Omron SYSDRIVE 3G3MV User Manual page 285

Maintenance Operations
4. Remove the Fan from the fan cover.
5. Mount the new Fan on the fan cover. At this time, make sure that the wind direction of
the Fan will be in the direction of the heat radiation fin.
6. Attach the connector, cover the connector with the protective tube, and insert the
connector into the cover.
7. Mount the fan cover with the new Fan to the lower part of the heat radiation fin. Make
sure that the fan cover snaps on securely with the heat radiation fin.
D Replacing Cooling Fan of 108-mm-wide Inverter Model
1. Dismount the front cover, bottom cover, and fan connector CN4.
Cooling fan connector
(CN4 built in)
Wiring groove
2. Press the left and right sides of the fan cover located on the lower part of the radiation
fin in the arrow 1 directions. Then lift the bottom of the Fan in the arrow 2 direction to
remove the fan as shown in the following illustration.
Disconnect the wire from the electrical inlet on the bottom of the plastic casing.
3. Remove the Fan from the fan cover.
4. Mount the new Fan on the fan cover. At this time, make sure that the wind direction of
the fan will be in the direction of the heat radiation fin.
5. Mount the fan cover with the new Fan to the lower part of the heat radiation fin. Make
sure that the fan cover snaps on securely with the heat radiation fin.
6. Wire the power line through the electrical inlet on the bottom of the plastic casing and
the wiring groove into the internal circuitry of the Inverter.
7. Attach the wire to connector CN10 and attach the bottom cover and front cover.
8-32
Heat radiation fin (Heat sink)
Fan wind direction
Chapter 8