Epson LS20 Series Manipulator Manual page 116

Maintenance 7. Arm #3
(7) Remove the bolts fixing the Joint #3 motor unit
(8) Remove the Joint #3 motor from the Motor
NOTE

(9) Loosen the set screws of the pulley and
104
and pull the unit up to remove.
The washers for slotted holes will be used again
when installing the Z belt. Be careful not to
lose them.
plate.
The belt is placed around the pulley.
remove the Joint #3 motor, tilt the motor slightly
and pull it upward while avoiding the belt.
When replacing the motor of the Joint #3,
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.
remove the pulley from the Joint #3 motor.
There is a brass bushing in one of the set screw
holes. Be sure to keep the bushing.
Joint #3
Motor Unit
3-M5×20+washer for
slotted hole
4-M5×15
To
Motor Plate
Pulley
M4×4
Set screw
+M4 Bushing
Joint #3 Motor
Z belt
cap
M4x6
Set Screw
Joint #3
Motor
LS20 Rev.4