Husqvarna K760 User Manual

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K760
K760 Rescue
Operator’s manual
Please read the operator’s manual carefully and make sure you understand the instructions before using the machine.

Husqvarna K760 Specifications

General

Engine Power	3.7 kW
Cylinder Displacement	73.5 cm³
Sound Power Level, Guaranteed (LWA)	115 dB(A)
Vibrations Front Handle	2.4 m/s²
Engine Type	2-stroke
Fuel Tank Capacity	0.95 l
Idle Speed	2700 rpm
Max. Recommended Speed	9000 rpm
Sound Pressure Level	101 dB(A)
Blade Diameter	350 mm
Maximum Cutting Depth	125 mm

Summary

KEY TO SYMBOLS

Manual Version

Details the North American version of the manual.

Symbols on the Machine

Explains symbols used on the machine for safety and function.

Explanation of Warning Levels

Defines the different levels of warnings used in the manual.

PRESENTATION

Owner Responsibility

Outlines the owner's duties for safe operation and knowledge.

Manufacturer's Reservation

States Husqvarna's right to modify products and issue updates.

Design and Features

Details unique features of the power cutter, including filtration and starting.

PRESENTATION

What is what on the Power Cutter - K760?

Identifies and labels the main components of the K760 power cutter.

PRESENTATION

What is what on the Power Cutter - K760 Rescue?

Identifies and labels the main components of the K760 Rescue power cutter.

MACHINE'S SAFETY EQUIPMENT

General Safety

General safety warnings and advice for operating the machine.

Throttle Lockout

Explains the function and checking of the throttle lockout mechanism.

Stop Switch

Details the operation and checking of the engine stop switch.

MACHINE'S SAFETY EQUIPMENT

Blade Guard

Describes the purpose and checks for the blade guard.

Vibration Damping System

Explains the vibration damping system and its inspection.

Muffler

Details the muffler's function, heat hazard, and inspection.

CUTTING BLADES

General Blade Information

General warnings and recommendations for using cutting blades.

Blades for Different Materials

Provides guidance on selecting blades for various materials.

High-Speed Handheld Machines

Specifies blade requirements for high-speed handheld cutters.

Blade Vibration

Explains causes and solutions for blade vibration.

CUTTING BLADES

Abrasive Blades

Details abrasive blades, their material, and warnings for use with water.

Diamond Blades

Explains diamond blades, their composition, and general use.

Diamond Blades for Different Materials

Lists applications for diamond blades in various materials.

Sharpening Diamond Blades

Provides methods for sharpening dull diamond blades.

CUTTING BLADES

Diamond Blade Cooling and Usage

Discusses blade heating, cooling methods for dry and wet cutting.

Toothed Blades (Rescue)

Strong warnings against using toothed blades and regulatory requirements.

Transport and Storage

Instructions for safely transporting and storing cutting blades.

ASSEMBLING AND ADJUSTMENTS

General Assembly Precautions

General safety precautions for assembly and adjustments.

Pre-Assembly Checks

Checks for spindle shaft, washers, bushing, and blade rotation direction.

Fitting the Cutting Blade

Step-by-step guide for fitting a cutting blade to the machine.

Blade Guard Adjustment

Instructions for adjusting and ensuring the blade guard is fitted.

ASSEMBLING AND ADJUSTMENTS

Disengaging OilGuard (K760 OilGuard)

Procedure to deactivate or reactivate the OilGuard system.

Reversible Cutting Head

Instructions for reversing the cutting head and associated warnings.

FUEL HANDLING

General Fuel Safety

General safety precautions and warnings related to fuel handling.

Fuel and Oil Types

Covers gasoline grades, environmental fuels, and two-stroke oil.

Mixing and Ratios

Instructions for mixing fuel and oil and recommended ratios.

FUEL HANDLING

Fueling Precautions

Precautions and steps to take when refuelling the machine.

Transport and Storage

Guidelines for safe transport and storage of the machine and fuel.

Long-Term Storage

Procedures for storing the machine for extended periods.

OPERATING

Personal Protective Equipment

Details essential personal protective equipment for safe operation.

General Safety Precautions

Basic safety directions and common sense advice for machine use.

Using Common Sense

Emphasizes using judgment and seeking advice when unsure.

OPERATING

Work Area Safety

Safety measures for the work area, including safety distance and obstacles.

Basic Working Techniques

Fundamental techniques and warnings for operating the power cutter.

OPERATING

Managing Dust

Methods for dust suppression using the machine's water flushing kit.

OPERATING

Rescue Cutting with Carbide Blades

Safety for rescue ops with carbide blades, thin material, pinching, and cutting in line.

Pre-Rescue Operation Checks

Checks to perform before starting a rescue operation cut.

OPERATING

Understanding Kickback

Explains kickback causes, climbing, pinching, reactive force, and zones.

Pipe Cutting

Special considerations and techniques for cutting pipes.

OPERATING

How to Avoid Kickback

Simple steps to avoid kickback situations during cutting.

Transport and Storage

Guidelines for securing equipment during transport and storage.

STARTING AND STOPPING

Before Starting

Essential checks and preparations before starting the machine.

Starting Procedure

Step-by-step guide for starting the engine, including cold start.

Decompression Valve

How to use the decompression valve for easier starting.

STARTING AND STOPPING

Starting with a Warm Engine

Procedure for starting the engine when it is warm.

Stopping the Engine

Instructions on how to safely stop the engine.

MAINTENANCE

General Maintenance

General warnings and advice for user-performed maintenance.

Maintenance Schedule

Overview of maintenance tasks and their recommended intervals.

MAINTENANCE

Cleaning and Spark Plug

Procedures for cleaning the machine, air intake, and spark plug maintenance.

Drive Belt Maintenance

Instructions for checking, tensioning, and replacing the drive belt.

Functional Inspections

General inspections and checks for various machine components.

MAINTENANCE

Replacing the Drive Belt

Step-by-step guide for replacing the drive belt.

Carburetor and Idle Speed

Troubleshooting and adjustment of the carburetor and idle speed settings.

Starter Maintenance

Advice and warnings for changing starter cords and recoil springs.

MAINTENANCE

Changing a Broken Recoil Spring

Detailed steps for replacing a broken recoil spring.

Tensioning the Recoil Spring

Procedure for properly tensioning the recoil spring.

Fitting the Starter

Instructions for fitting the starter assembly back onto the machine.

MAINTENANCE

Fuel System and Filter

Checks for fuel system components, including the fuel filter replacement.

Air Filter

Procedure for checking and replacing the air filter.

Drive Gear and Clutch

Check for wear on drive gear and clutch components.

TROUBLESHOOTING

Troubleshooting Schedule

A table listing common problems, their causes, and potential solutions.

TECHNICAL DATA

Technical Specifications

Specifications for the motor, ignition, fuel, and weight.

Cutting Equipment Data

Specifications for cutting blades, including diameter, depth, and speed.

FEDERAL EMISSION CONTROL WARRANTY STATEMENT

Warranty Rights, Obligations, and Coverage

Details owner rights, obligations, warranty coverage, and exclusions.

Filing Claims and Service Locations

Provides guidance on filing warranty claims and finding authorized service dealers.

Emission-Related Parts Maintenance and Repair

Covers maintenance, replacement of emission parts and the parts list.

Owner's Maintenance Responsibility

Highlights the owner's role in performing required maintenance.