Kärcher K 5-91 MD Pressure Washer manual

The Kärcher K 5-91 MD is a high-performance pressure washer designed for efficient cleaning of various surfaces. It features a powerful motor, adjustable pressure settings, and a range of accessories for versatile cleaning tasks. Ideal for patios, vehicles, and outdoor furniture, this pressure washer combines convenience and effectiveness. 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. Regulatory Information 10. Troubleshooting

Features at a Glance

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

Feature	Description
Powerful motor	Delivers high pressure for effective cleaning
Adjustable pressure settings	Customize pressure for different surfaces
Detergent tank	For easy application of cleaning agents
Integrated storage	Convenient storage for hose and accessories
Wheels	For easy mobility

Installation

Unpack the pressure washer and inspect all components. Place the unit on a stable surface.

Connect the high-pressure hose to the machine and the spray gun.
Attach the water supply hose to the inlet.
Fill the detergent tank if using detergent.
Plug into a power outlet.

WARNING! Ensure all connections are secure to prevent leaks.

First-Time Setup

Power on the pressure washer; follow the setup instructions.

Turn on the water supply.
Press the power button to start the unit.
Select the desired pressure setting using the dial.
Test the spray pattern by pulling the trigger on the spray gun.

CAUTION! Do not operate without water supply.

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: Max 40°C.

Controls and Settings

Access the pressure settings via the adjustable dial on the unit. The spray gun features a trigger lock for safety.

Accessories: Various nozzles for different cleaning tasks are included.

Connecting Accessories

Ensure the unit is off before connecting or disconnecting accessories.

Match the nozzle to the spray lance.
Connect the detergent applicator if needed.
Ensure all connections are secure before use.

Tip: Use the appropriate nozzle for the surface being cleaned.

Operating the Pressure Washer

Follow these steps for effective operation:

Turn on the water supply and power.
Adjust the pressure setting as needed.
Pull the trigger to start spraying.
Release the trigger to stop.

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

Maintenance and Care

Regular maintenance is essential for optimal performance. Clean the filter and check hoses for wear.

CAUTION! Always unplug the unit before performing maintenance.

Regulatory Information

This product complies with relevant safety standards and regulations. For support, visit www.karcher.com or contact customer service.

Troubleshooting

Symptom	Possible Cause	Corrective Action
No pressure	Water supply issue	Check water supply and connections.
Unit won't start	Power supply issue	Ensure unit is plugged in and outlet is functional.
Leaking water	Loose connections	Tighten all hose connections.
Inconsistent spray	Clogged nozzle	Clean or replace the nozzle.

Reset: Unplug the unit for 10 seconds to reset.

Service: For assistance, contact customer service at 1-800-123-4567.