Epson LS20-BA04S

Maintenance 5. Joint #1
LS20-B Rev.4 93
(7)
Loosen the motor mounting screws on the
motor
flange and remove the motor
unit
There is an O
-ring between Top Plate and the
motor flange.
Be sure to keep the O-ring.
4-M5×15
Joint #1
Motor Unit
The motor can be removed while the Arm #1 and the Top plate are mounted.
When removing the motor with the Top plate
mounted, use the torque wrench with
the
long hexagonal bit, or lengthen the general hexagonal wrench by using the metal
pipe
to loosen the screws.
Metal pipe
Torque wrench
Long
hexagonal
bit
General
hexagonal
wrench
After loosening the screws, rotate the motor to
pull out.
If the motor is hard to pull out, pull
the motor while rotating the Arm #1 slowly.
Pull out while
rotating
(8)
Remove the waveform generator from the
Joint
#1 motor.
There is a brass bushing in one of the set
screw
holes.
Be sure to keep the bushing.
Set Screws
2-M5×8
M5 Bushing
Waveform Generator
Joint #1
Motor
(9)
Remove the motor mounting screws
, and then
remove the motor flange and O
-ring.
4-M5×18
+Plain washer
Joint #1 Motor
Motor Flange
O-ring

NOTE