English
Observe safety notices and take the
necessary precautions.
Read, understand and save the
instruction manual.
Wear safety glasses.
If there is a danger of falling objects
during operation: Wear a safety hard
hat.
Wear safety boots.
Wear work gloves.
Observe safety notices on kickback
and take the necessary precautions.
Observe safety notices on flying debris
and take the necessary precautions.
Maintain safe distance.
15m (50ft)
Always remove the battery during work
breaks, transport, storage, mainte‐
nance or repairs.
Protect battery from heat and fire.
Do not immerse battery in fluids.
Observe battery's permissible tempera‐
ture range.
4.2
Intended Use
The STIHL FSA 90 trimmer is designed for the
following applications:
– with a mowing head: Mowing grass
– with a grass cutting blade: Mowing grass and
weeds
The trimmer may be used in the rain.
The trimmer is powered by a STIHL AP battery
or a STIHL AR battery.
28
WARNING
■ Batteries not explicitly approved for the trim‐
mer by STIHL may cause a fire or explosion.
This can result in serious or fatal injuries and
damage to property.
► Use the trimmer with a STIHL AP battery or
a STIHL AR battery.
■ Using the trimmer or the battery for purposes
for which they were not designed may result in
serious or fatal injuries and damage to prop‐
erty.
► Use the trimmer as described in this
instruction manual.
► Use the battery as described in this instruc‐
tion manual or the instruction manual for
the STIHL AR battery.
4.3
The Operator
WARNING
■ Users without adequate training or instruction
cannot recognize or assess the risks involved
in using the trimmer and battery. The user or
other persons may sustain serious or fatal
injuries.
► Read, understand and save the
instruction manual.
► If the trimmer or battery are passed on to
another person: Always give them the
instruction manual.
► Make sure the user meets the following
requirements:
– The user must be rested.
– The user must be in good physical con‐
dition and mental health to operate and
work with the trimmer and battery. If the
user's physical, sensory or mental abil‐
ity is restricted, he or she may work only
under the supervision of or as instructed
by a responsible person.
– The user is able to recognize and
assess the risks involved in using the
trimmer and battery.
– The user must be of legal age or is
being trained in a trade under supervi‐
sion in accordance with national rules
and regulations.
– The user has received instruction from a
STIHL servicing dealer or other experi‐
enced user before working with the trim‐
mer for the first time.
– The user must not be under the influ‐
ence of alcohol, medication or drugs.
4 Safety Precautions
0458-709-9821-D