Husqvarna 3120XP manual Checking the brake trigger, Immediately

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MAINTENANCE

Checking the brake trigger

Place the chain saw on ﬁrm ground and start it. Make sure the chain does not touch the ground or any other object. See the instructions under the heading Start and stop.

Grasp the chain saw ﬁrmly, wrapping your ﬁngers and thumbs around the handles.

Apply full throttle and activate the chain brake by tilting your left wrist forward onto the front hand guard. Do not let go of the front handle. The chain should stop

immediately.

Throttle lockout

•Make sure the throttle control is locked at the idle setting when the throttle lockout is released.

•Press the throttle lockout and make sure it returns to its original position when you release it.

•Check that the throttle control and throttle lockout move freely and that the return springs work properly.

•Start the chain saw and apply full throttle. Release the throttle control and check that the chain stops and remains stationary. If the chain rotates when the throttle control is in the idle position you should check the carburettor idle adjustment.

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.

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Contents 3120XP Symbols on the machine KEY to SymbolsSymbols in the operator’s manual Contents Dear Customer IntroductionWhat is what on the chain saw? What is WHAT?Before using a new chain saw General Safety PrecautionsAlways use common sense Personal protective equipment Machine′s safety equipmentChain brake and front hand guard General Safety Precautions Vibration damping system Throttle lockoutChain catcher Right hand guardGeneral rules Stop switchCutting equipment MufﬂerSharpening your chain and adjusting depth gauge setting Adjustment of depth gauge setting Increased if the depth gauge setting isToo large Chain oil Tensioning the chainLubricating cutting equipment Which could lead to serious, even fatalChecking wear on cutting equipment Checking chain lubricationChain drive sprocket Needle bearing lubricationBar Fitting the bar and chain AssemblyWorking with the chain Fuel Fuel HandlingFuelling Fuel safetyExtra chain oil Long-term storage Transport and storageWarm engine Starting and StoppingStarting and stopping Cold engineStopping General working instructions Basic safety rulesWorking Techniques Before useWorking Techniques Limbing Basic cutting techniqueTerms There are ﬁve important factors you should considerSafe distance Tree felling techniqueFelling direction Your saw Clearing the trunk and preparing your retreatFelling cut Felling Training we advise you not to fell treesCutting trees and branches that are in tension General adviceFreeing a tree that has fallen badly Freeing a trapped treeWhat is kickback? How to avoid kickbackCutting the trunk into logs Carburettor MaintenanceHigh speed jet H Correctly adjusted carburettorImmediately Checking the brake triggerStarter MufﬂerChanging a broken or worn starter cord Changing a broken recoil spring Tensioning the recoil springFitting the starter Must always be replaced Air ﬁlterSpark plug Lubricating the bar tip sprocketNeedle bearing lubrication Adjustment of the oil pumpCooling system Daily maintenance Weekly maintenance Monthly maintenance Maintenance scheduleTechnical data Technical DataSaw chain ﬁling and ﬁle gauges Guide bar and saw chain combinations0404/09/2119 EC-declaration of conformityApplies to Europe only EN ISO 121002010, ISO 149822009, EN ISOOriginal instructions 1153183-26

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