Short Circuit Wire; Testing (Ms 200, Ms 200 T) - Stihl MS 200 Service Manual

1
: Screw the puller (1) 1116 893
0800 clockwise on to the
crankshaft as far as stop, then
back it off a 1/4 turn.
– Tap the end of the puller to
release the flywheel.
The flywheel and magnet poles
(arrows) must not be damaged or
have turned blue. Replace flywheel
if necessary.
The flywheel and crankshaft stub
must be free from grease before
assembly.
Degrease the crankshaft stub and
bore in flywheel with a standard
solvent-based degreasant
containing no chlorinated or
halogenated hydrocarbons.
MS 200, MS 200 T
: Check the key (arrow) and
replace if necessary
– Make sure the key is properly
seated.
: Make sure the key engages the
slot (arrow) in the flywheel.
– Set the air gap between the
ignition module and flywheel,
b 9.2.1
– Reassemble all other parts in the
reverse sequence.
– Tightening torques, b 3.5
9.5

Short Circuit Wire

9.5.1 Testing (MS 200,
MS 200 T)
1
If the spark plug, ignition lead and
spark plug boot are in order, check
the short circuit wire.
On the MS 200, this test is
performed on the short circuit wire
and wiring harness. If a fault is
found, the wiring harness must be
tested separately, b 9.5.2.
– Remove the fan housing, b 10.2
: Disconnect the short circuit wire
(1) and push back the sleeve on
the connector.
– Connect the ohmmeter to ground
(arrow) and the short circuit wire
(1).
– Set the switch shaft to "
The resistance measured must be
about 0 Ω. If it is much higher, the
reason is a break and the wire has
to be replaced, b 9.5.3.
– Set the switch shaft to "F".
The resistance measured must be
infinitely high. If not, fit a new short
circuit wire,
b 9.5.3.
– If no fault can be found, check the
ignition system with the aid of the
troubleshooting chart, b 9.6
0
".
51