3BR 340, BR 340 L, BR 420, BR 420 C
English / USA
Warning!
The use of any blower
may be dangerous. It is
important that you read,
fully understand and
observe the following safety
precautions.
!Warning!
Reread the owner`s
manual and the safety
instructions peri-
odically.
Do not lend or rent your machine without
the owner`s manual.
Be sure that anyone using your unit
understands the information contained
in this manual.
!Warning!
Careless or improper use of the machine
may cause serious injury. Have your
STIHL Dealer show you how to operate
your blower. Observe all applicable
local safety regulations, standards and
ordinances.
!Warning!
Minors should never be allowed to use a
blower. Bystanders, especially children,
and animals should not be allowed in the
area where a machine is in use.
Never let the unit run unattended.
Most of these safety precautions and
warnings apply to the use of all STIHL
blowers. Different models may have
different parts and controls.
See the appropriate section of your
owner`s manual for a description of the
controls and function of the parts of your
machine.
Safe use of a blower involves
1. the operator
2. the blower
3. the use of the blower.
THE OPERATOR
Physical Condition
You must be in good physical condition
and mental health and not under the
influence of any substance (drugs,
alcohol, etc.) which might impair vision,
dexterity or judgment. Do not operate a
blower when you are fatigued.
Be alert - if you get tired while operating
your machine, take a break. Tiredness
may result in loss of control. Working
with any blower can be strenuous. If you
have any condition that might be
aggra
vated by strenuous work, check
with
your doctor before operating the
machine.
!Warning!
Prolonged use of a blower, (or other
machines) exposing the operator to
vibrations may produce whitefinger
disease (Raynaud`s phenomenon) or
carpal tunnel syndrome. These condi-
tions reduce the hand`s ability to feel
and regulate temperature, produce
numbness and burning sensations and
may cause nerve and circulation
damage and tissue necrosis.
All factors which contribute to white-
finger disease are not known, but cold
weather, smoking and diseases or
physical conditions that affect blood
vessels and blood transport, as well as
high vibration levels and long periods of
exposure to vibration are mentioned as
factors in the development of whitefinger
disease. In order to reduce the risk of
whitefinger disease and carpal tunnel
syndrome, please note the following:
The STIHL BR 340, 420 is equipped with
an antivibration system (AV). The AV
system is designed to reduce the
transmission of engine vibrations to the
operator's hands. An AV system is
recommended for those operators who
use blowers on a regular or sustained
basis.
Safety Precautions
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