Condition LEDs on Bat‐
tery
Cause Remedy
Normal battery life
has been exceeded.
► Replace the battery.
Mowing head
cannot be
unscrewed by
hand.
Mowing head over‐
tightened.
► Block the fanwheel with the stop pin.
► Unscrew mowing head by hand.
► Remove stop pin.
Charge process
does not start
when battery is
inserted in the
charger.
1 LED glows
red.
Battery too hot or too
cold.
► Leave battery in the charger.
Charge process starts automatically as
soon as permissible temperature range
is reached.
19.2 Troubleshooting Charger
Condition LED on
Charger
Cause Remedy
Battery not being
charged.
LED flashes
red.
No electrical contact
between charger and
battery.
► Remove the battery.
► Clean contacts on charger.
► Fit the battery.
Malfunction in
charger.
► Do not use the charger and contact your
STIHL servicing dealer.
20 Specifications
20.1 STIHL FSA 60 R Brushcutter
–
Approved battery: STIHL AK
–
Weight without battery, cutting attachment and
guard: 3.3 kg
–
Length without cutting attachment: 1680 mm
The running time is shown at www.stihl.com/
battery-life.
20.2 STIHL AK Battery
–
Battery technology: Lithium-ion
–
Voltage: 36 V
–
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
20.3 Charger STIHL AL 101
–
Rated voltage: see rating plate
–
Frequency: see rating plate
–
Rated power: see rating plate
–
Charging current: see rating plate
–
Permissible temperature range for use and
storage: + 5 °C to + 40 °C
The charging times are indicated at
www.stihl.com/charging-times.
20.4 Extension Cords
If an extension cord is used, the cross sectional
area of its conductors must meet the following
minimum requirements – depending on the line
voltage and length of the extension cord:
If rated voltage on the rating label is 220V to
240V:
–
Cord length up to 20 m: AWG 15 / 1.5 mm²
–
Cord length 20 m up to 50 m: AWG 13 /
2.5 mm²
If rated voltage on the rating label is 100V to
127V:
–
Cord length up to 10 m: AWG 14 / 2.0 mm²
–
Cord length 10 m up to 30 m: AWG 12 /
3.5 mm²
20.5 Sound Values and Vibration
Values
K-value (uncertainty) for sound pressure levels is
2 dB(A). K-value for sound power levels is 2
dB(A). K-value for vibration level is 2 m/s².
STIHL recommends wearing ear defenders.
–
Sound pressure level L
pA
measured as speci‐
fied in EN 50636‑2‑91: 81 dB(A)
–
Sound power level L
wA
measured as specified
in EN 50636-2-91: 94 dB(A)
–
Vibration level a
hv
measured as specified in
EN 50636-2-91
–
Control handle: 2.0 m/s².
–
Loop handle: 3.7 m/s².
The vibration levels indicated were measured
according to a standardized test method and can
be used as a basis for comparing electric power
English 20 Specifications
18 0458-832-0121-B. VA0.B21.