Kärcher 1.628-401.0
Kärcher KWD 1W-12/2/18
Wet and Dry Vacuum Cleaner Instruction Manual
Model: 1.628-401.0
1. Introduction
This manual provides essential information for the safe and efficient operation, maintenance, and troubleshooting of your Kärcher KWD 1W-12/2/18 Wet and Dry Vacuum Cleaner. Please read this manual thoroughly before first use and keep it for future reference.
2. Safety Instructions
Always observe the following safety precautions to prevent accidents and damage to the appliance:
- Ensure the power supply matches the voltage specified on the rating plate.
- Do not vacuum flammable or explosive liquids, hot ash, or sharp objects.
- Never operate the appliance without the filter or filter bag correctly installed.
- Unplug the appliance from the power outlet before cleaning, maintenance, or when not in use.
- Do not use the appliance if the power cord or plug is damaged.
- Keep children and unauthorized persons away from the appliance during operation.
3. Setup
Follow these steps to set up your Kärcher KWD 1W-12/2/18 vacuum cleaner:
- Unpacking: Carefully remove all components from the packaging. Check for any damage during transit.
- Wheel Assembly: Attach the four wheels to the base of the vacuum cleaner by pushing them firmly into their designated slots until they click into place.
- Hose Connection: Insert the suction hose into the suction port on the front of the vacuum cleaner until it locks securely.
- Tube and Nozzle Assembly: Connect the two suction tubes together, then attach the desired floor nozzle or accessory to the end of the tube.
- Filter Installation: For dry vacuuming, ensure the filter bag is correctly inserted into the container and the cartridge filter is securely fitted over the motor head. For wet vacuuming, remove the filter bag and ensure the cartridge filter is suitable for wet use (check manual for specific filter type).

Image: The Kärcher KWD 1W-12/2/18 vacuum cleaner with its hose, suction tubes, floor nozzle, crevice tool, and filter bag, ready for assembly.
4. Operating
Your Kärcher KWD 1W-12/2/18 is designed for both dry and wet vacuuming tasks.
4.1 Dry Vacuuming
For dry vacuuming, ensure a filter bag is installed and the cartridge filter is clean and dry. Connect the appliance to a power outlet and press the power button to start. Use the appropriate nozzle for the surface you are cleaning.

Image: A user operating the Kärcher vacuum cleaner with the floor nozzle to clean dry debris from a hard floor surface.

Image: A user utilizing the crevice tool attachment to vacuum spilled potting soil from a wooden shelf, demonstrating precise cleaning.

Image: A person cleaning the interior of a car using the Kärcher vacuum cleaner, effectively removing dirt and debris from the floor mats.
4.2 Wet Vacuuming
Before wet vacuuming, remove the filter bag. Ensure the cartridge filter is suitable for wet applications. If not, replace it with a wet filter or remove it if the design allows. The appliance will automatically shut off when the maximum liquid level is reached. After wet vacuuming, always clean the container and allow the filter to dry completely.

Image: A woman using the Kärcher vacuum cleaner to efficiently clean up spilled liquid and debris from a kitchen floor, highlighting its wet vacuuming capability.
4.3 Blower Function
To use the blower function, detach the suction hose from the suction port and connect it to the blower port on the rear of the motor head. This function is useful for clearing leaves or light debris from pathways.

Image: A man carrying the Kärcher vacuum cleaner by its handle, demonstrating its portability for outdoor use or moving between locations.
5. Maintenance
Regular maintenance ensures the longevity and optimal performance of your vacuum cleaner.
- Emptying the Container: After each use, especially after wet vacuuming, empty the container and clean it with water.
- Filter Cleaning/Replacement: For dry vacuuming, replace the filter bag when full. Clean the cartridge filter regularly by tapping out dust or rinsing it with water (if suitable for wet cleaning) and allowing it to dry completely before re-installation.
- Accessory Cleaning: Clean nozzles and tubes as needed to prevent blockages.
- Storage: Store the appliance in a dry, frost-free place, out of reach of children. Wrap the power cord neatly.
6. Troubleshooting
If you encounter issues with your Kärcher KWD 1W-12/2/18, refer to the table below for common problems and solutions.
| Problem | Possible Cause | Solution |
|---|---|---|
| Low suction power | Filter bag full, filter clogged, hose/nozzle blocked, container full (wet vacuuming) | Replace filter bag, clean filter, clear blockages, empty container |
| Motor does not start | No power supply, power switch off, safety cut-out activated | Check power connection, turn on switch, allow motor to cool down |
| Water leaks from appliance | Container overfilled (wet vacuuming), seals not properly seated | Empty container, check and reseat seals |
7. Specifications
| Feature | Detail |
|---|---|
| Brand | Kärcher |
| Model Name | KWD |
| Item Model Number | 1.628-401.0 |
| Special Feature | Bagless |
| Filter Type | HEPA Filter |
| Included Components | Hose, Rod & Accessories |
| Is Cordless? | No |
| Capacity | 12 Liters |
| Wattage | 1000 watts |
| Recommended Uses | Cleaning hard floors and carpets |
| Form Factor | Cannister |
| Color | Yellow |
| Product Dimensions | 13.74"L x 12.91"W x 14.88"H |
| Noise Level | 72 dB |
| Item Weight | 11.88 pounds |
8. Warranty and Support
For warranty information and customer support, please refer to the Kärcher official website or contact their customer service directly. Keep your purchase receipt as proof of purchase.
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