Karcher K 4 Operator's Manual

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Karcher K 4 Specification

The Karcher K 4 is a high-performance electric pressure washer designed for residential cleaning tasks. It features a robust 1800-watt motor capable of delivering a maximum pressure of 130 bar and a flow rate of up to 420 liters per hour, making it suitable for efficiently cleaning cars, bicycles, garden furniture, and small to medium-sized patios. The unit comes equipped with a Vario Power spray lance, which allows users to adjust the pressure directly on the lance for versatile cleaning applications. Additionally, it includes a Dirt Blaster spray lance with a rotating point jet nozzle to tackle stubborn dirt, enhancing its cleaning power.

The K 4 features an innovative water-cooled induction motor, which improves performance and longevity by reducing wear and tear. It incorporates a Plug 'n' Clean detergent system, simplifying the application of detergents and allowing quick and easy changes of cleaning agents. The pressure washer's hose is a generous six meters long, providing flexibility and reach. An ergonomic design with a telescopic handle and sturdy wheels ensures ease of transport and storage.

For user convenience, the Karcher K 4 is equipped with an onboard accessory storage system, keeping the lances and hose neatly stored and readily accessible. It also features a quick-connect system for the high-pressure hose, facilitating easy setup and takedown. With its combination of power, efficiency, and user-friendly design, the Karcher K 4 is an ideal choice for homeowners seeking a reliable and versatile pressure washer for regular maintenance and cleaning tasks around their properties.

Karcher K 4 F.A.Q.

How do I assemble my Karcher K 4 pressure washer?

To assemble the Karcher K 4, start by attaching the handle to the main unit using the provided screws. Connect the high-pressure hose to the spray gun and the water outlet. Finally, connect the garden hose to the water inlet. Make sure all connections are secure before use.

What should I do if my Karcher K 4 does not start?

First, check if the power supply is connected and turned on. Ensure the extension cord (if used) is functional. Verify that the power switch is in the 'I' position. If it still does not start, check the fuse and reset the Ground Fault Circuit Interrupter (GFCI) if necessary.

How can I prevent my Karcher K 4 from losing pressure during use?

Ensure that the water supply is adequate and not restricted. Check for any kinks or leaks in the hose. Clean the nozzle and water inlet filter to remove any blockages. Regular maintenance of seals and o-rings can also prevent pressure loss.

What is the correct way to store the Karcher K 4 after use?

After use, disconnect the power and water supply. Squeeze the trigger to release any residual pressure. Drain excess water from the pump by tilting the unit. Store the pressure washer indoors or in a dry, frost-free area. Wrap the hose and cable neatly to avoid damage.

How do I clean the filter on my Karcher K 4?

To clean the filter, first disconnect the water supply and remove the filter from the water inlet. Rinse the filter under running water to remove dirt and debris. If necessary, use a soft brush for stubborn deposits. Reinstall the filter once it is clean and dry.

What type of detergent can I use with the Karcher K 4?

Use only detergents specifically designed for pressure washers and follow the manufacturer's instructions. Karcher offers a range of compatible detergents for various cleaning tasks. Avoid using harsh chemicals or solvents that may damage the unit.

How often should I perform maintenance on my Karcher K 4?

Regular maintenance is recommended after every 5-10 uses. This includes checking hoses and connections for leaks, cleaning the nozzle and filter, and inspecting the power cord for any damage. Annual servicing is advised for optimal performance.

Why is my Karcher K 4 making unusual noises?

Unusual noises may indicate air in the system or blocked nozzles. Check the water supply and ensure there are no leaks. Run the pressure washer with just water to purge air. Inspect and clean the nozzle as necessary. Persistent noise may require professional servicing.

How can I troubleshoot a leaking Karcher K 4 pressure washer?

Inspect all hoses, connections, and seals for damage or wear. Tighten any loose fittings. Replace damaged o-rings or seals. If the leak persists, it may be necessary to replace worn components or consult a professional for repair.

Can the Karcher K 4 be used with hot water?

The Karcher K 4 is designed for use with cold water. Using hot water may damage internal components. If hot water cleaning is required, consider a model specifically designed for hot water use.