Scheppach CSH2400-160E Originalbetriebsanleitung Seite 30

If a tree does not fall completely, set the saw aside and
pull with a cable winch, block and tackle, or tractor.
Sawing a felled tree (Bucking)
The term „BUCK" means to cut a felled tree trunk into the
desired log length.
m 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 distribu-
te 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 cut-
ting 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)
m Caution: If the saw is clamped into a log, do not pull
it out by force. You risk losing control of the device, the-
reby 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 under-
cut; it is just as easy to train from the top. Hold the saw
firmly and maintain control. The saw will push backwards
(towards you).
m 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.
• The second cut is made from the top (2/3 of the dia-
meter) in the same line as the first cut to prevent the
saw from becoming jammed.
30 GB
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 dia-
meter) 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
m Attention: Always pay attention to, and protect your-
self against kickback. Never let the moving chain at the
top of the guide bar come into contact with other bran-
ches or objects when limbing or trimming. Such contact
can cause serious injury.
m 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
• 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).
• Remove larger, supporting branches using the me-
thods in the section „Bucking without restraints".
• Always cut branches under tension from the under-
neath to the top, so the saw does not become trap-
ped.
• Always cut small and freely hanging limbs with one
cut. By undercutting they could fall in and pinch the
saw.
Trimming (Fig. I)
m Attention: Leave stubs in branches or below cut
them to shoulder level only. Never cut branches above
shoulder height. Leave such work to an expert.
• Make the first cut (Item 1) 1/3 in the bottom of the limb.
• Then cut the second section (Item 2) all the way
through the branch. The third section (item 3) is
a general section that allows you to separate the
branch at 2.5 to 5 cm from the trunk.