Husqvarna Essential Chainsaw Maintenance: Checking the Mufer and Other Key Components

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MAINTENANCE

Chain catcher

Check that the chain catcher is not damaged and is ﬁrmly attached to the body of the chain saw.

Right hand guard

Check that the right hand guard is not damaged and that there are no visible defects, such as cracks.

Vibration damping system

Regularly check the vibration damping units for cracks or deformation.

Make sure the vibration damping units are securely attached to the engine unit and handle unit.

Stop switch

Start the engine and make sure the engine stops when you move the stop switch to the stop setting.

Mufﬂer

Never use a machine that has a faulty mufﬂer.

Regularly check that the mufﬂer is securely attached to the machine.

Some mufﬂers are equipped with a special spark arrestor screen. If your machine has this type of mufﬂer, you should clean the screen at least once a week.This is best done with a wire brush. A blocked screen will cause the engine to overheat and may lead to serious damage.

Note! The screen must be replaced if it is damaged. If the screen is blocked the machine will overheat and this will cause damage to the cylinder and piston. Never use a machine with a mufﬂer that is in poor condition. Never

32 – English

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Contents 385XP 385XPG 390XP 390XPG Symbols in the operator’s manual KEY to SymbolsSymbols on the machine EPA Contents Introduction Dear customerWhat is WHAT? What is what on the chain saw?Always use common sense General Safety PrecautionsBefore using a new chain saw Chain brake and front hand guard Machine′s safety equipmentPersonal protective equipment General Safety Precautions Throttle lockout Chain catcherRight hand guard Vibration damping systemStop switch Cutting equipmentMufﬂer General rulesChain Cutting equipment designed to reduce kickbackBar Sharpening your chain and adjusting depth gauge setting General information on sharpening cutting teethTensioning the chain Lubricating cutting equipmentFilling with chain oil Checking chain lubricationChain drive sprocket Needle bearing lubricationChecking wear on cutting equipment Working with the chain AssemblyFitting the bar and chain Fuel Handling FuelFuel safety FuelingTransport and storage Long-term storageStarting and Stopping Starting and stoppingCold engine Warm engineStopping Basic safety rules Working TechniquesBefore use General working instructionsGeneral rules Basic cutting technique TermsTree felling technique LimbingSafe distance Felling directionClearing the trunk and preparing your retreat Directional cutsFreeing a tree that has fallen badly Felling cutFreeing a trapped tree Cutting trees and branches that are in tensionHow to avoid kickback What is kickback?General advice Cutting the trunk into logsGeneral MaintenanceCarburetor adjustment Fine adjustment of the idling speed T Correctly adjusted carburetorHigh speed jet H Checking brake band wearChecking the inertia brake release ImmediatelyMufﬂer Tensioning the recoil spring StarterChanging a broken or worn starter cord Air ﬁlter Spark plugChanging a broken recoil spring Fitting the starterAdjustment of the oil pump When making adjustmentsLubricating the bar tip sprocket Needle bearing lubricationAir Injection centrifugal cleaning Temperature 0C 32F or colderWinter use Heated handlesMaintenance schedule Daily maintenance Weekly maintenance Monthly maintenanceTechnical Data Technical data058/1,5 mm Saw chain ﬁling and ﬁle gauges050/1,3 mm Federal Emission Control Warranty Statement Your Warranty Rights and ObligationsEmission Controlwarranty Parts List American Standard Safety Precautions Safety precautions for chain saw usersKickback safety precautions Other safety precautionsPage Original instructions 1153176-95