Husqvarna 51 manual KEY to Symbols

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KEY TO SYMBOLS

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CAUTION! Chain saws can be dangerous! Careless or incorrect use can result in serious or fatal injury to the operator or others.

Please read the instructions carefully and make sure you understand them before using the saw.

Always wear:

Approved protective helmet

Approved hearing protection

Protective glasses or visor

Both of the operator´s hands must be used to operate the chain saw. Please see page 30 in your "Chain saw operator´s safety manual".

Never operate a chain saw holding it with one hand only. Please see page 30 in your "Chain saw operator´s safety manual".

Contact of the guide bar tip with any object should be avoided. Please see pages 12-21 in your "Chain saw operator´s safety manual".

Tip contact may cause the guide bar to move suddenly upward and backward, which may cause serious injury. Please see pages 12-21 in your "Chain saw operator´s safety manual".

Other symbols/decals on the machine refer to special certification requirements for certain markets.

Switch off the engine by moving the stop switch to the STOP position before carrying out any checks or maintenance.

Always wear approved protective gloves.

Regular cleaning is required.

Visual check.

Protective glasses or a visor must be worn.

2 – English

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Contents 51/55 101 91KEY to Symbols SymbolsContents Personal Protective Equipment Safety InstructionsChain SAW Safety Equipment Chain brake and front hand guard Right hand guard Throttle lockChain catcher Muffler Stop switchVibration damping system Checking the inertia brake release Checking brake band wearChecking the front hand guard Checking the brake triggerThrottle lock Cutting Equipment 5 basic rulesSaw chain Cutting equipment designed to minimise kickbackBar Some terms that describe the bar and chainSharpening cutting teeth Sharpening your chain and adjusting raker clearanceGeneral information on sharpening cutting teeth Tensioning the chain General advice on setting raker clearanceSetting the raker clearance Filling with chain oil Lubricating cutting equipmentChain oil Checking wear on cutting equipment Checking chain lubricationLubricating the clutch drum bearing Lubricating the bar tip sprocketHOW to Avoid Kickback What is kickback?General rules Do not let go of the handles10 ft General Safety PrecautionsMin m Basic safety rules General Working InstructionsTerms Basic cutting techniqueGeneral CuttingLimbing Tree felling techniqueSafe distance Felling directionClearing the trunk and preparing your retreat FellingFreeing a Trapped tree Freeing a tree that has fallen badly = high accident riskCutting the trunk into logs Cutting trees and branches that are in tension PreparationsWhat is WHAT? Assembly Mounting guide bar and chainFuel Handling Fuelmix10ft FuellingMin 3 m Stop Start and StopStart Cold engineMaintenance CarburetorChanging a broken or worn starter cord Starter device assemblyStarter device Tensioning the recoil springMuffler Needle bearing maintenanceAir filter Spark plugTemperature -5C or colder Centrifugal cleaning Air InjectionTemperature 0C or colder Cooling systemWeekly maintenance Daily maintenance Monthly maintenanceTechnical Data Emission Control Warranty Statement Your Warranty Rights Obligations2001W07

51 specifications

The Husqvarna 51 is a well-regarded chainsaw that has made its mark in the world of outdoor power equipment. Renowned for its balance of performance and usability, the Husqvarna 51 is often favored by both amateur woodcutters and professionals alike. This versatile chainsaw is designed for a range of tasks, from light-duty pruning to more demanding woodcutting jobs.

One of the standout features of the Husqvarna 51 is its powerful 2.3 horsepower engine. This robust engine allows the saw to tackle larger cuts with ease, making it a reliable tool for any woodcutting needs. Coupled with a lightweight design, the chainsaw ensures reduced fatigue during prolonged use, enhancing user comfort and efficiency.

The Husqvarna 51 utilizes a simple yet effective starting system known as the Smart Start technology. This feature minimizes resistance in the starter cord, allowing for easier and quicker engine starts. Consequently, even less experienced users can confidently get the saw up and running without unnecessary frustration.

Another important characteristic of this model is its air injection system. This technology works by using centrifugal force to remove larger debris from the air filter before it reaches the engine. As a result, the filter stays cleaner for longer, reducing the frequency of maintenance and ensuring optimal engine performance. This system significantly prolongs the life of the chainsaw while maintaining high power levels.

The Husqvarna 51 also features an adjustable oil pump that allows operators to control oil flow as needed. This ensures proper lubrication of the chain and bar, which is critical for maintaining performance and extending the lifespan of the cutting components. The saw’s chrome-plated cylinder further contributes to durability by providing an added layer of resistance against wear and tear.

Safety is a priority with the Husqvarna 51, which comes equipped with an inertia-activated chain brake. This feature automatically stops the chain in the event of kickback, providing additional peace of mind to the user. The front hand guard and ergonomic handle design also enhance user control, contributing to a safer and more comfortable cutting experience.

Overall, the Husqvarna 51 stands out as a reliable, sturdy, and user-friendly chainsaw. Its blend of power, technology, and safety features makes it an ideal choice for a variety of cutting tasks, making it popular among both casual users and seasoned professionals. Whether you are trimming branches or cutting firewood, this chainsaw offers the performance you need for effective woodcutting.