How the carburetor is tuned

The movement of the car is primarily due to the force that presses on the special motor valves. The pressure is carried out by the combustion of a mixture of fuel and air, for the appearance and movement of which the engine responds to the carburetor. At the heart of the process of mixing fuel and air are laid two physical laws - the Bernoulli principle and the Venturi effect, according to which, the smaller the pressure value, the greater the speed of air movement.

Controlling the air flow in the carburetor device is carried out with the throttle valve, and its control is carried out by the accelerator pedal. The field of application of carburetors is the old models of cars, trucks, as well as motor boats and small-sized aircraft. Despite the fact that the device itself does not need to carry out various maintenance activities, the carburettor's high-quality tuning is extremely important for ensuring optimum engine performance. In this regard, we will dwell in more detail on those moments that can cause these or other malfunctions of the carburetor.

Fuel leaks

One of the most common problems is the problem of fuel flow. As a rule, when a leak is detected, all the related malfunctions are related to the incorrect operation of the float system, or due to too high a value. The normal pressure level is 4-7 psi.

Ignition spark plug deposit formation

When applying the wrong amount of fuel to the spark plugs , a deposit is formed on them, which is most often caused by either a malfunctioning float operation, high pressure, or a malfunction of the float chamber. Also, the increased fuel supply is caused by failure of the valve.

Engine malfunction while idling

In the event that the engine is not operated correctly for a certain number of revolutions during the idle run, the fault is often justified by the faults associated with connecting the carburettor and the accelerator pedal to the wire. Adjust the carburetor in this case will help detach the wire and check the operation of the throttle manually. Another reason is also not the tuning of the carburetor, but the presence of contaminants or the effects of external factors (corrosion).

Adjustment of the carburetor first begins with the engine warming up. This is a prerequisite. When performing any action on the engine in a cold state, the carburetor setting will be meaningless. The next important step is to ensure that the throttle is removed from the throttle. Then it is necessary to disconnect the vent tube of the crankcase, after that it is necessary to make sure that there is no vacuum in the advance regulator tube. The next step is to find the quality screws, those screws that are responsible for controlling the mixture. Screws must be screwed in the clockwise direction strictly one at a time until the engine is unstable. If the engine shudders violently, stop twisting and turn it back exactly one turn, the engine will start smooth running.

To ensure uninterrupted operation of the engine, this carburettor setting is necessary, with the carrying out of similar measures with respect to each quality screw. This will achieve a smooth sound in the engine with the exclusion of all kinds of cotton emissions.