1. Product Overview
The Kärcher PCL 3-18 Wood Surface Brush Roller Set (Model 2.644-339.0) is designed for effective cleaning of wood surfaces and WPC (Wood Plastic Composite) decking. This set includes two cylindrical brushes that replace the standard brushes of the Kärcher PCL 3-18 patio cleaner, ensuring thorough and deep cleaning results.

Figure 1: Kärcher PCL 3-18 Wood Surface Brush Roller Set. This image shows the two cylindrical brushes included in the set, designed for cleaning wood and WPC surfaces.
2. Safety Instructions
Always observe the safety instructions provided in the main operating manual for your Kärcher PCL 3-18 patio cleaner. The following points are specific to the brush roller set:
- Ensure the PCL 3-18 device is switched off and disconnected from the power supply before installing or removing the brush rollers.
- Do not use damaged brush rollers. Inspect them for wear or damage before each use.
- Keep hands and loose clothing away from rotating parts during operation.
- Store brush rollers in a dry, clean place away from direct sunlight and extreme temperatures.
3. Package Contents
Verify that all items are present upon unpacking:
- 2 x Cylindrical Brush Rollers for Wood Surfaces
Note: The Kärcher PCL 3-18 patio cleaner is sold separately and is required for the use of these brush rollers.
4. Setup and Installation
The brush rollers are designed for easy, tool-free replacement on your Kärcher PCL 3-18 patio cleaner.
- Power Off: Ensure your Kärcher PCL 3-18 device is switched off and unplugged from the power source.
- Remove Old Brushes: Refer to your PCL 3-18 manual for specific instructions on how to release and remove the existing brush rollers. Typically, this involves pressing release buttons or levers.
- Install New Brushes: Align the new wood surface brush rollers with the mounting points on the PCL 3-18. Gently push them into place until they click securely. Ensure both rollers are properly seated and can rotate freely.
- Verify Installation: Lightly tug on the installed brushes to confirm they are firmly attached before reconnecting power and operating the device.

Figure 2: Illustrative image of brush roller installation. The image depicts the process of inserting the new brush rollers into the Kärcher PCL 3-18 device until they lock into position.
5. Operating Instructions
Once the wood surface brush rollers are installed, operate your Kärcher PCL 3-18 patio cleaner according to its main operating manual. These brushes are optimized for:
- Wood Surfaces: Ideal for cleaning wooden decks, patios, and other outdoor wood structures.
- WPC Decking: Suitable for composite decking materials, providing effective cleaning without damage.
Always test on an inconspicuous area first to ensure compatibility and desired cleaning results, especially on delicate or treated wood surfaces. Maintain a steady, even pace during cleaning to achieve uniform results.
6. Maintenance
Proper maintenance extends the lifespan of your brush rollers and ensures consistent cleaning performance.
- Cleaning After Use: After each use, remove the brush rollers from the PCL 3-18. Rinse them thoroughly with clean water to remove dirt, debris, and cleaning solution residues.
- Inspection: Regularly inspect the bristles for wear, damage, or embedded foreign objects. Remove any tangled debris.
- Drying: Allow the brush rollers to air dry completely before storing them. Do not store them wet, as this can lead to mildew or damage.
- Storage: Store the dry brush rollers in a cool, dry place, protected from direct sunlight and frost.
- Replacement: Replace brush rollers when bristles show significant wear, are damaged, or cleaning performance diminishes.
7. Troubleshooting
If you encounter issues with your brush rollers, consider the following:
| Problem | Possible Cause | Solution |
|---|---|---|
| Poor cleaning performance | Worn bristles; incorrect pressure; excessive speed. | Replace brush rollers; adjust pressure and speed according to PCL 3-18 manual. |
| Brushes not rotating freely | Debris caught in brushes; improper installation. | Remove debris; re-install brushes ensuring they click into place. |
| Unusual noise during operation | Damaged brushes; foreign object. | Inspect brushes for damage and replace if necessary; check for and remove foreign objects. |
For further troubleshooting or issues related to the Kärcher PCL 3-18 device itself, refer to its dedicated instruction manual or contact Kärcher customer support.
8. Specifications
| Feature | Detail |
|---|---|
| Model Number | 2.644-339.0 |
| Manufacturer | Kärcher |
| Product Dimensions (L x W x H) | 13.4 x 10 x 10 cm |
| Weight | 530 grams |
| Color | Black |
| Intended Use | Wood surfaces, WPC decking |
| Components Included | Two brush rollers |
| Power Source Type | Manual power (used with PCL 3-18 device) |
| Country of Origin | China |
9. Warranty and Support
For warranty information regarding the Kärcher PCL 3-18 Wood Surface Brush Roller Set, please refer to the warranty documentation provided with your Kärcher PCL 3-18 patio cleaner or visit the official Kärcher website. Kärcher provides customer support for product inquiries, technical assistance, and spare parts.
Kärcher Official Website: www.kaercher.com
Please have your product model number (2.644-339.0) and purchase details ready when contacting support.





