How to remove the inner filter of the NILFISK 626 vacuum cleaner?

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To remove the inner filter of your NILFISK 626 vacuum cleaner, it is essential to follow the correct steps to preserve the quality of the main filter, which has a surface area of 16,000 cm².

Step 1: Prepare the vacuum cleaner
Start by completely unplugging the NILFISK 626 vacuum cleaner from the electrical outlet to ensure your safety. Wait a few minutes for the device to cool down if you have just used it.

Step 2: Access the motor and filter
The inner filter is located inside the motor unit of the tank. To access it, you must first remove the motor assembly by locating the attachment points on the tank (usually hinges or side clips). Gently lift the motor/filter section from the tank while ensuring you support the weight of the assembly.

Step 3: Remove the inner filter
Once the motor unit is accessible, the main filter becomes visible. Carefully grasp the filter by its lower part and slowly extract it. The filter may be held by clips or simply placed in its housing.

Step 4: Clean the filter
To maintain optimal performance of your NILFISK 626, regularly clean the filter. Never immerse the filter in water and do not brush it directly. Instead, proceed by gently shaking: hold the filter and shake it gently up and down to dislodge the dust. For deep cleaning, you can use another vacuum cleaner to gently vacuum the surface of the filter. Normally, 3 to 4 consecutive shaking movements are sufficient to maintain optimal performance.

Step 5: Reassemble and close
After cleaning, reinstall the filter in its housing, ensuring it is properly positioned and stable. Then replace the motor assembly on the tank and make sure all hinges or clips are securely closed and locked before plugging the vacuum cleaner back in. Check that the assembly is airtight to avoid air leaks that could reduce suction performance.

Regular maintenance of the main filter helps maintain the maximum depression of 22.2 kPa and ensures optimal motor power. Perform this cleaning after each intensive use or at least once a week depending on your usage.

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