Heating Element In Rear Handle - Stihl MS 661 Manual

14.5 Heating Element in Rear
Handle
– Remove the handle molding and
lockout lever, b 11.2
1
: Pull the insulating tubes (1, 2)
with pin and socket connectors
out of the guides.
1
: Push back the insulating
tubes (1) in the direction of the
connecting wires and separate
the pin and socket connectors.
: Test the heating element, replace
it if necessary.
MS 661, MS 661 C-M
If the heating elements are in good
condition the ohmmeter will indicate
a value of about 1.6 Ω(measured
value 1.5 – 2.0 Ω) in measuring
range "Ω".
If the reading is outside this range,
install a new heating element.
Heating element does not operate
even though resistance
measurement is ok?
2
– Test the generator and heater
switch, b 14.7, b 14.4
– Check connecting wires to
handlebar heating and replace if
necessary, b 14.8
Installing
1
: Position the new heating
element (1) so that it butts
against the angled edge (arrow)
and locates in rear handle's slot
(arrow) – make sure it is
completely flat.
If the heating element is not fitted
perfectly flat, heat transfer to the
handle will be interrupted and the
element may fail as a result of
overheating.
1
The connecting wires must not be
twisted.
: Connect the pins and sockets
and center the insulating
tubes (1) on the connectors.
1
1
: Push the insulating tubes (1, 2)
with connectors into the
guides (arrows).
1
2
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