Husqvarna 345e EPA III 用户手册
WORKING TECHNIQUES
30 – English
How to avoid kickback
What is kickback?
The word kickback is used to describe the sudden reaction
that causes the chain saw and bar to jump off an object when
the upper quadrant of the tip of the bar, known as the
kickback zone, touches an object.
that causes the chain saw and bar to jump off an object when
the upper quadrant of the tip of the bar, known as the
kickback zone, touches an object.
Kickback always occurs in the cutting plane of the bar.
Normally the chain saw and bar are thrown backwards and
upwards towards the user. However, the chain saw may
move in a different direction depending on the way it was
being used when the kickback zone of the bar touched the
object.
Normally the chain saw and bar are thrown backwards and
upwards towards the user. However, the chain saw may
move in a different direction depending on the way it was
being used when the kickback zone of the bar touched the
object.
Kickback only occurs if the kickback zone of the bar touches
an object.
an object.
Limbing
Make sure that you can stand and move about safely. Work
on the left side of the trunk. Work as close as possible to the
chain saw for maximum control. If possible, let the weight of
the chain saw rest on the trunk.
on the left side of the trunk. Work as close as possible to the
chain saw for maximum control. If possible, let the weight of
the chain saw rest on the trunk.
Keep the trunk between you and the chain saw as you move
along the trunk.
along the trunk.
Cutting the trunk into logs
See instructions under the heading Basic cutting technique.
!
WARNING! Kickback can happen very
suddenly and violently; kicking the chain
saw, bar and chain back at the user. If this
happens when the chain is moving it can
cause very serious, even fatal injuries. It is
vital you understand what causes kickback
and that you can avoid it by taking care and
using the right working technique.
suddenly and violently; kicking the chain
saw, bar and chain back at the user. If this
happens when the chain is moving it can
cause very serious, even fatal injuries. It is
vital you understand what causes kickback
and that you can avoid it by taking care and
using the right working technique.
!
WARNING! A majority of kickback
accidents occur during limbing. Do not use
the kickback zone of the guide bar. Be
extremely cautious and avoid contacting
the log, other limbs or objects with the nose
of the guide bar. Be extremely cautious of
limbs under tension. They can spring back
toward you and cause loss of control
resulting in injury.
accidents occur during limbing. Do not use
the kickback zone of the guide bar. Be
extremely cautious and avoid contacting
the log, other limbs or objects with the nose
of the guide bar. Be extremely cautious of
limbs under tension. They can spring back
toward you and cause loss of control
resulting in injury.