Stihl MS 341 Shop Manual page 90

2
1
: Remove the wires from the
retainers (arrows).
: Push back the insulating tubes
(1 + 2) and disconnect the pin
and socket connectors.
1
Thermostatic switch
: Clip one test lead to the heating
plate (1), and the other test lead
to the wire that goes to the
thermostatic switch.
At temperatures above + 20 °C
(68 °F), the ohmmeter must indicate
an infinitely high value in measuring
range "W".
Cool the switch down to below
+ 6 °C (42 °F). The ohmmeter must
indicate a value of about 0.5 W in
measuring range "W". If a higher
value is indicated, install a new
heating plate.
MS 341, MS 361, MS 361 C
Heating element
– Remove the heating plate.
: Clip one test lead to the heating
plate (1), and the other test lead
to the wire that goes to the
heating element.
If the heating element is in good
condition the ohmmeter will show a
reading of about 8 W in measuring
range "W".
If the reading obtained is outside
this tolerance, install a new heating
element.
Reassemble in the reverse
sequence.
Make sure the pin and socket
connector is straight.
89