Ignition System Troubleshooting - Stihl BT 130 Manual

8.5

Ignition System Troubleshooting

BT 130
Engine does not run
Slide control for stop function:
– Slide control not in
"STOP-0" position?
Check the spark plug:
– Smeared with oil, black?
– Sooted?
– Electrode gap correct?
– Contacts shorted?
– Clean, readjust or replace the spark plug
Check the spark plug boot:
– Firmly seated on plug (leg spring)?
– Leg spring hook in center of ignition lead?
– Boot damaged?
– If necessary, install new spark plug boot and/
or leg spring
Test ignition system:
with ZAT 3 or ZAT 4
(use ZAT 3 as main spark gap
see TI 32.1994)
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