Online version - not for reprint
78 MS 270, MS 280
Check correct installed position
of the spring (1).
VA
146RA157
1
Use a suitable tool to carefully
install a new sealing plug (arrow)
in the accelerator pump’s bore.
VA
146RA151
Press home sealing plug so that it
is recessed 1 mm (dimension 'a')
in the accelerator pump’s bore.
VA
146RA158
a
Fit the throttle shutter (1) in the
shaft.
VA
146RA159
1
Check that the stamped digits face
you.
The two marks (see arrows) must
be parallel to the throttle shaft.
VA
146RA161
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.
VA
146RA160
1
– Tighten down the screw (1)
firmly.
– Check freedom of movement
again.
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