Kärcher WD 1 Compact
Kärcher WD 1 Compact Battery Powered Wet Dry Shop Vacuum Cleaner Instruction Manual
Model: WD 1 Compact (1.198-307.0)
Introduction
The Kärcher WD 1 Compact Battery Powered Wet Dry Shop Vacuum Cleaner is a versatile and portable cleaning device designed for both wet and dry applications. Its compact size and cordless operation make it ideal for cleaning car interiors, garages, workshops, and outdoor spaces where power outlets may not be readily available. This manual provides essential information for the safe and efficient use of your vacuum cleaner.
Safety Instructions
Please read and understand all safety instructions before operating the appliance. Failure to follow these instructions may result in electric shock, fire, and/or serious injury.
- Ensure the battery is fully charged before use.
- Do not vacuum flammable or explosive liquids, hot ashes, or sharp objects.
- Always disconnect the battery before cleaning or performing maintenance.
- Keep hair, loose clothing, fingers, and all parts of the body away from openings and moving parts.
- Use only Kärcher recommended attachments and replacement parts.
- Do not operate the vacuum cleaner if it has been dropped, damaged, left outdoors, or dropped into water.
- This appliance is not intended for use by persons (including children) with reduced physical, sensory or mental capabilities, or lack of experience and knowledge, unless they have been given supervision or instruction concerning use of the appliance by a person responsible for their safety.
Package Contents
Verify that all items are present in the package. If any parts are missing or damaged, contact Kärcher customer support.
- Kärcher WD 1 Compact Vacuum Cleaner (Tool Only)
- 3.9 ft Suction Hose
- Upholstery Nozzle
- Crevice Nozzle
- Paper Filter Bag
- Cartridge Filter
Note: The compatible Kärcher 18V battery and charger are sold separately and are required for operation.

Image: Kärcher WD 1 Compact vacuum cleaner with its accessories, including the suction hose, crevice nozzle, upholstery nozzle, cartridge filter, and paper filter bag.
Setup
1. Installing the Filter and Filter Bag
- Open the vacuum cleaner by releasing the "Pull & Push" closure system.
- For dry vacuuming, insert the paper filter bag into the container. Ensure it is properly seated.
- Install the cartridge filter onto the motor head. This filter is suitable for both wet and dry vacuuming and does not need to be changed between modes.
- Close the vacuum cleaner securely.

Image: The Kärcher WD 1 Compact vacuum cleaner with its top motor head removed, revealing the interior container with a paper filter bag installed and the cartridge filter attached to the motor head.
2. Attaching the Suction Hose and Accessories
- Connect the 3.9 ft suction hose to the suction inlet on the front of the vacuum cleaner.
- Attach the desired nozzle (crevice nozzle or upholstery nozzle) to the end of the suction hose.
- For the blower function, connect the suction hose to the blower outlet located on the rear of the vacuum cleaner.
3. Installing the Battery
- Ensure the Kärcher 18V battery is fully charged.
- Slide the charged battery into the battery compartment on top of the vacuum cleaner until it clicks into place.
Operating Instructions
1. Powering On/Off
Press the power button located on the top of the vacuum cleaner to turn it on or off.
2. Dry Vacuuming
- Ensure the paper filter bag is installed for optimal dry dirt collection.
- Attach the appropriate nozzle for the surface you are cleaning.
- Move the nozzle over the dry surface to collect dust, debris, and other dry particles.
3. Wet Vacuuming
- The cartridge filter allows for wet vacuuming without needing to be removed. Remove the paper filter bag before wet vacuuming to prevent damage.
- Use the vacuum to pick up spilled liquids. Do not exceed the maximum liquid fill level indicated on the container.

Image: A man using the Kärcher WD 1 Compact vacuum cleaner to suction a puddle of water from a paved surface, demonstrating its wet vacuuming capability.
4. Blower Function
- Connect the suction hose to the blower outlet on the rear of the vacuum cleaner.
- Use the blower function to remove loose dirt from hard-to-reach areas or to gather leaves and light debris.

Image: A man using the Kärcher WD 1 Compact vacuum cleaner in blower mode to clear a pile of dry leaves from a paved area next to a wall.
5. Car Interior Cleaning
- The compact design and specialized nozzles (crevice and upholstery) make this vacuum ideal for car interiors.
- Use the crevice nozzle for tight spaces between seats and consoles.
- The upholstery nozzle is suitable for cleaning car seats and floor mats.

Image: A man cleaning the trunk of a car with the Kärcher WD 1 Compact vacuum cleaner, using the suction hose to remove debris.
6. Battery Runtime
The operational runtime depends on the battery capacity used:
- Approximately 10 minutes with a Kärcher 18V 2.5 Ah battery.
- Approximately 20 minutes with a Kärcher 18V 5.0 Ah battery.

Image: A man using the Kärcher WD 1 Compact vacuum cleaner inside a small shed. Text overlay indicates battery runtime information for 2.5 Ah and 5.0 Ah batteries.
Maintenance
Regular maintenance ensures optimal performance and extends the lifespan of your vacuum cleaner.
1. Emptying the Container
- When the container is full, or suction power decreases, release the "Pull & Push" closures and remove the motor head.
- Carefully remove the paper filter bag (if used) and dispose of its contents.
- For wet vacuuming, empty the liquid directly from the container.
- Clean the interior of the container with a damp cloth if necessary.
2. Cleaning/Replacing Filters
- The cartridge filter can be cleaned by tapping out loose dirt or rinsing it under running water. Allow it to dry completely before reinstallation.
- Replace the paper filter bag when full or damaged.
3. Cleaning Accessories
- Clean nozzles and the suction hose with water and mild detergent. Ensure they are dry before storage.
- Store accessories in the integrated accessory storage on the device.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Vacuum does not turn on. | Battery not installed or discharged. | Install a charged Kärcher 18V battery. |
| Low suction power. |
|
|
| Water leaks during wet vacuuming. | Container is overfilled. | Empty the container and ensure it is not filled beyond the maximum level. |
Specifications
| Feature | Detail |
|---|---|
| Brand | Kärcher |
| Model Name | WD 1 Compact |
| Item Model Number | 1.198-307.0 |
| Capacity | 1.8 Gallons |
| Wattage | 230 watts |
| Filter Type | HEPA Filter (Cartridge Filter) |
| Cordless | Yes |
| Product Dimensions (L x W x H) | 15.2" x 11" x 12.3" |
| Item Weight | 8 pounds |
| Noise Level | 70 Decibels |
| Battery Type | Lithium-Ion (Kärcher 18V Battery Platform) |
| Special Features | Blower Function, Compact, Lightweight, Wet/Dry Capability |
Warranty and Support
For warranty information, technical support, or to purchase replacement parts and accessories, please contact Kärcher customer service. Refer to the official Kärcher website or your purchase documentation for specific warranty terms and contact details in your region.
You can visit the official Kärcher store for more information: Kärcher Store
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