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FS 400, FS 450
English
29
NOTICE
After returning from high altitude, reset
the carburetor to the standard setting.
If the setting is too lean there is a risk of
engine damage due to insufficient
lubrication and overheating.
Mount the "Intake Air Preheating Kit"
4128 007 1001 (special accessory) to
reduce the risk of air filter and carburetor
icing.
At temperatures below +10°C, in
powdery or drifting snow
N
Remove the standard air filter (1)
and install the special filter (2) for
winter operation.
N
Push the cover (3) up against the
underside of the filter cover. This is
the winter position.
At temperatures above +10°C
N
Remove the special air filter (2) for
winter operation and install the
standard filter (1) in its place.
N
Push the cover (3) into the summer
position.
Winter Operation
256BA047 KN
3
1
2
256BA048 KN
1
2
3
Summary of Contents for FS 400
Page 1: ...STIHL FS 400 450 Instruction Manual...
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Page 45: ...FS 400 FS 450 English 43...
Page 46: ...FS 400 FS 450 English 44...
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