HS 81 R, HS 81 RC, HS 81 T, HS 81 TCEnglish
7 Before Starting
Keep the handles clean and dry at all
times; it is particularly important to keep
them free of moisture, pitch, oil, fuel mix,
grease or resin in order for you to
maintain a firm grip and properly control
your power tool.STIHL recommends that you always
spray the cutter blades with STIHL resin
solvent before starting work – with the
engine stopped! You can obtain this
protective spray from your dealer. Apply
Start the engine at least 10 feet (3 m)
from the fueling spot, outdoors only.
For specific starting instructions, see the
appropriate section of your manual.
Place the power tool on firm ground or
other solid surface in an open area.
Maintain good balance and secure
footing.Once the engine has started,
immediately blip the throttle trigger,
which should release the starting throttle
and allow the engine to slow down to
Important Adjustments Warning!
Always check your power tool for proper
condition and operation before starting,
particularly the throttle trigger, throttle
trigger lockout, stop switch and cutting
tool. The throttle trigger (if applicable)
must move freely and always spring
back to the idle position. Never attempt
to modify the controls or safety devices.
Never use a power tool that is damaged
or not properly maintained.
Check that the spark plug boot is
securely mounted on the spark plug – a
loose boot may cause arcing that could
ignite combustible fumes and cause a
The cutting tool must be properly tight-
ened and in safe operating condition.
Inspect for loose parts (nuts, screws,
etc.) and for cracked, bent, warped or
damaged blades. Regularly check the
condition and tightness of the cutter
blades – with the engine stopped!
Replace damaged cutter blades before
using the power tool. Always keep
To reduce the risk of injury from blade
contact, be absolutely sure that the cut-
ting tool is clear of you and all other
obstructions and objects, including the
ground, because when the engine starts
at starting-throttle, engine speed will be
fast enough for the clutch to engage and
move the blades on the cutting tool.
Your power tool is a one-person
machine. Do not allow other persons in
the general work area, even when
To reduce the risk of injury from loss of
control, do not attempt to drop start
your power tool.
When you pull the starter grip, do not
wrap the starter rope around your hand.
Do not let the grip snap back, but guide
the starter rope to rewind it properly.
Failure to follow this procedure may
result in injury to your hand or fingers
and may damage the starter
To reduce the risk of personal injury
from loss of control or contact with the
running cutting tool, do not use your unit
with incorrect idle adjustment. At correct
idle speed, the cutting tool should not
move. For directions on how to adjust
idle speed, see the appropriate section
of your instruction manual.