Optional Cleaning Accessories

Optional accessories are available to further enhance your cleaning capabili- ties. These accessories are accurate as of the printing date of this manual. Please check our website www.karch- er-usa.com/home for pricing and up-to- date information.

your pressure washer by up to 66" with this extension kit. Includes 4 aluminum sections for variable length. 66" fully as- sembled. Fits most Karcher pressure washers up to 2300 PSI. (bayonet)

Part No. 2.640-746.0

Pump Guard

Specially formulated to protect your pressure washer from freezing, corro- sion and premature wear. The Pump Guard also adds lubrication to valves and seals to prevent sticking. Highly recommended for all Karcher pressure washers!

Part No. 9.558-998.0

Water Pumping Kit

Attach this accessory to your pressure washer to quickly pump large quantities of water out of a standing source, such as a barrel or bucket. Fits most Karcher pressure washers up to 2300 PSI.

Part No. 2.637-214.0

25 Ft. Extension /Replacement

High-Pressure Hose

Replacement hose fits Kärcher pres- sure washer with screw-on type gun connections from 2400psi to 2500psi, Extension Hose for all Kärcher high pressure washers between the original equipment hose and machine up to 2500 psi.

Part No. 2.640-850.0

66" Extension Wand (Four piece)

Need to clean second story windows or other high areas? Increase the reach of

Rotating Wash Brush (bayonet)

For more effortless cleaning of all smooth surfaces (painted, glass and plastic) try Karcher's Rotating Wash Brush. Use it on your automobile, house siding or windows. The water pressure from your pressure washer causes the inner brushes to gently spin, making your cleaning job much easier. The an- gle of brush head is adjustable to help you reach difficult areas. Excellent for the application of detergent. A must- have accessory designed for Karcher pressure washers up to 2300 PSI. (bay- onet)

Part No. 2.640-743.0

Soft Clean Washing Brush

Made with soft bristles that will not harm painted surfaces. Easily attaches direct- ly to the trigger gun. Ideal for stubborn dirt on cars, boats, patio furniture and other surfaces. Great for applying deter- gent. Fits most Karcher pressure wash- ers up to 2300 PSI. (bayonet)

Part No. 2.640-740.0

25 ft. Pipe Cleaning Kit (bayonet)

Need to clean blocked pipes, drains or downspouts? Karcher's pipe cleaning kit is the answer! The pipe cleaner pro- pels itself forward while simultaneously flushing out debris. For example, insert

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K 3.91 M specifications

The Kärcher K 3.91 M is a powerful and versatile high-pressure cleaner designed to meet various cleaning needs around the home and garden. This compact and lightweight pressure washer is perfect for anyone seeking effective cleaning solutions for vehicles, patios, garden furniture, and more.

One of the standout features of the K 3.91 M is its impressive cleaning power, boasting a maximum pressure of up to 120 bar. This level of pressure allows for the efficient removal of dirt and grime, ensuring that surfaces are left spotless. The machine is equipped with a reliable 1.5 kW motor that combines power with energy efficiency, making it an environmentally friendly choice.

The K 3.91 M comes with an integrated detergent tank which simplifies the cleaning process by allowing users to apply detergents directly from the unit. This feature is especially useful for tackling stubborn stains and dirt, ensuring a thorough clean. Additionally, the adjustable detergent dosing system lets users regulate the amount of detergent used, further enhancing the cleaning experience.

Another notable attribute of the K 3.91 M is its range of included accessories. The pressure washer is equipped with a trigger gun for easy operation, a 6-meter high-pressure hose for extended reach, and a variety of nozzles to cater to different cleaning tasks. The Vario Power Spray lance allows users to adjust the pressure quickly, making it easy to switch between delicate surfaces and tougher cleaning tasks as needed.

Portability is key with the K 3.91 M, and the unit features a compact design with a built-in carrying handle, making it easy to transport and store. Its integrated storage for hoses and accessories ensures that everything stays organized and within reach.

In terms of durability, Kärcher is known for producing high-quality products, and the K 3.91 M is no exception. Constructed with robust materials, it is built to withstand the rigors of regular use while maintaining optimal performance.

Overall, the Kärcher K 3.91 M is an excellent choice for homeowners and DIY enthusiasts looking for a reliable and efficient high-pressure cleaner. With its powerful motor, versatile cleaning capabilities, and user-friendly design, it can tackle a wide range of cleaning tasks with ease. Whether for occasional use or more frequent cleaning needs, the K 3.91 M delivers consistent results and exceptional value.

Karcher K 3.91 M manual Optional Cleaning Accessories

Models: K 3.91 M