How to put a spring on a chainsaw. Restoration of the spring

Starter of a chainsaw: DIY repair

An indispensable tool for sawing firewood and rolling of trees is a chainsaw. Following the recommendations of the manufacturer and the implementation of the necessary preventive measures will ensure a long “life” of the unit. But even at the most reliable mechanism over time, problems arise, most of which can be eliminated with your own hands without the help of specialized centers. One of these malfunctions can be a chainsaw starter, the repair of which can be carried out independently, subject to a certain sequence of operations.

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Almost all leading manufacturers of chainsaws complete their products with starters of a similar principle of action. It is no coincidence that specialized stores offer universal designs of starters that are equally successful for both Stihl, Husqvarna, Makita chainsaws, and for Chinese semi.official fakes under the named brands. Only starters of domestic production (forester, Urals and a number of others) have some features only.

The principle of operation of the starter for the chainsaw is as follows. A handle is installed in the groove of the case, through which the cable is missed. If the handle is sharply lifted, the cable is stretched, and introduces the drum of a ratchet that transfers the movement to the drum with the slots provided for the shaft. In this case, the crankshaft makes several revolutions, and the working mixture in the space between the piston and the cylinder head is compressed. Accordingly, when lowering the handle, the contact between the ratchet and the slots is lost, and the shaft stops.

With an increase in the volume of the engine, the required amount of fuel-air mixture required for its subsequent ignition is also growing, so the number of jerks for the starting cable for large power saws increases. Therefore, in order to accelerate the return of the drum, baked return springs made of steels with high elastic properties are used.

The relief of the launch of the chainsaw is realized in the following ways:

  • Preliminary enrichment of the working mixture, for which there is a special damper in the design of the carburetor.
  • By installing an automatic decompression valve, which provides a decrease in the working pressure in the chainsaw cylinder.
  • By installing an additional spring, which during the movement of the cable facilitates the spinning of the crankshaft.
  • The presence in the design of some chainsaws (for example, Partner S, Maxcut, etc.) the primer. the pump that provides preliminary pumping of the fuel.

Typical breakdowns and repair of the chainsaw starter

To eliminate each of these malfunctions with your own hands, certain tools will be required. There must be a set of screwdrivers and a spare cable with you. You need to extract and inspect the starter for the chainsaw in the following order:

  • To find the cause of the breakdown, the starter from the chainsaw will need to be removed. To do this, unscrew the screws with a screwdriver with which the protective cover with the starter attached to it is held;
  • After removing the lid, it is necessary to gently unscrew the screw through which the starter is attached to the protective cover;
  • Then you need to try to smoothly start the starter. for this, remove the spring and clamps from it;
  • Next, a coil with a cable is removed from the starter for the inspection.

As a result of the inspection, you can find a number of typical malfunctions. These include:

  • Various damage to the pulley in the form of tears or cracks mainly in the back of the part. they interfere with the normal operation of the entire starter;
  • Damage to the starter spring of lightweight launch. in such cases, not only the spring itself can be faulty, but the place of its fixation is the most vulnerable part of the spring;
  • Damaged by the dog Starter flywheel.

In any case, any faulty part should be completely replaced by a new spare part.

Repair of the starter of the chainsaw

With frequent launches of the chainsaws, some starter details are constantly subjected to dynamic loads. As a result, a cable may burst, several teeth of the ratchet chill, and the shaft will turn out at a much lower speed. Therefore, the audit and even the repair of the starter. operations, sometimes carried out several times per season.

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Replacement of the cord

When it is pulled, there is a constant friction of the cable about the starter case. For replacement, disassemble the hull of the node, and carefully lift the rattles in such a way as not to allow jumping from their nests of the return spring. It is better to do such work together: the assistant fixes the spring, while the cable is replaced. After fixing the cable in the handle and in the grooves of the drum, the cable is wound on the roller, and the case is assembled.

In the design of the chainsaw, the starter is responsible for the working tool starting the engine. Over time, the owners of the chainsaw are faced with the need to repair this important unit. And, the sooner the malfunction can be eliminated, the less other important details and tool mechanisms succumb to wear.

How to fix a starter on a chainsaw

The reason for the malfunction of the launch system of the chainsaw may be:

  • Drive pulley. This part is subjected to high axial and radial loads, therefore, before starting work, it is recommended to inspect the pulley for damage and cracks on the back of the case. If necessary, repair the part or replace it with a new.
  • Spring mechanism. If he has lost his properties or there are cracks or breakthroughs on it, it is necessary to replace this element. It is also recommended to inspect the places for the presence of defects.
  • The rope of the launch system. The rope should be examined for wear and injuries. If necessary, replace the part and install it with the pulley.
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Diagnostics

Diagnosis of the tool launch system is carried out as follows:

  • Unscrew the fasteners and remove the lid.
  • Turn a screw that attaches the mechanism to the protective cover.
  • The starter smoothly launch, removing the spring and clamps from it.
  • For examination for wear and defects, a reel with a cable is dismantled.
  • Check the fuel system for water in it. If there is water inside the system, then the fuel fluid must be replaced.
  • Conduct an inspection of the power unit for overflow with fuel fluid. In this case, you need to unscrew and dry the spark plug, pull the starter, dismantling the air damper.
  • Check the spark of spark.

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Replacement of the cord

In order to replace the cord, the following tools will be required:

Replacing the launch cord is as follows:

  • You need to unscrew the fasteners that hold the side cover with a screwdriver.
  • Then dismantle the starter from the tool body.
  • After that, you need to turn the lid and conduct an inspection.
  • Then dismantle the clip and spring.
  • Untie the knot on the rope.
  • You need to pull out the pulley on which the cord is wound. Remove the cord and replace it with a new.
  • Then get the pulley in place and tie the rope on the knot. Set the clip and spring.
  • After that, tighten the lid using fasteners.
  • At the end, install the starter in place and fasten the fasteners.

Chainsaw clutch.how to replace the spring

Spring repair

The procedure for repairing the start of the launch system:

  • Dismantle the starter from the tool.
  • Remove the protective cover.
  • Wind the cord from the end of the pulley to avoid scrolling the mechanism.
  • Pass the second end of the cord in the hole of the protective cover.
  • Pull the cord 17-20 cm to check the turn of the pulley of the spring mechanism.
  • Check the operation of the spring after stretching and releasing the mechanism.
  • Unscrew the circle circle from the side of the generator, removing 3 fasteners.
  • Demolish the pulley and cord.
  • Check the condition of the parts for wear and the presence of damage and cliffs. If the cliff is small, then you can eliminate the defect by welding.

How to put a spring

In order to install a new spring, the following actions must be performed:

  • Gently extract the clip of mechanism.
  • Conduct an inspection of the inner part of the clip in which the spring mechanism is located near the C-shaped element.
  • Fix and pull the upper part of the spring with your finger and pull the launch mechanism to the side.
  • Extract a worn.out mechanism and wind a new spring. Excesses and twisting of the element should be avoided.
  • Collect a new spring mechanism. It is recommended to do this slowly so that the mechanism does not unwind.
  • Twine the spring and insert it into the starter mechanism.
  • Gently fix the clip.

In the design of the chainsaw, the starter is responsible for the working tool starting the engine

spring, chainsaw

Over time, the owners of the chainsaw are faced with the need to repair this important unit. And, the sooner the malfunction can be eliminated, the less other important details and tool mechanisms succumb to wear

The most common problems

The most common faults of the Husqvarna chainsaw include:

  • incorrectly adjusted carburetor;
  • ignition block malfunctions;
  • fuel block malfunctions;
  • unresolved adhesion mechanism;
  • oil system malfunctions;
  • Incorrect work of the starter.

These problems lead to the occurrence of a chainsaw in the work.

The saw does not start or stall after pressing the accelerator. Possible reasons are the starter breakdown (in this case it will not be repaired, but replaced by a new one), pollution or breakdown of the elements of the ignition system, a malfunction of the candles or coil. The candles are most often out of order. Another option is difficulty in supplying fuel, the most likely clogged fuel filter or pierced fuel hose from tank to carburetor. Blockage of the gas tank sapoon is possible.

Difficult to launch, the appearance of white smoke. The reason for these malfunctions is an incorrectly adjusted carburetor that supplies too little or too much fuel mixture, or prepares it in an incorrect proportion. A sign of this is white smoke from a motor compartment.

Scrolling the chain during operation of an idle. Causes of the malfunction: an unhealthy or failed clutch mechanism, an unresolved stroke at idle, air leaks in a carburetor or crankcase.

Problems with the lubrication of the saw chain. Expressed in the absence of lubrication or the output of the chain outward in the dirty state. The causes of this malfunction are different. a breakdown of the oil pump, blockages in the saapun (holes in the oil tank cover) with an oil channel or filter or a malfunction of the gear of an oil drive.

The device of the chainsaw starter

Almost all leading manufacturers of chainsaws complete their products with starters of a similar principle of action. It is no coincidence that specialized stores offer universal designs of starters, which are equally successfully suitable for STIHL chainsaws, Husqvarna

, Makita, and for Chinese semi.official fakes under the named brands. Only starters of domestic production (forester, Urals and a number of others) have some features only.

The principle of operation of the starter for the chainsaw is as follows. A handle is installed in the groove of the case, through which the cable is missed. If the handle is sharply lifted, the cable is stretched, and introduces the drum of a ratchet that transfers the movement to the drum with the slots provided for the shaft. In this case, the crankshaft makes several revolutions, and the working mixture in the space between the piston and the cylinder head is compressed. Accordingly, when lowering the handle, the contact between the ratchet and the slots is lost, and the shaft stops.

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Read Stihl 180 Carburetor adjustment

With an increase in the volume of the engine, the required amount of fuel-air mixture required for its subsequent ignition is also growing, so the number of jerks for the starting cable for large power saws increases. Therefore, in order to accelerate the return of the drum, baked return springs made of steels with high elastic properties are used.

The relief of the launch of the chainsaw is realized in the following ways:

  • Preliminary enrichment of the working mixture, for which there is a special damper in the design of the carburetor.
  • By installing an automatic decompression valve, which provides a decrease in the working pressure in the chainsaw cylinder.
  • By installing an additional spring, which during the movement of the cable facilitates the spinning of the crankshaft.
  • The presence in the design of some chainsaws (for example, Partner S, Maxcut, etc.) the primer. the pump that provides preliminary pumping of the fuel.

Device and principle of operation of the starter of the chainsaw

Most of the well.known manufacturers of chainsaws equip their products with starters working on almost the same principle. Its essence is as follows: a pen is located in the groove of the saw case, through which the cord is missed. With a sharp raising of the handle, the cord is also stretched, which leads to the cloth the drum, which is in the ratchet mechanism. Through this, a drum with spitz, which is located on the shaft. During this, the crankshaft makes a couple of revolutions, which leads to the compression of the fuel mixture, which at that moment is between the cylinder head and the piston. When lowering the handle, on the contrary, the ratchet and spitz lose their contact, which leads to the stop of the shaft.

With an increase in the power of the chainsaw, the amount of fuel mixture increases, which when the chainsaw is launched should be ignited. In this case, to start the engine, it is necessary to increase the number of jerks of the starter cord. To accelerate the return of the drum mechanism, manufacturers use a special steel return spring of the starter, which has excellent elasticity. To facilitate the launch of the chainsaw, leading brands use other methods:

  • Preliminary enrichment of the fuel mixture using a separate damper;
  • Installation of an automatic decompression valve, which provides a decrease in pressure inside the chainsaw cylinder;
  • Installation of a primer designed to pump fuel before starting the engine.

The use of one of these technologies greatly facilitates the launch and extends the life of the starter, which is especially clearly visible at low temperatures.

How to assemble a starter on a chainsaw?

After replacing the faulty elements of the starter, the turn of its reverse assembly comes. In this case, it is necessary to observe maximum accuracy, since the slightest discrepancy can lead to a breakdown of the starting mechanism. The assembly of the node should be performed in the following sequence:

  • The standard cable will need to be tucked into the factory hole of the coil. The cord, at the same time, does not need to be wrapped;
  • Next, you need to insert the coil to its base place. At this stage, many newcomers make a typical error. On the surface of the coil there are 2 slots. A full.time hook of a spiral spring should get into one of them. To do this, the coil will need to be installed in such a way that it rises tightly in its original place, and the existing hook hit exactly in the slot. The correct installation must be checked by scrolling the coil along the hour of the clock until the resistance appears;
  • Then you need to install the device of lightweight launch of the chainsaw. In this case, the ledge of the latter should be located in the seizure of the installed coil;
  • After that, you will need a screw and a washer to fix the device;
  • Next, the second end of the cord must be tucked into a special outlet;
  • At the next stage, you will need to refuel the cable into the launch handle. For this purpose, at the end of the cord, you will need to tie a medium.sized knot. If it is too small, then the cable will slip, which is why it will quickly wrap up on the drum of the starting mechanism;
  • Then you need to release the loop inside the starter. Immediately after this, the rotation of the starting mechanism during the watch arrow should begin. In this case, the cord does not need to be wrapped. Next, the coil will need to be fixed with your hand, and stretch the loop by the handle out;
  • After that, you need to check the operation of the starting mechanism;
  • If the knot works properly, it will remain to install it on the tool, and attach it with three screws.

Starter repair. the procedure is not complicated if you adhere to the correct procedure. As a rule, replacing the starter cord will take no more than 20 minutes. The main thing is to properly place the pulley and the drum in relation to each other. Otherwise, the trigger will not work.

How to put a starter on a chainsaw correctly

How to start a chainsaw: a couple of effective ways

Chainsaws are characterized by constructive features, but in most cases the assembly principle is carried out in accordance with two standard schemes. Many devices in the manual contain information about the need to turn on the emergency brake before the start of the turning on-off procedure.

First, it is necessary to master the installation of the plant and study the main methods of eliminating the failures, then a person will have the opportunity to fully control the device.

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Briefly about the installation of the plant

Chain saw works from. This is a simple device whose design does not have special bells and whistles. Usually it works normally even in harsh conditions.Feeling the factory to get acquainted with structural elements:

  • Carburetor engine (see. Carburetor adjustment).
  • Cliper clutch of centrifugal type.
  • Ignition system, almost contactless in all devices.
  • Carburetor that adds air to the fuel mixture.
  • Fuel system. Its standard device consists of a hose, a filter and a gas cylinder, but sometimes it also has additional details.
  • Starter.
  • Tyr.
  • Chain (see. Oil for the chain).
  • Tension mechanism and chain brake (see., How to focus the chain).

Step-by-step instruction

With an activated brake, the assembly process occurs much slower, therefore it is also safe and convenient to turn on the gear without using brake equipment.

If a person is not confident in his knowledge and accuracy, then the brake should be activated the other way around. If the procedure is correct, the device does not start, the mechanism does not make dangerous for human actions.

1 diagram of the standard mechanism

  • Before starting benzoil, you need to move the damper, which acts as a control lever, to the bottom, compared to the optimal position. First click the button responsible for the gas supply. Only if this condition is fulfilled, you can normally move the damper to the lower stop.

Starter handle twitches again until the system starts. When the device begins to work actively, high speed becomes noticeable, since the throttle is at a high level. It should be remembered that sometimes chainsaws are delivered without a starter, then all actions are performed with this element.

In our rating, chainsaws in quality, you will find all the chainsaws with the optimal ratio of price and quality.

Our article will also help you make a choice in favor of a particular chainsaw brand.

spring, chainsaw

Basil is produced in Russia. Low price with sufficiently high quality.

2 diagrams of the standard mechanism

  • Ignition is included. To do this, transfer the toggle switch to the desired position or move the switch.
  • Usually you need to press on the ground for pumping more than two times. Gasoline is poured into it, after which it is necessary to press the device more than three times.
spring, chainsaw

You need to take the starter handle and tighten with sharp movements until the ignition process is heard. It is marked by the institution and almost instant off the engine of the engine. Then the flap should be assigned to the starting position, checking its reach to the stop.

Again, the starter handle twitches to the location of the device. Before conducting this action, you need to make sure that this particular method will help to get a chainsaw. Some devices have a new ignition system.

Repair of the starter of the chainsaw. With your own hands.

How to make a starter on a chainsaw yourself? How to bend a spring at a chainsaw starter? How to wind a spring

DIY chainsaw starter repair

Starter for a Chinese chainsaw 5 pieces link-

When the device constantly stops, you need to systematically restart it (see., What to do when a chainsaw stops when pressing for gas). After some time, the engine will gain an impulse and will be able to maintain active work without interruptions.

To obtain additional information cm.

If it does not work out

Когда все действия выполняются в соответствии с установленным порядком, и бензопила не начинает работать, тогда в ее механизме возникают сбои.

Usually common and easily eliminated problems, such as the lack of spark. The clogging of the filter passing through the air is the general causes of this phenomenon. To start a chainsaw, you will need to find the reason and take the necessary steps to eliminate it.

The rules must be observed, it is necessary to perform only the correct actions. If a person does not know what to do, a person does not need to make a rash. Dismantling the device is prohibited, especially with caution should be treated with a carburetor.

Do not spin the screws on it, as if its device caused a breakdown, then without professional equipment it is impossible to repair the chainsaw.

Lists the actions that must be performed in strict order. Only when moving from one activity to another can you determine the exact cause of the problem and quickly eliminate it without damaging other details. The algorithm of actions performed in case of failures in the creation of a chainsaw:

  • Firstly, this is enough for the device to remain. This is especially true for the saw that have been in operation recently. It is enough to wait no more than 10 minutes, since during this time the mechanism will cool, and in the absence of other cliffs, it will easily begin. Sometimes it happens that during the institution a candle is poured on the device. If this unpleasant property has occurred, then it is enough to wait a very short pause and repeat all the actions for the engine winding again.
  • The hull cover is unscrewed from the air filter removal device. The process of landing the device is performed in its absence. Sometimes the reason for the lack of ignition is filter pollution. If ignition has occurred without it, then this is precisely the reason. To eliminate these problems, it is enough to wash the filter under the run, warm water and soap, and then dry. You can also replace the old element with a new.
  • The spark plug is removed. There is a spark test. If it does not appear, you need to replace the old candle with a new. This usually helps, and a spark appears, but in some cases, and when the mixture is replaced, there is no spark.

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