Husqvarna 436 Li Manuel D'utilisation page 22

4. Operate a wedge or breaking bar into the cut when
the cut has accurate depth.
5. Complete the felling cut parallel with the directional
cut line. Make sure that the distance between them
is at a minimum of 1/10 of the trunk diameter. The
section of the trunk that is not cut is the felling hinge.
The felling hinge controls the direction that the tree
falls in.
WARNING: You have no control of the
felling direction if the felling hinge is
gone or if it is too thin. This also applies
to if you have not made the directional
cuts and felling cut correctly.
6. At this time, the tree will fall by its own force or with
the aid of a wedge or breaking bar.
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Note: Use a guide bar that is longer than the
diameter of the tree. This helps you to make the
felling cut and directional cuts with one cutting stroke
Technical data on page 34 to find out
each. See
which bar lengths we recommended for your product.
There are procedures for felling trees with a diameter
larger than the guide bar length. But, these procedures
include a much larger risk that the kickback zone of the
guide bar will touch the tree.
To free a trapped tree
WARNING: It is very dangerous to remove a
trapped tree and there is a high accident
risk. Keep out of the risk zone and do not try
to fell a trapped tree.
The safest procedure is to use one of the following
winches:
481 - 001 - 22.01.2018