33
9400000-J0 Rev E
10.2.2 12kW Rectifier Fan Replacement
Part number: 747-679-20-000
1. Switch off the unit and unscrew the front fastener that secures the power module to the shelf.
2. Remove the eight screws shown in Figure 11.
Side screw (1)
Bottom screws (3)
Figure 11 — Fan Assembly - Screw Removal
3. Disconnect the fan cables and remove the fan assembly from the rectifier.
4. Remove the two screws that secure the failed fan to the panel.
5. Note the direction of the airflow and remove the fan.
6. Install the replacement fans following the preceding steps in reverse order.
Figure 12 — Fan Assembly Removal
Top screws (3)
Side screw (1)