Epson RC620 CU Manual page 176

Maintenance 6. Maintenance Parts Replacement Procedures
When G1 / G3 / G6 / C3 / RS manipulator is connected, start with the installation step
Motor Driver
(3).
(DMB side)
When G10 / G20 manipulator is connected, start with the installation step (1).
Installation
(1) When connecting the motor driver (750
W), insert it slowly along the guide rail,
passing the connector of motor driver
through the back of motor driver guide
plate.
(2) Connect the motor driver connector you are replacing with the connector of cement
resistor.
NOTE

(3) Slowly insert the motor driver along the guide rail of
motor driver guide plate so that the motor driver top
side is less than 5 mm higher than the guide plate.
(4) Slowly slide down the motor driver so that the motor driver top side is 1 mm or less
higher than the guide plate.
(5) Secure the motor driver mounting bracket using 5 screws.
(6) Secure the plate, on which the switching
power supply is mounted, to the chassis
using 2 finger screws.
(7) Connect cable No. (4) and (10) with the
switching power supply (15 W).
Refer to Maintenance:
(8) Place the top panel and secure it with 10
screws.
(9) Plug in the power connector. Turn ON the Controller and make sure that the
Controller starts properly without any vibration or abnormal noise.
160
There are two connectors for the cement resistor. The motor driver connector can
be connected with either one. Choose one so that you can connect easily.
3.2 Diagram of Cable Connections.
Driver
connector
Motor Driver Top side
5 mm or less
RC620 Rev.8