Stihl FS 311 Instruction Manual page 25

Mounting the Thrust Plate and Guard
Washer
2
1
3
4
Fit the thrust plate (1) and guard
N
washer (2) on the shaft (3).
NOTICE
The thrust plate (1) on the gearbox is
necessary for mounting all cutting
attachments.
NOTICE
The guard washer (2) is required for
mounting
mowing heads
–
grass cutting blades
–
brush knives
–
shredder blades
–
to the gearbox. The guard washer is not
required for mounting circular saw
blades.
FS 311
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:
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".
English
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2
3
2
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