Epson G20 Series

Maintenance 6. Arm #2
G10 / G20 Rev.20 149
Joint #2 motor
Installation
(1)
Mount the motor flange on the Joint
#2 motor.
Set the spring plate mounting hole of the motor
flange in the counter direction to the motor
cable.
4-M5×15
(2)
Apply grease around the motor shaft.
Grease volume: 28 g
(3)
Mount the waveform generator on
the Joint #2
motor.
Be sure to fit the waveform
generator edge to
the motor
shaft edge. Tighten one of the set
screws on the
flat face of the motor shaft until
the screw
just touches the surface. Insert a
bushing
into the other set screw hole to prevent
damage to the motor shaft.
Then, tighten both
set
screws.
For G10 series manipulator of
S/N: 1**** or later:
Put a space of 6.5 mm or less between the
waveform generator edge and the motor shaft
edge.
2-M5×8
set screw
M5 bushing
Put the end
faces together
CAUTION
■
See the figures above for the orientation of the waveform generator.
Be sure to
install the waveform generator properly.
Improper installation of the waveform
generator will result in improper function of
the Manipulator.
(4)
M
ount the Joint #2 motor unit on Arm #2.
If it is difficult to mount the motor, push it
while
moving Arm #2 slowly by hand.
At this point, be careful about the direction of
the spring plate mounting hole of
the motor
flange.
6-M4×15
G10
G20
(5)
This step
is for the Radiating Unit.
Mount the radiating unit to the motor using insulation lock tie. Then, secure the
mounting bolt of head sink pipe beneath the arm. To do so, be careful not to move
the plate.
For details, refer to Maintenance 13. Radiating Unit.