Stihl FS 311 User Manual

FS 311
English
24
Fitting the mowing head with screw
mounting
Keep the supplement sheet for the
mowing head in a safe place.
N Fit the thrust plate
N Turn the mowing head
anticlockwise on the shaft (1) as far
as it will go
N Retain the shaft
N Tighten the mowing head
NOTICE
Remove the tool that was used to block
the shaft.
Removing the Mowing Head
N Retain the shaft
N Turn the mowing head clockwise
Removing and Installing Metal Cutting
Attachments
Keep the leaflet and packaging of the
metal cutting attachment in a safe place.
WARNING
Wear protective gloves to reduce the
risk of direct contact with the sharp
cutting edges.
Mount only one metal cutting
attachment.
Mounting Grass Cutting Blades, Brush
Knife
Notice on new machines that come
standard with a mowing head only: A
"metal mowing attachment mounting kit"
is required to mount a grass cutting
blade or brush knife. Kits are available
from your servicing dealer.
Check direction of rotation of cutting
attachment
The cutting edges of the cutting
attachments 1 and 2 must point
clockwise.
Cutting attachments 3 and 4 may be
mounted either way round – they must
be turned over regularly to help avoid
one-sided wear.
N Use guard ring for mowing
attachments.
1
002BA385 KN
0000-GXX-0421-A0
1 2
3
4

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