6
English / USA
BR 340, BR 340 L, BR 420, BR 420 C
!Warning!
Before starting work, always inspect the
rubber buffers which connect the engine
to the pack frame. If the buffers are torn
or damaged, they should be replaced by
your STIHL dealer. Failure of one or
more buffers may cause the engine or
fuel tank to hit or rub against other parts,
and may lead to serious injury from
increased vibrations or from fire as the
result of fuel leakage.
Fueling
This STIHL unit uses an oil-gasoline
mixture for fuel (see the chapter on
"Fuel" of your owner`s manual).
!Warning!
Gasoline is an extremely
flammable fuel. If spilled
or ignited by a spark or
other ignition source, it
can cause fire and serious
burn injury or property
damage.
!Warning!
To reduce the risk of serious injury from
burns, never attempt to refuel the unit
until it has been completely removed
from the operator.
Use extreme caution when handling
gasoline or fuel mix.
Do not smoke or bring any fire or flame
near the fuel.
Fueling instructions
Fuel your machine in well-ventilated
areas, outdoors only. Always shut off the
engine and allow it to cool before
refueling. Relieve fuel tank pressure by
loosening fuel cap slowly. Never remove
fuel filler cap while engine is running.
Select bare ground for fueling and move
at least 10 feet (3 m) from the fueling
spot before starting the engine. Always
tighten fuel filler cap securely after
fueling. Wipe off any spilled fuel before
starting your blower and check for
leakage.
!Warning!
Check for fuel leakage while refueling
and during operation. If fuel or oil
leakage is found, do not start or run the
engine until leak is fixed and spilled fuel
has been wiped away. Take care not to
get fuel on your clothing. If this happens,
change your clothing immediately.
Always store gasoline in approved
container.
!Warning!
Unit vibrations can cause an improperly
tightened fuel cap to loosen or come off
and spill quantities of fuel.
In order to reduce risk of
fuel spillage and fire,
tighten fuel cap by hand
with as much force as
possible.
Before Starting
!Warning!
Never operate your machine if it is
damaged, improperly adjusted or not
completely and securely assembled.
You should always inspect your unit
before starting it. Make sure the controls
and safety devices are working properly.
!Warning!
To reduce the risk of injury from thrown
parts, check your fanwheel and fan
housing for damage (cracks, nicks,
chipping). If any damage is found, stop
using the unit and contact your STIHL
dealer for repair.
: Throttle trigger must move freely
and spring back to idle position
when released.
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