Husqvarna 1153177-26 manual How to avoid kickback, Freeing a tree that has fallen badly

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WORKING TECHNIQUES

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.

Freeing a tree that has fallen badly

Freeing a ”trapped tree”

It is very dangerous to remove a trapped tree and there is high accident risk.

Never try to fell the tree that is trapped.

Never work in the risk zone of the hanging trapped tree.

The safest method is to use a winch.

•Tractor-mounted

•Portable

Cutting trees and branches that are in tension

Preparations: Work out which side is in tension and where the point of maximum tension is (i.e. where it would break if it was bent even more).

Decide which is the safest way to release the tension and whether you are able to do it safely. In complicated situations the only safe method is to put aside your chain saw and use a winch.

General advice:

Position yourself so that you will be clear of the tree or branch when the tension is released.

Make one or more cuts at or near the point of maximum tension. Make as many cuts of sufﬁcient depth as necessary to reduce the tension and make the tree or branch break at the point of maximum tension.

Never cut straight through a tree or branch that is in tension!

If you must cut across tree/limb, make two to three cuts, one inch apart, one to two inches deep.

Continue to cut deeper until tree/limb bends and tension is released.

Cut tree/limb from outside the bend, after tension has been released.

How to avoid kickback

!	WARNING! Kickback can happen very
!	suddenly and violently; kicking the chain
	saw, bar and chain back at the user. If
	this happens when the chain is moving it
	can cause very serious, even fatal
	injuries. It is vital you understand what
	causes kickback and that you can avoid
	it by taking care and using the right
	working technique.

What is kickback?

The word kickback is used to describe the sudden reaction that causes the chain saw and bar to jump off an object when the upper quadrant of the tip of the bar, known as the kickback zone, touches an object.

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Contents 395XP, 395XPG KEY to Symbols Symbols on the machineSymbols 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 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 Increases the risk of kickback Sharpening your chain and adjusting depth gauge settingGeneral information on sharpening cutting teeth Sharpening instructions considerablyToo large General advice on adjusting depth gauge settingAdjustment of depth gauge setting Tensioning the chainChecking chain lubrication Lubricating cutting equipmentWhich could lead to serious, even fatal injuries Chain oil Filling with chain oilOperator Chain drive sprocketNeedle bearing lubrication Checking wear on cutting equipmentWorking with the chain AssemblyFitting the bar and chain Fitting a spike bumperFuel Fuel HandlingLong-term storage Fuel safetyFuelling Transport and storageWarm engine Starting and StoppingStarting and stopping Cold engineStopping General working instructions Basic safety rulesWorking Techniques Before useJam. Always stop the engine before cleaning General Basic cutting techniqueNot safely controlled with one hand Handles with both handsOr fatal injury Procedures drastically increase the riskLimbing Logs are lying together. SuchClearing the trunk and preparing your retreat Tree felling techniqueSafe distance Felling directionFelling cut Directional cutsHow to avoid kickback What is kickback?Freeing a tree that has fallen badly Cutting the trunk into logs Maintenance Carburettor adjustmentCarburettor with movement limiters Carburettor without movement limiters Recommended engine speeds are as follows Checking the front hand guard Checking brake band wearImmediately Checking the inertia brake releaseMufﬂer Changing a broken or worn starter cord Tensioning the recoil springChanging a broken recoil spring Fitting the starter Air ﬁlterSpark plug Lubricating the bar tip sprocketCooling system Adjustment of the oil pumpAir Injection centrifugal cleaning Needle bearing lubricationHeated handles Winter useDaily maintenance Weekly maintenance Monthly maintenance Maintenance scheduleTechnical data Technical DataSaw chain ﬁling and ﬁle gauges Bar and chain combinationsEC-declaration of conformity Applies to Europe onlyEN ISO 12100-22003, Cispr 122005, EN ISO Page Original instructions 1153177-26