Bedienungsanleitung Husqvarna 445e TrioBrake (Seite 12 von 36) (Englisch)

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GENERAL SAFETY PRECAUTIONS

12 – English

1153159-26 Rev.1 2009-12-29

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.

(7)

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.

• 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.

(8)

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 of the

chain saw 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 saw 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 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, see instructions under the heading

Checking, maintaining and servicing chain saw safety

equipment. 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

chain saw hits you.

Only you and proper working technique can eliminate

kickback and its danger.

Throttle lockout

The throttle lockout 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 lockout both move back to their

original positions. This arrangement means that the

throttle control is automatically locked at the idle setting.

(9)

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 (see instructions under the heading

Assembly) and if the bar and chain are properly serviced

and maintained (see instructions under the heading

General working instructions).

(10)

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.

(11)

Vibration damping system

Your machine is equipped with a vibration damping

system that is designed to minimize vibration and make

operation easier.

The machine′s vibration damping system reduces the

transfer of vibration between the engine unit/cutting

equipment and the machine

′s handle unit. The body of the

chain saw, including the cutting equipment, is insulated

from the handles by vibration damping units.

Cutting hardwoods (most broadleaf trees) creates more

vibration than cutting softwoods (most conifers). Cutting

with cutting equipment that is blunt or faulty (wrong type

or badly sharpened) will increase the vibration level.

Stop switch

Use the stop switch to switch off the engine. (12)

WARNING! Overexposure to vibration

can lead to circulatory damage or nerve

damage in people who have impaired

circulation. Contact your doctor if you

experience symptoms of overexposure

to vibration. Such symptoms include

numbness, loss of feeling, tingling,

pricking, pain, loss of strength, changes

in skin colour or condition. These

symptoms normally appear in the

ﬁngers, hands or wrists. These

symptoms may be increased in cold

temperatures.

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