Operation Manual

138 MS 241 C
13.6.6 Lever of the choke shaft
Remove the carburetor, b 13.5
Troubleshoot carburetor, b 3.6
: Push out circlip (1)
: Remove lever (2)
Installation
: Orient lever (1) so that it faces
the throttle shaft and the flat
face (arrow) faces the solenoid
valve
: Slide the lever (1) onto the choke
shaft (2) so that it aligns with the
flat faces of the choke shaft
: Push circlip (3) into place
2410RA369 TG
2
1
2410RA370 TG
3
1
2
Install carburetor, check correct
functioning
– Lever (1) must actuate the
microswitch, b 13.5, b 8.2.5
Reassemble remaining parts in
reverse order
13.7 Carburetor adjustment
The carburetor is adjusted by the
M-Tronic, thus no manual
adjustments to the carburetor are
necessary or possible.
Position of the special bolt (1) must
not be changed
– changing the factory default
setting leads to impaired engine
performance.
Solenoid valve (2) must not be
dismantled.
The solenoid valve must not be
twisted when disconnecting the
plug; if necessary, hold the solenoid
valve in place during disconnection
of the plug.
If the solenoid valve is twisted, twist
it back clockwise as far as it will go.
In case of malfunctions, check
M-Tronic, b 8.2
2410RA377 TG
1
2
13.8 Carburetor bracket
Remove filter base with attached
wiring harness and lay it aside,
b 8.4
Remove switchgear and
carburetor and lay them aside,
b 8.4
: Remove the washer (1)
: Pull throttle rod (1) out of the
guide (arrow) and set it aside
2410RA508 TG
1
2410RA509 TG
1