Husqvarna 545FX User Manual

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545FR, 545FX, 545FXT,
545RX, 545RXT
Operator’s manual
Please read the operator’s manual carefully and make sure you understand the instructions
before using the machine.

Husqvarna 545FX Specifications

General

Cylinder Displacement	45.7 cm³
Vibration Level Front Handle	3.2 m/s²
Power Output	2.1 kW
Engine Type	2-stroke
Fuel Tank Volume	0.9 l

Summary

Key to Symbols

Symbols Overview

Explains symbols used in the manual for safe operation and identification.

Introduction

Welcome and Product Information

Welcomes the user and provides background on the Husqvarna product.

What Is What?

Brush Cutter Component Identification

Identifies all major parts of the brush cutter with diagrams for user reference.

General Safety Precautions

Pre-Operation Safety Measures

Lists essential safety measures and warnings before operating the machine.

Personal Protective Equipment

Details required safety gear for operators, including helmet, hearing, and eye protection.

Machine Safety Features

Explains controls like throttle lockout, stop switch, and cutting guards.

Component Safety and Maintenance

Covers vibration damping, quick release, muffler, and cutting equipment safety.

Cutting Attachment Care

Instructions for sharpening and maintaining saw blades and trimmer heads.

Assembly

Initial Machine Assembly

Guides for assembling the handlebar, throttle, and cutting equipment.

Attaching Guards and Attachments

Instructions for fitting various guards and cutting attachments correctly.

Harness and Balance Adjustment

Steps for adjusting the harness and achieving machine balance for operation.

Fuel Handling

Fuel Safety Precautions

Essential safety precautions when handling fuel to prevent fire and injury.

Fuel Types and Fueling

Information on recommended fuel, oil mixtures, and safe refuelling procedures.

Starting and Stopping

Pre-Start Checks and Procedures

Crucial checks and steps before starting, including cold/warm engine starts.

Engine Stopping and Features

Instructions for safely stopping the engine and information on heated handles.

Working Techniques

General Operation Guidelines

Provides general guidance, safety rules, and basic operating practices.

Specific Clearing Methods

Details techniques for forestry clearing, brush cutting, and grass trimming.

Trimmer Head Usage

Guidance on trimming grass, clearing edges, and sweeping with a trimmer head.

Maintenance

Engine and Component Maintenance

Procedures for maintaining the carburettor, cooling system, air filter, and spark plug.

Drivetrain and Component Care

Covers maintenance of the bevel gear, drive shaft, and specific component care.

Operational Adjustments and Winter Prep

Includes muffler care, winter operation, and specific lubrication points.

Troubleshooting and Scheduling

Guides for diagnosing issues and planning routine maintenance tasks.

Technical Data

Machine Specifications and Performance

Details on engine, performance, noise, vibration, and weight specifications.

Approved Accessories and Compliance

Lists compatible accessories and the EC Declaration of Conformity.