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4 Safety Precautions
4.2 Intended Use
The STIHL RMA 443 PC, RMA 443 TC, RMA 448 PC or 
RMA 448 TC lawn mower is used to mow dry grass.
The lawn mower is supplied with power by a STIHL AP 
battery.
WARNING
■ Batteries not approved by STIHL for the lawn mower may 
cause fires and explosions. This may result in serious or 
fatal injury to people and damage to property.
► Use the lawn mower with a STIHL AP battery.
■ Failure to use the lawn mower or battery as intended may 
result in serious or fatal injury to people and damage to 
property.
► Use the lawn mower and battery as described in this 
instruction manual.
4.3 Requirements for the User
WARNING
■ Uninstructed users cannot recognise or evaluate the 
dangers posed by the lawn mower and battery. This may 
result in serious or fatal injury to the user or other people.
► If passing on the lawn mower or battery to another 
person: provide them with the instruction manual also.
► Make sure that the user meets the following conditions:
– The user is rested.
– The user is physically, sensorily and mentally capable 
of operating the lawn mower and battery and working 
with them. If the user is physically, sensorily or 
mentally impaired, the machine must only be used 
under supervision or following instruction by a 
responsible person.
– The user can recognise and evaluate the dangers 
posed by the lawn mower and battery.
– The user is aware that they are responsible for 
accidents and damage.
– The user is of legal age or the user is being trained 
under supervision in a profession in accordance with 
national regulations.
– The user has received instruction from a STIHL 
specialist dealer or a competent person before using 
the lawn mower for the first time.
– The user is not impaired by alcohol, medicines or 
drugs.
► If anything is unclear: consult a STIHL specialist dealer.
4.4 Clothing and Equipment
WARNING
■ Objects may be thrown up at high velocity while working. 
This may result in injury to the user.
► Wear long trousers made from resistant material.
■ Dust may be stirred up while working. Breathing in dust 
may be harmful to health and cause allergic reactions.
► If dust is stirred up: wear a dust mask.
■ Unsuitable clothing may get caught in wood, brambles 
and in the lawn mower. This may result in serious injury to 
the user.
► Wear close-fitting clothing.
► Remove scarves and jewellery.
Observe the permissible temperature range for 
the battery.
► Read, understand and keep the instruction 
manual.