YASKAWA Varispeed G7 Series Instruction Manual page 470

400 V Class Inverters of 90 kW and 110 kW
Removing the Cooling Fan
1. Remove the terminal cover and the front cover from the front of the Inverter.
2. Remove any cables that are connected to the cooling fan power relay board.
3. Remove the fan cover screws and pull out the fan cover from the Inverter.
4. Remove the cooling fan from the fan cover and replace it with a new one.
Mounting the Cooling Fan
After attaching a new cooling fan, reverse the above procedure to attach all of the components.
When attaching the cooling fan to the mounting bracket, be sure that the airflow faces the top of the Inverter.
-14
8
Front cover mounting screws
Terminal cover mounting screws
Cooling fan power relay board
Fan cover mounting screws
Circulation fan
Circulation fan
power connector
Cooling fan mounting screws
Fig 8.10 Cooling Fan Replacement (400 V Class Inverters of 90 kW and 110 kW)
Front cover
Terminal cover
Circulation fan
Airflow direction
Circulation fan
mounting screws