N.B.
THE MEASUREMENT MAY BE FALSIFIED BY
THE INCORRECT NUMBER OF REVS OR BY
THE WRONG POSITION OF THE TUBE.. IN
THIS CASE, THE TENDENCY IS TO OBTAIN A
REDUCED FUEL FLOW RATE. THE SUCTION
OUTLET ON THE MANIFOLD HAS A SECTION
INTENTIONALLY REDUCED FOR THE PUR-
POSE OF ENHANCING THE SUCTION PULSA-
TION AND THEREBY GUARANTEE A CON-
STANT TAP FLOW RATE.
Specific tooling
020329Y MityVac vacuum-operated pump
Characteristic
Minimum flow rate
20 cc
- Completely empty the gas tank.
- Remove the petrol delivery tube and the suction
tube.
- Loosen the clip and remove the tap.
- Clean the tank and the filter of the tap with a spe-
cific solvent.
- Refit the tap making sure that there is an O-Ring.
- Turn the tap to the direction it had before it was
removed and block the clip.
N.B.
THE FILTER CAN BE UNSCREWED FROM THE
COCK TO FACILITATE CLEANING.
Removing the carburettor
- To detach the carburettor from the engine, it is
necessary to move the air filter and remove the
throttle control transmission, the automatic starter
connection, the clamps anchoring the carburettor
to the filter housing and to the inlet manifold, the
air delivery pipe to the diaphragm, the heater and
the intake fitting.
Engine Fly 125 - 150 4T
ENG - 140
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