Operation Manual

55MS 241 C
While using the ZAT 3, hold it only
by the handle (4) or position it in a
safe place. Keep fingers or other
parts of your body at least 1 cm
away from the spark window (3),
high-voltage connection (2), ground
connection (5) and the ground
terminal (1).
Danger! High voltage – risk of
electrocution.
– Crank the engine quickly with the
rewind starter and check
sparkover in the window (3) of
the ignition system tester
The engine may start and
accelerate during the test.
If a spark is visible in the
window (3), the ignition system is in
order.
– If no spark is visible in the
window (3), check the ignition
system with the aid of the
troubleshooting chart, b 7.8
7.5 Spark plug boot
– Remove shroud, b 6.4
– Unplug spark plug boot and pull
ignition lead out of the guides,
b 7.3
165RA185 TG
1
2
3 4
5
: Use suitable pliers to pull the
torsion spring out of the spark
plug boot
– Unhook the torsion spring from
the ignition lead
– Pull the boot off the ignition lead
– Check ignition lead, replace if
necessary, b 7.5.1
Installation
– With a new ignition module, use a
pointed tool to pierce the center
of the new lead's insulation
approx. 13 mm from the end of
the ignition lead
: Pinch the hook of the torsion
spring into the center of the
ignition lead (arrow) where it has
been pierced
2310RA127 TG
165RA188 TG
– Apply STIHL press fluid to the
inside of the spark plug boot,
b 16
: Push the ignition lead and torsion
spring into the spark plug boot
: Ensure that the torsion
spring (arrow) is located in the
recess
– Plug spark plug boot onto spark
plug and press ignition lead
completely into the guide, b 7.3
Ignition lead and spark plug boot
must not touch the air guide shroud.
– Reassemble remaining parts in
reverse order
2310RA128 TG2310RA129 TG