Grass Line Trimmer Common Parts Glossary

Air filter

An air filter is an absorbent foam rectangle that's mounted on the air intake to the carburetor. It filters the air that enters the carburetor to mix with the fuel.

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Carburetor

The carburetor mixes air with fuel in the proper proportion to produce a combustible gas. That gas/air mixture then moves into the cylinder where it is compressed by the piston and ignited by the spark plug.

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Carburetor rebuild kit

The carburetor rebuild kit contains the essential components such as diaphragms, seals and gaskets needed to tear down a carburetor and rebuild it so it works properly.

Cutting blade

Some trimmers are designed to cut brush or heavy vegetation using a cutting blade instead of cutting line. The cutting blade eventually gets dull with use. Replace the cutting blade with a new one when it gets worn or is damaged.

Fuel filter

The fuel filter attaches to the end of the fuel line inside the gas tank. It filters particles from the gasoline as it moves from the fuel tank to the carburetor.

Fuel line

Fuel lines are made of flexible tubing that carries fuel from the tank to the carburetor and from the primer bulb to the fuel system.

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Replacement cutting line

The cutting line that is initially installed in the cutting head of the trimmer will eventually be used up. Replacement cutting line is available in various sizes. Replace the cutting line with the proper size for your grass line trimmer.