Stihl TS 420 Manual page 53

2
1
: Push the rubber cuff (1) off the
ignition module (3).
: Unscrew the ignition module (3)
from the ignition lead (2).
– Examine the ignition module and
ignition lead, replace if
necessary.
– Examine the spark plug boot,
replace if necessary, b 8.4.
– Troubleshooting, b 4.4.
: Position the ignition module (1)
and insert the screw (arrow), but
do not tighten it down yet.
52
1
3
: Position the connector tag (1) so
that the tab (arrow) makes
contact and insert the screw, but
do not tighten it down yet.
1
– Push the ignition module (1) back
so that the flywheel runs freely.
: Turn the flywheel until the
magnet poles (arrows) are on the
1
ignition module.
1
: Slide the setting gauge (1)
1127 890 6400 between the
arms of the ignition module and
the magnet pole of the flywheel.
– Press the ignition module against
the setting gauge.
– Tighten down the screws.
– Tightening torques, b 3.5.
– Remove the setting gauge.
– Turn the flywheel to check correct
functioning: it must not touch the
ignition module.
1
: Reconnect the short circuit wire
and ground wire (1) and fit the
wiring harness in the retainers
(arrows).
TS 410, TS 420