Introduction
This user manual provides comprehensive instructions for the safe and efficient operation, maintenance, and troubleshooting of your Kärcher HDS 5/15 UX High-Pressure Cleaner. Please read this manual thoroughly before initial use and keep it for future reference. Adherence to these instructions will ensure optimal performance and extend the lifespan of your unit.
Safety Instructions
Always observe the following safety precautions to prevent injury or damage to the equipment:
- Ensure the unit is placed on a stable, level surface during operation.
- Do not operate the high-pressure cleaner without adequate water supply.
- Always wear appropriate personal protective equipment (PPE), including eye protection and sturdy footwear.
- Never direct the high-pressure jet at people, animals, or electrical equipment.
- Disconnect the power supply before performing any maintenance or cleaning tasks.
- Use only genuine Kärcher accessories and spare parts.
- Keep children and unauthorized persons away from the operating area.
Product Overview
The Kärcher HDS 5/15 UX is a robust high-pressure cleaner designed for professional use. It features a compact design with integrated hose reel for convenient storage and transport.
Main Components
- High-pressure gun with trigger lock
- High-pressure hose with integrated reel
- Spray lance
- Control panel with operating switch
- Water inlet connection
- Fuel tank (for heating system)
- Detergent tank
- Wheels for mobility

Figure 1: Kärcher HDS 5/15 UX High-Pressure Cleaner, showing the main unit with integrated hose reel and handle.

Figure 2: Front view of the Kärcher HDS 5/15 UX, highlighting the control knob and robust casing.
Setup
Unpacking
Carefully remove all components from the packaging. Check for any signs of damage during transit. Retain the packaging for future storage or transport.
Assembly
- Attach the high-pressure gun to the high-pressure hose. Ensure a secure connection.
- Connect the spray lance to the high-pressure gun.
- Extend the handle to its operating position and secure it if applicable.
Connecting to Water and Power
- Connect a garden hose (not supplied) to the water inlet connection of the high-pressure cleaner. Ensure the water supply is clean and free of debris.
- Connect the power cable to a suitable grounded electrical outlet (230 V, 50 Hz). Ensure the power supply matches the unit's requirements.
- If using the hot water function, ensure the fuel tank is filled with appropriate heating oil or gas as per local regulations.
Operating Instructions
Starting the Unit
- Open the water tap completely.
- Switch the main operating switch to the desired mode (cold water, hot water, or steam, if applicable).
- Press the trigger on the high-pressure gun to release air from the system until a steady stream of water emerges.
- The pump will start automatically once the trigger is pressed.
Adjusting Pressure and Temperature
The Kärcher HDS 5/15 UX allows for adjustment of working pressure and water temperature. Use the control knob on the front of the unit to select the desired setting. For optimal cleaning results, start with lower pressure and gradually increase as needed. When using hot water, allow the unit to reach the desired temperature before beginning cleaning.

Figure 3: Demonstrating the effective cleaning of a vehicle using the high-pressure cleaner.

Figure 4: The high-pressure cleaner in action, cleaning heavy-duty construction machinery.
Shutting Down
- Release the trigger on the high-pressure gun.
- Switch the main operating switch to "OFF".
- Close the water tap.
- Press the trigger on the high-pressure gun again to release any residual pressure from the system.
- Disconnect the power plug from the outlet.
- Disconnect the water supply hose.
Maintenance
Regular maintenance ensures the longevity and efficient operation of your Kärcher HDS 5/15 UX. Always disconnect the unit from power and water before performing any maintenance.
Regular Cleaning
- Clean the exterior of the unit with a damp cloth. Do not use abrasive cleaners.
- Inspect the high-pressure hose and connections for any signs of wear or damage. Replace if necessary.
- Clean the spray nozzle regularly to prevent blockages.
Filter Maintenance
The water inlet connection typically has a filter to prevent debris from entering the pump. Check and clean this filter periodically, especially if you notice a decrease in water flow or pressure.
Storage
Before storing the unit, especially for extended periods or in freezing temperatures, ensure all water is drained from the pump and hoses. Store the unit in a dry, frost-free location. The integrated hose reel and compact design facilitate easy storage.

Figure 5: The unit's design allows for easy transport and storage, as demonstrated by a user pulling it.
Troubleshooting
This section provides solutions to common issues you might encounter. If the problem persists, contact Kärcher customer support.
| Problem | Possible Cause | Solution |
|---|---|---|
| Unit does not start. | No power supply; main switch off; thermal overload. | Check power connection; turn main switch on; allow unit to cool down. |
| No water pressure or low pressure. | Water supply off; clogged water inlet filter; air in pump; worn nozzle. | Open water tap; clean filter; bleed air from pump; replace nozzle. |
| Water leaks from connections. | Loose connections; damaged O-rings/seals. | Tighten connections; replace O-rings/seals. |
| Heating system not working. | No fuel; burner malfunction. | Check fuel level; contact service for burner issues. |
Specifications
Technical data for the Kärcher HDS 5/15 UX High-Pressure Cleaner:
| Feature | Value |
|---|---|
| Model Number | 1.064-913.0 |
| Connection Power | 2700 W |
| Fuel/Gas Consumption (full load) | 2.4 kg/h |
| Input Frequency (AC) | 50 Hz |
| Input Voltage (AC) | 230 V |
| Maximum Working Pressure | 150 bar |
| Tank Volume | 6.5 L |
| Maximum Flow Rate | 450 L/h |
| Dimensions (Width x Depth x Height) | 620 mm x 620 mm x 1160 mm |
| Weight | 76 kg |
| Color | Grey, Black |
| Compliance | CE |
Warranty and Support
Warranty Information
Kärcher products are manufactured to the highest quality standards and come with a manufacturer's warranty. Please refer to the warranty card included with your purchase for specific terms and conditions, or visit the official Kärcher website for detailed warranty information applicable to your region.
Customer Support
For technical assistance, spare parts, or service inquiries, please contact Kärcher customer support. You can find contact details on the official Kärcher website or through your local authorized dealer. When contacting support, please have your model number (1.064-913.0) and serial number ready.
Visit the official Kärcher Store for more information: Kärcher Store on Amazon.nl







