Safety Manual

MS 251, MS 251 C
English
45
Remove shroud
N Move the Master Control Lever to
the stop position 0
N Push the front hand guard forwards
– the saw chain is blocked
N Loosen screws (1)
N Remove the shroud (2)
Refitting the shroud
N Refit the shroud and tighten the
screws
The air filter system can be adapted to
suit different operating conditions by
installing different filters. Changing the
filter is quick and simple.
Fleece filter
N Fleece filter for normal operating
conditions and dry work areas.
HD2 filter
N HD2 filter (black filter frame, pleated
filter material) for extreme wintry
conditions (e.g. powder or drifting
snow) or very dusty work areas.
If there is a noticeable loss of engine
power.
N Remove the shroud – see "Shroud".
Removing the air filter
N 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.
N Rotate the air filter a 1/4 turn
counterclockwise and lift it away in
the direction of the rear handle.
N Always replace a damaged filter.
Cleaning the air filter (fleece filter)
N Knock out the filter or blow it clear
with compressed air from the inside
outwards.
If knocking it out or blowing it clear is not
sufficient to remove stubborn dirt, or if
the filter fabric is sticky, perform the
following steps:
Shroud
1
1
1
2710BA003 KN
2
Air Filter System
5902BA009 KN
5902BA008 KN
Cleaning the Air Filter
1.
2710BA000 KN
2.