Stihl BT 131 Instruction Manual page 8

English
If your power tool is subjected to
unusually high loads for which it was not
designed (e.g. heavy impact or a fall),
always check that it is in good condition
before continuing work – see also
"Before Starting".
Check in particular that the fuel system
has no leaks and the safety equipment is
fully operative. Never use a power tool
that is no longer safe to operate. In case
of doubt, contact a dealer.
Do not operate your power tool in the
starting throttle position – engine speed
cannot be controlled in this position.
To reduce the risk of injury, do not touch
the drilling tool and drilling spindle
unless the engine is stopped and the
drilling tool is at a standstill.
Avoid contact with lines
carrying electrical cur-
rent – Risk of electrical
shock!
Hold the machine firmly so that sudden
jolts can be absorbed – only apply a
small amount of pressure when drilling.
Take particular care
when working in stony
areas or ground with
roots.
Cover drilled holes and secure them.
To reduce the risk of injury, shut off the
engine and engage the drill brake before
changing the drill.
Do not touch machine parts, particularly
the muffler – Risk of burn injuries.
Always shut off the engine before
leaving the unit unattended.
6
Check drilling tools at regular short
intervals during operation or
immediately if there is a noticeable
change in operating behavior. Replace
damaged or dull drilling tools and blades
immediately.
Vibrations
Prolonged use of the power tool may
result in vibration-induced circulation
problems in the hands (whitefinger
disease).
No general recommendation can be
given for the length of usage because it
depends on several factors.
The period of usage is prolonged by:
Hand protection (wearing warm
–
gloves)
Work breaks
–
The period of usage is shortened by:
Any personal tendency to suffer
–
from poor circulation (symptoms:
frequently cold fingers, tingling
sensations).
Low outside temperatures.
–
The force with which the handles
–
are held (a tight grip restricts
circulation).
Continual and regular users should
monitor closely the condition of their
hands and fingers. If any of the above
symptoms appear (e.g. tingling
sensation in fingers), seek medical
advice.
Maintenance and Repairs
Service the machine regularly. Do not
attempt any maintenance or repair work
not described in the instruction manual.
Have all other work performed by a
servicing dealer.
STIHL recommends that you have
servicing and repair work carried out
exclusively by an authorized STIHL
servicing dealer. STIHL dealers are
regularly given the opportunity to attend
training courses and are supplied with
the necessary technical information.
Only use high-quality replacement parts
in order to avoid the risk of accidents
and damage to the machine. If you have
any questions in this respect, consult a
servicing dealer.
STIHL recommends the use of original
STIHL replacement parts. They are
specifically designed to match your
model and meet your performance
requirements.
To reduce the risk of injury from
unintentional engine startup, always
shut off the engine and disconnect the
spark plug boot before performing any
repairs, maintenance or cleaning work. –
Exception: Carburetor and idle speed
adjustments.
Do not turn the engine over on the
starter with the spark plug boot or spark
plug removed since there is otherwise a
risk of fire from uncontained sparking.
To reduce the risk of fire, do not service
or store your machine near open flames.
Check the fuel filler cap for leaks at
regular intervals.
BT 131