Wash all parts in petrol and blow through
the jet to clear it – use a foot pump if you have one.To reassemble the jet,
slide the metal ferrule into the end of the jet tube. Fit the metal washer over
the end, then the rubber oil seals.Use a drill-bit shank of suitable size to
check the gap between the float and chamber top.Use a drill-bit shank of
suitable size to check the gap between the float and chamber top.rubber auto oil seals CHEAP AND FINE.
Leave at least in. (5 mm) of tube sticking out of the end of the seal. Insert the tube into the float chamber. Tighten the nut.When you reassemble the dashpot, note that the piston has a groove in one side and fits in only one way. auto oil seals.If the carburettor has a rigid needle it must be centralised in the jet.Removing the float
Disconnect the fuel pipe from the top of the float chamber.
Remove the three screws holding the top on the float chamber.rubber auto oil seals CHEAP AND FINE.
Hold the float assembly so that the float rests on the needle valve. Pull out the pivot pin. Take out the valve needle and unscrew the valve assembly from the float-chamber lid.
Lift the top off with care: the float hangs from it and its pivot arm is easily bent, which will upset the critical fuel level in the chamber and cause either fuel starvation or flooding of the carburettor (See Adjusting an SU carburettor).auto oil seals.
Check the bottom of the bowl for sediment and remove any by dislodging it with a small screwdriver. Wash out the bowl with clean petrol and wipe dry with a lint-free cloth. Replace the top with a new gasket and tighten the screws evenly. Refit the fuel pipe to the chamber top.rubber auto oil seals CHEAP AND FINE.
Leave at least in. (5 mm) of tube sticking out of the end of the seal. Insert the tube into the float chamber. Tighten the nut.When you reassemble the dashpot, note that the piston has a groove in one side and fits in only one way. auto oil seals.If the carburettor has a rigid needle it must be centralised in the jet.Removing the float
Disconnect the fuel pipe from the top of the float chamber.
Remove the three screws holding the top on the float chamber.rubber auto oil seals CHEAP AND FINE.
Hold the float assembly so that the float rests on the needle valve. Pull out the pivot pin. Take out the valve needle and unscrew the valve assembly from the float-chamber lid.
Lift the top off with care: the float hangs from it and its pivot arm is easily bent, which will upset the critical fuel level in the chamber and cause either fuel starvation or flooding of the carburettor (See Adjusting an SU carburettor).auto oil seals.
Check the bottom of the bowl for sediment and remove any by dislodging it with a small screwdriver. Wash out the bowl with clean petrol and wipe dry with a lint-free cloth. Replace the top with a new gasket and tighten the screws evenly. Refit the fuel pipe to the chamber top.rubber auto oil seals CHEAP AND FINE.
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