Contact Spring; Replacing Wiring Harness - Stihl MS 290 Manual

7.4

Contact Spring

1
2
– Remove the switch shaft, b 9.4
: Take the short circuit wire (1) out
of the guide (arrows) and pull it
off the contact spring (2).
: Ease the contact spring forwards
and carefully pry it sideways out
of the housing.
Install in the reverse sequence.
1
: When fitting, make sure the
contact spring is under the guide
pin (1) and locates in the housing
recess (arrows).
MS 290, MS 310, MS 390
7.5 Replacing Wiring
Harness
1
2
– Remove the handle housing,
b 9.2
– Remove the flywheel, b 7.3
– Remove the ignition module,
b 7.1.2
– Remove the shroud, b 6.4
: Take out the screw (1).
: Pull the ground wire (2) out of the
retainer (arrow) and remove it.
1
: Pull the wire (1) out of the
retainer (arrow).
: Pull the wiring harness (1) out of
the retainer (arrows) in the
engine housing.
2
: Pull the wiring harness (1) out of
the grommet (2).
– Inspect the wiring harness and
ignition lead for signs of damage
and replace if necessary.
Install in the reverse sequence.
1
1
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