Stihl MS 261 C

137MS 261, MS 261 C
: Reading between terminal
socket (1) and heater switch
connector sleeve approx. 1 Ω
= generator wire.
: Reading between terminal
socket (2) and heater switch
connector sleeve approx. 6.4 Ω
= wire to handlebar heating
element.
If the heating element is in good
condition the ohmmeter will indicate
a value of about 6.4 Ω in
measuring range "Ω".
If the reading is outside this range,
install a new handlebar with heating
element,
b
9.6.1.
Heating element does not operate
even though resistance
measurement is ok?
– Test the generator and heater
switch,
b
13.3
– Reassemble in the reverse
sequence.
100
50
30
20
20
10
5
1
2
5902RA572 TG
2
1
13.7 Generator
– Remove the ignition module,
b
b
7.3
– Remove the flywheel,
b
7.6
: Pull the connector (2) and
wire (1) out of the
guides (arrows).
: Push back the insulating tube (1)
in the direction of the wiring
harness and separate the pin and
socket connector.
: Take out the screws (1).
: Remove the generator (2).
5902RA547 TG
1
2
5902RA548 TG
1
5902RA599 TG
1
1
2
: Inspect the generator and
poles (arrow) for cracks or other
damage. If damage is found,
replace the generator.
: Inspect the magnet ring (arrow)
in the flywheel for cracks or other
damage. If damage is found,
replace the flywheel.
0001RA448 TG0001RA449 TG