Stihl FS 311 Instruction Manual page 24

English
Checking the Thrust Plate
2
1
The thrust plate consists of the thrust
plate body (1) to which a captive guard
washer (2) is fitted.
WARNING
Never use a thrust plate without the
guard washer. Always replace a thrust
plate if the guard washer is missing.
Cleaning Gearbox Mounting Hardware
for Cutting Attachment
2
1
3
4
NOTICE
Check inside of guard ring (4) and area
around it for dirt at regular intervals, or
when you change the cutting
attachment, and clean if necessary as
follows:
22
Pull the guard washer (1) and thrust
N
plate (2) off the shaft.
Thoroughly clean the guard ring,
N
2
shaft, thrust plate and guard washer
– do not remove the guard ring.
Blocking the Shaft
1
The output shaft (1) must be blocked
with the stop pin (2) to mount or remove
cutting attachments. The stop pin is
included with the machine and is
available as a special accessory.
Insert the stop pin (2) in the bore (3)
N
in the gearbox as far as stop, apply
slight pressure.
Rotate shaft or cutting attachment
N
until the stop pin slips into position
and blocks the shaft.
Mounting the Cutting Attachment
WARNING
Use a deflector that matches the cutting
attachment – see "Mounting the
Deflector".
1
2
3
2
Fitting Mowing Head with Screw
Mounting
Keep the instruction leaflet for the
mowing head in a safe place.
1
Screw the mowing head
N
counterclockwise on to the shaft (1)
as far as stop.
Block the shaft.
N
Tighten down the mowing head
N
firmly.
NOTICE
Remove the tool used to block the shaft.
Removing the Mowing Head
Block the shaft.
N
Unscrew the mowing head
N
clockwise.
FS 311