Stihl MS 200 Service Manual page 101

– Remove the torsion spring (1).
: Remove the E-clip (arrow).
1
– Hold the throttle shaft and
remove the pump diaphragm end
cover, b 14.4.3
– Turn the throttle shaft (1)
clockwise and relax the torsion
spring
– the flat side of the shaft (arrow)
must face into the carburetor
bore toensure the accelerator
pump's piston is not blocked.
: Pull out the throttle shaft (1).
– Clean the throttle shaft and
guides, b 16
100
1
1
– Check the throttle shaft (1) and
torsion spring (2) and replace if
necessary
– Note installed position (arrow) of
the torsion spring.
– Check the accelerator pump and
replace if necessary, b 14.4.6
: Push the throttle shaft (1) with
torsion spring into the carburetor
body (arrow).
2
: Use a suitable tool to press the
accelerator pump piston into the
bore (arrow) in direction of choke
shaft and then push the throttle
shaft (1) all the way through.
1
: Position torsion spring on
carburetor body's shoulder
(arrow).
: Fit the E-clip (1).
Turn leg (2) of spring about one turn
clockwise and attach it to the throttle
shaft.
1
2
1
MS 200, MS 200 T