Stihl 064

STIHL 064, 066 49
5.1.3 Short Circuit Wire/
Ground Wire
Top:
Using hook 5910 890 2800 to pull short
circuit wire through the carburetor box
Bottom:
Insulating tube in both retainers on
crankcase Short circuit wire on ignition
Removing contact sleeve 1 = Lateral grommet module's connector tag
If the insulation of the short circuit wire is
damaged it can cause a short circuit to
ground and upset or completely interrupt
ignition.
To following parts must be removed to
replace the short circuit and ground wires:
- Fan housing
- Carburetor box cover
- Air filter with filter base
- Spark plug terminal
- Shroud - Carburetor.
To replace the short circuit wire: - Use assembly hook to pull the
short circuit wire through the
- Move Master Control to "Choke". carburetor box in the direction
of the grommet.
- Use a small screwdriver to ease
the contact sleeve of the short - Use a blunt tool to push the
circuit wire out of its seat in the grommet out of the carburetor
switch shaft. box in the direction of the cylinder.
- Cut off the contact sleeve. - Use a screwdriver to push the
grommet in the crankcase wall
inwards and take it away.
- Remove insulating tube with
wires from the two retainers on
the crankcase.
- Pull the short circuit wire off the
connector tag on the ignition module
and pull it through the grommet and
insulating tube.
- To install new short circuit wire:
- Thread the short circuit wire through
the insulating tube and grommet.
- Press the grommet into the tank
housing.
- Connect short circuit wire to the tag
on the ignition module.
- Use the assembly hook to pull
the short circuit wire through the
carburetor box.