Stihl MS 441

131MS 441, MS 441 C
– Remove handle moulding,
b 12.2.
: Slide insulating tubes (1) towards
wiring harness and disconnect
plug connections.
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1
1
– Take heating element out of
handle moulding.
: Examine heating element,
replace if necessary.
If the heating element is OK, the
ohmmeter will indicate a reading
100
50
30
20
10
5
0
20
10
5
219RA578 TG
of about 2 ohm in the measuring
range "Ω".
The heating element must be
replaced if the value is outside this
range.
If the heating element does not work
despite a resistance being
measured:
– Test generator and heating
switch, b 15.3.
– Reassemble in the reverse
sequence.
The heating element in the front
handle cannot be replaced. The
complete front handle must be
replaced if the heating element is
faulty.
– Remove front handle, b 11.5.1.
– Clear connecting leads,
b 11.5.1
: Clip measuring instrument onto
the two round connectors.
If the heating element is OK, the
ohmmeter will indicate a reading of
100
50
30
20
10
5
20
0
219RA580 TG
about 7 ohm in the measuring
range "Ω".
The heating element must be
replaced if the value is outside this
range.
If the heating element does not work
despite a resistance being
measured:
– Test generator and heating
switch, b 15.3.
– Reassemble in the reverse
sequence.
– Remove ignition module,
b 9.1.1.
– Remove flywheel, b 9.5.
: Detach plug connection (1) and
wiring from guides (arrows).
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1
: Slide insulating tube (1) towards
wiring harness and disconnect
plug connection.
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1
: Take out screws (arrows).
– Remove generator (1).
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1
15.5 Heating element in
handle, removal and
installation
15.6 Heating element
in front handle, removal
and installation
15.7 Generator,
removal and installation