Maintenance and hardware diagnostics 145
Replacing the main cooling fan, IP21 and IP55 (UL Type 1 and UL
Type 12) frames R1…R4
WARNING! Obey the instructions in chapter Safety instructions on page 13.
Ignoring the instructions can cause physical injury or death, or damage to the
equipment.
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 Precautions before
electrical work on page 16 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.