Kärcher K 3.48 M User Manual

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K 3.48 M
HIGH PRESSURE WASHER - OPERATOR MANUAL
NETTOYEUR HAUTE PRESSION - MANUEL D'UTILISATION
MANUAL DE USUARIO DEL LIMPIADOR DE ALTA PRESIÓN

Kärcher K 3.48 M Specifications

General

Max Pressure	120 bar
Flow Rate	360 l/h
Hose Length	6 m
Cable Length	5 m
Max. Water Inlet Temperature	40 °C
Detergent Tank	Yes
Power	1600 W

Summary

Safety Alert Symbols

DANGER

Indicates an imminently hazardous situation which, if not avoided, will result in death or serious injury.

WARNING

Indicates a potentially hazardous situation which, if not avoided, could result in death or injury.

CAUTION

Indicates a potentially hazardous situation which, if not avoided, may result in minor or moderate injury or in property damage incidents.

Owner/User Responsibility

Specifications

Model Overview

Main Unit Components

Identifies key parts like water inlet, outlet, controls, and storage features.

Spray Gun and Accessories

Details the trigger gun, safety lock, hose, and spray wands.

Important Safety Instructions

Injection and Explosion Hazards

Warnings about direct discharge streams and flammable liquids.

Handling and Electrical Safety

Advice on gun handling, electrocution risks, and electrical apparatus.

Detergent Use and Warnings

Guidance on recommended detergents and prohibited chemicals.

Grounding and GFCI Protection

Grounding Instructions

Ensuring proper grounding for electrical safety.

GFCI Protection

Explanation of the ground-fault circuit-interrupter safety feature.

Water Supply

Water Connection Regulations

Adherence to local water company regulations for connection.

Water Supply Requirements

Details on hose diameter, flow rate, and temperature.

Water Contamination Warning

Avoidance of using contaminated water for operation.

Assembly Instructions

Required Tools and Initial Assembly

Lists necessary tools and steps for mounting loose parts.

Connecting and Disconnecting Hose

Procedure for attaching and removing the high pressure hose.

Operating Instructions

Connecting Hoses and Wands

Steps for connecting the high pressure hose, spray wand, and water inlet.

Connecting Water Supply

Procedure to connect the garden hose to the unit and water source.

GFCI and System Purge

Steps for plugging in, testing GFCI, and purging air from the system.

Starting the Unit

How to unlock the trigger gun and start the motor.

Using Accessories and Detergents

Accessory Usage

Guidance on using the Vario Power Spray Wand and Dirtblaster nozzle.

Working with Detergents

Steps for applying detergent and filling the detergent tank.

Detergent Application and Cleaning

Detergent Application and Rinsing

Steps for applying detergent and rinsing surfaces.

Detergent System Flush

Instructions for flushing remaining detergents from the injection system.

Detergent Recommendations and Warnings

Information on recommended and prohibited detergents.

Taking a Break

Securing the Trigger Gun

Procedure to release the trigger and engage the safety lock.

Powering Off the Unit

Steps to turn the pressure washer to the OFF position.

Shutting Down and Clean-Up

Powering Down and Disconnecting

Steps to turn off the unit, unplug, and disconnect water sources.

Releasing Pressure and Disconnecting Hoses

Procedure to release residual pressure and detach hoses.

Winterizing and Long-Term Storage

Storage Preparation

Disconnecting water, draining the pump, and proper storage environment.

Pump Protector Use

Recommendation for using a pump protector for cold weather storage.

Care and Maintenance Instructions

Cleaning the Water Inlet Filter

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

Maintenance Summary

Note indicating the unit is maintenance-free.

Cleaning Tips

General Cleaning Precautions

Advice on testing surfaces and handling painted surfaces.

Surface Cleaning Guidelines

Instructions for cleaning decks and house siding.

Additional Cleaning Tips

Hard Surface Cleaning

Methods for cleaning patios, brick, and stone.

Vehicle and Outdoor Item Cleaning

Tips for cleaning cars, boats, furniture, and equipment.

Optional Cleaning Accessories

Pump Protection and Extension

Accessories for pump guard and extending hose reach.

Specialized Cleaning Attachments

Accessories like rotating brushes and pipe cleaning kits.

Advanced Accessories

Sandblasting and Foaming Attachments

Accessories for rust removal and detergent foaming.

Wide Area Surface Cleaner

Accessory for efficient cleaning of large flat areas.

Troubleshooting

Startup and Pressure Issues

Common causes and solutions for motor not starting or low pressure.

Inconsistent Pressure Output

Troubleshooting advice for fluctuating pressure.

Further Troubleshooting

Detergent and Leak Issues

Solutions for no detergent, leaks, or noisy pump operation.

Water Leaks and Oil Drip

Troubleshooting leaks from the pump and oil drips.