Carburetor - Husqvarna 131R Workshop Manual

8.8.2 To clean and examine the fuel filter
CAUTION: Always replace a damaged fuel filter.
1. Examine the fuel filter. If the fuel filter is dirty, clean it
with a brush.
2. If the fuel filter cannot be cleaned, replace the fuel
filter.
3. Examine the fuel hose for cracks and leaks. Replace
the fuel hose if it is damaged.
8.8.3 To attach the fuel filter
1. Attach the fuel filter to the fuel hose.
2. Make sure that you put the fuel filter as high up into
the fuel hose as possible.
3. Tighten the hose clamp. Make sure that the filter
cannot move off the tube.

8.9 Carburetor

8.9.1 To disassemble the carburetor
1. Remove the air filter cover and the air filter.
2. Close the choke valve and blow dirt off the
carburetor.
3. Disconnect the throttle cable.
4. Disconnect the fuel hoses from the carburetor and
make a note of how they are connected.
5. Remove the carburetor screws and the air filter
holder.
675 - 002 - 23.04.2018
6. Push fuel through the carburetor with the bellows of
the fuel pump. Fill all the pipes with fuel. This
pushes out all the bubbles that cause blockages in
the pipes.
7. Remove the 2 screws (A) and lift off the throttle
mechanism. Loosen the valve stop screw (B). Make
sure that the sealing ring on the connection flange is
not damaged.
A
B
8. Remove the 4 screws (A). Remove the bellows of
the fuel pump (B), the valve housing (C) and the
control diaphragm.
B
A
A
C
A
A
A
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