Stihl FS 240 Service Manual page 57

1
Powerful spark?
yes
no
Air gap:
– Check ignition module / flywheel,
– Adjust if necessary, b 6.2
Check flywheel:
– Have pole shoes turned blue?
– Replace flywheel if necessary,
b 6.5
Check short circuit wire:
– Wire damaged?
– Plug connections firmly seated?
– Check continuity, replace switch if
necessary, b 6.6.1
Check ignition lead:
– Severe chafing?
– Spark plug boot: Holes / cracks?
– Resistance of spark plug boot to ground:
Required 1.5...12 kΩ
– Check resistance of spark plug lead to
ground, (spark plug boot and ignition module
have been removed)
Value: Required < 10 Ω,
Replace spark plug boot and/or ignition module
if necessary,
b 6.4
2
3
56 FS 240 C, FS 260 C, FS 360 C, FS 410 C, FS 460 C-M