Testing The Ignition Module - Stihl MS 200 Service Manual

: Slide the setting gauge (1)
1111 890 6400 between the arms
of the ignition module and the
flywheel magnet.
– Press the ignition module against
the setting gauge.
– Tighten down the screws firmly.
– Tightening torques, b 3.5
– Remove the setting gauge.
– Check operation
– rotate the flywheel and make
sure it does not touch the ignition
module.
1
: Reconnect the short circuit wire
(1).
Make sure the connector is pushed
fully on to the tag.
– Reassemble all other parts in the
reverse sequence.
MS 200, MS 200 T
9.2.2 Testing the Ignition
Module
ZTo test the ignition module, use
either the ZAT 4 ignition system
1
tester 5910 850 4503 or the ZAT 3
ignition system tester
5910 850 4520.
The ignition test refers only to a
spark test, not to ignition timing.
Using the ZAT 4 ignition tester
5910 850 4503
2
1
– Before starting the test, install a
new spark plug in the cylinder
and tighten it down firmly.
– Tightening torques, b 3.5
: Connect spark plug boot to the
input terminal (1). Push the
tester's output terminal (3) on to
the spark plug.
High voltage – risk of electric shock.
– Crank the engine quickly with the
rewind starter and check spark in
the tester's window (2).
The engine may start and
accelerate during the test.
If a spark is visible, the ignition
system is in order.
If no spark is visible in the
window (2), check the ignition
system with the aid of the
troubleshooting chart, b 9.6
Using the ZAT 3 ignition tester
5910 850 4520
1
– Before starting the test, install a
new spark plug in the cylinder
and tighten it down firmly.
3
– Tightening torques, b 3.5
– Connect spark plug boot to the
terminal (2).
: Attach the ground terminal (1) to
the spark plug.
: Use adjusting knob (4) to set the
spark gap to about 2 mm,
see spark window (3).
2 3 4
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