4 Safety 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, maintenance or repairs.
Protect battery from heat and fire.
0458-709-9921-B
Do not immerse battery in fluids.
Observe battery's permissible temperature
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.
WARNING
■ Batteries not explicitly approved for the trimmer 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 property.
► Use the trimmer as described in this instruction manual.
► Use the battery as described in this instruction manual
or the instruction manual for the STIHL AR battery.
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