How do I change the main filter in my KARCHER IVM 40 vacuum

[MichaelAnn]

To replace the main filter in your KARCHER IVM 40 Industrial Vacuum Cleaner, follow these steps:

1. Begin by switching off the vacuum cleaner and disconnecting it from the power supply.
2. Engage the parking brakes to stabilize the device.
3. Release and detach the suction head.
4. Remove the spacer by unlocking it.
5. Carefully extract the existing main filter.
6. Inspect the sealing ring for any signs of damage; replace it if necessary.
7. Clean the clean air side of the filter, removing any accumulated debris.
8. Insert the new main filter, ensuring the filter hold-down device is centered within the designated filter pockets.
9. Secure the spacer by fitting and locking it in place.
10. Reattach and lock the suction head.

Please note: For permanently installed filters, it's advisable to seek professional replacement in a controlled environment, such as a decontamination station. If you have any doubts or need further assistance, please contact a KARCHER branch or authorized customer service for expert support.