Epson T-B Series Maintenance Manual page 113

Joint #4 (1) Mount temporarily the motor plate on the Joint
Motor
Installation
NOTE

(2) Mount the pulley and the bearing on the Joint
NOTE

(3) Mount the motor plate on the Joint #4 motor.
T-B series Maintenance Manual Rev.1
#4 motor.
2-M4×55 +M4 small washer
When mounting temporarily the motor plate, be
careful of the positions of the motor plate and
the motor.
Check that the motor can be moved by hand,
and it will not tilt when pulled.
#4 motor.
M4×8 set screw
M4×8 set screw+M4 bushing
Tighten one of the set screws and bushing
vertically on the flat face of the motor shaft.
Secure using the set screw and the bushing
while preventing damage to the motor shaft.
Make sure that the bearing is inserted
completely when mounting the pulley. If the
end faces of the motor plate and bearing fit,
bearing is inserted completely.
Give a pressure to bearing when tightening.
Pressure: 2.9±0.1kg
Apply the following torque to secure the pulley.
Tightening torque: 2.5 ± 0.15 N·m
T3-B: 3-M4x20+M4 slotted hole washer
T6-B: 3-M4x20+M4 washer
Tightening torque: 4 ± 0.2 N·m
T3-B T6-B Maintenance 12. Joint #4
Motor
plate
Pulley
When tightening
Bearing
set screw
+ Pulley
Payload: 2.9±0.1kg
Bearing
M4 bushing
Joint #4
motor unit
101