Husqvarna 1151435-95, 353 EPA III manual Directional cuts, Felling cut

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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 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.

Danger

zone

 

 

direction

 

 

Felling

 

 

 

 

 

 

 

 

 

Retreat path

 

Danger

 

Danger

zone

path

zone

 

 

 

 

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 cut you begin with the top cut. Aim using to the saw’s felling direction mark (1) toward a goal further forward in the terrain, where you would like the tree to fall (2). Stand on the right-hand side of the tree, behind the saw, and cut with a pull stroke.

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°.

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.

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Contents 346XP EPA I 353 EPA 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 systemInjuries Some terms that describe the bar and chain Cutting equipment designed to reduce kickbackBar ChainGeneral information on sharpening cutting teeth Sharpening your chain and adjusting depth gauge settingTensioning the chain Checking chain lubrication Lubricating cutting equipmentWhich could lead to serious, even fatal injuries Chain oil Filling with chain oilChain drive sprocket Needle bearing lubricationChecking wear on cutting equipment Assembly Fitting the bar and chainProtect your hands from injury 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 techniqueLimbing Clearing the trunk and preparing your retreat Tree felling techniqueSafe distance Felling directionFelling cut Directional cutsCutting trees and branches that are in tension General adviceFreeing a tree that has fallen badly Freeing a trapped treeHow to avoid kickback What is kickback?Cutting the trunk into logs Maintenance Carburetor adjustmentGeneral Checking the front hand guard Correctly adjusted carburetorHigh speed jet H Checking brake band wearImmediately Checking the inertia brake releaseMuffler Changing a broken recoil spring StarterChanging a broken or worn starter cord Tensioning the recoil springNeedle bearing lubrication Air filterSpark plug Lubricating the bar tip sprocketCooling system Adjustment of the oil pumpAir Injection centrifugal cleaning Temperature 0C 32F or colderHeated handles Electrical carburetor heating346XPG, 353G Daily maintenance Weekly maintenance Monthly maintenance Maintenance scheduleTechnical data Technical DataBar and chain combinations 050058 Saw chain filing and file gauges Federal Emission Control Warranty Statement Repair or Replacement of Parts Repair orConsequential Damages Husqvarna Forest Other safety precautions American Standard Safety PrecautionsSafety precautions for chain saw users Kickback safety precautions1151435-95

353 EPA III, 1151435-95 specifications

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