Husqvarna 965030292 manual Felling, Directional cuts

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WORKING TECHNIQUES

Remove any undergrowth from the base of the tree and check the area for obstacles (stones, branches, holes, etc.) so that you have a clear path of retreat when the tree starts to fall.

Your path of retreat should be roughly 135 degrees away from the intended felling direction.

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°.

	Danger	zone			direction
				Felling	direction


	Retreat path			Danger
	Danger	zone	path	Danger		zone
		zone

			Retreat
			Retreat

Felling

WARNING! Unless you have special training

!we advise you not to fell trees with a diameter larger than the bar length of your saw!

Felling is done using three cuts. First you make the directional cuts, which consist of the top cut and the bottom cut, then you ﬁnish with the felling cut. By placing these cuts correctly you can control the felling direction very accurately.

Directional cuts

To make the directional cuts you begin with the top cut. Stand to the right of the tree and cut on the pull stroke.

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

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

Set the spike bumper (if one is ﬁtted) just behind the felling hinge. Use full throttle and bring the bar and chain slowly into the tree. Make sure the tree does not start to move in the opposite direction to your intended felling direction. Drive a wedge or breaking bar into the cut as soon as it is deep enough.

26 – English

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Contents Rancher KEY to Symbols Key to symbolsContents 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 Right hand guard Throttle lockChain catcher Vibration damping systemMufﬂer Stop switchCutting equipment General rulesChain Cutting equipment designed to reduce kickbackBar Some terms that describe the bar and chainSharpening cutting teeth Sharpening your chain and adjusting depth gauge settingGeneral information on sharpening cutting teeth Tensioning the chain General advice on adjusting depth gauge settingAdjustment of depth gauge setting Filling with chain oil Lubricating cutting equipmentChain oil Checking chain lubricationNeedle bearing lubrication Checking wear on cutting equipmentAssembly Fitting the bar and chainFuel Handling FuelTransport and storage Fuel safetyFueling Long-term storageCold engine Starting and StoppingStarting and stopping Warm engineStopping Before use Basic safety rulesWorking Techniques General working instructionsGeneral rules Terms Basic cutting techniqueGeneral Limbing CuttingFelling direction Tree felling techniqueSafe distance Clearing the trunk and preparing your retreatFelling Directional cutsFreeing a tree that has fallen badly Freeing a trapped treeGeneral advice How to avoid kickbackWhat is kickback? Cutting trees and branches that are in tensionCutting the trunk into logs General MaintenanceCarburetor adjustment Checking brake band wear Correctly adjusted carburetorHigh speed jet H Checking the front hand guardChecking the brake trigger Changing a broken or worn starter cord MufﬂerStarter Changing a broken recoil spring Air ﬁlterTensioning the recoil spring Fitting the starterLubricating the bar tip sprocket Adjustment of the oil pumpSpark plug Needle bearing lubricationTemperature -5C 23F or colder Air Injection centrifugal cleaningTemperature 0C 32F or colder Winter useMaintenance schedule Daily maintenance Weekly maintenance Monthly maintenanceTechnical Data Technical dataBar and chain combinations Federal Emission Control Warranty Statement Your Warranty Rights and ObligationsKickback safety precautions American Standard Safety PrecautionsSafety precautions for chain saw users Other safety precautions´z+H8o¶5u¨ Page 1140247-95 ´z+H8o¶5u¨ ´z+H8o¶5u¨