The saw of the electric circuit twists but does not saw.

Breakage, chainsaw problems

Modern gasoline chain saw consists of certain mechanisms, on the serviceability and coordinated work of which the productivity and effectiveness of the instrument when sawing different types of wood depends. Each of the saw nodes stands out by its own life, after which the tool must be repaired. You can do this yourself, having previously studied common breakdowns and methods of eliminating them with your own hands.

The carburetor is one of the most important elements of the chainsaw, the main function of which is to enrich the fuel with air and instant supply of the finished mixture into the cylinder of the power unit.

The following signs are said about the malfunctions of the carburetor:

  • Problems with the launch of a gasoline saw. to turn on the motor it is required to make more efforts than usual;
  • unstable operation of the internal combustion engine in different modes. interruptions in the rotation of the motor at idle, as well as when switching to low and high speeds are noticeable;
  • A sharp increase in the volume of the consumed fuel. on average, the amount of fuel increases by 20-30%;
  • Increasing the amount of released gas outlets-gas volumes increase by 50-60%, and evaporations acquire dark blue, brown or black color.

The adjustment of the chainsaw should be performed on a fully working and stable engine. Before starting the setup, it will be necessary to rinse or replace the filter, check the integrity of the fuel tubes, and also make sure that there are no burrs and other damage on the surface of the cylinder and other details of the power unit of the chainsaw.

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In order to independently adjust the chain benzo tool in the device of its carburetor, steel spring.loaded screws are provided. Their number and marking depend on the brand manufacturer of the chainsaw.

The order of adjustment of the fuel unit for most chainsaws looks almost the same.

The algorithm of actions should be like this:

  • First, the saw needs to be drowned out and wait for the cooling of its internal combustion engine;
  • After that, all the screws available in the device of its carburetor must be twisted along the clock of the clock until it stops;
  • Then each of the screws must be turned on the fourth or fifth of the turnover in the opposite direction;
  • Next, you need to configure the operation of the power unit at low speeds. For this, the corresponding screw will need to start slowly turning in different directions. As soon as the motor becomes as quietly and stable as possible, the screw needs to be left;
  • To set up idle on a chainsaw. you need to pay attention to the chain. If it rotates on the tire, then it is necessary to find the position of the screw in which it will stand motionless;
  • At the end, it remains to set up the work of the internal combustion engine at high speeds. To do this, it will be necessary to connect the tachometer to the motor cylinder and start the rotation of the corresponding screw until the indicators on the scale of the device and the instructions in the operating instructions will match. For example, if the guide to the saw indicates that its maximum turns should be 12500 rpm, then the same number should be indicated on the tachometer scale during adjustment.

To check the operation of the chainsaw after configuration, it is necessary to drown it out and wait for complete cooling of the motor. After that, you need to start the engine and start to smoothly squeeze the accelerator lever. If at the same time the power unit is smoothly gaining momentum, then the saw adjustment was performed correctly.

Reasons why the chainsaw saws crookedly?

There are several common factors that worsen the balancing of the cutting headset of the saw and spoil the fishing line for the cutting trimmer.

  • Uneven independent sharpening of cutting teeth-quite often the chainsaw saws to the side due to violation of the sequence when sharpening the saw organ. According to the instructions in the instructions, the teeth should be pointed at the same distance. In case of violation of this rule, the teeth, which were more worn, wear out faster than them. As a result, the chain is noticeably moved away from the center, leaving behind a curve of a sloppy fishing line for a cutting trimmer;
  • The operation of the chain, the parameters of which do not correspond to the bus. each tire has its own characteristics, including the width of the groove. The possibility of installing the cutting body on the guide depends on it. If you install a chain with a 1.3 mm.width on a tire with a groove of 1.3 mm, then a gap of 0.2 mm will remain. It will lead to an uneven movement of the cutting headset along the saw canvas, as a result of which the chainsaws will saw crooked;
  • increased wear of the cutting teeth of the chain. if the chainsaw is taken aside. then this may indicate an excessive wear of the chain. To check the cutting organ, you need to remove it from the tire and examine the plane of its contact with the guide tire. If the cutting teeth are really worn out, then the chain needs to be replaced without trying to sharpen it.

The main reason for the accelerated wear of the chain may be uneven lubrication of the saw headset. If it works with interruptions, then the chain will be lubricated in parts. As a result of the teeth, which the oil does not enter, they will heat up and wear out faster.

The engine stalls

The engine started, but at idle or at a load of a chainsaw stalls stalls. In this case, the same actions should be performed most often that described above.

How to adjust the chainsaw depends on when the problems begin:

Stalls immediately after launch:

  • The fuel mixture is prepared incorrectly, there is too much oil in it, so the octane number of gasoline is less than it should be, so the chainsaw works only on the suction or immediately stalls.
  • Feast on the spark plug or the wrong gap between the candle and the wire.

He stalls and does not work at idle:

  • The muffler clogged. It is necessary to clean from soot.
  • The settings of the carburetor were lost. It is required to adjust the idle on the chainsaw. It is performed using adjusting bolts that label L and H. How to adjust the idle passage, see the article about the adjustment of the carburetor.
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Stalls at maximum speeds and works only on leaks

  • Cut an air or fuel filter. You need to clean and check the seals.
  • The saapun is clogged and because of this does not come fuel and the pumping of gasoline on the chainsaw does not work. Take the needle and carefully clean the bacon.
  • Fault of the gasoline pump. Remove the pump and check if gasoline applies from it. If it oozes, replace the sealing gasket or the pump itself.

Basil does not saw under load and stalls

  • The air filter is clogged. You need to get a filter, clean or even rinse, dry and install it back.
  • Incorrect proportion. Drain the fuel and mix oil and gasoline in the correct proportion.

The engine “shoots” / “sneezes

If during work there are extraneous sounds similar to shots, then the problem with the silencer or carburetor. How to make a chainsaw work quietly? It depends on which unit in which node is.

The chainsaw shoots at the carburetor:

  • Too later the ignition is that the fuel mixture does not have time to burn out in the cylinder, so a sound that looks like a small explosion is obtained.
  • Donested fuel mixture. There is too little gasoline to the mixture. adjustment of the chainsaw is required, or rather nozzles, to increase the fuel supply. Why is the chainsaw he gasps itself. for the same reason.

The chainsaw shoots into the silencer:

  • Enriched fuel mixture. Reasons why the chainsaw “shoots”? There is too much gasoline and little air in the mixture, so the mixture does not completely burn out in the chamber and partially burned out in the muffler. Feast on the exhaust. a clear sign of this. It is necessary to clean the air filter or adjust the carburetor.

How to adjust the chainsaw?

The carburetor is one of the most important elements of the chainsaw, the main function of which is to enrich the fuel with air and instant supply of the finished mixture into the cylinder of the power unit.

The following signs are said about the malfunctions of the carburetor:

  • Problems with the launch of a gasoline saw. to turn on the motor it is required to make more efforts than usual;
  • unstable operation of the internal combustion engine in different modes. interruptions in the rotation of the motor at idle, as well as when switching to low and high speeds are noticeable;
  • A sharp increase in the volume of the consumed fuel. on average, the amount of fuel increases by 20-30%;
  • Increasing the amount of released gas outlets-gas volumes increase by 50-60%, and evaporations acquire dark blue, brown or black color.

The adjustment of the chainsaw should be performed on a fully working and stable engine. Before starting the setup, it will be necessary to rinse or replace the filter, check the integrity of the fuel tubes, and also make sure that there are no burrs and other damage on the surface of the cylinder and other details of the power unit of the chainsaw.

In order to independently adjust the chain benzo tool in the device of its carburetor, steel spring.loaded screws are provided. Their number and marking depend on the brand manufacturer of the chainsaw.

The order of adjustment of the fuel unit for most chainsaws looks almost the same.

The algorithm of actions should be like this:

  • First, the saw needs to be drowned out and wait for the cooling of its internal combustion engine;
  • After that, all the screws available in the device of its carburetor must be twisted along the clock of the clock until it stops;
  • Then each of the screws must be turned on the fourth or fifth of the turnover in the opposite direction;
  • Next, you need to configure the operation of the power unit at low speeds. For this, the corresponding screw will need to start slowly turning in different directions. As soon as the motor becomes as quietly and stable as possible, the screw needs to be left;
  • To set up idle on a chainsaw. you need to pay attention to the chain. If it rotates on the tire, then it is necessary to find the position of the screw in which it will stand motionless;
  • At the end, it remains to set up the work of the internal combustion engine at high speeds. To do this, it will be necessary to connect the tachometer to the motor cylinder and start the rotation of the corresponding screw until the indicators on the scale of the device and the instructions in the operating instructions will match. For example, if the guide to the saw indicates that its maximum turns should be 12500 rpm, then the same number should be indicated on the tachometer scale during adjustment.

To check the operation of the chainsaw after configuration, it is necessary to drown it out and wait for complete cooling of the motor. After that, you need to start the engine and start to smoothly squeeze the accelerator lever. If at the same time the power unit is smoothly gaining momentum, then the saw adjustment was performed correctly.

Lubricated chain problems

For normal operation, the chain should be in a lubricant everywhere in order to lower friction between the bus and links, also prevent early wear of links.

  • If the chain is not lubricated on the chainsaw, it means a disorder with an oil pump-the oil is not supplied due to clogging of the channel. Lack of lubrication is the reason why the chain is stretched or why the chain is torn. Clean the channels, small particles of the chips and score them everywhere. Can also break the oil hose. If you need an adjustment of the oil pump or its repair, it is better to contact the service.
  • Permining the oil from the chain. Incorrectly selected lubrication. it is very watery, therefore, not so much lubricates the links as it pushes into a woody rock. Change the lubricant to a thicker.

He stalls and does not work at idle:

  • The muffler clogged. It is necessary to clean from the car.
  • Carburetor options were lost. It is required to adjust the idle on the chainsaw. It is produced using adjusting bolts with labeling l and h. How to adjust the idle passage, see the article about the adjustment of the carburetor.

How to Troubleshoot an Electric Motor and Adjust Centrifugal Switches

Basil does not hold idle speed

The problem is quite common. The most common reasons producing to swallows at starting and scrolling the chain:

  • Air and fuel filter clogged;
  • Low.quality fuel is used or the fuel mixture is incorrectly prepared;
  • Problems with the ignition module;
  • Settings of the carburetor unit do not correspond to the load level;
  • Deformation or rusting of motor nodes.
  • The fuel hose is thoroughly washed or replaced;
  • Aerofilter is cleaned from all pollution. The reusability of filters allows them to extract and clean them with detergents;
  • Fuel and oil is checked for quality. It is better to use the mixtures indicated by the manufacturer in the instructions;
  • Carburetor block and candles are tested.

Often the problem with only one detail. After it is eliminated, the unit can be actively operated again.

Millions of chainsaws are crookedly sawing from this. Top tire and chain

Crookedly from this. What to do if roller croaking. This is a kind of top fault

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If you see black carbon deposits or a lot of fuel, it is possible that the carburetor incorrectly regulates fuel supply.

Starting starts, but immediately stops, the problem is to search for a carburetor stream or fuel filter. Perhaps they are clogged.

To check if the partition is damaged, it is necessary to disconnect the fuel hose from the carburetor and see if the fuel mixture flows from it.

If the saw does not start hot, the problem can be in the muffler. Sometimes it clogs from exhaust gases.

Quite often the saw gap occurs due to a small amount of lubrication for the chain. This happens with clogged channels or leakage of the oil pipeline.

Also check the joints of the pipes with the butter of the oil pump, as they flow.

Very bad when a failure occurred in the cylinder. When checking it or chips, this can be the reason for the problem.

Why wears out

This is one of the questions that are asked by the owners of the chainsaw constantly. Reply to him is easy. Friction occurs on the surface of the headset, which is the cause of wear.

Getting on the rubbing surfaces of dust and dirt, enhances the wear of the details.

There is another urgent question: why the tire wears out premature? You can answer it if you study the design of the tire and the principle of operation of the lubricant system, which we will try to do.

The lubricant system begins with an oil tank, where the oil is refuel and then with the help of an oil pump is transmitted to the place of the tire of the tire of the tire with the chainsaw body. To adjust oil supply, the tool pump is equipped with a special screw. At the site of installation of the tire there is a special slot, which coincides with the hole for obtaining lubrication on the tire. The cause of premature wear may be insufficient lubrication of rubbing parts, which in turn occurs with the following faults.

  • excessive oil filter pollution (the first thing to pay attention to);
  • pollution of the oil supply channels on the headset or on the tool itself;
  • improper adjustment of oil supply by a pump;
  • malfunction of the pump itself;
  • the use of low.quality lubricants or oil does not meet the requirements of the manufacturer of the chainsaw.

To increase the service life, manufacturers recommend using special oils having high adhesion.

The choice of original oil for the chain is the choice of real men!

Due to this property, at high speeds of the circuit, the lubricant is distributed and retained on the entire bus, and not just on its upper part as in the case of conventional oils.

It is unacceptable to use as oil for lubrication of waste oil from a car engine. The development of metal impurities from the engine of cars, which falling between the rubbing details, act as an abrasive tool, and significantly increase wear.

Signs of breakdowns and independent repair of the chainsaw motor

One of the most frequent breakdowns of each chainsaw is the malfunction of its motor. Determine that the reason lies in this, is quite simple. Several signs may indicate this problem:

  • The chainsaw does not start;
  • The tool engine works unstable and very noisy;
  • The motor manages to start, but it constantly stalls;
  • The motor overheats very quickly;
  • Basopile only works on the suction;
  • The motor smokes strongly, and the power, while falling.

If you do not know how to make a chainsaw to work quietly, then, first of all, you will need to study its design. Only after that can you begin an independent repair of the tool.

To understand why the chainsaws are warming or working louder than the previous one, you will need to study the essence and cause of the breakdown. It is possible that no malfunction, in fact, is. For example, if when starting a chainsaw, its motor does not start, and you do not hear any strange sounds, it is quite possible that you keep it on the leak for too long. this is one of the main reasons why it floods the candle of the tool.

To avoid such errors, you should once again study the procedure for launching a chainsaw with a cold motor. The algorithm of action looks as follows:

  • Lower the throttle switch to the “closed” position;
  • Press the fuel to the carburetor several times several times;
  • Pull the starter handle until the resistance appears;
  • After I saw it and immediately stalled, translate the lever of the shutters into a position “openly”;
  • Start the chainsaw again and let it work a little at idle.

If this did not help, then you will need to inspect the spark plug. If you saw a large amount of oil on it, then the part needs to be twisted and dried. After that, you will need to dry the combustion chamber, screw the candle and try to start the saw again.

The serviceability of the candle itself can be checked as follows. First you need to connect a high.voltage wire to it, put the spare part on the cylinder and pull out the starter cable. At the same time, in no case do not grab the candle with your hands. If you notice the blue spark, then the candle is completely serviceable. Screw the part to the place in the chainsaw again and repeat the launch of the motor. If this did not help, then it is a queue to check the ignition system and wires connected to the candle.

If large fuel spots are noticeable on the candle, then you need to check the tool carburetor. If a thick layer of black soil has formed on the details, then the problem can lie in the use of poor.quality motor oil. quite often this serves as the reason why the chainsaw is filled with a candle. The product needs to be replaced, and the candle is thoroughly cleaned with a needle or awl.

When checking the candle, be sure to pay attention to the distance between the electrodes. it should be from 0.5 to 0.65 mm. Very often too much distance between electrodes is the reason why there is no spark.

The chain subsides

flies from the tire? There may be several reasons, and they are all different:

  • Worn.wheel drive or knowledge asterisk. Since the asterisk is worn out, adhesion to the chain decreases, which is why the chain flies away from the chainsaw. A stars are required.
  • The chain stretches. Why is the chain pulled on a chainsaw due to insufficient lubrication. The metal is heated and stretched even to a share of a millimeter, but if you take into account the number of links, then even 3-4 mm is enough for the chain to fly off the tire. The chain needs to be changed.
  • A chain tensioner that regulates its tension, loose. How to adjust the chainsaw, or rather the tension of the chain? The tensioner must be adjusted this can be done in just a few minutes.

Read is it possible to cut dry in plantings

Reasons why the chainsaw saws crookedly?

There are several common factors that worsen the balancing of the cutting headset of the saw and spoil the fishing line for the cutting trimmer.

    Uneven independent sharpening of cutting teeth-quite often the chainsaw saws to the side due to violation of the sequence when sharpening the saw organ. According to the instructions in the instructions, the teeth should be pointed at the same distance. In case of violation of this rule, the teeth, which were more worn, wear out faster than them. As a result, the chain is noticeably moved away from the center, leaving behind a curve of a sloppy fishing line for a cutting trimmer;

  • The operation of the chain, the parameters of which do not correspond to the bus. each tire has its own characteristics, including the width of the groove. The possibility of installing the cutting body on the guide depends on it. If you install a chain with a 1.3 mm.width on a tire with a groove of 1.3 mm, then a gap of 0.2 mm will remain. It will lead to an uneven movement of the cutting headset along the saw canvas, as a result of which the chainsaws will saw crooked;
  • increased wear of the cutting teeth of the chain. if the chainsaw is taken aside. then this may indicate an excessive wear of the chain. To check the cutting organ, you need to remove it from the tire and examine the plane of its contact with the guide tire. If the cutting teeth are really worn out, then the chain needs to be replaced without trying to sharpen it.

Elimination of the malfunctions of the chainsaw

Unfortunately, chainsaws, like other units, can fail. At least a little imaging how the saw works, you can eliminate most of the malfunctions with your own hands. The complexity of the repair is not so much in the work itself, but in the correct determination of the cause of the breakdown.

For example, if the saw does not start, there may be several reasons, so you should not immediately take it for disassembly. First analyze the reasons for the breakdown that are divided into 2 groups:

  • Malfunctions of the engine, ignition systems, fuel supply or exhaust. This also includes the cylinder malfunctions. the piston group.
  • Problems in the node of the lubrication system, the brake of the chain, clutch couplings or in the tire, as well as a number of other malfunctions.

Engine malfunction indicators

The malfunction of the engine can be judged by the following problems:

electric, circuit, does
  • it is impossible to start the engine;
  • The engine starts, but then immediately stalls;
  • The engine works unstable;
  • At idle, it works in normal mode, and when loading loses power or stalls.

All these problems can talk about failures in the ignition system.

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Checking the ignition system

The system checks should start with the inspection of the spark plug. Dry, she says that the fuel mixture did not get into the cylinder and that means the ignition in this case has nothing to do with. If the candle is too flooded with the fuel mixture, then the saw was launched incorrectly or the carburetor was incorrectly adjusted.

The candle is thoroughly wiped, then the fuel supply is blocked, the remaining fuel is removed, the chamber is ventilated and the starter is launched. Then they put the candle in place and the engine is launched again. Black Nar indicates that you used poor.quality oil, or the percentage of oil and gasoline is violated in the fuel mixture. The wrongly adjusted carburetor can serve. The candle should be washed and cleaned with a sharp awl or needle, clean the electrodes with a small skin and screw the candle into place.

When checking the candle, pay attention to the gap between its electrodes. Working limits are 0.5. 0.65 mm. If a sealing laying is worn or damaged in the candle, this can also serve as problems with the launch of the engine. You should check the candle and for the presence of a spark. To do this, the ignition cable is brought to it, then holding it with pliers with insulated handles, a candle with a thread or nut is applied to the cylinder. Pulling the starter’s cable, check if there is a spark. If it is not, then the candle is simply replaced. If a new candle does not give a spark, then the problem is in a high.voltage wire.

Elimination of problems in the fuel system

Fuel cannot get into the cylinder for several reasons:

  • Fuel filter pollution occurred. To eliminate the problem, they remove the fuel hose and watch how the fuel will flow. With a weak trickle, the fuel filter should be cleaned. Having taken it through the hole for pouring the fuel, the filter is cleaned, and with severe contamination, they are replaced with a new.
  • Sapun is clogged. a small hole in the tank cover. You need to remove the hose and clean the blockage with a needle.
  • The fuel ended or is not enough. The reason is the clogged air filter. The air does not enter the carburetor in the right volume, it turns out too enriched the fuel mixture, which violates the normal operation of the engine. The filter must be carefully removed, rinse, dry and put in place.
  • The carburetor is incorrectly adjusted. Since it is one of the main units of the engine, it is better to entrust the carburetor adjustment to the specialist. Independent setting can finally disable the engine.

Muffler of the chainsaw. disassembly and cleaning

When the engine at idle operates normally, and with an increase in the load stalls, perhaps the cause is a silencer. The sparking is clogged with fuel combustion products and prevents the normal exhaust. In this case, the muffler must be removed and cleaned from the carbon with the help of detergents, and then thoroughly dried. While the muffler is removed, the hole in the engine must be plugged with a clean rag. The reason for the clogging of the muffler may be an excess of oil in the fuel mixture, its poor quality or oil unit for two.stroke engines.

We check the performance of the cylinder. the piston group

Sometimes the engine does not work at full power or does not start at all due to insufficient pressure in the cylinder. The reason for this may be the wear of the cylinder, crankshaft bearings or the sinking of piston rings due to the wear of the piston. You can visually check the state of the CPH when removing the muffler, looking into the hole. Although the review will be quite limited, some idea of ​​the state of the cylinder-the piston system can be obtained.

In order to more accurately install in what condition is the CPG, you should install the compressometer in the candle hole, handle the starter manually or using an electric drill knee shaft. The pressure of the working saw should be within 8–9 atmospheres. At lower pressure, the engine power is reduced.

You can get a complete picture of the cylinder of the piston group by the engine if you completely disassemble the engine by disconnecting the crankcase from the cylinder and examining the piston. If there are chips or deep scratches on it, the piston should be replaced. If the surface of the cylinder is developed, it can be squandered.

The cause of the decreased compression may be the wear of the piston ring. In working condition, the ring is not covered with soot, in the groove of the piston is located freely and tightly pressed inside the cylinder.

The engine “shoots

If during work there are extraneous sounds similar to shots, then the problem with the silencer or carburetor. How to make a chainsaw work quietly? It depends on which unit in which node is.

Shoots at the carburetor:

  • Too later the ignition is that the fuel mixture does not have time to burn out in the cylinder, so a sound that looks like a small explosion is obtained.
  • Donested fuel mixture. There is too little gasoline to the mixture. adjustment of the chainsaw is required, or rather nozzles, to increase the fuel supply. Why is the chainsaw he gasps itself. for the same reason.

Shoots into the silencer:

  • Enriched fuel mixture. Why is the chainsaw “shooting”? There is too much gasoline and little air in the mixture, so the mixture does not completely burn out in the chamber and partially burned out in the muffler. Feast on the exhaust. a clear sign of this. It is necessary to clean the air filter or adjust the carburetor.

Electric saw does not twist the chain

If an electric saw does not twist a circuit, then the reasons can be like that:

If you do not clean the tire after work with a saw, then the accumulation of sawdust with butter in space near the star will lead to its jamming. Clean the entire space near the asterisk using thin wire and any penetrating fluid, for example, kerosene or WD-40.

Getting a chain on nails during operation, lack of lubrication, high load, without time to rest the device, rapidly reduces the working resource of the gears. Over time, the gearbox ceases to regularly fulfill its function. under the load, the chain will not spin. The solution would be to replace faulty parts of the mechanism.

The cost and repair of electric saws with a defect does not twist the chain

We have repeatedly eliminated the malfunction of the saw, the electric does not twist the chain and we know the reason for its occurrence. Below is a table of renovated devices.

Service
Diagnostics is free
Work 1500
Details In the table

Electric saw does not saw under load

The reasons that the electric saw does not saw under load can be:

The clutch cup failure is that the leading star spin separately from the shaft on which it is installed.

If when sawing often the chain or fell on nails, then the teeth of the six could break. Most often this happens with a led gear, as it is made of plastic.

The cost and repair of electric saws with a defect does not saw under load

We have repeatedly eliminated the malfunction of the saw, the electric does not saw under load and we know the reason for its occurrence. Below is a table of renovated devices.

Service
Diagnostics is free
Work 1500
Details In the table