￭ Replacing the main cooling fan of frames R1 to R3
1.
Stop the drive and do the steps in section Electrical safety precautions (page 17)
before you start the work.
2. Release the retaining clip by pushing with a flat screwdriver and turning to the right.
3. Lift the fan assembly up.
4. Install the new fan assembly in reverse order. Make sure that the fan blows upwards.
5. Reset the counter (if used) in group 5 in the primary control program.
162 Maintenance
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