Stihl MS 240 Instruction Manual page 64

yes
Machine runs trouble-free,
no further action necessary
MS 240, MS 260, MS 260 C
2
Check operation
of switch shaft:
– Short circuit wire chafed?
– Function between contact spring and switch
shaft contact:
– Position "F" = no connection
0
– Position " " = connection
– Install new short circuit wire if necessary,
b 9.6.2
Powerful
spark?
Install new
ignition module,
b 9.2.1
Engine
runs
yes
no
no
– Look for fault in fuel system or
– Check engine for leaks
– Check position of flywheel on
3
carburetor
crankshaft,
b 8.2, b 9.5
63