Husqvarna 49 manual Vibration damping system, Stop switch, Muffler

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SAFETY INSTRUCTIONS

5 Vibration damping system

Your chain saw is equipped with a vibration damping system that is designed to minimise vibrations and make operation easier.

When you use a chain saw vibrations are generated by the uneven contact between the chain and the wood you are cutting.

Cutting hardwoods (most broadleaf trees) creates more vibration than cutting softwoods (most conifers). Cutting with a chain that is blunt or faulty (wrong type or badly sharpened, see section

D)will increase the vibration level.

The vibration damping system reduces the vibrations transmitted from the engine and chain to the handles of the chain saw. The body of the saw, including the cutting equipment, is insulated from the handles by vibration damping units.

!Overexposure to vibration can lead to circulatory damage or nerve damage in people who have impaired circulation.

Contact your doctor if you experience symptoms of overexposure to vibration. These symptoms include numbness, loss of feeling, tingling, pricking, pain, loss of strength, changes in skin colour or condition. These symptoms normally appear in the fingers, hands or wrists.

6 Stop switch

Use the stop switch to switch off the engine.

7 Muffler

The muffler is designed to keep noise levels to a minimum and to direct exhaust fumes away from the user.

!The exhaust fumes from the engine are hot and may contain sparks which can start a fire. Never start the saw indoors or near combustible material!

In countries with a hot climate there is a high risk of forest fires. Our chain saws are therefore fitted with a SPARK ARRESTOR MESH.

Check whether your saw is fitted with such a mesh.

With this type of muffler it is very important that you follow the instructions on checking, maintaining and servicing your saw (see the section on ”Inspecting, maintaining and servicing chain saw safety equipment”).

!The muffler gets very hot in use and remains so for a short time afterwards. DO NOT TOUCH THE MUFFLER IF IT IS HOT!

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Contents 101 90 45/49Symbols KEY to SymbolsContents Chain SAW Safety Equipment Safety InstructionsPersonal Protective Equipment Chain brake and front hand guard Chain catcher Throttle lockRight hand guard Vibration damping system Stop switchMuffler Checking the brake trigger Checking brake band wearChecking the front hand guard Checking the automatic brakeThrottle lock 5 basic rules Cutting EquipmentSome terms that describe the bar and chain Cutting equipment designed to minimise kickbackBar Saw chainGeneral information on sharpening cutting teeth Sharpening your chain and adjusting raker clearanceSharpening cutting teeth Setting the raker clearance General advice on setting raker clearanceTensioning the chain Chain oil Lubricating cutting equipmentFilling with chain oil Lubricating the bar tip sprocket Checking chain lubricationLubricating the clutch drum bearing Checking wear on cutting equipmentWhat is kickback? HOW to Avoid KickbackDo not let go of the handles General rulesMin m General Safety Precautions10 ft General Working Instructions Basic safety rulesCutting Basic cutting techniqueGeneral TermsFelling direction Tree felling techniqueSafe distance LimbingFelling Clearing the trunk and preparing your retreatCutting trees and branches that are in tension Preparations Freeing a tree that has fallen badly = high accident riskCutting the trunk into logs Freeing a Trapped treeWhat is WHAT? Mounting guide bar and chain AssemblyFuelmix Fuel HandlingMin 3 m Fuelling10ft Start Start and StopCold engine Warm engineCarburetor MaintenanceTensioning the recoil spring Starter device assemblyStarter device Changing a broken or worn starter cordSpark plug Needle bearing maintenanceAir filter MufflerCentrifugal cleaning Air Injection Daily maintenanceCooling system Weekly maintenance Monthly maintenance Technical Data Your Warranty Rights Obligations Federal Emission Control Warranty Statement1998W48