Stihl FS 91 R User Manual

FS 91, FS 91 R
English
33
Circular saw blades (B)
N should "hover" about 20 cm (8 in)
above the ground.
When the correct balanced position has
been reached:
N Tighten down the screw (1) on the
carrying ring firmly.
Disconnecting Machine from Harness
N Press down the bar on the
carabiner (1) and pull the carrying
ring (2) out of the carabiner.
Controls
Version with Bike Handle
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".
Version with Loop Handle
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.
B
002BA035 KN
002BA661 KN
2
1
1
1
2
2
Starting / Stopping the
Engine
3
1
2
0000-GXX-0494-A0
2
1
3
0000-GXX-0477-A0

Stihl FS 91 R Specifications

General

Type	String trimmer
Cordless	Yes
Head type	Nylon line
Handle type	D-loop handle
Engine power	1.3 hp
Product color	Black, Metallic, Orange
Uncertainty K	2 m/s²
Rotational speed	8000 RPM
Number of strokes	4
Sound power level	107 dB
Fuel tank capacity	0.71 L
Vibration emission	3.7 m/s²
Engine displacement	28.4 cm³
Sound pressure level	96 dB
Cutting diameter (max)	- mm
Power source	Gasoline

Weight and Dimensions

Length	1800 mm
Weight	5500 g