Stihl TS 420 - 11 Actuating Levers; Switch Shaft; Choke Lever; Switch Shaft, Removal and Installation

73TS 410, TS 420
11. Actuating levers
11.1 Switch shaft/ choke lever
The following operating conditions
are set with the switch shaft:
–Position
0 = Engine off, ignition
off.
–PositionF = Run position. Engine
is running or can start.
– "START" position = Starting
position; makes starting easier.
The following additional operating
conditions are set with the choke
lever:
–Positiond = Cold start: for
starting the cold engine
–Positionk = Hot start: for
starting the hot engine
–Positionj = Engine is running,
has reached operating
temperature.
370RA292 TG370RA293 TG
11.1.1 Switch shaft, removal
and installation
– Set the switch shaft to
position "
0".
: Remove the screw (arrow).
– Remove handle molding (1).
– Remove the cap (2).
: Unhook the throttle rod (1) from
the throttle trigger (2).
– Lay the throttle rod (1) in the
guide (arrow) – it is now secured.
370RA294 TG
1
2
370RA295 TG
2
1
: Unhook the torsion spring (1)
from the trigger interlock (arrow).
: Pry the leaf spring (1) out of the
mount (arrow).
: Pull the switch shaft (1) out of the
bearing points (arrows).
– Check the various parts and
replace if necessary.
370RA275 TG
1
370RA296 TG
1
370RA297 TG
1