MS 170, MS 170 C, MS 180, MS 180 C
English
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Removing the shroud
N Use a suitable tool to open the catch
by turning it 90° to the left
N Lift off the shroud
Refitting the shroud
Install parts in reverse order.
If there is a noticeable loss of engine
power
N Simultaneously press the throttle
trigger lockout and throttle trigger
and set the Master Control lever to
cold start l
N Clean away loose dirt from around
the filter
N Remove the shroud – see "Shroud"
N Pull the filter upwards to remove
N Knock out the filter or blow it clear
with compressed air from the inside
outwards - do not wash
Do not clean fleece filters with a brush!
If the filter cannot be cleaned or is
damaged, replace the filter
N Reinstall air filter
Basic information
The carburetor has been factory-
adjusted to provide the engine with a
optimal fuel-air mixture in all operating
states.
Standard setting
N Check the air filter - replace if
necessary
N Check spark arresting screen –
clean or replace it if necessary
N Carefully screw the idle speed
screw (LD) down counterclockwise
(left-hand thread) until it is firmly
seated, then 2 turns clockwise
(standard setting LD = 2)
Setting the idle speed
N Start and warm up the engine
N Using the idle speed screw (LD), set
the idle speed correctly: The saw
chain must not rotate
Engine speed too low when idling:
Shroud
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