8.4 Replace Cooling Fans and Circulation Fans
466 YASKAWA SIEPC71061737D GA800 Drive Technical Reference
A - Screws
Figure 8.76 Slide the Circuit Board Cooling Fan Unit
3. Remove the circuit board cooling fan units.
Figure 8.77 Remove the Circuit Board Cooling Fan Units
4. Remove the screws that safety the circuit board cooling fans and remove the fans.
A - Circuit board cooling fan B - Fan unit base
Figure 8.78 Remove the Circuit Board Cooling Fans
■ Circuit Board Cooling Fan Installation
Reverse the removal procedure to install a cooling fan.
1. Align the pin on the fan unit base with the notch on the fan and put the circuit board cooling fan in the fan unit,
then use the screws to safety the circuit board cooling fan to the fan unit base.
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)
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