126 Maintenance and hardware diagnostics Replacing the main cooling fans, frame R9WARNING! Obey the instructions in chapter Safety instructions on page 13.Ignoring the instructions can cause physical injury or death, or damage to theequipment.1. Stop the drive and disconnect it from the power line. Wait for 5 minutes and thenmake sure by measuring that there is no voltage. See section Precautions beforeelectrical work on page 16 before you start the work.2. Undo the two mounting screws of the fan mounting plate.3. Turn the mounting plate downwards.4. Unplug the fan power supply wires from the drive.5. Remove the fan mounting plate.6. Remove the fans by undoing the two mounting screws.7. Install the new fans in reverse order.23642 6
