Stihl MS 461 - Test Connections and Test Values

104 MS 461, MS 461-R
13.8.2 Test Connections and Test Values
– The pin and socket connections
must be disconnected to test the
individual electrical components.
1)
Pull out wire for this purpose
Component Ohmmeter
connection (use either test
lead)
Resistance Ω If faulty
Lead 1 Lead 2 Spec. Actual Cause Remedy
Switch Switch
terminal
1)
Switch
housing
< 0.5 - Switch faulty Replace switch
Heating element in
rear handle
Terminal
pin on wire
from
heating
element
Terminal
socket on
wire from
heating
element
1.6 1.5 - 2.0 Heating element
OK
- Break in wire,
heating element
damaged
Install new heating
element or repair
insulation
0 Short circuit –
damaged
insulation
Heating element in
handlebar
Terminal
pin on wire
from
handlebar
heating
element
Terminal
socket on
wire from
handlebar
heating
element
6.4 6.0...8.0 Heating element
OK
- Break in wire,
heating element
damaged
Install new
handlebar
0 Short circuit –
damaged
insulation
Repair insulation,
replace handlebar
if necessary