Carburettor - Husqvarna 324LX Workshop Manual

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Fuel system

Carburettor

Dismantling
Remove the carburettor cover and the
air filter then blow clean around the
carburettor
Dismantle the throttle cable and the
nuts holding the carburettor and fold
down the air filter holder.
505 38 13-08
Dismantle the fuel hoses.
Dismantling the carburettor
Dismantle the valve mechanism.
If the valve or its bearing are damaged
the entire mechanism should be
replaced.
Dismantle the control diaphragm.
Carburettor
Dismantling
1. Remove the carburettor cover and
the air filter.
2. Close the choke valve and blow off
any dirt around the carburettor.
3. Disconnect the throttle cable.
4. Remove the carburettor nuts and
the plate washer. Move the air filter
holder to the side and remove the
carburettor.
5. Dismantle the fuel hoses from the
carburettor and note how they are
connected so that the fuel pump
works as intended.
With the help of the fuel pump's
bellows press fuel through the
carburettor and fill all ducts with fuel.
Any vapour bubbles that block the
ducts are pushed out.
In doing so helps to start the engine.
Dismantling the carburettor
Remove both screws (A) and lift off the
entire valve mechanism.
The valve stop screw (B) may need to
be unscrewed a few turns.
If the valve or its bearing are damaged
the entire mechanism should be
replaced.
Remove the 4 screws.
These are long and hold together the
complete carburettor.
Now lift off the fuel pump's bellows (A),
valve housing (B) and control
diaphragm.