Stihl TS 420 User Manual

74 TS 410, TS 420
– Align the switch shaft. The larger
bearing journal must point
towards the switch.
: Press the switch shaft (1) into the
bearing points (arrows) until it
clicks into place.
The peg (arrow) must engage in the
throttle trigger.
: Lay the leaf spring (1) on the
cams of the switch shaft and
press it into the mount (arrow).
– Hook the torsion spring into the
trigger interlock.
370RA298 TG
1
370RA299 TG370RA300 TG
1
– Take the throttle rod out of the
guide.
: Hook the throttle rod (1) into the
throttle trigger (arrow).
– Set the switch shaft (1) to
position "
0".
: Guide the handle molding (1) into
position under the pegs (arrows).
– Insert and tighten down the
screw.
– Tightening torques, b 3.5.
370RA112 TG
2
1
370RA302 TG
1
370RA303 TG
1
– Check correct functioning: the
switch shaft must actuate the
switch when in position "
0"; it
must engage and slightly lift the
throttle trigger when in position
"START".
11.2 Throttle trigger/trigger
interlock, removal and
installation
– Remove the handle molding,
b 11.1.1.
– Unhook the torsion spring
(arrow).
: Pull the trigger interlock (1) out of
the bearing points.
: Drive the pin (arrow) out with a
drift.
370RA304 TG
1
370RA305 TG

Stihl TS 420 Specifications

General

Engine Power	4.4 bhp
Weight	21.2 lbs
Arbor Size	20 mm
Maximum Wheel Size	350 mm
Maximum Cutting Depth	125 mm
Displacement	66.7 cc (4.1 cu. in.)
Fuel Capacity	710 cc