YASKAWA GA700 Series

Periodic Inspection and Maintenance
8
8.4 Replace Cooling Fans and Circulation Fans
YASKAWA SIEPC71061705H GA700 Series Technical Manual 411
3. Remove the circuit board cooling fan units.
Figure 8.61 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 8.62 Remove the Circuit Board Cooling Fans
■ Circuit Board Cooling Fan Installation
Reverse the removal procedure for fan installation.
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)
Note:
Make sure that you do not pinch cables between the circuit board cooling fan and the fan unit base.
A - Circuit board cooling fan
B - Fan unit base
C - Alignment pin on fan unit base
Figure 8.63 Install the Circuit Board Cooling Fan
2. Put the circuit board cooling fan unit into the specified location and slide it down, then use the screws to
safety it to the drive.
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)