Assembling The Carburettor - Husqvarna 122C Workshop Manual

Fuel system
The blending unit
Remove the main jet.
Check valves and dampers for wear.
Replace if required.
Assembling the
carburettor
Blow the carburettor housing clean.
Fit the new main jet, the valves and damp-
ers.
Fit the needle valve and the lever arm.
The lever arm should lie fl ush with the
carburettor housing.
The blending unit
Press out the main jet (A) with a suitable
punch.
Remember how far it is pressed into the
carburettor housing.
Remove the valves and dampers. If these
components are worn, idling is disrupted.
Always replace the valves and dampers at
the same time.
Assembling the
carburettor
• Blow all channels in the carburettor
compartment clean
• Press in a new main jet. Use a suitable
punch and hammer.
• Fit the valves and dampers.
• Fit the needle valve and the lever arm.
Tip!
Any numbers on the valves should be able
to be read from the outside.
NOTE!
Check that the valves are turned
correctly and that they close
completely and tightly in the closed
position.
Use Loctite on the valve screws.
The lever arm should lie fl ush with the
carburettor housing.
Too high setting = too much fuel.
Too low setting = too little fuel.
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