Stihl FS 510 C Instruction Manual page 25

Rider plates, guard ring and nut
A
Approximately 80 mm (3.2 in)
–
diameter (A) rider plate (1) for
grass cutting blades
Approximately 63 mm (2.5 in)
–
diameter (A) rider plate (2) for
circular saw blades
4
3
Guard ring (3) for brush knives and
–
shredder blades.
Both these parts have the same
function:
Nut (4) and thread on shaft are
–
protected against wear.
Ground contact with metal cutting
–
attachment is minimized.
Rider plate allows cutting
–
attachment to glide along close to
ground.
FS 510 C, FS 560 C
WARNING
Always replace a worn rider plate and
guard ring in good time.
Nut and combination wrench
A
Metal cutting attachments are mounted
to the gearbox with the nut (4).
Loosen and tighten the nut (4) with
N
the combination wrench (5).
WARNING
If the mounting nut has become too
loose, fit a new one.
Cleaning the Gearbox and Cutting
Attachment Mounting Hardware
Clean the gearbox, the area surrounding
it, inside the grass shield and the cutting
attachment mounting hardware at
regular intervals. Also check for
contamination when changing the
cutting attachment and clean thoroughly
if necessary.
Remove all cutting attachment
N
mounting hardware from the
gearbox for this purpose.
Fitting the Thrust Plate
5
Slip the thrust plate (1) over the
N
shaft (2).
4
Block the shaft.
2
1
3
The shaft (2) must be blocked to install
and remove cutting attachments.
The shaft (2) can be blocked only if the
thrust plate (1) is properly fitted – the
stop pin (3) has to engage the thrust
plate.
Insert the stop pin (3) in the bore in
N
the gearbox – apply slight pressure.
Rotate shaft or cutting attachment
N
until the stop pin slips into position
and blocks the shaft.
The stop pin is held in position in the
gearbox by a rubber element.
English
1
2
23