Guide to Using this Manual
Pictograms
All the pictograms attached to the
machine are shown and explained in this
manual.
Symbols in text
Warning where there is a risk of an
accident or personal injury or serious
damage to property.
Caution where there is a risk of
damaging the machine or its individual
components.
Engineering improvements
STIHL's philosophy is to continually
improve all of its products. For this
reason we may modify the design,
engineering and appearance of our
products periodically.
Therefore, some changes, modifications
and improvements may not be covered
in this manual.
RE 521, RE 551 PLUS, RE 581, RE 581 PLUS
Safety Precautions and
Working Techniques
The high water pressure
generated and the power
connection are particular
sources of danger.
It is important that you
carefully read the entire
Instruction Manual before
using the machine for the
first time and keep it in a
safe place for future ref -
erence. Non-compliance
with the Instruction Man -
ual may cause serious or
even fatal injury.
Warning!
Minors should never be allowed to
–
use the high-pressure cleaner –
except for young trainees over the
age of 16 when working under
supervision.
Supervise children to ensure that
–
they do not play with the machine.
The machine should only be
–
provided or loaned to people
familiar with this model and its
operation. The instruction manual
should always be handed over with
the machine.
Do not use the machine if anyone
–
not wearing protective clothing is in
the working area.
Before starting any work on the
–
machine, e. g., cleaning, servicing,
replacement of parts – unplug the
power plug!
Observe the national safety regulations
issued, for example, by the employers'
liability insurance association, social
security institutions, occupational safety
and health authorities or other
organizations.
When not using the machine, it must be
put down in such a way that it does not
endanger anyone. Ensure that the
machine cannot be used without
authorization; unplug the power cord.
Persons who are unable to operate the
machine safely due to limited physical,
sensory or mental capacity may only use
the machine under the supervision of or
after instruction by a responsible person.
The user is responsible for accidents or
risks involving third parties or their
property.
If using the machine for the first time:
Have your STIHL dealer or another
expert show you how to use it safely.
In some countries, operation of
machines that emit noise may be
restricted by municipal regulations.
Observe national regulations.
Unsuitable extension cords may be
dangerous. When working outdoors,
use only extension cords that are
approved for this use and
correspondingly marked and have a
sufficient cross-section.
Never touch the power plug, power cord
and extension cord and electrical plug
connections with wet hands.
Always check that the machine is in
good working order before starting work.
Pay particular attention to the power
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