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Before each use
– Check the chain brake (10) to ensure it is functioning correctly.
– Checking the tensioning of the saw chain (7).
– Check the chain catcher for damage.
– Check the on/off switch (3) to ensure it is functioning correctly.
– Check the throttle block (17) to ensure it is functioning correctly.
– Check whether all handles are free of oil.
– Check whether all parts of the device are present, firmly attached and undamaged.
Sawing technique
Pulling sawing
With this technique, sawing occurs with the underside of the saw rail
from above downwards. The saw chain thus pushes the device for-
wards away from the user. This way, the front edge of the device
forms a support, which catches the forces which arise on the tree
trunk when sawing.
With pulling sawing, the user has much more control over the device
and can avoid rebounds better. Therefore, this is the preferred sawing technique.
Pushing sawing
With this technique, sawing occurs with the upper edge of the saw rail
from below upwards. The saw chain thus pushes the device back-
wards towards the user. If the saw rail twists, the device can fly
towards the user with great force.
If the user does not balance out the force of the saw chain pushing
backwards with his or her bodily force, there is a danger that only
the tip of the saw rail will make contact with the wood and there will
thus be a rebound (
Felling a tree
Before beginning the felling work, make sure that:
• there are no people or animals in the felling
area of the tree
• there is an obstacle-free escape route for each
participant. A retreat (B) occurs diagonally
counter to the felling direction (A).
• the area around the trunk is free of obstacles
(risk of stumbling!).
• the next workplace is at least two and a half tree lengths (A) away. Before felling, the felling
direction of the tree must be checked and it must be ensured that there are no objects or
people in a distance of 2 1/2 tree lengths.
DANGER!
Risk of injury!
Felling and delimbing work may only be performed by trained people! There is a risk of
fatal injuries!
B
B
A
45°
45°
GB
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