OPERATION No MA. 142.00 : (.hornrt<,rislirs o,,d s,~“cinl ,<‘“,ur“s o! the
Op. MA. 142.00
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CHECKING AND ADJUSTING OF THE FLOAT CHAMBER LEVEL
7 b
1. Removing the carburettor cover :
Disconnect tube (2) from capsule.
Remove the two capsule fixing screws (3
1.
Discollnrci the butterfly operating arm from
I
lever (4) by raising rimmed collar at <S a N
Rrmove COWI fixing screws ( 1) and free cover
with its float (6 ) and gasket (7 ).
2. Adjusting the float :
Check that pin (8 ) is properly positioned on
tongue e c N and hook it onto the needle valve.
Hold ccwe~ vertically so thot the tongue e( c P)
of float comes into contact with the needle valve
ball
without pushing it in.
Take the measurement of the float with needle
valve in closed position as shown opposite
( with gasket (7) on cover ).
This measurement must be 7 i 0.25 mm.
If not, adjust tongue e c K until correct value is
obtained.
This measurement must he the same under each
of the floats. If not, correct by adjusting the
connecting bar ss b )I.
3. Fit cover, performing operations in the reverse
sequence.
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