21 Specifications
Fault
LEDs on the
battery
The lawn scari‐
fier operating
time is too short.
The battery gets
stuck when fitting
it into the battery
compartment.
Charging fails to
1 LED illumina‐
start after fitting
tes red.
the battery into
the charger.
21 Specifications
21.1
STIHL RLA 240.0 Lawn Scari‐
fier
– Permissible battery: STIHL AK
– Weight without battery: 14 kg
– Maximum grass catcher box capacity: 50 l
– Working width: 34 cm
– Speed: 3500 rpm
– Working depth: Infinitely variable, adjustment
range 15 mm
21.2
Rollers
Scarifying roller
– 16 fixed blades
Combing roller
– 11x2 moving spring-tines
21.3
STIHL AK Battery
– Battery technology: Lithium-ion
– Voltage: 36 V
0478-670-9809-B
Cause
The battery is not fully
charged.
The battery service
life has been excee‐
ded.
The area around the
roller is blocked.
The roller is blunt or
worn.
The resistance at the
roller is too great.
The guides or electric
contacts in the battery
compartment are
dirty.
The battery is too
warm or too cold.
– Capacity in Ah: see rating label
– Energy content in Wh: see rating label
– Weight in kg: see rating label
– Permissible temperature range for operation
and storage: -10°C to +50°C
21.4
The K value for the sound pressure level is
3 dB(A). The K value for the sound power level is
3.2 dB(A). The K value for the vibration value is
2.4 m/s².
– Sound pressure level L
ance with EN 50636-2-92: 75 dB(A)
– Guaranteed sound power level L
ured in accordance with 2000/14/
EC / S.I. 2001/1701: 92 dB(A)
– Vibration value a
with EN ISO 20643, EN 50636-2-92, handle‐
bar: 4.8 m/s²
The indicated vibration values were measured in
accordance with a standardised test method and
can be used for the purpose of comparing electri‐
cal appliances. The actual vibration values that
occur may deviate from the indicated values,
depending on the type of application. The indica‐
ted vibration values can be used for an initial
assessment of the vibration load. The actual
vibration load must be assessed. Times during
which the electrical appliance is switched off,
Remedy
► Fully charge the battery.
► Replace the battery.
► Clean the lawn scarifier.
► Check the rollers.
► Reduce the working depth.
► Scarify or comb lower grass.
► Clean the lawn scarifier.
► Leave the battery inserted in the char‐
ger.
Charging starts automatically as soon as
the permissible temperature range is
reached.
Sound Values and Vibration
Values
pA
measured in accordance
hw
English
measured in accord‐
meas‐
WAd
39