25
MS 460, MS 460 C
:
Inspect spark arresting screen (1)
(if fitted). If necessary, bend back
the retaining tabs (2) and pull out
the screen (not on MS 460
Magnum).
– Clean or replace the spark
arresting screen if necessary.
VA
176RA009
1
2
On MS 460 Magnum, perform the
two following steps to clean the
spark arresting screen.
MS 460 Magnum only
:
Take out the screws (1).
– Remove the cover plate (2).
VA
176RA059
1
2
:
Remove the spark arresting
screen (arrow).
– Clean the spark arresting screen
or fit a new one if necessary.
VA
176RA060
Catalytic converter machines
only
:
If there are signs of cracks in the
honeycomb core (1), or if the
steel jacket is damaged, the
catalytic converter must be
replaced to avoid the risk of
VA
176RA324
1
engine damage.
:
Inspect the heat reflecting foil and
replace if necessary,
b
6.7.2
VA
176RA061
:
Place heat shield (1) in position.
:
Install a new gasket (2) so that its
bead (3) points outward.
– Coat threads of screws with
Loctite,
b
16.
VA
176RA008
2
1
3
– Tighten down the screws firmly –
b
3.5
Note different sizes of mounting
screws when fitting top casing:
Lower mounting screws are M6x20
and the upper mounting are M5x6.