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Husqvarna 445 Rancher User Manual

Husqvarna 445 Rancher
96 pages
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445, 450 Rancher
EN Operator's manual 10-34
ES-MX Manual de usuario 35-63
FR-CA Manuel d’utilisation 64-93

Questions and Answers:

Husqvarna 445 Rancher Specifications

General IconGeneral
Engine displacement45.7 cm³
Weight (excluding cutting equipment)4.9 kg
Fuel tank volume0.45 l
Sound power level114 dB(A)
Chain pitch0.325 in
Chain gauge.050"

Summary

Introduction

Product Description

Provides a detailed overview of the chainsaw model.

Intended Use

Specifies the chainsaw's designed application and operational limits.

Symbols on the Product

Explains safety and operational symbols found on the chainsaw.

Safety

Safety Definitions

Defines warning, caution, and note terminology used in the manual.

General Safety Instructions

Provides essential safety guidelines for operating the chainsaw.

Safety Instructions for Operation

Key guidelines for safe operation of the chainsaw.

Personal Protective Equipment

Details required safety gear for chainsaw operation.

Product Safety Devices

Covers critical safety features like chain brake, guards, and switches.

Muffler Safety

Highlights precautions related to the chainsaw's muffler.

Fuel Safety

Provides essential guidelines for safe handling and storage of fuel.

Maintenance Safety Instructions

Outlines safety precautions to be taken during maintenance.

Cutting Equipment Safety

Details safety measures for saw chains and guide bars.

Kickback Information

Explains kickback causes, prevention, and safety precautions.

Common Kickback Questions

Addresses frequently asked questions regarding kickback scenarios.

Assembly

Guide Bar and Saw Chain Assembly

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

Operation

Pre-Operation Function Check

Ensures all parts function correctly before starting the chainsaw.

Fuel System

Details about the two-stroke engine, fuel requirements, mixing, and filling.

Preparing Path of Retreat

Ensures a clear escape route during tree felling operations.

Freeing a Trapped Tree

Methods for safely removing a caught chainsaw from a tree.

Cutting Under Tension

Techniques for safely cutting wood under tension or stress.

Cold Weather Operation

Guidance for operating the chainsaw in cold weather conditions.

Starting the Product

Preparing to Start: Cold Engine

Steps to prepare the chainsaw for starting when cold.

Preparing to Start: Warm Engine

Steps to prepare the chainsaw for starting when warm.

Starting the Product

Detailed steps for safely starting the chainsaw engine.

Stopping the Product

Procedure for safely shutting down the chainsaw engine.

Chainsaw Cutting Techniques

Explains various cutting methods including strokes, spiked bumper, and trunk cutting.

Maintenance Schedule

Daily Maintenance Tasks

Regular checks and cleaning to perform each day.

Weekly Maintenance Tasks

Checks and cleaning to perform on a weekly basis.

Monthly Maintenance Tasks

Checks and cleaning to perform on a monthly basis.

Safety Device Checks

Procedures for checking the functionality of safety devices.

Maintenance Procedures

Muffler Check

Procedure for inspecting the chainsaw muffler for defects.

Idle Speed Adjustment

How to adjust the engine's idle speed for proper lubrication.

Carburetor Adjustment Check

Verifying the carburetor is correctly adjusted for performance.

Starter Rope Replacement

Steps for replacing a broken or worn starter rope.

Starter Housing Assembly

Instructions for assembling the starter housing onto the product.

Air Filter Cleaning

Procedure for cleaning the chainsaw's air filter.

Spark Plug Check

Guidance on checking and maintaining the spark plug.

Saw Chain Sharpening

Comprehensive guide on sharpening the saw chain for optimal performance.

Depth Gauge Setting Adjustment

How to adjust the depth gauge for optimal cutting performance.

Saw Chain Tension Adjustment

Steps to properly adjust the tension of the chainsaw's saw chain.

Saw Chain Lubrication Check

Procedure to verify the saw chain is receiving sufficient oil.

Component Checks & Lubrication

Procedures for checking and lubricating key chainsaw components.

Tank and Cooling System Maintenance

Guidance on cleaning fuel/oil tanks and the engine's cooling system.

Troubleshooting

Engine Does Not Start

Diagnoses and solutions for engine starting issues.

Engine Starts and Stops

Troubleshoots common causes for the engine stopping intermittently.

Transportation and Storage

Long-Term Storage Preparation

Steps to prepare the chainsaw for extended periods of storage.

Technical Data

Engine Specifications

Details on engine displacement, power, and idle speed.

Ignition and Fuel System Data

Information on spark plugs, fuel tank, and oil capacity.

Weight and Bar/Chain Specs

Product weight and recommended guide bar lengths.

Drive Sprocket and Chain Speed

Data on drive sprocket type and saw chain speed.

Accessories

Recommended Cutting Equipment

Lists approved guide bar and saw chain combinations for the model.

Kickback and Nose Radius

Information on guide bar nose radius and kickback considerations.

Pixel Guide Bar and Chain

Details on the Pixel combination for efficiency and narrow cuts.

Filing Equipment and Angles

Information on file gauges and correct filing angles for sharpening.

Warranty Information

Emissions Control Warranty Statement

Explains warranty for exhaust and evaporative emissions systems.

Warranty Commencement and Coverage

Details when the warranty starts and its duration.

Owner's Responsibilities

Outlines the owner's duties for maintaining warranty coverage.

What is Covered and Important Notes

Specifies covered parts, EPA compliance, and warranty periods.

American Standard Safety Precautions

Chain Saw User Safety

Safety guidelines for chain saw users based on ANSI B175.1-2012.

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