Replacing The Fan - Epson RC520 Manual

Maintenance 5. Four-axis Drive Unit
(3) Pull out the filter for cleaning as shown below.
(4) The filter may be cleaned either by vacuuming the dust or rinsing in water. (The
(5) Reinstall the filter to its original location.
(6) Reattach the front panel to the Drive Unit.
(7) Turn ON the four-axis Drive Unit and make sure that the fan operates normally.

5.7.3 Replacing the Fan

■ 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.
Replace the fan by following the steps described below.
(1) Shut down Windows, and turn OFF the Control Unit and four-axis Drive Unit.
(2)
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.
162
filter must be thoroughly dry before being reinstalled.)
Wait for about 1 minute until the high voltage is discharged. Then, loosen five
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
Filter
Loosen the top
center screw
RC520 Rev.7