The spark is missing on the benzotrimmer Patriot. Fuel system pollution

Why is a trimmer not starting for grass: searching for causes and their correct elimination

Owners of summer cottages and owners of country houses cannot do without the help of various equipment. In summer and autumn, the local territory is saved by a trimmer for grass. a simple technique that allows you to quickly cut the lawn, remove weeds, get rid of a small shrub. However, she often presents the owners with surprises: at the most crucial moment, the lawn mower cannot gain momentum, or is not at all included in the work. To fix the problem as quickly as possible, the owners need to find out why the trimmer is not started for grass. First you need to figure out what can lead to such a malfunction, accurately establish its culprit, and then eliminate the obstacle to your own.

Many trimmers owners are faced with a problem when the device simply does not start.

One of the reasons for this may be the lack of a spark. This usually happens when the fuel floods the light of the ignition. In addition, you need to check the candles for serviceability, as this can also lead to a lack of spark.

The first sign of a faulty candle is the presence of a short circuit between its contacts, and in short. there is no spark on the trimmer.

In addition, the candle is considered faulty if it is covered with a black wet layer.

Such a layer appears from the oil combustion chamber. In such a situation, you have two exits: either clean the candle as it should, or buy a new.

Sometimes it happens that the candles are clean, but at the same time, the problem can be in its isolation, which is often covered with a black dry soot.

The reason for this may be a weak spark, excessively low spark plug, low fuel quality, dirty air filter or prolonged work at idle.

Here the output is the same. clean the candle or replace it with a new. over, the candle should be replaced if the contacts are strongly worn out.

In the case when there is no spark on the trimmer, how to solve the problem you will be told by professionals for a hundred.

Sometimes, the problem can be with magneto. Magneto may become unusable due to the fact that you could pull the starter cord at the moment when the ignition was turned off, and the candle was not grounded for the mass.

Such actions can easily disable magneto. In such a situation, the only way out is to buy a new magneto.

In addition, the problem may be the ignition node. This option can be considered if the candle and wire do not have any malfunctions.

In such a situation, it is necessary to engage in the replacement of the ignition unit. It can be found attached using two screws to the engine cylinder.

To obtain free access to the node, it is necessary to remove the enclosing casing.

To correct the current situation, you will have to replace the entire node, because, as practice has shown, replacing individual parts gives insufficient result.

If there is no spark on the trimmer, it can only be fixed in one way. replace it.

over, sometimes the problem should be sought in the ignition coil. The absence of a spark can lead to the failure of the coil or a malfunction in the chain.

To check the flow of current into the primary winding of the coil, you can use the light bulb, which must be turned on instead of the coil.

Then you need to carefully examine the contacts of the interrupter. If a strong spark occurs at the time of opening between the contacts, you can be sure that the capacitor is broken.

In this case, you have only one option of further actions. replacing the capacitor.

These are the main reasons why there may be no spark on the trimmer.

Common causes of breakdowns

First of all, it is worth making sure of the simplest things: the presence and quality of fuel, the correct order of action.

Use only those fuels and lubricants that the manufacturer recommends. Gasoline with too high octane number is sometimes no less harmful than the 80th. The instruction has not been preserved? Universal can be called AI.95 with a car gas station with a good reputation.

Pour only suitable engine oil. In the vast majority of gasoline trimmers, the engine is 2-stroke, so ordinary car oil cannot be used. For a 4-stroke engine, the oil is poured separately from the fuel. over, it is not worth pouring “working out”. used, used oil.

Remember, the repair of the piston group will cost 30. 70% of the cost of the new motorcycle. Savings on the quality of combustible materials is unlikely to cover these expenses

Exactly observe the proportions of mixing gasoline and engine oil, do not lie “by eye”. For most motos, a ratio of 1:25 is recommended, that is, 40 ml of oil per liter of gasoline.

Do not cook a lot of mixtures at once: ideally it needs to be developed in 1 day and store equipment with a dry tank. The maximum shelf life of the finished mixture is 2 weeks, so more than 2 liters at a time it makes sense to mix only to utilities who cut the city lawns.

If you have not used a scythe for a long time, and there is gasoline in it, it is better to pour it out. The mixture has already been divided into fractions and lost its properties, even the most thorough mixing will not save it.

After making sure that the gas tank is in order, try to get a braid. For this you need:

• Switch fuel into the carburetor with a grain button 5-6 times.
• Close the air damper.
• Turn on the ignition on the handle.
• Pull the starter’s cord 1-7 times, until the launch.
• In 5.10 seconds disconnect the start system.

After downtime, if you can’t start the engine in the usual order, try to open the throttle and press the gas trigger. Without releasing the trigger, pull the starter cord.

A fully working trimmer for grass is started 1-2 times, even if the cord is calmly pulled, and not pull it as much as possible

It is also recommended to start a motor with a clamped gas handle if it has not yet cooled after the previous working cycle.

If the engine has not started on 5-7 jerks, it is worth looking for a breakdown.

Option. a problem in the ignition system

The first thing that suspicious falls is. the candle does not give out a spark, and therefore the fuel mixture does not ignite. Most often the problem is in the candle itself.

For verification, unscrew the spark plug from the cylinder, having previously disconnected the wire from it.

The thin layer of brown soot indicates the normal operation of the engine, red or pink soil. an abundance of fuel additives, change the gas station. If the element is covered with black or white scale, the engine worked incorrectly.

Wet candle indicates overflow, excessive pumping of fuel with a primer. In this case, the candle needs to be dried, but not to get. Pour excess gasoline from the cylinder, turning the motorcycle.

When cleaning, pay the greatest attention to that part of the upper electrode that is aimed at central contact, but do not zeal too much

Contacts of the dried candle should be cleaned of soot with the help of a suprafil, sandpaper or ladies’ file. The gap between them should be 0.7. 1 mm. this is the thickness of the standard coin. If necessary, bent the upper electrode.

Before assembly, it is worth checking the performance of the candle. Connect it to the power (put on the cap), attach the body to the cylinder or any metal part of the engine, turn on the ignition, pull the starter. At the end, between the electrodes, with each jerk, a bright, powerful spark should slip through.

It is very important to observe safety precautions. There should not be a drop of gasoline on the neck of the candle opening and the body of the motorcycle!

If after drying, cleaning and setting a sparking gap, buy a new candle. It happens that the spark does not appear on the new candle. In this case, check the quality of the contacts, try to replace the armored vehicle. this is inexpensive and simply.

If there is no spark with a new wire, you need to buy a new ignition coil. It happens that the cable is not disconnected from the coil, they are sold only in the collection. It is somewhat more difficult to replace it on your own, because you need to accurately set a gap of 0.25. 0.4 mm to the stemstone flywheel.

The normal gap corresponds to the thickness of the plastic bottle (cut a piece of measurement from it) or 4-5 layers of painting tape

Install a coil with a spacer, try on. Twist the starter: it must touch the spacers, but completely turn. Remove paper tape or plastic and finally collect the knot.

It happens that when checking, the candle gives out a small but stable spark, but the launch does not occur. After you tighten the candle into the cylinder, in a closed space, a weak spark may disappear. In such a situation, it is also worth replacing the coil: the new one will give out a more powerful impulse.

Option. you need to replace the filters

If there is a spark, but the braid for the grass is not started, the problem is most likely in the fuel supply. The easiest way to check the air and fuel filter. with this and start.

Testing their condition is quite simple: remove the filter elements and try to start the motor. If it turned out, you need replacement or at least cleaning.

The fuel filter can clog so much that its body will not be visible. Naturally, attempts to clean in this case are useless

Getting a fuel filter, do not accidentally disconnect the pipe of fuel from the highway. in some models it is possible

Check the filter

Another common reason why there is no starting trimmer for grass

The presence of clogging in the filter area. To confirm the assumption, it is enough to dismantle the indicated block and try to launch the device without it. If the trimmer engine starts up, you will most likely have to replace the air filter or at least carefully clean the old. If there is strong contamination on the surface of the filter element, you must use a new grid. Do not leave a suction pipe completely without a filter. Indeed, a rush in this case can lead to the need to repair the entire piston group of the engine.

Why is the ignition adjustment

In some cases, when the engine does not start, the ignition adjustment will be required. Of course, first you need to check the serviceability of a candle and a high.voltage cable with a cap.

It is necessary to adjust the ignition on a two.stroke engine in order to ensure timely ignition of fuel in the engine combustion chamber. Below is a scheme from which you can understand the principle of operation of the internal combustion engine.

The spark in the candle should appear at the time of compression of the fuel with a piston, when it does not reach the upper dead point (VMT) at least a little. Когда поршень проходит ВМТ, происходит возгорание топливной смеси, в результате чего поршень под действием энергии взрыва уходит вниз.

Therefore, if for some reason (mainly this is due to the shift of the flywheel to the shaft relative to its original position), the fuel fire occurs earlier than the piston passes, then it returns back, and the crankshaft scrolls in the opposite direction. Such a movement can damage the starter knot, cut off the launch cord, etc.D. In this case, an early ignition of fuel occurs.

There may also be a later ignition on the trimmer: the piston after compression of the fuel, which does not ignite, goes down, and at that moment a spark appears. In this case, the engine will either not start or significantly lose power and will be poorly gaining momentum.

But such problems with early or late ignition on two.stroke ICE are quite rare, since the flywheel with magnets is already established in the correct position, which is perfectly synchronized with the movement of the piston. In addition, the flywheel is fixed on the shaft using a key and nut. Therefore, the wrong installation of the part is excluded.

Basically, the ignition adjustment is to set the correct clearance between Magneto and the flywheel.

No spark on the trimmer |

Many trimmers owners are faced with a problem when the device simply does not start. One of the reasons for this may be the lack of a spark. This usually happens when the fuel floods the light of the ignition. In addition, you need to check the candles for serviceability, as this can also lead to a lack of spark.

The first sign of a faulty candle is the presence of a short circuit between its contacts, and in short. there is no spark on the trimmer. In addition, the candle is considered faulty if it is covered with a black wet layer.

Such a layer appears from the oil combustion chamber. In such a situation, you have two exits: either clean the candle as it should, or buy a new. Sometimes it happens that the candles are clean, but at the same time, the problem can be in its isolation, which is often covered with a black dry soot. The reason for this may be a weak spark, excessively low spark plug, low fuel quality, dirty air filter or prolonged work at idle. Here the output is the same. clean the candle or replace it with a new. over, the candle should be replaced if the contacts are strongly worn out.

In the case when there is no spark on the trimmer, how to solve the problem you will be told by professionals for a hundred. Sometimes, the problem can be with magneto. Magneto may become unusable due to the fact that you could pull the starter cord at the moment when the ignition was turned off, and the candle was not grounded for the mass. Such actions can easily disable magneto. In such a situation, the only way out is to buy a new magneto.

In addition, the problem may be the ignition node. This option can be considered if the candle and wire do not have any malfunctions. In such a situation, it is necessary to engage in the replacement of the ignition unit. It can be found attached using two screws to the engine cylinder. To obtain free access to the node, it is necessary to remove the enclosing casing. To correct the current situation, you will have to replace the entire node, because, as practice has shown, replacing individual parts gives insufficient result. If there is no spark on the trimmer, it can only be fixed in one way. replace it.

over, sometimes the problem should be sought in the ignition coil. The absence of a spark can lead to the failure of the coil or a malfunction in the chain. To check the flow of current into the primary winding of the coil, you can use the light bulb, which must be turned on instead of the coil. Then you need to carefully examine the contacts of the interrupter. If a strong spark occurs at the time of opening between the contacts, you can be sure that the capacitor is broken. In this case, you have only one option of further actions. replacing the capacitor.

These are the main reasons why there may be no spark on the trimmer.

Why is the ignition adjustment

In some cases, when the engine does not start, the ignition adjustment will be required. Of course, first you need to check the serviceability of a candle and a high.voltage cable with a cap.

It is necessary to adjust the ignition on a two.stroke engine in order to ensure timely ignition of fuel in the engine combustion chamber. Below is a scheme from which you can understand the principle of operation of the internal combustion engine.

The spark in the candle should appear at the time of compression of the fuel with a piston, when it does not reach the upper dead point (VMT) at least a little. Когда поршень проходит ВМТ, происходит возгорание топливной смеси, в результате чего поршень под действием энергии взрыва уходит вниз.

Therefore, if for some reason (mainly this is due to the shift of the flywheel to the shaft relative to its original position), the fuel fire occurs earlier than the piston passes, then it returns back, and the crankshaft scrolls in the opposite direction. Such a movement can damage the starter knot, cut off the launch cord, etc.D. In this case, an early ignition of fuel occurs.

There may also be a later ignition on the trimmer: the piston after compression of the fuel, which does not ignite, goes down, and at that moment a spark appears. In this case, the engine will either not start or significantly lose power and will be poorly gaining momentum.

But such problems with early or late ignition on two.stroke ICE are quite rare, since the flywheel with magnets is already established in the correct position, which is perfectly synchronized with the movement of the piston. In addition, the flywheel is fixed on the shaft using a key and nut. Therefore, the wrong installation of the part is excluded.

Basically, the ignition adjustment is to set the correct clearance between Magneto and the flywheel.

Prevention of the problem

Often, the breakdown of the ignition coils are associated with the closure or cliff of windings and mechanical damage to the magneto body. This is due to strong blows, fluid and oxidation, as well as overheating. If you avoid such incidents, you can not worry about the integrity of the ignition coil.

Important! To prevent regular failure, one of the most important components of the ignition system, you need to refuel high.quality fuel. Bad fuel spoils these details.

One of the nodes of Magneto, which regularly suffer when using, are high.voltage wires through which current from the ignition module enters the candles. They have a high service life, but the damage to them is caused by users by an inaccurate circulation when replacing candles, carefully pulling the wire itself, and not for the tip. Another problem that can happen to them is moisture and oxidation or damage to isolation. If you carefully pull out the candle and avoid the penetration of the liquid into the device, these problems can be avoided.

So, the repair of the ignition coil is not very complex and can be carried out by the user independently, but subject to the above procedure for disassembling and replacing the magneto or contacts of the interrupt.

Why do you need a good spark.

The quality of the spark determines its ability to ignite the properly formed air-fuel mixture in working conditions. A weak spark in high pressure and temperature in the combustion chamber cannot do this. The ignition occurs later or does not occur at all. There is uneven engine in the engine, the engine does not gain momentum, there is vibration, detonation, the starter can have the effect of the “rear impact”.

The insidiousness of such a breakdown is that the diagnosis below does not give one hundred percent confidence in the effectiveness of the ignition coil. Such an implicit breakdown when there is a spark, but this is not entirely correct, often misleads and makes you write off problems with the ignition coil with a malfunction of the carburetor.

Typical actions in such cases. this is. It turns out that the spark can ignite such a spark, but it does not have the right. But the use of an enriched mixture leads to the rapid wear of the cylinder.piston group and muffler. Therefore, in such controversial situations, check both the carburetor and the ignition reel.

The quality of the spark is determined by its ability to set fire to a correctly formed air-fuel mixture in working criteria. The initial settings of the consistency are carried out in the spark or as it is still called a breakdown of a breakdown from an electronic current pulse developed by the ignition coil. Here the place is actually instant heating of the molecules of gasoline and oxygen, from which factors they come into a chemical reaction reaction.

It is clear that any differences in the characteristics of the spark leads to incorrect work. There are many circumstances of such deviations. Common:

• Inolble in temperature, the operation of the ignition module: it works fine for a cool coil, heating stops working. Manifests itself in the usual work of the motor for cool, and refusal to warm. This is justified by the fact that the snuffs of the coils are diodes, transistors and capacitor. A malfunction at least any of these parts manifests itself only when warming up.
• faulty candle. We will not repeat here here. You will find the material in the web.
• bad contact, rust at the junction and a faulty switch to clarify here we will not
• duffed (transmitted, melted, etc.D.) high.voltage wire. Here, too, what remains to make our client understand

Diagnosis of malfunctions

, Why the lawn mower will absorb. can be systematized by the specifics of the work of individual nodes. The service center is systematized:

• Motor malfunction (piston wear, bearing malfunction, crankcase crack);
• Fuel consistency supply malfunction. clogged pores of air filtralibo malfunction of the carburetor;
• the ignition system does not work;
• A malfunction of a mechanical disposition. a leak of hoses, broken wires under a braid, rupture of the tubes.

The user first needs to check if there is a fuel in the tank. Starting in agreement with annotation, putting the saw on the side. Gasoline trimmer for grass; starts without problems. May not start. Set the air damper to the position “Closed”, pump up fuel, turn on the ignition and produce 3-4 sharp jerks by the starter. If the engine has earned, open the air damper. The lawn mower is not started

The lawn mower cannot work for a long time. Gearbox and engine will overheat. Mowing less than 15 = 20 minutes, taking a five.minute break. In hot noon, the operating time is reduced by half. When mowing weeds, sedgers, the working hours are required to reduce.

If you are unsuccessful, we begin to find the reason for the refusal:

• check the quality of fuel;
• make sure the operability of the candle and the cleanliness of the candle canal;
• check the cleanliness of the air filter;
• Make sure that the fuel filter is not clogged;
• Check the cleanliness of the bastard;
• Clean the exhaust channel.

complex reasons will be detected in the diagnosis of a malfunction, leading to the overhaul of the carburetor. Such reasons include clogging of the internal channels of the carburetor, wear on it gaskets and violation of the tightness of internal halls with a vacuum loss. The causes of gasoline breakdowns and why the gasoline trimmer for grass is not that the internal combustion engine does not start. DIY lawn mowing repair, if it does not start, will require patience.

The performance of the spark plugs

If there is a need to figure out why a trimmer for grass is not started, then the state of contacts of the installed candle should be checked. In this case, you can figure out why the lawn mowing engine does not occur. For high.quality diagnosis of the spark plug, you must definitely adhere to the following scheme:

• If during the dismantling it was found that the candle was wet, then in a small combustion chamber there is a certain part of the fuel, from which you do not need to rush to get rid of. To eliminate the problem, it is necessary to dry and carefully clean the contacts. After the manipulations done, you should carefully connect the candle. You need to turn on the ignition and without unnecessary efforts pull the starter handle. If the device is regular, then there will be a constant and bright spark. Otherwise, you have to replace the candle.
• The state of involved electrodes can be considered ideal when they have a characteristic dark brown fog. If the candle has a white or even black soot, as well as wet, then it must be immediately replaced.
• A trimmer for grass may not respond to launch due to the fact that there is too much gap between the contacts of the candle. To set the optimal gap, you need to use special multibody probes.

If, after all the manipulations done, the engine of the lawn mower did not start, then the cause of the malfunction must be sought in a carburetor or heat supply. Otherwise, you will have to check the serviceability of the involved high.voltage wire.

Not starting on a cold trimmer for grass. we eliminate the cause

On the cold.The reason is an air leak that does not allow fuel to download. In the camera.

After several jerks, he will start and stall, which is a normal phenomenon. What to do when the fuel was definitely normal, there is a spark, but a trimmer for grass does not start a gasoline? Putting the damper to the working position, start the tool again and start working.

Reasons why the lawn mower is not started

Many problems with benzotrimers arise due to improperly prepared fuel mixture. In two.stroke engines, lubrication is produced by special oil (not ordinary motor!) mixed with gasoline. If the oil is not mixed with gasoline, then the lawn mower will quickly fail. Oil/gasoline is mixed in the proportion indicated in the instructions of the trimmer for grass. This is usually 1:40 or 1:50.

Sometimes the question arises how much oil and gasoline contains a proportion of 1:50.

The numbers mean the following: fifty parts of gasoline are taken per part of the oil. Hence: 1000 ml (1 liter of gasoline) we divide by 50, we get 20 ml, that is, 1:50.

Thus, you can calculate the composition of the fuel mixture (gasoline/oil) in any proportions. To add oil to gasoline, not “on the eye”, you can take a medical syringe for 20 ml, dial oil into it and “inject” into the container for the preparation of the fuel mixture.

For the period of engine running (this is approximately the work of a trimmer for grass by 2-3 tanks) the amount of oil can be increased. Mix it with gasoline in a ratio of 30: 1.

Insufficient amount of oil mixed with gasoline leads to increased wear of the cylinder.piston group. An excess of oil in the mixture, although not so fatal, is also harmful. Cooking piston rings, rapid formation of soot in the combustion chamber, and a drop in engine power may occur. The mesh screen of the muffler is closed. Therefore, some users of our site (after the end of the warranty period for a trimmer for grass) recommend solemnly melt for the last time and dismantle it.

Gasoline used in motorcycles. AI 92. The brand of gasoline is accurately prescribed in the operating instructions. Do not try to “force” the engine, filling the 95th gasoline into it. This can lead to overheating, unstable and poor work of a trimmer for the grass, its failure.

It is not recommended to leave fuel in a trimmer tank for grass with a long break in operation. It is better to finish the working day by completely developing the entire mixture. If this is not done, then because gasoline from the engine will evaporate during the night, and the thin oil filter will remain, carburetor jacks may clog. This will cause difficulties in starting the engine the next day.

It is also necessary to observe safety precautions when storing fuel. Many pour gasoline into a plastic bottle of water. We will figure out whether to do so.

-In no case should you store gasoline in a plastic container from under the water. When mixing the fuel mixture, a static charge accumulates, you can “catch” the spark.

Therefore, at gas stations it is not allowed to refuel gasoline into plastic canists, only in metal. Before pouring gasoline in a metal canister, it is better to put it on the ground, so the statics from the case are removed and it will definitely not be “sparking”.

But there are situations when simple manipulations with a motorcycle do not help. The engine still does not start. In this case, “heavy artillery” is in progress. we are diagnosing the power and ignition system, guided by the rule “the motor does not work if there is nothing to burn or set fire to nothing”.

Electrical equipment is checked as follows:

• Twist a candle, Osmatrey gap between the electrodes. You can set the right gap between the electrodes in the “grandfather” way. Then we take the blade from the razor, break it in half and insert a home.made probe between the electrodes. If the blades enter tightly, then the gap is perfect.
• We put on a candle cap of a high.voltage wire and lean the candle against the metal surface of the engine. Twist several times by the starter. If there is a spark, it beats well at one point, then, even though the trimmer for the grass does not start, but the gap is adjusted as it should. If not, the spark is weak or “wanders”, then it is necessary to adjust the gap between the electrodes again.

Also, the ignition coil can be broken in electrical equipment. That is why the gasoline trimmer for the grass does not start or start and works with interruptions, and then immediately stalls, or “hot” does not start at all.

You can check the serviceability of the coil in the same way as when checking the spark: we unscrew the candle, lean it against the trimmer body for the grass. If there is no spark with a jerk of the starter, or it appears through time. you need to change the coil.

Vacuum carburetors are put on trimmers for grass. When disassembling it, cleaning or washing, you need to be extremely careful. in no case do not disassemble the lower part of the carburetor where the primer is located. Air filter (it is visible if you remove the protective casing from the carburetor) should be washed with detergents. Best. for washing dishes. After drying, put it back. Rinse the carburetor with clean gasoline and blow out all the holes by the pump. We also wash the filter of the gas pipeline, then we dry everything and collect everything. Usually, after all manipulations, a gasoline trimmer for grass, which worked poorly and just tried to stall, begins to start like a new.

Thin cable instead of fishing line, whether it is worth placing it on a motorcycle

This thought comes to mind almost everyone who had to pump out 10 acres overgrown with high grass. The idea does not seem so bad. The cable is stronger than the fishing line, not so wear out. However, not all so simple.

Replacing Magneto

To correctly purchase Magneto for replacement, you need to contact a specialized store or service center and name the brand and model of a trimmer for grass.

Advice! Another good decision will be the provision of an old ignition coil, according to which the seller will be able to choose a new part.

To remove the magneto, you need to remove the plastic casing from the trimmer for the grass. On different models of motorcycle, this process is different. It is usually necessary to unscrew the bolts, but on some benzotrimers it may be necessary to squeeze the latches. After that, access to the coil opens. To remove the part, you need to unscrew the holding fasteners and disconnect the wires.

When installing a new part, you need to correctly set the distance between the flywheel and magneto. To do this, you need to turn the flywheel with magnets up, install the coil and fix it, but the screws do not completely tighten, so that there is a short distance between the details. Further, between the coil and the flywheel, it is necessary to put a calendar, a business card or four.folded paper sheet of A4 format, you can also use a plastic strip cut out of the bottle. Such tricks will provide a suitable gap between the flywheel and magneto. A more competent solution will be the use of a special template, but it is impractical to purchase it for the sake of once. Next, you need to tighten the fasteners, remove the object between the details, and, holding the magneto with your hands so that it does not spin, tightly tighten the fixing screws. After that, you should crank the flywheel and make sure that it does not catch the coil anywhere. Now you need to connect the wires and insert the candle into the cap, and then check the operation of the device.

How the saapun affects the possibility of launching the gas mowing engine

Having excluded the malfunctions of the filters of the lawn mower, it is necessary to check the saapon. The cabin is called a detail that is responsible for the normalization of pressure in the tank. When the fuel gradually leaves the tank to the carburetor, then the pressure increases (the vacuum is created). To discharge the vacuum inside the tank, a saapun is used. a kind of valve that is on the tank cover of the tool. This valve has a filtering element through which the air entering the tank is filtered.

Over time, the filter clogs, and becomes the reason for creating a vacuum in a gas tank. Trite, but in 30% of cases, a trimmer malfunction for grass in the form of the impossibility of starting it is associated with clogging the cabin. The trimmer’s saapun can be cleaned, and the operation of the tool can continue. Make sure that the cause of the trimmer’s malfunction for grass is precisely the sapun can be as follows:

• Wrap the gas tank cover
• If air is pulled when diluting, then it is already possible to assume with 100% confidence that a saepun has come out of order
• Twist the lid and start the engine of the lawn mower. If the trimmer for the grass starts, but after a while (when the amount of fuel in the tank is reduced) stalls, then it is necessary to clean the saepun

You can clean the bacon through a conventional sewing needle. Many do not even know about this important detail, so they often do not understand what to do when the mowing benzotrimer engine does not start. Answering the question of the influence of the saapun on launching the motor, I must say that it has a direct effect. Excessive pressure in the tank prevents the fuel supply to the carburetor, so the engine does not start.

The second is a carburetor

It is not necessary to disassemble the node right away, especially if the engine stalls after starting or does not hold idle. First try to change fuel, maybe an excess of oil. You can inject the cleaner air filter, let the motor “laugh” a little at maximum speeds.

Next, go in order. the air filter, the fuel filter (it can be outside and in the tank), the fuel pump button, the integrity of the hoses. Gas tank plug. the ventilation valve can be clogged, the motor simply does not pump gasoline. Get everything. and will work!

Be sure to look at the connection of the carburetor with the intake manifold! Elsey there sucks air and there is no tightness. eliminate!

The dosing needle hangs. the problem is also in some models. It is enough to push it down, or remove and polish it with a velvet.

You can pull the hose from the carburetor, see if the fuel is coming to it when pumping. It is clear that you often need to remove plastic casing for verification, break your fingers on the latch, but still sooner or later you will have to climb there.

Independent approach to eliminating problems

If you did everything as usual, starting a gas station, but it does not start, it is recommended to check the fuel tank. In the absence of gasoline, replenish the container to the desired level. If the mechanics for a long time was in the disabled mode, it is possible to disappear of gasoline vapor. For confidence that fuel has not lost chemical properties, it is advisable to drain the remains, pour the tank with fresh contents, try to start a technical tool again. When fuel and lubricants gets on the engine, ignition may occur

Therefore, the procedure must be done carefully. Look at the braids for clarifying optimally suitable fuel for this model

There are other factors affecting the violation of the functioning of the structure.

The main malfunctions of the coil

Users of the electrimmer and lawn mower often face a problem associated with a semi.automatic braid head. Coil malfunctions can be as follows:

The fishing line for the trimmer does not extend automatically

If, with a light blow, the trimmer coil button for grass on the ground is not lengthened for a trimmer, then the reasons for this may be the following.

Option 1. there was a snack, t.e. Squeezing the cord between turns. This problem usually appears if the user wound a fishing line for a trimmer to the coil unevenly, with the intersection of the turns, or wound it with insufficient tension. In the latter case, when the mowing head is rotated at large revolutions under the influence of centrifugal force, the cord begins to drag on, as a result of which the interitral clamping of the fishing line is possible. To eliminate the problem, you will have to disassemble the coil on the trimmer and rewind the cord correctly, that is, with even turns with good tension.

Option 2. too short ends protrude from the head. A fishing line for a trimmer may not exit when hitting the ground, if its ends sticking out of the head, insufficient length (short). In this case, the centrifugal force is not enough for the fishing line for the trimmer to stretch. Therefore, it is required to stop the unit (drown out the engine or turn off the ethletric trimmer for grass from the network) and pull the fishing line for the trimmer manually, after pressing the button.

Option 3. a fishing line for a trimmer was soldered inside a mowing head. This leads to the fact that the coil is stopped and does not spin when the button is pressed. Basically, this happens for several reasons: poor quality of the cord, overheating of the coil with prolonged operation of the unit, a fishing line on solid items.

• In the first case, the cord of third.party manufacturers can be made of low.quality and fusible materials that do not withstand the mechanical and temperature load. Therefore, preference should be given to “branded” fishing.
• But, if you still purchased a fishing line for a trimmer of unknown quality, and it is often soldered during operation, then you can follow the example of some users who, after refueling the cord, moisten it either with silicone grease (from the spray can) or mineral oil). This procedure greatly reduces the likelihood of soldering a fishing line among themselves.
• Also, a fishing line for a trimmer can sleep if during a mowing it hit a hard object (stone, fence, dry branch, etc.D.). As a result of this, it is slightly stretched and draws back into the head with high speed. The cord is heated from friction, and its turns are sticking together. The only thing that can be done to eliminate this malfunction is to open a trimmer coil for grass and rewind a fishing line for a trimmer.

The cord spontaneously lengthens

There are situations when a user of a trimmer for grass notices a very fast fishing line consumption. At the same time, he never hit the ground with a button to lengthen the fishing line. The reason that the fishing line for a trimmer spontaneously lengthens, cutting off a special knife on the casing of the device, may be the absence of a spring in a mowing head. Often beginner users of mowers, trying to charge a fishing line for a trimmer into a coil, forget to install a clamping spring in the head, or completely lose it when opening the lid, and in the future, they do not even suspect its existence.