Stihl MS 440 - Heater Switch; Heating Element in Front Handle

86 MS 440, MS 440 C
– Remove carburetor – b 12.2.1
: Pull the connecting lead out of its
mount (1).
: Slide the rubber grommet (2)
back slightly.
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: Pull the contact sleeve of the
connecting lead out of the heater
switch.
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: Unscrew the nut (arrow) on the
heater switch.
– Remove the washer.
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: Pull the heater switch (1) out to
the inside.
: Place a new heater switch in the
cable lug (2) of the ground wire.
– Insert the heater switch in the
hole.
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– Slip the washer into place.
– Screw on the nut and tighten it
down.
– Push the contact sleeve of the
connecting lead into the switch.
– Slip the rubber grommet over the
connection.
– Press the connecting lead into
the mount.
– Install the carburetor – b 12.2.1
– Remove the interlock lever –
b 10.2
: Pull the protective tubing (1) off
both plug connections.
: Unplug the leads to the handle
heating.
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14.2 Heater switch 14.3 Heating element in front
handle