Scheppach CSE2700 Traducción De La Instrucción De Original página 35

Sawing a felled tree (bucking)
The term "buck" means to cut a felled tree trunk into
the desired log length.
Caution: Do not stand on the log while it is being cut.
Any portion can roll, and you may lose your footing
and control over the device. Never run the saw on
sloping ground. Make sure you have secure footing
and distribute your body weight evenly on both feet. If
possible, put branches, beams or wedges under the
tree to support it.
Important Notes
• Always only cut one log at a time.
• Be careful when cutting splintery wood. You could
be hit by sharp wood particles.
• Cut small logs or branches on a sawhorse. When
cutting logs, another person should hold the trunk.
Do not secure the trunk with your leg or foot.
• If you use the saw in places where trunks and roots
are tangled, drag the logs into a clear spot, and lift
the cleared logs first.
Different cuts for bucking (Fig. D)
Caution: If the saw is clamped into a log, do not pull
it out by force. You risk losing control of the device,
thereby resulting in injury and / or damage to the
saw. Hold the saw, and drive a plastic or wood -
wedge into the cut until the saw can be pulled out
easily. Position the saw carefully and allow it to cut
again. Start the saw if it is trapped in a trunk.
Upper section (Fig. E, item 1)
Position the saw at the upper end of the log. With the
overcut apply only slight downward pressure.
Sub-section (Fig. E, item 2)
Place the undercut at the bottom of the trunk, holding
the top of the saw down against the log. Practice the
undercut; it is just as easy to train from the top. Hold
the saw firmly and maintain control. The saw will
push backwards (towards you).
Caution: Never hold the saw upside down for an
undercut. In this position, you have no control over
the device. Always execute the first cut on the
compression side of the log. The compression side
of a log is where the pressure of the root weight is
concentrated.
Bucking without supports (Fig. F)
• When the whole length of the tree trunk is stable
and even, start sawing from the top (No. 1).
• Make sure you do not saw into the ground.
Trunk cutting, supported on one end (Fig. G)
• When the tree trunk is propped up on one end,
make the first cut (No. 1) from underneath (1/3 of
the trunk diameter) in order to prevent splitting.
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• The second cut is made from the top (2/3 of the
diameter) in the same line as the first cut to prevent
the saw from becoming jammed.
Trunk cutting, supported on both ends (Fig. H)
• When the tree trunk is propped up on both ends,
make the first cut (No. 1) from the top (1/3 of the
trunk diameter) in order to prevent splitting.
• The second cut is made from underneath (2/3 of
the diameter) in the same line as the first cut to
prevent the saw from becoming jammed.
Limbing and Trimming
Attention: Always pay attention to, and protect
yourself against kickback. Never let the moving chain
at the top of the guide bar come into contact with
other branches or objects when limbing or trimming.
Such contact can cause serious injury.
Attention: Climb the tree for pruning or trimming. Do
not stand on ladders, platforms, etc. as you may lose
your balance and lose control of the device.
Important Notes
• Work slowly, and hold the saw firmly with both
hands. Ensure safe standing position and balance.
• Watch out for spring backs. Use extreme caution
when cutting small size limbs. Pliable material may
catch in the saw chain and be whipped toward you
or pull you off balance.
• Watch out for spring backs. This is especially true
for branches that are bent or under pressure. Avoid
coming in contact with the branch or the saw when
there is tension in the wood.
• Keep your work area clear. Keep the path clear of
branches to avoid tripping over them.
Lopping (Fig. J)
• Lopping means removing branches from the felled
tree.
• Leave the larger limbs that are underneath the
felled tree, and use them as support while you con-
tinue to work.
• Start at the base of the felled tree and work your
way up to the top. Remove smaller parts of the tree
with a cut in the direction of growth (arrows Fig. J).
• Be sure to keep the tree between you and the saw.
• Remove larger, supporting branches using the
methods in the section „Bucking without restraints".
• Always cut branches under tension from the un-
derneath to the top, so the saw does not become
trapped.
• Always cut small and freely hanging limbs with one
cut. By undercutting they could fall in and pinch the
saw.
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