Stihl 140, Repair Manual

Page: 25 / 31

- Remove shroud (see 5.1).
- Remove cover of switch housing
(see 9.2.1).
Note: Note circuit diagram; if
necessary, produce a drawing
clearly showing which wire
(note colour) is connected to the
respective terminals.
•
Remove retaining screw (1) in
rotary knob.
- Remove rotary knob.
•
Examine O-ring (1) in rotary
knob and replace if necessary.
•
Undo fastening screws on switch
with size 2.5 hexagon socket
wrench.
- Check the various parts and
replace if necessary.
Reassemble parts in reverse order.
•
Note installation position of
switch: the two lugs (1) on the
switch fit between the bumps (2)
in the cover.
- Grease O-ring before refitting
rotary knob.
- Remove shroud (see 5.1).
- Remove cover of switch housing
(see 9.2.1).
Note: Note circuit diagram; if
necessary, produce a drawing
clearly showing which wire
(note colour) is connected to the
respective terminals.
RE 140 K
- Remove lugs of power cable
from switch.
•
Prise cable grommet (1) out of
housing and pull it out of the
housing with the power cable.
RE 160 K
•
Disconnect protective earth
conductor (1). Note the serrated
washer.
621RA034
BL
1
621RA033 BL
1
9.2.2 Switch 9.2.3 Power cable
6
21RA035 BL
621RA036 BL
1 2 2
621RA037 BL
1
621RA111 KN
1
RE 140 K, 160 K 25