Operation Manual

GS 461
English
4
STIHL can supply a comprehensive
range of protective clothing and
equipment.
Transporting the machine
Always stop the engine and attach the
chain scabbard.
Carry the machine only by the top
handle – guide bar towards the rear –
with the hot muffler facing away from the
body.
Avoid touching hot parts of the machine,
especially the surface of the muffler –
risk of burns!
In vehicles: Properly secure your
machine to prevent turnover, damage
and fuel spillage.
Refueling
Switch off the engine before refueling.
Never refuel the machine while the
engine is still hot – the fuel may spill over
– risk of fire!
Open the fuel filler cap carefully so that
any excess pressure is relieved
gradually and fuel does not splash out.
The machine may only be refueled in a
well ventilated place. Clean the machine
immediately if fuel is spilled. Change
your clothes immediately if they are
contaminated with fuel.
Dust may collect on the engine unit,
particularly around the carburetor. If the
dust is soaked with gasoline, it may
catch fire. For this reason, ensure that
the dust is always removed.
Bayonet filler cap
Never use a tool to open or close the
bayonet filler cap. This could damage
the cap and cause fuel to leak out.
Secure the bayonet filler cap tightly after
refueling.
Diamond abrasive chain
The diamond abrasive chain, guide bar
and chain sprocket must match each
other and your concrete cutter.
Use only approved diamond abrasive
chains. If unauthorized chains are used,
aggressive cutting cannot be ruled out.
This may lead to uncontrolled and
exceedingly dangerous reaction forces
(kickback) in the machine – risk of fatal
injuries!
Only use diamond abrasive chain for the
specified materials, observe diamond
abrasive chain codes.
Always cut with water.
Before fitting used diamond abrasive
chains, 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.
Visit your servicing dealer.
Before starting
Check that concrete cutter is properly
assembled and in good condition – refer
to appropriate chapters in the Instruction
Manual:
– Check fuel system for leaks,
especially the visible parts, e. g.,
filler cap, hose connections, fuel
pump. Do not start the engine if
there are leaks or damage – risk of
fire! Have the machine repaired by a
servicing dealer before using it
– functional, front hand guard
– Check chain sprocket
– Sprocket nose moves easily
– Correctly mounted guide bar
– The diamond abrasive chain must
be suitable for the material to be cut.
It must be in good condition and
fitted correctly (direction of running).
– Correctly tensioned diamond
abrasive chain
Gasoline is an extremely
flammable fuel – keep
clear of naked flames and
fire – do not spill any fuel
– no smoking.
Check for fuel leakage
while refueling and during
operation. Never start the
engine if fuel has been
spilled or is leaking –
Fatal burns may result!