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Husqvarna 445 II User Manual

Husqvarna 445 II
120 pages
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445 II, 445e II, 450 II, 450e II
EN Operator's manual 19-41
ES Manual de usuario 42-66
FR Manuel d'utilisation 67-92
PT Manual do utilizador 93-117

Questions and Answers:

Husqvarna 445 II Specifications

General IconGeneral
Engine Power2.1 kW
Cylinder Displacement45.7 cm³
Weight (excl. cutting equipment)4.9 kg
Fuel Tank Volume0.45 L
Oil Tank Volume0.26 L
Sound Power Level114 dB(A)
Vibration Level (left/right handle)3.1/4.9 m/s²
Chain Pitch0.325 inch
Chain Gauge1.3 mm (0.05 in)

Summary

Product Description

Introduction

The Husqvarna 445 II, 445e II, 450 II, 450e II are chainsaw models with a combustion engine.

Product Overview

Lists and describes the components of the chainsaw, referring to Fig. 1.

Product Symbols

Explains various symbols used on the product and in the manual, with reference to figures.

Safety

Safety Definitions and General Instructions

Explains the meaning of warnings, cautions, notes, and provides general safety guidelines.

Operation Safety and Emissions

Details operational safety, Euro V emissions, and general warnings for safe use.

Personal Protective Equipment

Lists and describes the essential protective gear required for safe chainsaw operation.

Component Safety Features

Safety aspects related to vibration damping, start/stop switch, muffler, and fuel.

Maintenance Safety

Guidelines for performing maintenance tasks safely and correctly.

Assembly

Guide Bar and Chain Assembly

Step-by-step instructions for attaching the guide bar and saw chain to the chainsaw.

Operation

Operation Introduction and Pre-Checks

Introduction to operation, safety warning, and function check before using the product.

Fuel and Oil Management

Information on correct fuel mixing, filling the fuel tank, and using chain oil.

Starting and Stopping Procedures

Detailed steps for starting and stopping the chainsaw engine safely.

Kickback and Cutting Techniques

Information on kickback prevention and various cutting techniques for efficient use.

Tree Felling Procedures

Guidance on calculating felling direction, preparation, and safe tree felling.

Maintenance

Maintenance Schedule

A table outlining daily, weekly, and monthly maintenance tasks for the chainsaw.

Safety Device Checks

Detailed checks for all safety features to ensure proper function and prevent accidents.

Air Filter and Spark Plug Maintenance

Procedures for cleaning the air filter and checking/maintaining the spark plug.

Chain Sharpening and Tensioning

Guidelines for sharpening the saw chain and adjusting its tension for performance.

Guide Bar and Lubrication Checks

Inspecting the guide bar for wear, blockages, and checking saw chain lubrication.

Fuel and Oil Tank Maintenance

Procedures for draining and cleaning the fuel and chain oil tanks to prevent contamination.

Troubleshooting

Engine Starting Issues

Identifies common causes and actions for engine starting failures.

Engine Stopping Issues

Addresses issues where the engine starts but then stops unexpectedly.

Transportation and Storage

Safe Transportation and Storage

Safety guidelines for transporting and storing the product and fuel.

Long-Term Storage Preparation

Steps for preparing the chainsaw for extended periods of storage.

Technical Data

Accessories

Recommended Cutting Equipment

Lists approved guide bar and saw chain combinations for safety and performance.

Filing Equipment and Angles

Recommended tools and angles for sharpening the saw chain cutters.

EC Declaration of Conformity

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