Stihl MS 441 User Manual

135MS 441, MS 441 C
15.7.2 Summary of test connections and test values
– The wires in the rear handle
must be unplugged to test the
individual components
separately.
1)
Pull wire out for this purpose
Component Ohmmeter connection
(either test lead can be
used)
Resistance in ohm If faulty
Lead 1 Lead 2 Required Actual Cause Remedy
Switch Switch
connection
1)
Switch
housing
<0.5 – Switch faulty Replace switch
Socket terminal Socket
terminal
Ground 0 > 1.0 Poor ground
connection
Replace ground
wire
Heating element
in rear handle
Connector
to lead
from
heating
element
Connector
to lead
from
heating
element
1.6 1.5– 2.0 Heating element OK
– Break in wire, heating
element damaged
Replace heating
element and repair
insulation
0 Short circuit due to
damaged insulation
Heating element in
front handle
Connector
to lead
from front
handle
heating
element
Connector
to lead
from front
handle
heating
element
6.4 6.0...8.0 Heating element OK
– Break in wire, heating
element damaged
Replace front
handle
0 Short circuit due to
damaged insulation
Repair insulation

Stihl MS 441 Specifications

General

Displacement	70.7 cc
Weight	6.6 kg
Fuel Capacity	0.78 L
Chain Oil Capacity	0.36 l
Oil Capacity	0.36 l
Oil tank volume	0.36 l
Chain pitch	3/8"