Epson G3 Series User Manual

Maintenance 7. Arm #3
122 G3 Rev.14
(10)
Loosen bolts of the Joint #4 motor unit.
Pull the Joint #4 motor unit upward to
remove.
3-M4×12 + Washer
Joint #4
Motor unit
3-M4×12 +washer
Joint #3
Motor unit
Joint #4
Intermediate shaft
3-M4×12
+ washer
(11)
Unscrew the bolts securing the Joint #3
motor unit.
3-M4×12+ washer
Joint #3 motor unit
3-M4×
12
Ball screw
spline unit
(12)
Unscrew the screws securing the ball screw
spline unit on the upper part of Arm #2.
(13)
Hold up the upper rotator part of ball screw
spline unit and the Joint #3 motor unit
together
.
(14)
Hold the Joint #3 motor
up.
Pass the Z belt through the upper rotator part of ball
screw spline and remove the belt.
(15)
Remove the Joint #3 motor from the Joint
#3 motor unit.
Joint #3
motor
Bush: M5
Set screw:
2-M5×8
Pulley
2-M4×10
Brake hub
(16)
Remove the pulley and brake hub from the
Joint #3 motor.
There is a brass bushing in one of the
set
screw
holes. Be sure to keep them.

Epson G3 Series Specifications

General

Brand	Epson
Model	G3 Series
Category	Robotics
Language	English