4 Maintenance
48 YASKAWA TOEPC71061779B GA800 Drive Installation Manual
3. Disconnect the relay connector and remove the fan unit.
Figure 4.42 Remove the Fan Unit
4. Remove the screws that safety the cooling fan and remove the fan.
A - Cooling fan
Figure 4.43 Remove the Cooling Fan
Install a Circulation Fan
Reverse the removal procedure to install a circulation fan.
1. Connect the power supply connector.
A - Cooling fan B - Fan unit base
Figure 4.44 Connect the Power Supply Connector
2. Align the pins on the fan unit base with the notches on the fan and put the fan unit base in the fan unit, then
use the screws to safety it.
Tighten the screws to a correct tightening torque:
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