Stihl 064

STIHL 064, 066 66
9.1.2 Test Connections and
Test Values
The plug and socket connections
of wires 1 to 4 must be disconnected
to test the individual components.
Ohmmeter connection
(use either test lead)
Resistance If faultyCom-
ponent
Lead 1 Lead 2 Spec. Actual
(reading)
Cause Remedy
Switch Switch
terminal
1)
Ground 0 - Switch faulty Replace
switch
approx. 0,25 Heating element OK
- Break in wire, heating
element damaged
Replace
heating element
Heating
element
in rear
handle
Connector
on wire 3
Connector
on wire 4
0,25
0 Short circuit -
damaged insulation
Repair
insulation
approx. 1,6 Heating element OK
- Break in wire, heating
element damaged
Replace
front handle
Heating
element
in front
handle
Connector
on wire 2
Ground 1,6
0 Short circuit -
damaged insulation
Repair
insulation
approx. 0.6 Generator OK
- Break in wire,
generator damaged
Replace
generator
Generator Connector
on wire 1
Ground 0.6
0 Short circuit -
damaged insulation
Repair
insulation
1)
Remove wire for this purpose