ABB ACH580-01 - Replacing the Main Cooling Fan, IP21 and IP55 (UL Type 1 and UL Type 12) Frames R1

￭ Replacing the main cooling fan, IP21 and IP55 (UL Type 1 and
UL Type 12) frames R1…R4
WARNING!
Obey the safety instructions of the drive. If you ignore them, injury or death,
or damage to the equipment can occur.
1. Stop the drive and disconnect it from the power line. Wait for 5 minutes and then
make sure by measuring that there is no voltage. See section Electrical safety
precautions (page 22) before you start the work.
R1…R3
2. Lever the fan assembly off the drive frame with for example a screwdriver (2a) and
pull out the fan assembly (2b) until you can unplug the fan power supply wires from
the fan assembly (2c).
3. Install the fan assembly in reverse order.
R1…R2: Put the connector and extra length of wires in the groove so that the wires
do not get caught in the revolving fan.
R3: Put the extra length of wires under the fan assembly so that the wires do not
get caught in the revolving fan.
R1…R2
3
2b
2b
2a
R3
2b
2b
2b
2b
2a
218 Maintenance