Introduction
This manual provides instructions for the proper installation and maintenance of MohMus replacement vacuum cleaner bags. These high-quality multi-layer microfibre dust bags are designed for optimal filtration and high suction power, ensuring efficient operation of your vacuum cleaner. They are compatible with various Nilfisk GM series models.
Product Compatibility
These MohMus vacuum cleaner bags are compatible with the following Nilfisk models and series:
- Nilfisk GM 200 - 299 series (e.g., GM 200, GM 210)
- Nilfisk GM 300 - 399 series (e.g., GM 300, GM 310, GM 320, GM 330)
- Nilfisk GM 400 - 499 series (e.g., GM 400, GM 420, GMD 400 Series)
- Nilfisk GM 500 - 599 KING series
- Nilfisk Extreme Series
- Nilfisk Power Series
- Original part number: 147 0286 500
Important Note: Manufacturer names and part numbers are used for reference purposes only. These bags are not associated with the original manufacturer's parts.
Setup and Installation
Follow these steps to correctly install a new vacuum cleaner bag into your Nilfisk vacuum cleaner. Always ensure the vacuum cleaner is unplugged from the power outlet before performing any maintenance or installation.
- Unplug the Vacuum Cleaner: Disconnect the vacuum cleaner from the main power supply to prevent accidental activation.
- Open the Vacuum Cleaner Compartment: Locate and open the dust bag compartment on your Nilfisk vacuum cleaner. This usually involves releasing latches or clips.
- Remove the Old Bag (if present): Carefully remove the full dust bag. Most bags have a closing mechanism or flap to prevent dust from escaping during removal. Dispose of the old bag responsibly.
- Prepare the New Bag: Take one MohMus replacement bag from the package. Ensure the bag is unfolded and ready for insertion.
- Insert the New Bag: Align the bag's cardboard collar or rubber seal with the bag holder in the vacuum cleaner compartment. Push firmly until the bag is securely seated. Ensure there are no gaps where dust could escape.
- Close the Compartment: Close the dust bag compartment cover, ensuring it latches securely. Do not force the cover if it does not close easily; recheck the bag's positioning.
- Reconnect Power: Plug the vacuum cleaner back into the power outlet.

Image 1: A close-up view of the MohMus vacuum cleaner bag material, illustrating its multi-layer microfibre construction. This design enhances filtration efficiency and durability.
Operating Instructions
Once the new vacuum bag is installed, your vacuum cleaner is ready for operation.
- Regular Use: Operate your vacuum cleaner as usual. The multi-layer microfibre bags are designed to maintain high suction power even as they fill.
- Optimal Filtration: These bags provide optimal filtration of fine dust particles, contributing to cleaner air in your environment.
Maintenance and Replacement
To ensure optimal performance and longevity of your vacuum cleaner, regular inspection and timely replacement of the dust bag are essential.
- Check Bag Fullness: Monitor your vacuum cleaner's "bag full" indicator, if available. Alternatively, check the bag's fullness periodically by opening the compartment.
- Replace When Full: Replace the dust bag when it is approximately two-thirds to three-quarters full, or when you notice a significant decrease in suction power. Overfilling the bag can strain the motor and reduce cleaning efficiency.
- Filter Replacement: While these bags offer excellent filtration, it is also advisable to check and replace your vacuum cleaner's motor protection filter and exhaust filter according to your vacuum cleaner's manufacturer guidelines.

Image 2: A detailed close-up of the MohMus vacuum cleaner bag material, highlighting its strong and tear-resistant microfibre construction. This ensures durability during use.
Troubleshooting
If you experience issues with your vacuum cleaner after installing a new bag, consider the following:
- Reduced Suction Power:
- Ensure the bag is correctly seated and the compartment cover is fully closed.
- Check if the bag is already too full.
- Inspect the vacuum cleaner's hose, attachments, and filters for blockages.
- Dust Leakage:
- Verify that the bag's collar is properly sealed against the vacuum cleaner's bag holder.
- Ensure the compartment cover is closed tightly.
Specifications
| Brand | MohMus |
| Material | Multi-layer Microfibre |
| Color | White |
| Quantity | 10 bags per set |
| Compatibility | Nilfisk GM 200-299, GM 300-399, GM 400-499, GM 500-599 KING, GMD 400 Series, Extreme Series, Power Series |
| Features | High suction power, optimal fine dust filtration, lightweight, tear-resistant |
| Country of Origin | Germany |
Warranty and Support
For any questions regarding the MohMus replacement vacuum cleaner bags or for support, please contact the seller directly through the platform where the purchase was made. Please refer to your purchase details for specific return and warranty information.