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Kärcher K 3.91 M User Manual

Kärcher K 3.91 M
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K 3.91 M
59632160 05/09
HIGH PRESSURE WASHER - OPERATOR MANUAL
NETTOYEUR HAUTE PRESSION - MANUEL D'UTILISATION
MANUAL DE USUARIO DEL LIMPIADOR DE ALTA PRESIÓN

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Kärcher K 3.91 M Specifications

General IconGeneral
Flow Rate360 l/h
Power Cable Length5 m
Voltage230 V
Frequency50 Hz
Pressure120 bar

Summary

Important Safety Instructions

Electrical Safety Warnings

Precautions regarding electrical apparatus, wiring, and flammable liquids.

Grounding Instructions

Explains the importance of grounding for electrical shock prevention.

Assembly Instructions

Prepare Detergent Suction Tube

Attaching the detergent suction tube with its cap.

Attach Hose Storage

Securing the high pressure hose storage with screws.

Attach Handle

Securing the handle with two screws.

Attach Trigger Gun Storage

Mounting the trigger gun storage onto the handle.

Install Detergent Tank

Placing the detergent tank and attaching its cap and suction tube.

Mount Accessory Net

Mounting the accessory net on the unit's backside.

Connect High Pressure Hose to Gun

Connecting the high pressure hose to the trigger gun securely.

Operating Instructions

Connect High Pressure Hose

Connecting the high pressure hose to the unit's outlet.

Insert Spray Wand

Inserting and locking the spray wand into the trigger gun.

Connect Garden Hose

Connecting the garden hose to the unit's water inlet.

Start Water Supply

Connecting the garden hose to the water source and turning on water.

Connect Power

Plugging the power cord into the power outlet.

Purge Air

Unlocking the trigger gun and purging trapped air.

Turn On Washer

Turning the high pressure washer on.

Using the Accessories

Vario Power Spray Wand

Adjusting cleaning pressure with the Vario Power Spray Wand.

Dirtblaster Nozzle

Using the Dirtblaster nozzle for maximum dirt cutting action.

Working with Detergents

Apply Detergent

Applying detergent at low pressure setting.

Rinse Surface

Rinsing the surface after detergent application.

Cleaning Up Detergent System

Flushing the detergent tank and suction tube.

Shutting Down & Clean-Up

Turn Off Washer

Turning the washer off and unplugging the power cord.

Release Water Pressure

Turning off water supply and releasing residual pressure.

Disconnect Hoses

Disconnecting the garden and high pressure hoses.

Care and Maintenance Instructions

Cleaning the Water Inlet Filter

Step-by-step guide to cleaning the water inlet filter.

Cleaning Tips

General Cleaning Precautions

General advice before cleaning any surface.

Deck Cleaning

Instructions for cleaning decks with or without detergent.

House Siding Cleaning

Instructions for cleaning house siding with or without detergent.

Cement Patios, Brick and Stone Cleaning

Cleaning tips for patios, brick, and stone surfaces.

Car, Boat & Motorcycle Cleaning

Cleaning instructions for vehicles, boats, and motorcycles.

Barbecue Grills, Outdoor Power Equipment & Gardening Tools Cleaning

Cleaning tips for grills, power equipment, and gardening tools.

Patio & Lawn Furniture Cleaning

Cleaning instructions for patio and lawn furniture.

Optional Cleaning Accessories

Pump Guard

Protects the pressure washer from freezing and wear.

Water Pumping Kit

Kit for pumping large quantities of water from a source.

25 Ft. Extension /Replacement High-Pressure Hose

Extension or replacement hose for pressure washers.

66" Extension Wand (Four piece)

Extends reach for cleaning high areas.

Rotating Wash Brush (bayonet)

Brush for cleaning smooth surfaces like cars and windows.

Soft Clean Washing Brush

Soft brush for gentle cleaning of surfaces.

25 ft. Pipe Cleaning Kit (bayonet)

Kit for cleaning blocked pipes, drains, and downspouts.

Wet Sandblasting Kit (bayonet)

Kit for removing paint and rust using abrasive material.

Detergent Foamer Attachment

Attachment for generating a thick foam spray.

T 100 Wide Area Surface Cleaner

Cleaner for large surfaces like patios and driveways.

Troubleshooting

Motor Will Not Start

Troubleshooting steps for when the motor does not start.

Unit Does Not Reach High Pressure

Diagnosing and fixing low pressure issues.

Output Pressure Varies High and Low

Resolving inconsistent output pressure.

No Detergent

Troubleshooting issues with detergent not being dispensed.

Garden Hose Connection Leaks

Fixing leaks at the garden hose connection.

Spray Wand Leaks

Resolving leaks from the spray wand.

Pump is Noisy

Diagnosing and resolving noisy pump issues.

Water Leaks from Pump

Addressing minor water leaks from the pump.

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