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If the brake is applied during operation, let go of the handle lever and allow the engine to idle. Otherwise, the running engine will
heat up the clutch disc, which can lead to damage to the saw.
Persons who intend to work with a chainsaw for the first time should seek advice on work and safety from a qualified chainsaw
operator before starting work. The first works with the chainsaw should consist of cutting the prepared logs placed on a saw-horse.
During work, observe the basic occupational safety principles. Consider also the possibility of kickback in the operator's direction.
The chainsaw may kickback in the operator's direction when the cutting chain encounters resistance. To reduce this risk:
Pay attention to the placement of the guide bar top when cutting. It is forbidden to cut with the upper quarter of the guide bar top
(XII).
Cut only with the chain which moves along the bottom part of the guide bar. When cutting wood, the lower bumper tooth can be
used as a hook for the chainsaw's axis of rotation (XIII).
Only apply the started chainsaw to the wood to be cut. Do not start the chainsaw after having applied it to the wood being pro-
cessed.
When working, do not lift the chainsaw to arm height or higher (XIV).
Do not stand in the cutting plane. This will reduce the risk of injury in case of kickback (XV).
During work, always hold the chainsaw with both hands.
Make sure that the chain is always sharp and appropriately tensioned.
TIPS FOR WORKING WITH THE CHAINSAW
Take a comfortable position and ensure full freedom of movement when cutting.
When cutting branches and boughs, do not cut them at the trunk, but at a distance of about 15 cm from the trunk. Make two cuts
to a depth of 1/3 of the branch diameter, approximately 8 cm apart – One cut from below, one from above. Then cut the branch
just at the trunk to a depth equal to 1/3 of the branch diameter. Finish the process by cutting the branch at the trunk from above.
Do not cut the branches by cutting from the bottom (XVI).
When felling a tree, the felling site must be prepared in advance as described under "Preparing the work site". Additionally, prepare
a safe substrate for tree felling.
When a tree falls, stand at a safe distance to the plane of the tree fall, on the side.
When choosing a fall path for the tree, factors such as terrain, the tree's centere of gravity, the distribution of the tree's crown, and
wind direction should be taken into account.
To properly prepare the tree for felling, make a cut in the trunk to a depth of 1/3 of the trunk diameter on the side to which the tree
is to fall, and then cut another at an angle of 45 degrees to the first so as to cut a "wedge" in the trunk. On the other side of the
trunk, start cutting perpendicular to the trunk axis, slightly higher (approx. 4 cm) than the cut "wedge" base. Do not cut the trunk.
Leave a section of approximately 1/10 of the trunk diameter. Then insert the wedge for splitting the tree into the cut on the opposite
side to the planned side of the tree fall (XVII).
If the tree already falls during cutting, pull the chainsaw out of the trunk and move away along the prepared escape route to a
safe distance.
If the chainsaw gets stuck while cutting the trunk, never leave it in this position with the motor running. Switch off the chainsaw
engine and use wedges to extract the chainsaw from the trunk.
When cutting a tree that has already been felled into pieces, follow the rules indicated below.
Place the wood on the saw-horse or a stand so the cut piece can freely fall off to the ground without causing the chainsaw to jam.
If the chainsaw is jammed, proceed as described above.
Do not touch the chain and guide bar of the chainsaw to the ground or allow them to become soiled with earth.
It is forbidden to use a chainsaw to form hedges or shear bushes.
When working on a slope, stay above the cut wood.
Exercise particular caution when cutting a tensioned tree and entrust this activity to a qualified lumberjack, if possible.
When cutting tensioned wood and supported on both ends, cut it from above to a depth of 1/3 of the diameter, and then finish the
cut from the bottom.
If the wood is supported only at one end, cut the wood from the bottom to a depth equal to 1/3 of the diameter, and then finish the
process by cutting from the top (XVIII).
This will reduce the risk of the power chainsaw jamming during cutting.
Working with chainsaws for tree care with rope and carrying strap
Risk of injury! The chainsaw must only be used by trained operators. The user of a tree care chainsaw, who works at height with
a rope and carrying strap, should never work alone. He or she should always work with a ground support person with appropri-
ate emergency training. The user should be generally trained in safe climbing techniques and working positions and should be
equipped with the support belt, ropes, loops, snap hooks and other equipment necessary to maintain a safe and correct working
position for both the person and the chainsaw.
Preparing the chainsaw for use
The chainsaw must be tested, filled, started and warmed up by a person on the ground and then switched off before being lifted
to the user on the tree.
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