20.2
Fleece filter
For dry and very dusty work areas.
21 Cleaning the Air Filter
21.1
If there is a noticeable loss of
engine power
21.1.1
Removing the carburetor box cover
► Move the Master Control lever to stop posi‐
tion (0).
1
213BA009 KN
2
► Loosen the twist lock (1) in the direction of the
arrow.
► Remove the carburetor box cover (2).
21.1.2
Removing the air filter
► Clean away loose dirt from around the filter.
NOTICE
To avoid damaging the filter, do not use tools for
removing and installing the air filter.
► Remove the filter.
21.1.3
Cleaning the air filter
► Knock the filter out on the palm of your hand
or blow it clear with compressed air from the
inside outwards.
If filter is caked with dirt:
► Wash the filter in STIHL special cleaner (spe‐
cial accessory) or a clean, non-flammable sol‐
ution (e.g. warm soapy water) and then dry.
NOTICE
Do not use a brush to clean the fleece filter.
► Always replace damaged filters.
21.1.4
Installing the air filter
► Place the filter (3) in position (arrows).
► Fit the carburetor box cover.
22 Adjusting the Carburetor
22.1
General Information
The carburetor comes from the factory with a
standard setting.
This setting provides an optimum fuel-air mixture
under most operating conditions.
With this carburetor it is only possible to correct
the adjusting screws within fine limits.
22.2
Standard Setting
► Shut off the engine.
► Check the air filter and clean or replace if nec‐
essary.
► Check the spark arresting screen (not in all
models, country-specific) in the muffler and
clean or replace if necessary.
213BA015 KN
H
L
L
H
► Turn high speed screw (H) counterclockwise
as far as stop (no more than 3/4 turn).
► Turn the low speed screw (L) clockwise as far
as stop, then turn it back a 1/4 turn.
22.3
Adjusting Idle Speed
► Carry out the standard setting.
► Start and warm up the engine.
22.3.1
Engine stops while idling
► Set the low speed screw (L) to 1/4 turn open.
English
21 Cleaning the Air Filter
28
0458-212-0121-C
Summary of Contents for MS 361
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