Stihl FS 311 User Manual

FS 311
English
30
The unit is balanced differently,
depending on the cutting attachment
used.
N With the unit suspended from the
harness, see how it is balanced and
change attachment point as
necessary:
Mowing attachments
Mowing heads, grass cutting blades and
brush knives should just touch the
ground.
Circular saw blades
Circular saw blades should "hover"
about 8 in. (20 cm) above the ground.
Controls
1 Throttle trigger lockout
2 Throttle trigger
3 Stop switch with Run and Stop
positions. Depress the stop switch
(…) to switch off the ignition – see
"Function of stop switch and ignition
system".
Function of stop switch and ignition
system
The ignition is switched off and the
engine stopped when the stop switch is
pressed. The stop switch returns
automatically to the Run position when it
is released: The ignition is switched on
again after the engine stops – the engine
is then ready to start.
Starting the Engine
N Press the manual fuel pump
bulb (9) at least five times – even if
the bulb is already filled with fuel.
N Press in the choke knob (8) and turn
it to the position that suits the engine
temperature:
The choke knob must engage in
position.
Balancing the Machine
256BA016 KN
256BA017 KN
Starting / Stopping the
Engine
3
1
2
0000-GXX-0494-A0
g if the engine is cold
< for warm start – also use this posi
-
tion if the engine has been running
but is still cold.
0000-GXX-0478-A0

Stihl FS 311 Specifications

General

Type	2-in-1 Brush cutter & String trimmer
Cordless	Yes
Head type	Blade
Handle type	U-type handle
Engine power	1.9 hp
Product color	Black, Metallic, Orange
Uncertainty K	2 m/s²
Rotational speed	8500 RPM
Number of strokes	4
Sound power level	110 dB
Fuel tank capacity	0.71 L
Engine displacement	36.3 cm³
Sound pressure level	99 dB
Cutting diameter (max)	480 mm
Power source	Gasoline

Weight and Dimensions

Length	1800 mm
Weight	7200 g