4 Maintenance
YASKAWA TOEPC71061779B GA800 Drive Installation Manual 57
3. Remove the circuit board cooling fan unit.
Figure 4.58 Remove the Circuit Board Cooling Fan Unit
4. Remove the screws that safety the circuit board cooling fan and remove the fan.
A - Circuit board cooling fan
B - Fan unit base
C - Alignment pin on fan unit base
Figure 4.59 Remove the Circuit Board Cooling Fan
Install the Circuit Board Cooling Fan
Reverse the removal procedure to install a cooling fan.
1. Align the pins on the fan unit base with the notches 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 M4 screws to a tightening torque of 0.98 N∙m to 1.33 N∙m (8.67 in∙lb to 11.77 in∙lb).
A - Circuit board cooling fan
B - Fan unit base
C - Alignment pin on fan unit base
Figure 4.60 Install the Circuit Board Cooling Fan
Note:
When you install the circuit board cooling fan, make sure that you do not pinch cables between the circuit board cooling fan and
the fan unit base.
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