Epson G3 Series

Maintenance 8. Arm #4
G3 Rev.14 137
(9)
Loosen the bolts securing the Joint #4
motor unit and pull the motor unit
upwards.
3-M4×12 + washer
Joint #4
motor unit
3-M4×12 + washer
Joint #3
motor unit
Joint #4
intermediate shaft
3-M4×12
+ washer
(10)
Remove the screws securing the ball screw
spline on
the surface of Arm #2.
(11)
Remove the screws on the Joint #3
motor
unit.
(12)
Hold the upper rotator part of ball screw
spline and Joint #3 motor up together.
3-M4×12 + washer
Joint #3
motor unit
3-M4×12
Ball screw
spline unit
(13)
Pass the belt through the upper rotator part
of spline and
hold the Joint #3 motor up
and remove the belt.
(14)
Remove the screws securing the Joint #4
intermediate shaft unit.
Pull the Joint #4 intermediate shaft unit
upwards.
3-M4×12
+ plain washer
U1 belt
(15)
Remove the U1 belt.
(16)
Keep the spline upper rotator part up and
remove the U1
belt.
U1 belt