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Use the chain brake as a “parking brake” when starting
and when moving over short distances, to reduce the
risk of the moving chain accidentally hitting your leg, or
anyone or anything close by.
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To release the chain brake pull the front hand guard
backwards, towards the front handle.
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Kickback can be very sudden and violent. Most kickbacks
are minor and do not always activate the chain brake. If
this happens you should hold the chainsaw firmly and
not let go.
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The way the chain brake is activated, either manually
or automatically by the inertia release mechanism,
depends on the force of the kickback and the position of
the chainsaw in relation to the object that the kickback
zone of the bar strikes.
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If you get a violent kickback while the kickback zone
of the bar is farthest away from you, the chain brake is
designed to be activated by the inertia in the kickback
direction.
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If the kickback is less violent, or the kickback zone of the
bar is closer to you, the chain brake is designed to be
activated manually by the movement of your left hand.
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In the felling position, the left hand is in a position that
makes manual activation of the chain brake impossible.
With this type of grip, that is when the left hand is
placed so that it cannot affect the movement of the
front hand guard, the chain brake can only be activated
by the inertia action.
Will my hand always activate the chain brake
during a kickback?
No. It takes a certain force to move the hand guard forward.
If your hand only lightly touches the front guard or slips over
it, the force may not be enough to trigger the chain brake.
You should also maintain a firm grip on the chainsaw handles
while working. If you do and experience a kickback, your
hand may never leave the front handle and will not activate
the chain brake, or the chain brake will only activate after
the chainsaw has swung around a considerable distance. In
such instances, the chain brake might not have enough time
to stop the saw chain before it touches you.
There are also certain positions in which your hand cannot
reach the front hand guard to activate the chain brake; for
example, when the saw chain is held in the felling position.
Will my inertia activated chain brake always
activate during kickback in the event of a kickback?
No. First, your brake must be in working order. Testing the
brake is simple. We recommend you do before you begin
each work session. Second, the kickback must be strong
enough to activate the chain brake. If the chain brake is too
sensitive it would activate all the time which would be a
nuisance.
Will my chain brake always protect me from injury
in the event of a kickback?
No. First, the chain brake must be in working order to provide
the intended protection. Second, it must be activated during
the kickback as described above to stop the saw chain. Third,
the chain brake may be activated, but if the bar is too close
to you, the brake might not have enough time to slow down
and stop the chain before the chainsaw hits you.
Only you and proper working technique can eliminate
kickback and its danger.
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 control (B).
When you release the handle, the throttle control and the
throttle lock both move back to their original positions. This
arrangement means that the throttle control is automatically
locked at the idle setting.
GENERAL SAFETY PRECAUTIONS
BT-CS-40
