Instruction Manual

GS 461
English
6
To reduce the risk of serious or fatal
injury from breathing toxic fumes,
ensure proper ventilation when working
in trenches, hollows or other confined
locations. This reduces the risk of
serious or fatal injury from breathing
toxic fumes.
Stop work immediately if you start
suffering from nausea, headaches,
impaired vision (e.g. your field of vision
gets smaller), impaired hearing,
dizziness, or impaired concentration –
these symptoms may possibly be the
result of too-high exhaust gas
concentration – Risk of accidents!
To reduce the risk of fire, do not smoke
while operating or standing near your
power tool. Combustible fuel vapor may
escape from the fuel system.
Examine the diamond abrasive chain
periodically at short intervals, check that
they are not cracked, chipped, check
also that there are no damaged or
missing segments, signs of overheating
(discoloration).
Never use diamond abrasive chains that
are cracked or have chipped segments.
contact your servicing dealer.
In the event of noticeable changes in
cutting behavior (e. g., increased
vibration, reduced cutting performance),
stop work and eliminate the causes of
the changes.
– Switch off the engine and wait until
the diamond abrasive chain is
stationary
– Check condition and correct tension
of diamond abrasive chain
– Ensure that the cutting blades are
sharp
Never touch the diamond abrasive chain
when the motor is running. If the
diamond abrasive chain becomes
jammed by an object, switch off the
engine immediately before attempting to
remove the object – risk of injury!
To change the diamond abrasive chain,
switch off the engine – risk of injury!
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. Do
not continue operating your power tool if
it is damaged. In case of doubt, contact
a dealer.
Check for correct idling, so that the
diamond abrasive chain stops moving
when the throttle trigger is released.
Check and correct the idle speed setting
at regular intervals. Have the machine
repaired by a STIHL servicing dealer if
the diamond abrasive chain continues to
run nevertheless.
Reactive forces
The most frequently occurring reactive
forces are pull-in and pushback.
Pull-in (A)
When the diamond abrasive chain on
the bottom of the guide bar –
overbucking – is jammed or encounters
a solid object, the concrete cutter may
suddenly be drawn forward to the
workpiece.
Pushback (B)
When the diamond abrasive chain on
the top of the guide bar – underbucking
– is jammed or encounters a solid object,
the concrete cutter may suddenly be
pushed straight back toward the
operator
As soon as the engine is
running, the power
machine generates toxic
exhaust gas. These
gases may be odorless
and invisible and may
contain unburned hydro
-
carbons and benzene.
Never run the engine
indoors or in poorly venti
-
lated locations, even if
your model is equipped
with a catalytic converter.
2411BA001 KN
A
2411BA002 KN
B