Stihl MS 341 Shop Manual page 56

7.3 Testing Wiring Harness
1
If the spark plug and ignition lead
with spark plug boot are in order,
check the resistance of the short
circuit wire, ground wire and contact
spring.
– Remove the fan housing with
rewind starter – b 8.2
: Pull the short circuit wire (1) off
the tag on the ignition module.
– Connect the ohmmeter to ground
and the short circuit wire.
– Set Master Control lever to " $ "
The resistance measured must be
about 0 W. If it is much higher, the
reason is a break in the wire. The
wire or contact spring has to be
replaced.
– Set Master Control lever to " # "
The resistance measured must be
infinitely high. If not, fit a new short
circuit wire.
If no fault can be found, carry out
further checks:
– Examine flywheel for damage –
b 7.1.5
– Check air gap between flywheel
and ignition module – b 7.1.2
MS 341, MS 361, MS 361 C
It neither of these checks reveals a
fault, install a new ignition module –
b 7.1.2
Reassemble in the reverse
sequence.
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