Winter Operation - Stihl MS 460 Manual De Instrucciones

Chain brake maintenance
The chain brake is subject to normal
wear. It is necessary to have it serviced
and maintained regularly by trained
personnel, such as your STIHL servicing
dealer, at the following intervals:
Full-time professional
users: every 3
months
Semi-professional
users (in agriculture
and construction): every 6
months
Hobby and
occasional users: every 12
months
MS 460, MS 460 R

Winter Operation

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2
At temperatures below +50 °F
(+10 °C) preheat carburetor as
follows:
:
Remove the carburetor box cover.
Inside the carburetor box cover:
:
Move the shutter from summer
position (1) to winter position (2).
Heated air is now drawn in from around
the cylinder and mixed with cold air –
this helps prevent carburetror icing.
:
At temperatures above +68 °F
(+20 °C):
Return shutter to summer position.
This is essential to avoid engine
running problems and overheating
Machines with HD Filter:
:
Install standard filter in place of the
HD filter.
:
Refit the carburetor box cover and
tighten down the twist lock.
English / USA
At temperatures below +14 °F
(-10 °C)
It is advisable to fit the cover plate
(special accessory) on the fan cover in
extremely cold conditions (temperatures
below +14°F (-10°C), in powder or
drifting snow).
The cover plate partially blanks off the
slots in the fan cover to help prevent
snow being sucked into the machine.
If engine idle speed is erratic or
acceleration is poor
:
Turn low speed screw (L) 1/4 turn
counterclockwise.
It is usually necessary to change the
setting of the idle speed screw (LA)
after making adjustments to the the low
speed screw (L) – see "Adjusting the
Carburetor".
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