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The chain brake (A) can either be activated manually
(by your left hand) or automatically by the inertia
release mechanism (a free- swinging pendulum). On
most of our models the front hand guard acts as a
counterweight in case of kickback.
A
B
The brake is applied when the front hand guard (B) is
pushed forwards.
B
This movement activates a spring-loaded mechanism
that tightens the Brake Band (C) around the engine
drive system (D) (Clutch Drum).
B
C
D
The front hand guard is not designed solely to activate
the chain brake. Another important safety feature is that
it prevents the chain from hitting your left hand if you
lose your grip on the front handle.
You can also use the chain brake as a temporary brake
when you change position or if you put the saw down
for a short time. You should also apply the chain brake
manually if there is a risk of the chain accidentally
hitting anyone or anything close by.
To release the chain brake pull the front hand guard
backwards, towards the front handle.
The inertia activated chain brake increases your safety,
but there are certain factors to remember. The way the
chain brake is triggered, either manually or
automatically, depends on the force of the kickback and
the position of the chain saw in relation to the object
that the kickback zone of the bar strikes.
If you get a violent kickback while the kickback zone of
the bar is farthest away from you the chain brake will be
activated by the movement of the counterweight
(INERTIA ACTIVATED).
If the kickback is less violent or the kickback zone of the
bar is closer to you the chain brake will be activated
manually by the movement of your left hand.
Содержание NT3760
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