Stihl MS 341 Shop Manual page 82

– Inspect parts for damage and
wear and replace if necessary.
When installing, always use a new
pump piston.
Reassemble in the reverse
sequence.
Wear safety glasses while
installing the accelerator pump/
throttle shaft.
Note correct installed sequence of
the individual parts of the
accelerator pump: First fit the
spring (4), then the pump piston (2),
with the ball seat (arrow) facing you,
and the ball (1).
Use a suitable tool to press the
ball (1) down and fit the throttle
shaft.
1
: Note correct installed position of
spring (1).
MS 341, MS 361, MS 361 C
: Use a suitable tool to carefully
install a new sealing plug (arrow)
in the accelerator pump's bore.
a
: Press home sealing plug so that it
is recessed 1 mm (dimension 'a')
in the accelerator pump's bore.
1
: Fit the throttle shutter (1) in the
shaft.
Check that the stamped digits face
you.
The two marks (see arrows) must
be parallel to the throttle shaft.
1
Check that the center of the notch in
the throttle shutter is in line with the
hole (arrow) in the carburetor body.
: Tighten the screw (1) moderately.
– Center the throttle shutter so that
it moves freely.
– Tighten down the screw (1)
firmly.
– Check freedom of movement
again.
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