unscrew the arm cap mounting bolts and remove the cover.
Arm cap is not installed to the Multiple Mounting Manipulators.
G3-**1 Table Top Mounting
M4×8
Arm cap
Flat washer