60 MS 441, MS 441 C
: Press ignition lead (1) into rubber
buffer and cable guides (arrow).
– Press boot onto spark plug.
– Reassemble all other parts in the
reverse sequence.
219RA369 TG
1
2
The ignition timing is fixed and
cannot be adjusted.
Since there is no mechanical wear
in these systems, the ignition timing
cannot become maladjusted during
operation.
To test the ignition module, use
either the ZAT 4 ignition system
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 system
tester 5910 850 4503
– 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 input
terminal (1). Push the tester's
output terminal (3) onto the spark
plug.
Beware of electric shocks due to the
high voltage.
: Crank engine quickly with rewind
starter and check the spark in the
tester's window (2).
9.2 Ignition timing 9.3 Testing the ignition
module
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