BR 450, BR 450 C
English
9
Save water by using a blower instead of 
a water hose for lawn and garden work 
wherever possible, e.g. for cleaning 
yards and patios.
Recommended working technique to 
minimize air pollution:
– If conditions are very dusty, dampen 
surfaces slightly before blowing. 
– Pull out the nozzle to full length so 
that the airstream is at ground level.
– Do not blow particles in the direction 
of bystanders, in particular in the 
direction of children, pets, open 
windows or freshly washed 
vehicles. Take special care in such 
situations.
– Remove the blow-swept debris in 
rubbish bins – do not blow it onto the 
neighbor's land.
Recommended working technique to 
minimize noise:
– Operate your power tool at 
reasonable times only – not early in 
the morning, late at night or during 
midday rest periods when people 
could be disturbed. Observe local 
rest periods.
– Fewer engines mean less noise. 
Where possible, do not run more 
than one power tool at any time.
– Operate blowers at the lowest 
engine speed necessary to 
accomplish the task.
– Check your blower before starting 
work. Pay special attention to the 
muffler, air intakes and air filter.
Operate and start your power tool only 
outdoors in a well-ventilated area. 
Operate it under good visibility and 
daylight conditions only. Work carefully.
WARNING
WARNING
Inhalation of certain dusts, especially 
organic dusts such as mold or pollen, 
can cause susceptible persons to have 
an allergic or asthmatic reaction. 
Substantial or repeated inhalation of 
dust and other airborne contaminants, in 
particular those with a smaller particle 
size, may cause respiratory or other 
illnesses. This includes wood dust, 
especially from hardwoods, but also 
from some softwoods such as Western 
Red Cedar. Control dust at the source 
where possible. Use good work 
practices, such as operating the unit so 
that the wind or operating process 
directs any dust raised by the power tool 
away from the operator. Follow the 
recommendations of 
EPA/OSHA/NIOSH and occupational 
and trade associations with respect to 
dust ("particulate matter"). When the 
inhalation of dust cannot be 
substantially controlled, i.e., kept at or 
near the ambient (background) level, the 
operator and any bystanders should 
wear a respirator approved by 
NIOSH/MSHA for the type of dust 
encountered.
WARNING
If the substance being blown is a 
commercial substance, review the 
material safety data sheet for that 
substance and / or consult the material 
manufacturer / supplier. The state of 
California and some other authorities, 
for instance, have published lists of 
substances known to cause cancer, 
reproductive toxicity, etc.
WARNING
Breathing asbestos dust is dangerous 
and can cause severe or fatal injury, 
respiratory illness or cancer. The use 
and disposal of asbestos-containing 
As soon as the engine is 
running, this product gen
-
erates toxic exhaust 
fumes containing chemi
-
cals, such as unburned 
hydrocarbons (including 
benzene) and carbon 
monoxide, that are 
known to cause respira
-
tory problems, cancer, 
birth defects, or other 
reproductive harm. Some 
of the gases (e.g. carbon 
monoxide) may be color
-
less and odorless. To 
reduce the risk of serious 
or fatal injury/illness from 
inhaling toxic fumes, 
never run the machine 
indoors or in poorly venti
-
lated locations. If exhaust 
fumes become concen
-
trated due to insufficient 
ventilation, clear obstruc
-
tions from work area to 
permit proper ventilation 
before proceeding and/or 
take frequent breaks to 
allow fumes to dissipate 
before they become 
concentrated.
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