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Husqvarna 450 User Manual

Husqvarna 450
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Operator’s Manual
Read these instructions carefully and make sure
you understand them before using the 450.
Manuel d’utilisation
Veuillez lire attentivement ces instructions et assurez-vous de
bien les comprendre avant d’utiliser la machine modèle 450.
Manual
del operador
Lea cuidadosamente estas instrucciones y asegúrese
de que las comprende bien antes de usar el 450.
450

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Husqvarna 450 Specifications

General IconGeneral
Engine Power3.2 hp
Cylinder Displacement50.2 cm³
Bar Length13-20 in
Vibration Level (left/right)3.1/4.9 m/s²
Sound Pressure Level104 dB(A)
Warranty2 years
Fuel Tank Volume0.45 l
Chain Pitch0.325 in
Oil Tank Volume0.26 l

Summary

Comprehensive Safety Warnings

Personal Safety Precautions

Advises on operator protection, proper attire, and emergency awareness.

Work Area Safety Guidelines

Covers safe practices for the operational environment, including fuel and ventilation.

Saw Operation Safety Rules

Details safe handling, guards, modifications, and fuel leaks.

Blade Safety Precautions

Stresses inspection, correct blade type, and safe mounting for blades.

Excel Series Blades and Installation

Blade and Skid Plate Installation

Step-by-step guide for installing the diamond blade and skid plate.

Operating the 450 Saw

Starting and Warming Up

Procedures for starting the engine and allowing it to warm up.

Cutting and Depth Adjustment

How to line up cuts and adjust blade depth for sawing.

Operational Safety Alerts

Critical warnings during saw operation, including fuel leaks and unattended machines.

Fuel and Oil Handling

Maintenance Procedures

Sawing Contraction Joints

Maximizing the Soff-Cut System

Troubleshooting Common Issues

Cut Quality Problems

Solutions for saw spalling and ravelling cuts.

Engine Performance Issues

Troubleshooting rough running, backfires, and speed problems.

Starting Problems

Diagnosing and resolving engine starting failures.

Saw Steering Issues

Addressing problems with the saw pulling to one side during cutting.

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