Stihl FS 311, Instruction Manual, Page: 18 / 40

► Rotate shaft or cutting attachment until the
stop pin slips into position and blocks the
shaft.
7.7 Mounting the Cutting Attach‐
ment
WARNING
Use a deflector that matches the cutting attach‐
ment – see "Mounting the Deflector".
7.8 Fitting the mowing head with
screw mounting
Keep the supplement sheet for the mowing head
in a safe place.
1
002BA385 KN
► Fit the thrust plate
► Turn the mowing head anticlockwise on the
shaft (1) as far as it will go
► Retain the shaft
► Tighten the mowing head
NOTICE
Remove the tool that was used to block the
shaft.
7.9 Removing the Mowing Head
► Retain the shaft
► Turn the mowing head clockwise
7.10 Removing and Installing Metal
Cutting Attachments
Keep the leaflet and packaging of the metal cut‐
ting 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.
7.11 Mounting Grass Cutting
Blades, Brush Knife
Notice on new machines that come standard with
a mowing head only: A "metal mowing attach‐
ment 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
4
681BA133 KN
1
2
5
3
Cutting attachments 1, 4 and 5 may be mounted
either way round – they must be turned over reg‐
ularly to help avoid one-sided wear.
The cutting edges of cutting attachments 2 and 3
must point clockwise.
► Use guard ring for mowing attachments.
English 7 Mounting the Cutting Attachment
18 0458-433-0121-B