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6. TROUBLESHOOTING
6-10
6.3.3 Cooling fan replacement method
Removal
1) Remove the wiring cover.
2) Unplug the fan connector.
The cooling fan is connected with the cooling fan connector on the drive
unit terminal block side.
Unplug the connector and remove the drive unit and cooling fan.
3) Remove the cooling fan cover.
Push the cover in the direction of arrows and pull it down.
4) Remove the cooling fan and cooling fan cover.
The cooling fan is secured by latches.
The cooling fan and cooling fan cover can be removed by disengaging the
latches.
Reinstallation
1) After confirming the orientation of the fan, reinstall the fan to the cover so
that the arrow on the left of "AIR FLOW" faces in the opposite direction of
the fan cover.
Note: The wrong direction of air flow can shorten the drive unit life.
2) Reinstall the fan cover to the drive unit. Pass the wiring through the wiring
groove to avoid it from being caught between the chassis and cover.
3) Connect the wiring to the connector.
4) Reinstall the wiring cover.