Stihl 034 Series User Manual page 36

Pull ground wire connector
sleeve out of contact spring.
– On machines with handle or
carburetor heating, disconnect
the pin and socket connectors of
the heating systems -
Pull grommet out of tank housing.
– Slip grommet off the wires.
– Pull the boot off the spark plug
and remove the ignition lead from
its seat in the crankcase.
– Pull the insulating tube through
the cable gland in the crankcase.
36
Removing the short circuit wire:
Disconnect short circuit wire from
ignition module.
– Pull short circuit wire out of
retainer on ignition module.
– Pull the short circuit wire through
the insulating tube.
– Install in the reverse sequence.
Note:
A ground wire is installed because
the contact spring in the polymer
tank housing is not connected to
ground on the ignition module.
see 10.3.
Removing the ground wire:
Take out the screw (1) and
remove the ground wire (2).
– Pull the ground wire out through
the insulating tube.
– Install the new ground wire in the
reverse sequence. Check that
the insulating tube is properly
located in the crankcase cable
gland.
Important:
Use an ohmmeter to check correct
operation of the ground and short
circuit wires as well as the STOP
contact.
1
– Set the ohmmeter to measuring
range "Ω x 1".
Clip one of the two test leads to
the contact spring (1).
2
1
Clip the other test lead to the
ground wire terminal.
034, 036, 036 QS