Stihl FS 490 C-M Instruction Manual page 22

English
Guard ring for mowing applications
1
2
3
Always fit guard ring (1) when using
mowing heads
–
grass cutting blades
–
brush knives
–
shredder blades
–
to ensure optimum protection against
grass cuttings.
Guard ring for sawing applications
2
4
Fit guard ring (4) only when you use
circular saw blades.
20
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
5
mowing heads
–
grass cutting blades
–
brush knives
–
shredder blades
–
to the gearbox. The guard washer is not
required for mounting circular saw
blades.
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:
FS 360 C-M, FS 410 C-M, FS 460 C-M, FS 490 C-M
2
1