Epson LS20, Manipulator Manual, Page: 107 / 176

Maintenance 6. Arm #2
LS20 Rev.4 95
(7) Disconnect the connectors X221 and X21. (Hold the claw to remove.)
(8) Remove the screws mounting the motor unit
and then remove the Joint #2 motor unit
from the Arm #2.
To pull out the motor smoothly, move the
Arm #2 slowly by hand while pulling the
motor.
4-M5 × 20
Joint #2
Motor Unit
Arm #2
When replacing the motor of the Joint #2,
remove the cap from the old motor and
install it to the new one.
If the Manipulator is operated while the cap
is not installed, the motor may be damaged
due to entering of the foreign materials into
the rotating part of the motor sensor and
interference of the rotating part and the
cables.
cap
(9) Remove the waveform generator from the
Joint #2 motor.
There is a brass bushing in one of the set
screw holes. Be sure to keep the bushing.
The O ring will be used again. Be careful
not to lose it.
2-M5 × 8 Set Screw
M5 Brass Bushing
Joint #2 Motor
Waveform Generator
O-Ring
(10) Remove the motor flange from the Joint #2
motor.
Motor Flange
Joint #2 Motor
2-M5 × 15

NOTE