Adjusting the carburetor of the brushcutter is a process that needs to be mastered for the trimmer to work properly. A trimmer is a completely uncomplicated device that can break in only a few places and require mechanical repair or replacement of a part. Adjusting the carburetor device of a float-type brushcutter may require knowledge of certain subtleties. The nuances caused by the model and the specifics of its functioning will provide a clear mode of mixing and supply of the fuel mixture.

What is the problem with the trimmer malfunction

Lawn mower carburetor Champion how to adjust? This is just a float-type trimmer - a common option designed to mix air and fuel in the prescribed proportions. The main problems that arise during the operation of the engine are approximately similar to the problems that overtake the carburetor in a car:

  • the engine may stall immediately after being started. The reason is that there is not enough gasoline supplied. This is called "lean" fuel;
  • oversupplied gasoline leads to its incomplete combustion, excessive mixture density and wasteful consumption.

Carburetor repair

Important! It is necessary to adjust the carburetor under different circumstances: a change in the temperature regime, the octane number of the fuel or the type of oil, after the winter or the end of the running-in period, load or spontaneous turning of the screws from strong vibration of the body. Some owners prefer to tweak the module before each use to make sure it works correctly.

Trimmer device

Spare parts for motor cultivators

The float carburetor consists of an aluminum body with a hole (diffuser). Air is pumped through its through hole, and gasoline is drawn in through the fuel channels along with the air flow. This is the basis of the device - the fuel chamber. Top-mounted nozzles, a pump and a mixture control system ensure not only saturation, but also a uniform flow.

Note!The float carburetor has been in use for decades and the basic problems are similar for all types. The principle of operation of the device depends on the quality of the mixture, and the adjustment is aimed at ensuring it.

Principle of operation

Trimmer Calm electric

The flow of air into the throttle tube increases or decreases depending on its position. From the fuel chamber, gasoline enters a special tube through a jet. A float is a device that regulates the supply of fuel, its level determines the volume. Gasoline supplied through the nozzle is mixed with air due to the pressure difference. This creates an air-fuel mixture for engine operation.

Note! Incorrect fuel composition is due to a lack of gasoline or air. This means that you need to adjust the throttle or float position. The engine can also stall due to the jet, but this is already a more serious damage.

Adjusting the carburetor gas cutters

How to adjust the trimmer on a brushcutter

Most modules have adjustment screws, and a diagram usually helps to understand their functionality:

  • L - for low-speed fuel supply;
  • H - fuel supply at high speeds and its consumption;
  • T - debug idle speed.
Motokosa Champion

Adjusting the brushcutter, which is made in China, can be difficult due to the presence of only one screw, which is responsible for idling.

Important! The answer to the question of how to adjust the carburetor of the Champion lawnmower is better watch the videowhere a professional does it.

Adjusting the carburetor on the Patriot trimmer

Adjustment of the Patriot trimmer carburetor is carried out by ear with screws. No verbal explanation will give a complete picture of how this is done, so it is better watch the video instruction.

When properly adjusted, the engine should increase revs and the cutting tool will not turn when idling. Everything is easy and simple!