Stihl TS 420 Manual page 76

1
: Take out the throttle trigger (1)
and torsion spring (2).
– Check the various parts and
replace if necessary.
1
: Hook the torsion spring (1) into
the throttle trigger (2).
– Note the installed position
(arrow).
1
: Guide the throttle trigger (1) past
the switch shaft (arrow) and place
it in the shroud with the torsion
spring.
TS 410, TS 420
2
: Insert the drift in the hole (arrow)
to secure the throttle trigger with
torsion spring.
: Fit the pin (1) and drive it in until
it is at the same distance on both
sides.
2
: Press the trigger interlock (1) into
the bearing points (arrows) until it
clicks into place.
1
: Hook the torsion spring (1) into
the trigger interlock (arrow).
– Install the handle molding,
b 11.1.1.
– Check correct functioning: when
in "START" position, the switch
shaft engages and slightly lifts
the throttle trigger; the throttle
1
trigger is blocked if the trigger
interlock is not actuated.
– Tightening torques, b 3.5.
1
75