Omron SYSDRIVE 3G3MV SERIES User Manual page 267

Maintenance Operations
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
(CN10 built in)
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.
Heat radiation fin (Heat sink)
Fan wind direction
Chapter 8
8-25