46 MS 231, MS 231 C, MS 251, MS 251 C
: Pull the short circuit wire (1) and
ground wire (2) out of the
guides (arrows) and remove the
retainer (3).
– Check ignition lead, replace
ignition module if necessary
– Check the spark plug boot and
replace if necessary, b 7.5
– Troubleshooting, b 3.5
Installing
: Position the retainer (1) against
the cylinder and attach its pegs to
the bosses.
2310RA117 TG
1
2
3
2310RA118 TG
1
: Hold the retainer (1) against the
cylinder and place the ignition
module (2) in position.
: Fit the screw (3) with washer – do
not tighten down yet.
The crimped side of the ground wire
terminal must face the screw head.
: Fit the ground wire (1) so that the
terminal butts against the
stop (arrow) and its crimped side
faces the screw head.
: Fit the screw (2) with washer – do
not tighten down yet.
2310RA119 TG
1
2
3
2310RA120 TG
1
2
: Push the ignition module back
and slide the setting gauge (1)
1111 890 6400 between the
arms of the ignition module and
the flywheel magnet poles.
The setting gauge is not shown in
the illustration.
– The flywheel must turn freely.
: Rotate the flywheel until the
magnet poles (arrows) are next
to the ignition module (1).
: Press the ignition module (1)
against the setting gauge and
tighten down the screws (2)
firmly – the ground wire terminal
must butt against the stop.
– Remove the setting gauge.
– Check operation
– Rotate the flywheel and make
sure it does not touch the ignition
module.
2310RA121 TG
1
S
N
2310RA122 TG
1
2
2
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