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During felling your left hand grasps the front handle in
such a way that it cannot activate the front hand guard.
In this position the chain brake can only be activated by
the inertia action of the counterweight.
Throttle lock
The throttle lock is designed to prevent accidental
operation of the throttle control. When you press the
lock (A) (i.e. when you grasp the handle) it releases the
throttle trigger (B).
When you release the handle the throttle trigger and the
throttle lock both move back to their original positions.
This movement is controlled by two independent return
springs.
This arrangement means that the throttle control is
automatically locked at the idle setting when you
release the handle.
A
B
Chain catcher
The chain catcher is designed to catch the chain if it
snaps or jumps off. This should not happen if the chain
is properly tensioned and if the bar and chain are
properly serviced and maintained.
Right hand guard
Apart from protecting your hand if the chain jumps or
snaps, the right hand guard stops branches and twigs
from interfering with your grip on the rear handle.
Vibration damping system
Your chain saw is equipped with a vibration damping
system that is designed to minimize vibrations and
make operation more comfortable and easier to work
with this machine.
When you use a chain saw vibrations are generated by
the uneven contact between the chain and the wood
you are cutting.
Cutting hardwoods (most broadleaf trees) creates more
vibration than cutting softwoods (most conifers). Cutting
Содержание NT3760
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