Heater Switch - Stihl MS 661 Manual

14.4

Heater Switch

– Remove the filter base, b 13.3
– Push out the grommet and
remove the carburetor, b 13.4
3
2
: Disconnect ground wire flag
terminal (1).
: Take off the cable retainer (2)
and pull connector of wire (3) out
of the heater switch (4).
3 2 1
: Remove the nut (1) and
washer (2).
: Push heater switch (3) with
multiple tab inwards and out.
122
2
1
: Remove the multiple tab (1) from
the heater switch (2), inspect
4
components and replace if
necessary.
– Check the ground wire, replace if
necessary
Installing
2
: Slide the multiple tab (1) onto the
heater switch (2) so that the
nib (3) engages the slot.
2
1
: To ensure the switch position is
correct, slide the heater
switch (1) with multiple tab (2)
into the tank housing bore so that
the nib (3) engages the recess
(arrow).
1
: Fit the washer (1), screw on the
nut (2) and tighten it down firmly.
3
: Connect the flag terminal (1) of
ground wire (2) to multiple tab (3)
– crimped side facing manifold.
: Push the ground wire (2) into the
1
guides (arrows) – loop (4) allows
for movement.
– Check operation
– Install carburetor and press
grommet into openings, b 13.4
– Reassemble all other parts in the
reverse sequence.
3
1 2
2
4
1
3
MS 661, MS 661 C-M