Stihl TS 420 - AV Spring on the Carburetor; Handlebar

69TS 410, TS 420
: Insert and tighten down the screw
(arrow).
– Install the handlebar, b 10.5.
– Tightening torques, b 3.5.
10.4 AV spring on the
carburetor
The AV spring is located near the
carburetor between tank housing
and crankcase, and must be
replaced if defective.
– Remove the carburetor, b 12.2.
: Remove the screw (arrow).
370RA265 TG370RA266 TG
: Take out the screw (arrow) with
an angled tool.
– Remove and examine the AV
spring (1), replace if necessary.
– Push the AV spring (1) into the
mount (arrow).
: Insert and tighten down the
screw.
The AV spring must be screwed in
as far as possible.
: Push the bearing plug into the
mount (arrow) and hold it in
position.
1
370RA267 TG
1
370RA268 TG370RA269 TG
: Insert and tighten down the screw
(arrow).
– Reassemble remaining parts in
reverse order.
– Tightening torques, b 3.5.
10.5 Handlebar
– Remove the support, b 10.6.
: Remove the screw (arrow).
: Remove the clamp (1).
: Remove the screw (arrow).
370RA266 TG
1
370RA251 TG370RA261 TG