Removing The Heatsink Cooling Fan Assembly; Mounting The Heatsink Cooling Fan Assembly; Cooling Fan Assembly Replacement Procedure - YASKAWA F7 User Manual

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Models CIMR-F7U2022 thru 2110 and 4030 thru 4300
These Drives have an internal cooling fan assembly and a heatsink cooling fan assembly. The heatsink cooling fan assembly is
attached to the top of the heatsink inside the Drive. The cooling fan(s) can be replaced without removing the Drive from the
installation panel.

Removing the Heatsink Cooling Fan Assembly

1. Always turn OFF the input power before removing and installing the heatsink cooling fan assembly.
2. Remove the terminal cover, Drive cover, Digital Operator, and front cover from the front of the Drive.
3. Remove the Control PCB bracket (if necessary) to which the cards are mounted. Remove all cables connected to the Con-
trol PCB and remove the cooling fan power connector from the fan board (13 PCB) positioned near the top of the Drive.
4. Remove the cooling fan power connectors from the gate drive board (3PCB) positioned at the back of the Drive.
5. Remove the fan assembly screws and pull out the fan assembly from the Drive.
6. Remove the cooling fan(s) from the fan assembly.

Mounting the Heatsink Cooling Fan Assembly

After attaching a new cooling fan, reverse the above procedure to attach all of the components.
When attaching the cooling fan to the mounting bracket, be sure that the air flow goes toward the top of the Drive.
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Control PCB bracket
Control PCB
Fig 7.2 Cooling Fan Assembly Replacement Procedure
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Air flow direction
Fan cover
Connector
Gate driver
Maintenance 7 - 6
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