Husqvarna 1153181-95, 576 XPG manual Felling cut

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WORKING TECHNIQUES

Next make the bottom cut so that it finishes exactly at the end of the top cut.

The directional cuts should run 1/4 of the diameter through the trunk and the angle between the top cut and bottom cut should be 45°.

The line where the two cuts meet is called the directional cut line. This line should be perfectly horizontal and at right angles (90°) to the chosen felling direction.

Felling cut

The felling cut is made from the opposite side of the tree and it must be perfectly horizontal. Stand on the left side of the tree and cut on the pull stroke.

Make the felling cut about 1.5-2 inches (3-5 cm) above the bottom directional cut.

Finish the felling cut parallel with the directional cut line so that the distance between them is at least 1/10 of the trunk diameter. The uncut section of the trunk is called the felling hinge.

The felling hinge controls the direction that the tree falls in.

All control over the felling direction is lost if the felling hinge is too narrow or non-existent, or if the directional cuts and felling cut are badly placed.

When the felling cut and directional cut are complete the tree should start to fall by itself or with the aid of a felling wedge or breaking bar.

We recommend that you use a bar that is longer than the diameter of the tree, so that you can make the felling cut and directional cuts with single cutting strokes. See instructions under the heading Technical data section to find out which lengths of bar are recommended for your saw.

There are methods for felling trees with a diameter larger than the bar length. However these methods involve a much greater risk that the kickback zone of the bar will come into contact with the tree.

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Contents 570 576 XP 576 XPG KEY to Symbols Symbols on the machineSymbols in the operator’s manual EPA 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 Throttle lockout Chain catcherRight hand guard Muffler Stop switchCutting equipment Vibration damping systemCutting equipment designed to reduce kickback BarChain General information on sharpening cutting teeth Sharpening your chain and adjusting depth gauge settingTensioning the chain Lubricating cutting equipment Filling with chain oilChecking chain lubrication Chain drive sprocket Needle bearing lubricationChecking wear on cutting equipment Assembly Fitting the bar and chainWorking with the chain Fuel Fuel HandlingLong-term storage Fuel safetyFueling Transport and storageWarm engine Starting and StoppingStarting and stopping Cold engineStopping 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 riskFelling direction Clearing the trunk and preparing your retreatDirectional cuts Felling cut How to avoid kickback What is kickback?Freeing a tree that has fallen badly Cutting the trunk into logs Maintenance Carburetor adjustmentGeneral Checking the front hand guard Correctly adjusted carburetorWhen the bar hits the stump the brake should be applied Checking brake band wearImmediately Checking the brake triggerMuffler StarterChanging a broken or worn starter cord Fitting the starter Air filterTensioning the recoil spring Changing a broken recoil springMust always be replaced Spark plugLubricating the bar tip sprocket Needle bearing lubricationCooling system Adjustment of the oil pumpAir Injection centrifugal cleaning When making adjustmentsFitting the winterising kit Temperature 0C 32F or colderTemperature -5C 23F or colder Heated handlesDaily maintenance Weekly maintenance Monthly maintenance Maintenance scheduleTechnical data Technical DataSaw chain filing and file gauges Your Warranty Rights and Obligations Federal Emission Control Warranty StatementMAINTENANCE, Replacement Repair of EMISSION-RELATED Parts Other safety precautions American Standard Safety PrecautionsSafety precautions for chain saw users Kickback safety precautionsOriginal instructions 1153181-95