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

Page 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

Image 17
Contents 91 M Safety Alert Symbols SpecificationsHigh Pressure Washer Operator Manual Owner/User ResponsibilityModel Overview Important Safety Instructions Required tools Assembly InstructionsWater Supply Cold Water Only Attach the handle and secure with 2 screws Operating Instructions Dirtblaster Using the AccessoriesVario Power Spray Wand Detergents can only be applied at low pressure Min Step Working with DetergentsOne Gallon ready to use Never useShutting Down & CLEAN-UP Cleaning the water inlet filter Care and Maintenance InstructionsMaintenance Winterizing and LONG-TERM StorageDeck Cleaning Cleaning TipsHouse Siding Cement Patios, Brick and StoneRecommendations Patio & Lawn FurnitureOptional Cleaning Accessories Detergent Foamer Attachment Wide Area Surface CleanerWet Sandblasting Kit bayonet Symptom Cause Solution TroubleshootingSymptom Cause Solution Kärcher Customer Support USA Kärcher Customer Service CDNEspecificaciones Manual DE Usuario DEL Limpiador DE Alta PresiónSoporte Kärcher Mexico Símbolos de aviso de seguridad Responsabilidades del propieta Rio/usuarioVista General DEL Modelo Instrucciones de puesta a tierra Instrucciones DE Seguridad ImportantesSuministro DE Agua sólo Agua fría Guarde Estas INS- TruccionesPaso Instrucciones DE MontajeHerramientas necesarias Instrucciones DE Funcionamiento No usar si el test anterior da error Pulverizador telescópico variable accionado mecánicamente Utilización DE LOS AccesoriosNo utilice nunca Trabajar CON DetergentesEl uso de estos objetos invalidará la garantía Apagado Y LimpiezaMantenimiento Instrucciones DE Conservación Y MantenimientoLimpieza del filtro de entrada de Agua Limpieza de cubiertas Consejos DE LimpiezaSolapados de la casa Patios de cemento, ladrillos y PiedrasRecomendaciones Mobiliario de patios y jardinesAccesorios DE Limpieza Opcionales Limpiador de superficies de zo Nas amplias T Kit de limpieza de tubos de Pies bayonetaAccesorio espumador de deter Gente Síntoma Causa Solución Localización Y Reparación DE AveríasgCo rotos Cliente Síntoma Causa SoluciónResponsabilité du propriétaire De lutilisateur Nettoyeur Haute Pression Manuel DutilisationCaractéristiques Generalites Instructions de mise à terre Consignes DE Securite ImportantesAlimentation EN EAU eau Froide seulement Protection par disjoncteur diffé RentielTournevis Philips, médiale non fourni Instructions DE MontageOutils nécessaires Mode Demploi Avertissement Lance Vario Utilisation DES AccessoiresNe jamais utiliser Emploi DE DetergentsLitres 1 gallon prêt à lemploi Arrêt DE Lappareil ET Nettoyage Prendre UNE Pause ...cinq minutes ou plusMaintenance Instructions Dentretien ET DE MaintenanceRemisage Hivernal ET Entreposage a Long Terme Nettoyage du filtre dadmission DeauTerrasses en bois Conseils DE NettoyagePatios de ciment, briques et pier Res Revêtements de façadesMeubles de patio et de jardin RecommandationsAccessoires DE Nettoyage EN Option Kit de sablage humide baïon Nette Kit de nettoyage de conduite 25 Ft ,5 m baïonnetteEmbout moussant Nettoyeur grande surface T-Ra CerDépannage Symptôme Cause SolutionSymptôme Cause Solution Kärcher Customer Support USA

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.