Karcher K 3.91 M manual Kärcher Customer Support USA Kärcher Customer Service CDN

Models: K 3.91 M

1 52
Download 52 pages 17 Kb
Page 17
Image 17

Symptom

Cause

Solution

 

 

 

No detergent.

Detergent suction tube not

Check connection.

 

properly connected to the

 

 

machine.

 

 

Detergent is too thick.

Dilute detergent, for best re-

 

 

sults use Kärcher detergent.

 

Filter on detergent suction

Run warm water through filter

 

tube is clogged.

to remove debris.

 

Damaged or clogged deter-

Remove obstruction or replace

 

gent suction tube.

detergent suction tube.

 

Spray wand is in high pres-

Turn spray wand tip to low

 

sure position.

pressure position.

 

Discharge nozzle is obstruct-

Blow out or remove debris with

 

ed.

fine needle.

Garden hose con-

Loose fittings.

Tighten fittings.

nection leaks.

 

 

Missing/worn rubber washer.

Insert new washer.

Spray wand leaks.

Spray wand not properly at-

Insert the spray wand into the

 

tached.

trigger gun. Carefully press in

 

 

against the spring tension and

 

 

twist into the locked position.

 

Broken o-ring or plastic in-

Call Customer Support

 

sert.

 

Pump is noisy.

Pump is sucking air.

Check that hoses and fittings

 

 

are air tight. Turn off machine

 

 

and purge pump by squeezing

 

 

trigger gun until a steady flow

 

 

of water emerges through the

 

 

nozzle.

Water leaks from

Loose fittings.

Check that all fittings are tight.

pump (up to 10

 

 

Water seals are damaged or

Call Customer Support

drops per minute is

worn.

 

permissible).

 

 

Oil Drip.

Oil seals are damaged or

Call Customer Support

 

worn.

 

Kärcher Customer Support USA

 

Kärcher Customer Service CDN

Call: 1-800-537-4129for help or visit

 

Call: 1-800-465-4980for help or visit

our website:

 

our website:

www.karcher-usa.com/home

 

www.karcher-canada.com

English 17

Page 17
Image 17
Karcher K 3.91 M manual Kärcher Customer Support USA Kärcher Customer Service CDN, Symptom Cause Solution

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.