Stihl TS 420 - 12. Fuel system; 12.1 Air filter; 12.2 Carburetor, removal and installation

76 TS 410, TS 420
11.2.1 Choke lever/ holder,
removal and installation
– Remove the shroud, b 7.4.
: Pull off the choke lever (1) and
unhook the choke rod from the
choke lever (arrow).
– Remove the leaf spring.
: Apply a screwdriver to the edge
(arrow) and pry out the holder (1).
– Remove the manual fuel pump,
b 12.7.3.
– Examine the choke lever, leaf
spring and holder, replace if
necessary.
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370RA313 TG
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– Install the manual fuel pump
b 12.7.3.
: Slide the holder (1) into the guide
(arrows).
The holder must engage the
peg (2).
: Slide the leaf spring (1) into the
guide (arrow).
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2
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: Hook the choke rod (1) into the
choke lever (arrow).
: Slide the choke lever (2) onto the
bearing journal (3), lifting the leaf
spring slightly at the same time.
– Check correct functioning.
– Reassemble remaining parts in
reverse order.
– Tightening torques, b 3.5.
370RA318 TG
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2
3