Stihl 064

STIHL 064, 066 67
9.3 Heating Element in
Rear Handle
1 = Grommet
2 = Switch
3 = Twin connector tag
4 = Ring
Withdrawin
g
contact sleeve 5 = Hexa
g
on nut Plu
g
connections in rear handle
To remove the switch: Note: The two connector tags To replace the heating element,
must face forward. first remove the carburetor box
- Remove the carburetor box cover and handle molding - see
cover, air filter and filter base. - Fit the hexagon nut from outside 8.2.
and tighten in down.
- Remove the carburetor - see - Separate the plug connection of
11.4. - Use pointed nose pliers to push the handle heating system.
the contact sleeve into the switch.
- Take the two ground wire termi- - Take the pressure pad and heat-
nals off the twin connector tag. - Push the grommet over the ing element out of the handle re-
switch. cess.
- Push the grommet back a little
and use pliers to pull the wire's - Connect the two ground wires to Important: Before fitting the new
contact sleeve out of the switch. the twin connector tag. heating element, clean the surface
inside the handle so that it is free
- Unscrew the switch mounting nut Assembly is now a reversal of the from grease, dirt and moisture.
(14 mm socket wrench). disassembly sequence.
- Remove the backing paper from
- Remove the switch from inside the new heating element.
the carburetor box.
- Press the heating element firmly
- Remove the ring and twin con- and uniformly into position, taking
nector tag from the switch. special care at the corners and
along the edges.
Fit the new switch:
Important: Creases must be
- Slip the twin connector tag and avoided. If the heating element
ring over the switch's thread. is not fitted perfectly flat, heat
transfer will be interrupted and the
- Install the switch from inside the element may fail as a result of
carburetor box (tank housing). overheating. The ambient tempe-
rature during installation should
not be less than +15 °C (60 °F).
9.2 Switch