Kärcher K 6-91 MD Pressure Washer Manual

The Kärcher K 6-91 MD is a powerful pressure washer designed for efficient cleaning of various surfaces. It features a robust motor, adjustable pressure settings, and a range of accessories for versatile cleaning tasks. Below are key sections for safety, features, installation, setup, operation, and troubleshooting.

1. Features at a Glance 2. Installation 3. First-Time Setup 4. Specifications 5. Controls and Settings 6. Connecting Accessories 7. Operating the Pressure Washer 8. Maintenance and Care 9. Safety Information 10. Troubleshooting

Features at a Glance

Key components: High-pressure hose, adjustable spray lance, detergent tank, and integrated storage for accessories.

Feature	Description
High-pressure hose	Durable hose for extended reach and flexibility
Adjustable spray lance	Allows for different spray patterns
Detergent tank	Integrated tank for easy detergent application
Onboard storage	Convenient storage for accessories and hose
Powerful motor	Efficient cleaning performance

Installation

Unpack and inspect contents. Place the pressure washer on a stable surface.

Connect the water supply: Attach the garden hose to the water inlet.
Connect the high-pressure hose: Securely attach the hose to the pressure washer.
Plug into AC power: Ensure the outlet is suitable for the pressure washer.

WARNING! Ensure all connections are secure to prevent leaks.

First-Time Setup

Power on the pressure washer; follow the setup instructions.

Set the desired pressure: Adjust the pressure settings according to the cleaning task.
Fill the detergent tank: Use the recommended detergent for optimal results.
Test the spray pattern: Adjust the spray lance to ensure proper coverage.

CAUTION! Always wear appropriate safety gear during operation.

Specifications

Power: 1600W motor.
Pressure: Up to 130 bar.
Flow Rate: 420 liters/hour.
Weight: 12 kg.
Hose Length: 8 meters.
Detergent Tank Capacity: 1 liter.
Operating Temperature: Maximum 40°C.

Controls and Settings

Access controls on the pressure washer for adjusting pressure and detergent settings.

Features: Power switch, pressure adjustment knob, and detergent control.

Connecting Accessories

Ensure the pressure washer is off before connecting any accessories.

Attach the spray lance: Securely connect the lance to the high-pressure hose.
Connect additional nozzles: Use compatible nozzles for different cleaning tasks.

Tip: Refer to the accessory manual for compatibility.

Operating the Pressure Washer

Follow these steps to operate the pressure washer effectively.

Turn on the water supply before starting the machine.
Power on the pressure washer and adjust the pressure settings.
Begin cleaning by pulling the trigger on the spray lance.
Release the trigger to stop the flow of water.

WARNING! Do not point the spray lance at people or animals.

Maintenance and Care

Regular maintenance ensures optimal performance of the pressure washer.

Clean the filter regularly to prevent clogs.
Store the pressure washer in a dry place when not in use.
Inspect hoses and connections for wear and tear.

Safety Information

Always follow safety guidelines to prevent accidents.

Wear protective eyewear and gloves during operation.
Do not operate in wet conditions to avoid electric shock.
Keep children and pets away from the working area.

Troubleshooting

Symptom	Possible Cause	Corrective Action
No power	Power cord disconnected	Check power connection and reset outlet.
Low pressure	Clogged nozzle	Clean or replace the nozzle.
Water leaks	Loose connections	Tighten all hose and connection fittings.
Detergent not dispensing	Empty detergent tank	Refill the detergent tank.

Reset: Refer to the manual for reset instructions if available.

Service: For assistance, contact Kärcher customer service.