Trimmer for grass gasoline rate of carburetor adjustment. When to adjust the carburetor?

Stavr TB-1400R Installation Instructions online. Page 9

Instructions of the Stavr TB-1400R for the device trimmer for grass gasoline contains pages in Russian.

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You can download PDF file of this instruction: download pdf

internal and external flanges.2. Remove the fixing rod3. Keep a coil for further use.Preparation

meaning-

engines 1 part and gasoline of the brand

In no case should you use

t.to. She has a limited period-

3 days. Old or prepared-

The mixture is the main reason not-

sustainable engine operation or you-

Mix gasoline with oil in the required proportion. Pour the mixture of gasoline/oil into the fuel tank.2. Transfer the ignition switch to the ON (I) “Inclusive” position. Press the fuel pump button five to seven times on the pump pump, while the pumped fuel should be viewed through the rubber cap of the pump button. If the fuel does not fill the cap, press the pump button several more times.3.

the carburetor air damper to the position “completely closed”.

Having placed a trimmer for grass on the ground, press and hold the gas lever in the “Full Gas” position. Several times (usually two to five) first smoothly, and then energetically pull the starter cord until you make sure that the engine starts.5. Transfer the air damper control lever to the position “partially closed”.6. Sharply pull the starter cord 1-3 times for the final start of the engine.7. If the engine does not start, then repeat the same sequence.Note:

shimmers fuel when starting, then transfer the air damper control lever to the “fully open” position, squeeze the gas lever and abruptly pull out the starter cord. The engine should start 3-8 times.eight. Holding the gas lever pressed, warm the engine for 5-10 seconds. Transfer the air damper control lever to the “fully open” position.

Note: When starting a heated engine, there is no need to close the air

The ignition switch to the ON (I) “Inclusive” position and start the engine when the air damper

Note: Work with a trimmer is necessary with a completely open air damper and a completely pressed gas lever.

Let the gas lever. The engine should cool slightly, working at idle.

Adjusting the gas mowing carburetor: main points

Despite the high performance, mobility and unpretentiousness in work, modern motorcycles are hard to attribute to complex devices. Over time, any mechanism is worn out, and therefore the details and nodes require special attention to the owner.

One of these elements of a trimmer for grass is a carburetor designed to form a fuel mixture and supply it to the combustion chamber.

Increased consumption with proper observance of gasoline and oil proportions or engine power indicates the need to adjust the carburetor of a gasoline trimmer for grass.

Setting a carburetor trimmer for grass

The initial stage of restoring the correctness of the fuel system is the cleaning of the air filter.

Experts recommend, after every 10-15 hours, rinse it in a solution of water with detergents. Direct setup of the carburetor of the trimmer for grass is performed by three adjusting screws:

• fuel supply settings screw (“l”);
• high speed adjustment screw (“h”);
• The screw responsible for the work of the motor at idle (“t” or “AT”).

Fuel supply adjustment at minimum speed

Before starting the tuning of the benzotrimer carburetor, you need to warm up the engine to operating temperature.

To do this, we start the internal combustion engine and let it work for 10-15 minutes at idle. At the first stage, when the trimmer is running, slowly tighten the “l” screw until the appearance of intermittent work begins or until it stalls.

Next, we turn the screw for ¼ turn and check the speed of a set of maximum speed. If the lawn mower easily and quickly reaches high speeds, this will be the most economical mode.

In most of the models presented on the market, the fuel supply screw “L” is twisted clockwise, but there are trimmers for grass, where a decrease and increase in the intake of the mixture occurs in the reverse order.

Holocaulid setting trimmer for grass

Carburetor settings

The screw “t” (“at”) serves as a limiter of the reciprocating movement of the fuel damper and when it is twisted, an increase in engine speeds, and turning away leads to a decrease in the frequency of rotation of the crankshaft.

Professionals advise setting up the loop of the lawn mower so that the ICE worked a little accelerated at minimum speed, but the head with a fishing line or knife remains motionless.

If, after the manipulations of the trimmer for the grass, it is difficult to start “on the cold”, then it is enough to tighten the “T” screw for a quarter of turn and try to run the engine again.

Adjustment of the screw of maximum revolutions Motokos

After the restoration of fuel supply at minimum speeds and the idle setting, it is necessary to check the stability of the mechanism with an increased speed of rotation.

The motor adjustment at high speeds is performed in order to protect against overheating and reduce the fatigue of the hand when pressing the accelerator key. If the ICE works unstable at maximum speeds, then the “H” screw must be slowly wrapped before ensuring even and clear work.

During operation, motorcycles may need to adjust the fuel supply screw (“l”) for the optimal set of revolutions.

Benzotrommer carburetor repair tips

For example, the setting method described above may not give positive results with an overly large number of turns of the mixture supply spring and, as a result, the impossibility of optimal reduction in the level of gas supplied. To eliminate this, you can independently shorten the spring or, in accordance with the operating manual, purchase a new.

So, often the information indicated on the bank by mixing gasoline with oil differs from the instructions in the passport of the trimmer for the grass. As a result of this, a black fog can quickly form on the spark plug, which leads to a drop in power and an increase in fuel consumption.

Therefore, when preparing a working mixture, the recommendations specified in the operation manual should be followed. In most cases, the proportion for the chopped ICE is 1:25.

It is worth noting that many tool owners prefer to prepare fuel “by eye”, which will certainly lead to the rapid wear of the piston braid for grass in the case of a decrease in the portion of oil and the formation of soot on the spark plug with an increased amount of lubricant fluid.

Adjusting the gas mowing carburetor: the main points WAS Last Modified: June 25th, 2018 BY Administrator

About adjusting the carburetor motorcosa: how to set up and adjust with your own hands

Motokosa carburetor adjustment is a process that needs to be mastered for the full operation of a trimmer for grass.

Trimmer for grass is a completely simple device that can break in only a few places and demand a mechanical repair or replacement of part.

Adjustment of the carburetor device of the float.type motorcycles may require knowledge of certain subtleties. The nuances due to the model and the specifics of its functioning will ensure a clear mixing and supply regime of the fuel mixture.

What is the problem of a trimmer malfunction for grass

CHAMPION BAS carburetor, how to adjust? This is just a trimmer for floating type grass. a common option designed to mix air and fuel in the proportions provided. The main problems arising during the operation of the motor are approximately similar to the problems that overtake the carburetor in the car:

• the motor can stall immediately after it managed to start. The reason is that gasoline is supplied in insufficient quantities. This is called “poor” fuel;
• Excessively fed gasoline leads to its incomplete combustion, excessive density of the mixture and uneconomous consumption.

Important! It is necessary to regulate the carburetor under different circumstances: a change in the temperature regime, octane fuel or type of oil, after winter or end of the run.in, load or spontaneous turning of the screws from strong vibration of the body. Some owners prefer to configure the module before each use to make sure of its correct work.

Trammer device for grass

The float carburetor consists of an aluminum case with a hole (diffuser). Air injection is carried out through its passage hole, and gasoline is pulled through the fuel channels along with the air flow. This is the basis of the device. fuel chamber. The nozzle installed on top, the pump and the mixture adjustment system provide not only its saturation, but also the uniform supply.

Note! The float carburetor has been used for decades, and the main problems of all types are similar. The principle of functioning of the device depends on the quality of the mixture, and the setting is aimed at ensuring it.

How to adjust a trimmer for grass on a motorcycle

Most modules have adjustment screws, and the scheme usually helps to understand their functionality:

• L. for fuel supply of low.speed mode;
• H. the supply of fuel at high speeds and its consumption;
• T. debugging idle revolutions.

Motokos adjustment, the production of which is Chinese, can cause difficulties due to the presence of only one screw responsible for the idle.

Important! The answer to the question of how to adjust the carburetor of the Champion lawn mower, it is better to watch on the video where a professional does it.

Carburetor adjustment on the Patriot trimmer lawmaker

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

After proper adjustment, the engine should increase the speed, and when working, an idle cutting tool will not turn. Everything is easy and easy!

The main problems

Malfunctions of the carburetor Motokos or trimmer for grass, despite the relative simplicity of their elimination, sometimes require a long search by excluding. The main reasons are as follows:

Flamming fuel supercharger

The most repeating breakdown is wear, rupture of the membrane. As a result, its lavation. Fuel moves are not sealed at certain stages of the engine cycle. The reasons here are as follows:

• You have been working on a motorcycle or trimmer for too long without a break;
• Poor.quality fuel was seasoned;
• Wheelled gases fall into the pulse channel.

A deformed membrane is fraught with several bad consequences:

• not enough gasoline or oxygen in the created combustible mixture;
• the launch of the motor occurs after 10 or more unsuccessful attempts;
• the engine knocks, clats during operation, and t. D.;
• The working piston is deformed.

As a result, the internal space of the fuel pump is contaminated from the side of the pulse channel.

Ground of a mesh filter

The reasons for the clogging of the mesh filter are poor.quality fuel cleaning, damage to the hose and/or the injection head.

The failure of the adjustment lever

Wear of the contact edge of the lever. a consequence of not completely purified fuel, into which grains of sand or particles of clay, metal or other inclusions that are not soluble in liquid hydrocarbons fell. A problem with fuel injection appears, the motor does not function with interruptions without load.

The inlet needle is spoiled

The inlet needle breaks due to the presence of metal and stone particles in gasoline. As a result, the saddle of the intake needle tightly adjacent to it, the fuel mixture flows. In the combustible mixture created by the carburetor, there is too much air, which is why the motor can “sneeze” during operation. Finally, the needle can stop due to poor-quality gasoline, or the unit was idle for a long time.

Clogging the adjusting space

Deposits may accumulate in the adjustment compartment. The needle does not completely cover the hole, and a lot of gasoline enters the fuel chamber. the motor pours it, perhaps floods the spark plugs. Because of this, the gasoline mixture contains an increased number of vapor of gasoline. The efficiency falls noticeably.

The adjustment membrane is spoiled

The membrane is often deformed (sometimes torn) due to continuous operation of motorcycles or trimmer for grass for several hours. If you abuse such a “shock” mode of operation, damage to the membrane occurs more often. New breakdowns will be sprinkled from a cornation of abundance:

• the piston will break;
• The number of attempts by the unsuccessful start of the engine will increase sharply;
• The fuel mixture will contain too little gasoline;
• Useful (thermal) power will drop sharply.

The inlet regulatory lever sees

Sequeling of the adjusting lever. a consequence of the incorrect installation, random flexion. Contactive line will find an incorrect position. This will violate the additional injection of gasoline.

The damper has worn out

Throttle and air conditioning are unusable due to admission to the air flow of dust, metal particles, etc. D. Damaged shutters are similar to details subjected to streaming with sand. Due to wear of the damper, the efficiency of the motor decreases, breakdowns are detected. The piston and cylinder wear out.

The shutters become unusable due to incorrect service of the air filter or its breakdown.

In some cases, this filter is simply not suitable for your model motorcycles or trimmer for grass. In the end, the shaft of the motor will suffer. its pieces fall into the engine channels, which is why the piston will be broken.

The carburetor cannot be adjusted

The fact that the adjustment is too rough (it is not possible to accurately set the parameters) are to blame for the adjustment screws. The manufacturer Motokos or trimmer for grass can put excessively thick and hard springs. You can find others either in workshops where such equipment is repaired, or purchased from any dealer or official representative of the company who released the engine for your trimmer for grass or mechanical braid for grass.

The primer broke

Primer-a manual mini-pump for forced swinging fuel into a carburetor. For a successful start of the motor, it may be necessary to pump 20 ml of gasoline manually.

Elimination methods

The list of upcoming work with the engine may be as follows:

• replacement of the fuel pump;
• disassembly and flushing of the mesh filter;
• replacement of the adjusting lever;
• It is also necessary to clean the adjustment space;
• replacement of the membrane (or the entire block where this membrane is located);
• setting in intake, graduation and needle valves;
• replacement of the damper;
• cleaning the fuel channels and diffuser;
• replacement of springs of screws;
• Change of primer.

Not all these works can be completed. It often turns out that many of them have no need if a specific malfunction is immediately discovered.

Why floods the lawn mower?

Most often, the lawn mower refuses to start because the fuel fills the candle. This can happen due to the fact that worn nozzles serve too much fuel in the combustion chamber, and its excess flies a candle, which is why it cannot generate a spark.

low.quality fuel (fuel mixture), it can be in long.term storage or in non.compliance with the recipe for the preparation of the mixture; The grass was wound on the shaft of the fishing/knife head; clogging of the air filter/muffler; Balance of the carburetor.

Carburetor for a trimmer for grass. How to adjust the carburetor of a trimmer for grass.

On trimmers, in addition to electric motors, gasoline internal combustion engines are installed. This mechanism requires special attention, since if it is incorrectly set up, it will either refuse to work or work with interruptions and power loss. Basically, the engine setting is to adjust the supply of fuel, and this is done using a trimmer carburetor for grass.

The standard design of any gasoline trimmer for grass must include a fuel system, the basis of which is the action of a standard carburetor. Its device and the initial principle of action are almost the same for all motos, regardless of their design characteristics and purpose.

The carburetor of the motorcycles consists of an entire.metal aluminum corps, which protects the internal components of the node from moisture, fine debris and dust. In the lower part of the case, a built.in diffuser is provided, the second name of which is “Venturi’s nozzle”. The main function of this regular part is the supply of air in the amount that is required by the fuel node to enrich the fuel. Diffusure work on a simple principle: the smaller its diameter becomes, the more intensively the air is absorbed. This is due to the fact that in the zone of the smallest diameter the level of air discharge becomes maximum.

The upper part of the built.in factory diffuser is pre.equipped with fuel tubes, according to which, under the influence of air, the fuel mixture is delayed. The remaining parts of the carburetor: regular adjusting screws and fuel pump can be located both inside and outside the carburetor.

The device of the carburetor Motokosa includes a throttle, the main task of which is to adjust the volumes of absorbed air. The larger the amount of air, the higher the rated power of the power unit of the trimmer for grass. Another damper function is to relieve the cold start of the engine. If the lawn mower is started for the first time after prolonged downtime, then the damper must be closed. Immediately after starting the motor, the part must be opened, otherwise the ICE will stall.

The carburetor for a trimmer for grass is equipped with a pulsed channel, which connects the internal cavity of the ICE crankcase with the pulse chamber of the pump. The piston located in the motor cylinder creates reciprocating movements, which leads to phased changes in pressure inside the crankcase. At the same time, a membrane is set in motion. Thus, the action of the pump is completely synchronized with the operation of the power unit.

A standard carburetor membrane takes an active part in the fuel suction. In the fuel node, it gets through the fitting. After that, the fuel passes through the built.in intake and exhaust valve, then through the mesh filter and fuel tube. Then the fuel flows next to the needle and gradually fills the camera equipped with a control membrane.

The standard valve of the carburetor trimmer for the grass is connected to the membrane using a lever. Below the built.in membrane is a cavity into which the air is absorbed through a special hole.

The carburetor for the lawn mower is working on this principle in stages. This ensures the continuous operation of the fuel unit and the uninterrupted supply of fuel in the cylinder of the standard power unit.

Когда требуется настройка карбюратора бытового триммера для травы? It is necessary to adjust the built.in carburetor of a trimmer for grass with:

• running a new engine, during which from 4 to 5 liters of fuel mixture were used;
• sharp changes in the weather;
• changes in air vacuum. for example, when a lawn mower is often used in mountainous areas;
• prolonged simple trimmer for grass;
• intensive growth of loads on the power unit Motokosa;
• arbitrary twisting of the built.in adjusting screws of the carburetor. this becomes the cause of increased vibration of the internal combustion engine;
• change in the quality of the components of the fuel mixture;
• transfusing a fuel by a carburetor, a result of which is an increase in fuel consumption;
• the regular appearance of the thick layer of tarry deposits and soot on the surface of the electrodes of the standard spark plug of the trimmer for grass;
• starting the engine and its arbitrary shutdown or slow speed;
• lack of fuel intake into the cylinder of the power unit;
• increase in the volumes of ejected gases.

The lack of timely tuning of the carburetor threatens the serious breakdown of the trimmer for the grass, up to the full failure of its factory engine.

Do.it.yourself carburetor adjustment. Periodic adjustment of the carburetor of the trimmer for grass should be performed on the served and completely serviceable power unit. Before starting the procedure, the operator must thoroughly rinse the details of the internal combustion engine and inspect its CPG for the presence of burrs or other defects. In addition, you will need to clean or change the spark plug, as well as rinse the filter elements in the design of motorcycles.

During the tuning of the carburetor, the engine of the lawn mower should operate under a certain load. It is best to install a cord of the corresponding diameter or cutting knives on a trimmer for grass.

After the installation of the cutting organs, the operator must start the ICE of the trimmer for the grass and leave it to work for about 10 minutes. If during the operation of the power unit at idle, it was noticed that the cord or knife rotates, then it is necessary to reduce the speed created by the engine. To do this, turn the lower regulator, often indicated by the letter “t”, to the left side, until the installed cutting organ is completely stopped. The further settings of the fuel node are as follows:

• The “l” regulator, located on the right, is responsible for the enrichment of the fuel mixture by air during the operation of the motor at low speeds. The position of this screw must be configured first. To do this, the operator will need to achieve maximum engine speed when working at idle. for this you need to alternately turn the “l” screw in the right or left side. As soon as the maximum revolutions are achieved, the screw will need to be turned to 1/2 turning to the left;
• The screw “t” or “LA” is necessary to adjust the idle. During its turning to the left, the power unit will decline, and when turning to the right, respectively, increase;
• The H “H”, provided on the left, is responsible for the enrichment of the fuel mixture by air during the operation of the ICE of the Trimmer for high speeds. This screw is also needed to configure the power of the motor and the volume of the consumed fuel. The setting of its position is carried out by turning the screw to the right or left sides until the maximum permissible engine speed is reached. After that, the screw “h” will need to turn 1/2 turn to the left.

Benzotrommer carburetor repair tips

Spring of the adjusting screw

For example, the setting method described above may not give positive results with an overly large number of turns of the mixture supply spring and, as a result, the impossibility of optimal reduction in the level of gas supplied. To eliminate this, you can independently shorten the spring or, in accordance with the operating manual, purchase a new.

Oil for gasoline trimmer for grass

So, often the information indicated on the bank by mixing gasoline with oil differs from the instructions in the passport of the trimmer for the grass. As a result of this, a black fog can quickly form on the spark plug, which leads to a drop in power and an increase in fuel consumption. Therefore, when preparing a working mixture, the recommendations specified in the operation manual should be followed. In most cases, the proportion for the chopped ICE is 1:25. It is worth noting that many tool owners prefer to prepare fuel “by eye”, which will certainly lead to the rapid wear of the piston braid for grass in the case of a decrease in the portion of oil and the formation of soot on the spark plug with an increased amount of lubricant fluid.

Adjusting the gas mowing carburetor: the main points WAS Last Modified: June 25th, 2020 by administrator

How to adjust a trimmer for grass on a motorcycle

Most modules have adjustment screws, and the scheme usually helps to understand their functionality:

• L. for fuel supply of low.speed mode;
• H. the supply of fuel at high speeds and its consumption;
• T. debugging idle revolutions.

Motokos adjustment, the production of which is Chinese, can cause difficulties due to the presence of only one screw responsible for the idle.

Important! The answer to the question of how to adjust the carburetor of the Champion lawn mower, it is better to watch on the video where a professional does it.

Carburetor adjustment

Before adjusting the carburetor, rinse the air filter. It is recommended to rinse every 10 hours of work. After that, you can start setting up. The photo shows the carburetor of the gasoline bush zerab-8406. The numbers indicate the adjusting screws that we will use.

Adjusting screws of the carburetor of a gasoline trimmer for the grass of the germino-8406

Run the gas cutting and wait until it heats up.

Fuel supply adjustment

Slowly start turning the fuel mixture adjustment screw until the engine starts to stall or stops if you do not have time to catch the moment. Then unscrew the screw for a quarter of turning if the engine does not stop, or half a turn, if it stalled. Launches the engine in the gloss state. Check, opening the throttle when the engine is gaining momentum. Continue unscrew the screw N. 1 quarter turnover until the engine begins to stably accelerate when gas supply. This will be the time of the most economical stable engine operation. In a gasoline trimmer for PRoraB-8406 grass, adjusting screws turn clockwise, unscrewed. counterclockwise, some other brands have a gasoline trimmer for grass on the contrary.

Cooper adjustment

Let’s start setting low speed. The screw limits the reverse movement of the accelerator lever: turning it, we increase the idle stroke, unscrewing. Reduce. Adjust the engine so that the engine confidently works at low speeds and even with a small throttle (for better starting), but so that the coil with the wire or the knife does not rotate, and that there is a sufficient supply of revolutions before they start to rotate. If the engine does not start, increase the idle speed further.

Limiting maximum revolutions

After adjusting the fuel mixture and low speed, check how the gasoline cutter engine will work at full speed. If necessary, limit the maximum speed to the required level using no. 3. Loosen the fixing nut and tighten the screw to reduce the maximum speed, or unscrew it to increase it. After adjustment, tighten the nut. Installation of the maximum speed is necessary to protect the engine of the trimmer for grass from overheating and in order to be able to use the castle of the ignition key to reduce the fatigue of the right hand.

In the future, an additional adjustment of the carburetor of the trimmer for grass may be required. For example, if the engine begins to work poorly when working with full load, weaken the screw 1 for another quarter turnover. If the launch is difficult, increase idle speed. Both weather conditions and the quality of the fuel mixture can affect the work of gasoline law mmores. Vibration can lead to the turn of the adjusting screws themselves.

The spring may interfere

My first attempt to adjust the carburetor of Kustoreza failed, as the spring of the fuel mixture adjustment propeller interfered. The factory spring in a compressed state was too thick and did not allow to reduce the supply of fuel to the required level. I had to take another spring and, after replacing, continue adjustment.

Fuel mixture adjusting screw spring

In the photo above the factory spring, below the adjusting screw with a selected spring. I write about this because I am not sure that this is an isolated case, and someone else may face the same situation.

Damage to the damper

The presence of an abrasive in fuel leads to wear and premature failure of the throttle and air shutters. Worn parts can be recognized by appearance, they seemed to be subjected to sandblasting. The wear of the damper often causes such problems:

If the device is sensitive to the changes in the voltage of the mains, then it can fail when jumping. To minimize the risks of breakdowns and expensive repairs, you will have to separately purchase either a power supply or a stabilizer.

Can wear out both the shutters themselves and their shafts. These details fail due to non.compliance with the rules of operation of a gasoline trimmer for grass, lack of proper timely maintenance, damage to the air filter.

Continue the operation of the tool when he has worn shafts of the damper, it is unsafe. Their parts can break, penetrate the system, provoke the occurrence of serious breakdowns of a gasoline trimmer for grass, after which an expensive restoration or purchase of a new device will be required.

Важно! В процессе эксплуатации инструмента важно следить за состоянием фильтрующих элементов. Если фильтры не выполняют своих функций, в систему попадает неочищенное топливо, в котором содержатся абразивные частицы, грязь, пыль. Это приводит к ускоренному износу и выходу из строя важных комплектующих элементов карбюратора.

Preparatory stage

The competent setting of the carburetor of the lawn mower will increase the working resource of the tool, ensure its proper functioning for a long period. So, we begin work to adjust this mechanism. The first thing you need to carry out preparatory measures.

• Washing the motor. Working with a clean engine is much easier and more pleasant than with dirty. During operation, soot, dirt accumulates on it, dust settles, so it is simply necessary to rinse.
• Replacing or cleaning the spark plug. Pollution of this element provokes the occurrence of various problems. If you are planning to take the carburetor adjustment, replace the candle too.
• Cleaning air filter. The element can be washed in warm water with soap. The filter should dry without twisting. Do not hang it, but put it on a horizontal surface. If the part is strongly contaminated, it is better to replace it.

Another important stage is to install the cord instead of knives or fishing line. This will provide the desired load on the tool. The part should fit the diameter to the coil hole. After replacing the cutting element with the cord, start the motor and let it work at idle for 10 minutes. Now you can proceed to the actual adjustment. Carburetor setup is carried out using adjusting screws.

• Right l. With its help, the degree of fuel enrichment is adjusted at low speeds.
• Lower T (LA). Used to configure idle. To the left. the turns are reduced, to the right. increase.
• Left h. With its help, the degree of enrichment of the combustible mixture at high speeds is regulated.

When adjusting the carburetor, take into account that the work of the motor at full speed for more than 10 seconds can provoke serious breakdowns up to the complete release of the tool for their construction.

Обратите внимание! Разборку карбюратора рекомендуется осуществлять на светлой ткани. Дело в том, что в конструкции механизма много мелких деталей, которые легко потерять. На белой скатерти или старой простыни, например, болтики, гайки и другие элемента отыскать гораздо проще, чем на тёмном полу.

Principle of operation

The order of injection and filtering of fuel in the engine of the lawn mower is next.

• With the help of a throttle, the amount of air supplied to the diffuser is set. The more air is supplied, the more oxygen needs gasoline for combustion, and the greater the power released in the form of heat. The energy of the heat is further converted into a mechanical.
• The membrane pump pumps the required amount of gasoline.
• Next, gasoline passes through the engine fitting.
• Fuel passes through a retractable and exhaust valve.
• Fuel is filtered using a mesh filter.
• Through the needle valve, it also enters the camera with the membrane.

The stages of the carburetor is as follows.

• Air enters the pipeline with an air conditioning. The damper sets the desired air flow intensity.
• The diffuser is narrowed in the node of the gasoline bumping. this is necessary to give a higher air flow rate.
• Fuel passes through the bastard compartment and passes the jet, falls into this narrowing of the tube. The float compartment doses the supply of gasoline. In this compartment, the pressure is in a state of equilibrium. In a narrowed tube, it decreases. Due to the difference in both values ​​of pressure gasoline and passes through the jetler.
• Accelerated stream sprays gasoline, converting it into aerosol pairs. The resulting gas-air mixture is ready for a rowing in the combustion chamber.
• Having passed through the fuel pipeline, this mixture is in the cylinder of the carburetor.

Conclusion: To set the required power, first of all, you will adjust the rate of combustion of fuel using an air damper. If the gap is too small, and the oxygen in such a mixture is less than 10%. the fuel does not burn, therefore, the engine will not start or immediately staller.

In the case of buying a Chinese trimmer for grass, it is worth considering that it differs little from European- the same 2- or 4-stroke engine and drive.

However, the quality of the details is saved, forcing the consumer to change them more often. Check what compatible details offer non.Chinese companies for your device.

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Increased fuel consumption and the rapid formation of soot on the candle mowing candle when using a properly prepared fuel mixture indicate the need to adjust the carburetor. It describes the configuration of trimmers with carburetors with one screw for adjusting the supply of fuel.