Winter Operation - Stihl MS 441 C-MQ Instruction Manual

English

Winter Operation

Pre-heat carburetor at temperatures
under +50 °F (10 °C)
1
loosen screw (1) using the
N
combination wrench or a
screwdriver - open at least one turn
turn slide (2) from the s position
N
(summer operation) to the r
position (winter operation) – the
slide must engage audibly
Tighten screw
N
Now the carburetor is pre-heated by the
preheater plate – this helps prevent
carburetor icing.
36
At temperatures above +70 °F
N
(+20 °C): always return the slide to
the summer position –
NOTICE
otherwise risk of engine malfunction due
to overheating!
If engine trouble occurs, first return the
slide from winter to summer position.
Air filter system
Retrofit new air filter if necessary –
N
see "Air filter system"
At temperatures below +14 °F (-10 °C)
Under extreme winter conditions
(temperatures below -10 °C, powdered
or drifting snow), it is recommended to
use the "cover plate mounting kit"
(special accessory). The mounting kit
keeps out powdered or drifting snow.
if the chain saw is extremely cold
N
(frost formation) – after starting,
bring the engine up to operating
temperature at medium speed
(disengage chain brake!)
Mounting the cover plate (special
accessory)
Insert cover plate (1) with both tabs
N
(arrows) and fasten with screws (2)
When the mounting kit is used, the slide
must be in the winter position.
If engine trouble occurs, first check
whether use of the cover plate is
necessary.
MS 441 C-MQ