Stihl MS 441 Manual page 71

70
1
Powerful
spark?
Air gap:
– Check ignition module / flywheel,
– Adjust if necessary, b 9.1.1
Check flywheel:
– Have pole shoes turned blue?
– Replace flywheel if necessary,
b 9.5
Check short circuit wire:
– Insulation of plug connection
– Connector seated securely
– Replace short circuit wire if necessary,
b 9.6.1
Check ignition lead:
– Lead severely chafed?
–Spark plug boot: holes / cracks?
– Resistance of spark plug boot to ground:
required 1,5...12 kohm
– Measure resistance of ignition lead,
required value < 10 ohm,
– Replace spark plug boot and/or ignition lead
with ignition module if necessary,
b 9.4
2
no
yes
3
MS 441, MS 441 C