45
MS 171, MS 181, MS 211
9.6
Short Circuit Wire
9.6.1
Testing
If the spark plug, ignition lead and
spark plug boot are in order, check
the short circuit wire.
– Remove the shroud,
b
8.4
– Remove the fan housing,
b
10.1
and
b
10.2
:
Disconnect short circuit wire (1).
– Connect the ohmmeter to ground
(arrow) and the short circuit (1).
– Set the Master Control lever to
“
0
”.
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
9.6.2
– Set the Master Control lever “
#
“.
The resistance measured must be
infinitely high. If not, fit a new short
circuit wire,
b
9.6.2
If no fault can be found, check the
ignition system with the aid of the
troubleshooting chart,
b
9.7
– Check ground wire for continuity.
– Install in the reverse sequence.
533RA161 TG
1
9.6.2
Removing and Installing
The short circuit and ground wires
are combined in a wiring harness. If
damaged, the complete wiring
harness must be replaced.
When cleaning the machine, take
care not to disconnect wires.
– Remove the shroud,
b
8.4
– Remove the fan housing,
b
10.1
and
b
10.2
– Remove the carburetor,
b
14.3
:
Pull off the spark plug boot (1).
:
Pull the ignition lead out of the
retainer (arrow).
:
Take out the screw and remove
the ground wire (2).
533RA162 TG
1
533RA163 TG
1
2
:
Disconnect short circuit wire (1).
– Pull the short circuit and ground
wires out of the retainer (arrow).
:
Remove the wiring harness (1)
from the guide (arrow) – do not
move the cable tie.
– Remove the carburetor carrier,
b
14.7.1
– Pull the short circuit and ground
wires out of the guides (arrows).
:
Disconnect connectors of short
circuit wire (1) and ground wire
(2).
– Remove the wiring harness.
533RA164 TG
1
533RA165 TG
1
2
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