14.4.6 Accelerator Pump - Stihl MS 200 Service Manual

2
1
: Turn the throttle shaft (1)
counterclockwise until its flat side
is visible.
– Hold the throttle shaft in the
preloaded position, fit the end
cover and position the lever
against the idle speed screw,
b 14.4.3
: Place the throttle shutter (3),
notch (arrow) first and the hole
(2) on the left, on the flat side of
the shaft – the marking must be
visible.
1
2
– Coat screw with threadlocking
adhesive, b 16
: Fit new screw (2) and tighten it
moderately.
: Close the throttle shutter (1) and
center it in the carburetor body's
bore.
MS 200, MS 200 T
The notch (arrow) in the throttle
shutter (1) must line up with the
small hole in the carburetor body.
3
– Tighten down the screw firmly.
– Check freedom of movement.
– Check operation.
– Reassemble all other parts in the
reverse sequence.

14.4.6 Accelerator Pump

– Remove the throttle shaft,
b 14.4.5
: Remove the plug (arrow) – hold
bore closed to prevent pump
piston popping out.
– Remove the pump piston with
sealing ring, spring and strainer.
Inspect parts and replace pump
piston kit if necessary.
3 2 1
: Fit the strainer (1) in the bore
(arrow) first, then the spring (2)
and pump piston (3).
– Press a new sealing plug,
concave side facing outwards,
into the bore (arrow) until it is
flush with the carburetor's sealing
face
– the plug must not project.
– Install the throttle shaft,
b 14.4.5
– Reassemble all other parts in the
reverse sequence.
101