Matrix Stanley 4 in 1 Garden tool Traduction Des Instructions Originales page 28

G
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- Never position yourself directly under the branch,
which you want to saw. There is a very big risk that the
branch falls down unexpectedly on you. In general it is
recommended that the pruning saw is set at an angle of
60° to the branch.
- Hold the device well with both hands tightly during the
cutting process and make sure you always pay attention
to a balanced as well as a good firm position.
- Never try to operate your tool with one hand. Loss of
control over your machine can cause serious or fatal
injuries. Never work on a ladder, a branch of a tree or
other unsafe substrates.
- Do not saw strong branches in one cut, but always in
several steps.
- Put the saw chain for cutting on the branch.
- Put a little pressure for guiding the device but do not
overload the engine.
- Adhere to the cutting technique specified in Chapter
8.2 to avoid injuries and so that you do not damage your
tree in the long term.
Clean the working area before cutting the disruptive
branches and undergrowth. Then you create a retreat
area, far from the area, on which the cut branches could
fall and remove all obstacles. Keep the work area free,
remove the branches that have been cut off immediately.
Pay attention to your position, the wind direction and
the possible falling direction of the branches. Please be
prepared that the fallen branches could hit back. Place
all other tools and equipment in a safe distance from the
branches to be cut, but not in the area of a backlash.
Always observe the condition of the tree.
Look for decay and rot in the roots and branches. If these
are decayed inside, they can break off unexpectedly and
fall down while cutting. Please look out also for broken
and dead branches, which get loosened through shaking
and could fall on you. In case of very thick or heavy
branches, first make a small cut under the branch before
you work from top to bottom, to prevent a breakage.
8.2 Basic cutting technology
Heavy branches will slightly break when cutting and
while doing so long branch straps can tear away from
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the trunk, which damages the tree long term. With
the following technology you can reduce this risk
significantly:
1. Saw the branch first about 10 cm from the trunk, at
the branch's lower side (see Image A20).
2. Estimate another cut from above at a distance of
about 15 cm to the trunk. Saw it for so long till the
branch breaks. The risk of a breach in a bark at the trunk
is no longer there any more (See Image A21).
3. Finally, remove the remaining snag with a clean cut
along the top of the trunk (See Image A22).
So that the damages to the tree are kept as low as
possible, we recommend seal up the cut surface in
addition with tree wax seal.
8.3 Dangers caused by reactive forces
Reactive forces come during the operation of the saw
chain. In this, the force, which should be used on the
wood is effected on the operator. This happens when
the operating chain comes in contact with a solid object
such as a branch or is jammed. These forces can lead
to a loss of control and injury from it. Understanding
the origin of these forces can help you determine the
moment of shock and to avoid the loss of control.
This saw is designed in such a way that the rebound
effects are not felt as in the case of conventional chain
saws. Nevertheless always keep a firm grip and a good
position, to have control over the tool in case of doubt.
The most common effects are:
• backlash,
• rebound,
• retraction.
Backlash
The backlash can take place if the operating saw chain
at the upper area of the guide rail comes in contact with
a fixed object or if it is jammed.