7 Repair
7.19 Replacement of Choke Filter
166 3HNA009834-001 en Rev.06 Product Manual, Control Cabinet IRC5P
3. Disconnect electrical wires connected to terminal board (84/3) on top of the
choke filter. Note position of wires and main supply voltage to ensure correct
re-connection.
4. Disconnect ground connection.
5. Remove 2 choke filter attachment screws (84/4) securing the unit to the cabinet
bottom plate.
6. Remove choke filter.
Refitting The procedure describes how to re-install the choke filter unit.
WARNING! Refitting activities must only be performed when controller is switched
‘off’ and all safety precautions under ‘Removal’ have been read.
1. Lift choke filter into position on the cabinet rear bottom plate.
2. Insert 2 filter attachment screws and tighten.
3. Connect electric wires to terminal board.
4. Connect ground wire.
5. Re-install control cabinet rear housing.
6. Close controller front door.