Cooling Fan; Layout; Inspecting The Fan Filter - Epson RC520 Manual

Maintenance 6. Six-axis Drive Unit

6.7 Cooling Fan

6.7.1 Layout

6.7.2 Inspecting the Fan Filter

■ Before performing any maintenance procedure, always make sure that the main
power of the Controller is turned OFF and that the high voltage charged area is
completely discharged. Performing any maintenance procedure while the main
power is ON or the high voltage charged area isn't discharged completely is
WARNING
extremely hazardous and may result in electric shock and/or cause serious
safety problems.
When you inspect the fan and clean the filter, follow the steps described below.
(1) Shut down Windows, and turn OFF the Control Unit and six-axis Drive Unit.
(2) Wait for about 1 minute until the high voltage is discharged. Then, loosen five
Be careful not to pull out the front panel too far because the power cable of the fan is still
NOTE
connected to the DPB.
178
Cooling Fan
screws and remove the front panel as shown below. The top center screw only
needs to be loosened to remove the panel.
M3 crown
washer screws
Loosen the top center screw.
RC520 Rev.7