Husqvarna 115 13 81-26 manual Working Techniques, Before use, General working instructions

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WORKING TECHNIQUES

Before use:

,

1Check that the chain brake works correctly and is not damaged.

2Check that the rear right hand guard is not damaged.

3Check that the throttle lockout works correctly and is not damaged.

4Check that the stop switch works correctly and is not damaged.

5Check that all handles are free from oil.

6Check that the anti vibration system works and is not damaged.

7Check that the muffler is securely attached and not damaged.

8Check that all parts of the chain saw are tightened correctly and that they are not damaged or missing.

9Check that the chain catcher is in place and not damaged.

10Check the chain tension.

General working instructions

IMPORTANT!

This section describes basic safety rules for using a chain saw. This information is never a substitute for professional skills and experience. If you get into a situation where you feel unsafe, stop and seek expert advice. Contact your chain saw dealer, service agent or an experienced chain saw user. Do not attempt any task that you feel unsure of!

Before using a chain saw you must understand the effects of kickback and how to avoid them. See instructions under the heading How to avoid kickback.

Before using a chain saw you must understand the difference between cutting with the top and bottom edges of the bar. See instructions under the headings How to avoid kickback and Machine’s safety equipment.

Wear personal protective equipment. See instructions under the heading Personal protective equipment.

Basic safety rules

1 Look around you:

To ensure that people, animals or other things cannot affect your control of the machine.

To make sure that none of the above might come within reach of your saw or be injured by falling trees.

CAUTION! Follow the instructions above, but do not use a chain saw in a situation where you cannot call for help in case of an accident.

2Do not use the machine in bad weather, such as dense fog, heavy rain, strong wind, intense cold, etc. Working in bad weather is tiring and often brings added risks, such as icy ground, unpredictable felling direction, etc.

3Take great care when removing small branches and avoid cutting bushes (i.e. cutting many small branches at the same time). Small branches can be grabbed by the chain and thrown back at you, causing serious injury.

4Make sure you can move and stand safely. Check the area around you for possible obstacles (roots, rocks, branches, ditches, etc.) in case you have to move suddenly. Take great care when working on sloping ground.

5Take great care when cutting a tree that is in tension. A tree that is in tension may spring back to its normal position before or after being cut. If you position yourself incorrectly or make the cut in the wrong place the tree may hit you or the machine and cause you to lose control. Both situations can cause serious personal injury.

115 13 81-26 Rev.3 2009-01-14

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Contents 445 445e 450e Symbols in the operator’s manual KEY to SymbolsSymbols on the machine Contents Dear Customer IntroductionWhat is what on the chain saw? What is WHAT?Before using a new chain saw General Safety PrecautionsChain brake and front hand guard Machine′s safety equipmentAlways use common sense Personal protective equipmentGeneral Safety Precautions Chain catcher Throttle lockoutMuffler Stop switchRight hand guard Vibration damping systemCutting equipment designed to reduce kickback Cutting equipmentGeneral rules General information on sharpening cutting teeth Sharpening your chain and adjusting depth gauge settingTensioning the chain 445e, 450e 445Checking chain lubrication Lubricating cutting equipmentWhich could lead to serious, even fatal injuries Chain oil Filling with chain oilChecking wear on cutting equipment Chain drive sprocketNeedle bearing lubrication 445e, 450e AssemblyFitting the bar and chain 445Fitting a spike bumper Fuel Fuel HandlingLong-term storage Fuel safetyFuelling Transport and storageCold engine Starting and StoppingStarting and stopping StartingStopping General working instructions Basic safety rulesWorking Techniques Before useGeneral rules Terms Basic cutting techniqueSafe distance Tree felling techniqueLimbing Log is supported at one end. There is a high riskDirectional cuts Felling directionClearing the trunk and preparing your retreat Felling cut Freeing a tree that has fallen badly How to avoid kickbackWhat is kickback? Cutting the trunk into logs General MaintenanceCarburettor adjustment Immediately Checking the inertia brake releaseMuffler Tensioning the recoil spring StarterReplacing the starter cord Fitting the starter Air filterReplacing the return and drive springs Cooling system Spark plugLubricating the bar tip sprocket Needle bearing lubricationWinter use Air Injection centrifugal cleaningTemperature -5C or colder Daily maintenance Weekly maintenance Monthly maintenance Maintenance scheduleTechnical data Technical DataSaw chain filing and file gauges Bar and chain combinationsEN ISO 12100-22003, Cispr 122005, EN ISO EC-declaration of conformityApplies to Europe only ´z+SF,¶6+¨ 115 13 81-26 Rev.3 1151381-26