4.1 Replace Cooling Fans and Circulation Fans
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YASKAWA TOEPC71061779E GA800 DRIVE INSTALLATION MANUAL
5. Unplug the relay connectors, remove the screws that safety the cooling fans and circulation fan, and then
remove the fans.
A - Cooling fans
B - Relay connectors
C - Fan unit base
D - Circulation fan
Figure 4.52 Remove the Cooling Fans and Circulation Fan
■ Fan Installation
Reverse the removal procedure for fan installation.
1. Connect the relay connectors on the fan unit base to the cooling fans and the circulation fan.
A - Cooling fans
B - Relay connectors
C - Fan unit base
D - Circulation fan
Figure 4.53 Connect the Relay Connectors
2. Align the pins on the fan unit base with the notches on the fans and put the fans in the fan unit base, then use
the screws to safety them.
Tighten the screws to a correct tightening torque:
• 0.98 N∙m to 1.33 N∙m (8.67 lbf∙in to 11.77 lbf∙in)
Note:
Make sure that you do not pinch cables between the fans and the fan unit base.