How to Insert the Chainsaw Starter Gear

How to put the starter on the chainsaw

The cause of malfunction of the chainsaw starter system can be:

  • Drive pulley. This part is exposed to high axial and radial loads, so it is recommended to inspect the pulley for damage and cracks on the back of the housing before starting work. If necessary repair the part or replace it with a new one.
  • Spring mechanism. If it has lost its properties or there are cracks or breaks in it, it is necessary to replace this element. It is also recommended to inspect the attachment points for defects.
  • Rope starter system. Inspect the rope for wear and damage. If necessary, replace the part and install it on the pulley.

Diagnosing

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

  • Unscrew the fixing screws and remove the cover.
  • Remove the screw that secures the mechanism to the protective cover.
  • Smoothly start the starter by removing the spring and clamps from the starter.
  • To inspect for wear and defects dismantle the coil with the cable.
  • Check the fuel system for the presence of water. If there is water inside the system, the fuel fluid must be replaced.
  • Inspect the power unit for overfilling with fuel fluid. In this case, you need to unscrew and dry the spark plug, pull the starter by removing the air damper.
  • Check the spark plug for spark.

See ” How to Make a Snowmobile and Other Homemade Products from the Druzhba Saw

Replacing the cord

The following tools will be needed to do the cord replacement:

Replacement of the starter cord is performed as follows:

  • It is necessary to unscrew the fixing screws that hold the side cover, using a screwdriver.
  • Then dismount the starter motor from the tool housing.
  • After that it is necessary to turn the cover and conduct an inspection.
  • Then remove the clamp and spring.
  • You should 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 one.
  • Then put the pulley in place and tie the cord to the knot. Install the clamp and spring.
  • After that, tighten the cover with the fixing screws.
  • Finally reassemble the starter and tighten the retaining screws.

Repair the spring

What to do when repairing the starter spring:

  • Remove the starter from the tool body.
  • Remove the protective cover.
  • Wind the cord around the end of the pulley to prevent the mechanism from spinning.
  • Insert the other end of the cord through the opening of the protective cover.
  • Extend the cord by 17-20 cm to check the pulley rotation of the spring mechanism.
  • Check the spring action after pulling and releasing the mechanism.
  • Unscrew the pulley circle from the side of the alternator by removing the 3 mounting bolts.
  • Remove the pulley and cord.
  • Check the condition of the parts for wear and damage and breaks. If the spring break is small, the defect can be repaired by welding.

How to put a spring

In order to install a new spring, proceed as follows:

Chainsaw Repair. Installing the Starter Kit (Poulan Part # 576744401)

  • Carefully remove the mechanism cage.
  • Inspect the inside of the cage that houses the spring mechanism near the C-piece.
  • Fix and tighten the upper part of the spring with your finger and pull aside the handle of the starter mechanism.
  • Remove the worn out mechanism and coil up a new spring. Avoid kinking or twisting the element.
  • Assemble a new spring mechanism. It is recommended to do this slowly so that the mechanism does not unwind.
  • Fill the spring and insert it into the starter mechanism.
  • Carefully secure the cage.

Breakdowns and repair of chain saw starter

To fix each of these faults with your own hands will require certain tools. Be sure to have a set of screwdrivers and a spare rope. Remove and inspect the chain saw starter in the following order:

  • To find the cause of the failure the starter with a chainsaw must be removed. To do this you need to unscrew the screws that hold the protective cover with the starter attached to it;
  • After removing the cover, it is necessary to carefully unscrew the screw by which the starter is attached to the protective cover;
  • Then you should try to smoothly start the starter. to do this, remove the spring and clips from it;
  • Next, the coil with the cable is removed from the starter for inspection.

As a result of the inspection you may find a number of typical faults. These include:

  • Various damages 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 the easy start. in such cases, not only the spring itself, but also the place of its fixation can be defective. this is the most vulnerable part of the spring;
  • The flywheel pawl on the starter is damaged.
insert, chainsaw, starter, gear

In either case, any defective part must be completely replaced with a new part.

chain saw starter repair

With frequent chain saw starts some starter motor parts are constantly exposed to dynamic loads. As a result, the cable may burst, a few teeth of the ratchet may get chipped, and the shaft. will rotate at a much slower speed. Therefore, the revision and even repair of the starter. operations carried out sometimes several times a season.

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Replacing the cord

As it is pulled, there is constant rubbing of the cord against the starter housing. To replace, take apart the body of the assembly, and carefully lift the ratchet drum so that the return spring does not come off its sockets. It is best to do this job with two people: one of them fixes the spring while the cable is being replaced. After the rope is fastened in the crank and in the grooves on the reel, the rope is wound around the reel and the housing is assembled.

The chain saw is designed with a starter motor that makes sure the engine starts correctly. Over time, chainsaw owners are faced with the need to repair this important assembly. And, the sooner the malfunction can be repaired, the less wear and tear will occur on other important parts and mechanisms of the tool.

How to put the spring on the chain saw starter?

To place the spring in the proper groove is quite a challenge. First of all, the part should be twisted back to its previous size. After that it must be inserted into the cavity of the original brake drum hub. To tuck the spring into the chain saw starter, you need to act in this order:

  • The outer end of the used spring must be fixed in the special limiting lug. In this case, the second end with a screwdriver will need to set against the standard hole inside the lock;
  • Next, the hinge located on the inner end of the standard spring should be aligned with the hole. For this it is better to use a screwdriver. With the ends aligned, the disk will need to be lowered;
  • After assembling the drive it is necessary to check that the ratchet dog of the chainsaw‘s original ratchet mechanism is in its original place. Then you can reassemble the ratchet in reverse order.

To wind the spring on the chainsaw starter, you need to consider all the available holes and notches. After installation it is necessary to tighten the spring. Once the slack has been eliminated, the spring will need to be wound up a few turns. this is necessary to maintain the required tension of the installed part.

Typical chain saw starter failure and repair

Before carrying out repairs, it is necessary to find out the causes of failure. Since the product is constantly exposed to dynamic and other kinds of loads, its failure is not excluded. The most common causes of starter motor failure are cable breakage, abrasion or chipping of a few splines of the crank drum, spring damage, cracked sheave, and others. To determine why the saw does not start, you will need to conduct a proper inspection of the starter mechanism. Let’s consider the main types of malfunctions, as well as find out how to properly repair the product.

Replacing the cord

The starter cord is a strong rope, which is sufficiently resistant to wear, but even its technical properties do not save it from damage. Each time you start the tool, the cord rubs against the body of the starter cover, which leads to its gradual fraying and wear.

If there was a chafing of the cord, then to replace it you will need to disassemble the body of the assembly. After removing the cover, you must raise the drum, but only in such a way that it does not jump out of its seats. It is recommended to do this work together with your partner, who will fix the spring and you will replace the cable. Remove the rest of the old cable and then install the new cable in the crank handle and the groove in the barrel. After that the cord should be wound onto the roller, and finally the body should be assembled.

Important to know! Before you fix the rope in the crank, you must thread it through the hole in the starter cover.

How to replace the chain saw starter rope

If the spring is damaged, which is often the case with Chinese tools, the mechanism can only be repaired by replacing it. But if its damage occurred in the place of connection, that is, the ear broke, then it can be repaired.

Repair of the spring is a heating of the place of destruction to 600 degrees, then slowly cool it down to 100 degrees, at which to perform the wrapping of the end in the form of a fragment. This avoids the loss of elasticity of the product, which prolongs its life. Although most specialists simply replace the product with a new one.

The process of replacing the spring is carried out in the following sequence:

  • First remove the cage or drum of the mechanism.
  • There is a spring inside the drum. To remove it, it is necessary to fix its upper part, and then pull aside the starter handle.
  • When the old spring is removed, a new one must be installed. At the same time it is necessary to carry out cleaning of the housing.
  • When installing the new spring it is necessary to put it in the starter and then catch the tendril in the groove.
  • At the end of the work you can put the drum and replace the starter cover.

The detailed process of replacing the spring is discussed at

Handwheel dog replacement

If it is necessary to perform the replacement of the handwheel tabs or taps, then it is also not difficult to do. You will need to remove the flywheel, and then remove the pawls. Install new dogs should be installed only those that were originally (plastic or metal). This is very important, since the replacement of plastic dogs on the metal, will lead to accelerated wear on the flywheel. The details of replacing the chain saw starter pins are discussed in the video below.

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It is important to note that you do not need to have special skills or experience to carry out a chainsaw starter repair. All work can be done independently if you treat the repair process with responsibility. Timely preventive maintenance of the chainsaw will avoid breakdowns when working in the field.

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How to put a spring on a chainsaw starter?

Putting the spring in the appropriate groove is quite a challenge. First twist the part and return it to its original size. After that it has to be inserted into the cavity of the original drum hub. To tuck the spring into the chainsaw starter, you need to act in this order:

  • It is necessary to fix the outer end of the used spring in a special limiting lug. At the same time, the second end with a screwdriver will need to set against the regular hole inside the lock;
  • Next, the loop located on the inner end of the standard spring should be aligned with the hole. For this it is better to use a screwdriver. With the ends aligned, the disc will need to be lowered;
  • After installing the disk you need to check that the dog of the chainsaw’s original ratchet mechanism fits into its original place. Then you can assemble the ratchet in reverse order.

To wind a spring on a chainsaw starter you need to consider all the available holes and recesses. After assembling it is necessary to tension the spring. Once the slack will be eliminated, the spring will remain to screw on a few turns. this is necessary to maintain the required tension of the installed part.

How to repair chain saw starter

Today we will consider problems with chain saw starter motor and we will fix them. This type of failure is not uncommon in heavy use of a chainsaw. And in our case at the logging site, this happens systematically.

I had a chance to repair starters from a gasoline-powered saw “Ural”, which we used to fell timber while working in the forestry. I was very young and I had to deal with the construction for the first time, by myself. The problem was caused by a broken “tongue” of the spring that is fixed in the barrel (housing).

I remember how I was covered in graphite grease (hands and face) trying to tame the “snake” (metal band), which “fell apart” in rings and did not want to be coiled))).I think, who assembled (twisted) the spring, remembers how the hands cramp from the constant resistance of the spring. Aggravated the repair and a metal cable.

Nevertheless, I successfully coped with the task, although it took me a lot of time and nerves. In chainsaws of world brands, the design is not so complicated and capricious.

So, the chain saw starter is designed to start the tool. On gearless saws it is located in the side cover on the flywheel side (left side of the tool). This is a purely mechanical principle of operation. But in order to properly and qualitatively perform the repair of the starter, it is necessary to understand the principle of its functionality (operation). I propose to consider this question thoroughly.

On top of the cover (body) of the starter is a handle in a special seating place. The handle is connected to the cord, which in turn is wound around the pulley and the end of the cord is secured to the pulley. When the operator (chainsaw user) pulls the handle up with a jerk, the cord unwinds along the pulley (spool), bringing it into a “centrifugal” state.

The pulley has in its construction (on the back side) a ratchet, a pinion with teeth rounded to one side. Tooth gear (ratchet) meshes with the “pawls” that are located on the crankshaft drum (flywheel). The crankshaft rotates, the fuel is compressed under the pressure of the piston and the head of the “engine.

Meanwhile, the operator lowers the crank, the return spring, which is attached to the spool (pulley), winds up the cord in the initial state (on the spool). meanwhile, the teeth of the ratchet slip over the handwheel “dogs”, eliminating contact with them, since they already rotate in the opposite direction.

I would remind you that the teeth of the ratchet have rounded to one side. this is the principle that allows you to meshing with the splines. “dogs” of the crankshaft. Turning in the opposite direction prevents the hooking of the “pawls”.

But as lumberjacks know, the pulley comes with a ratchet without the characteristic teeth. gears. These are classical chain saws, which have a ratchet that is either a steel “cup” of small diameter with side indentations (protrusions) or plastic analogues (claws).

For example, on the Stihl 361, the ratchet has “doggies”. It is these “notches”, “grips” or “pawls” that clutch to the splines on the shaft.

The principle of action of the splines “dogs”, I think, is clear. when the shaft is accelerated in rotation, the “dogs” skip over the ratchet.

How to Repair Rebuild or Fix Ski-Doo Recoil Starter Spring | Recoil Rope Replacement

Let’s take a look at the general diagram of the starter.

In addition, the starter comes with a damper spring, the so-called “easy start” Smart Start. chainsaw models with an “easy start” have the letter “e” prefixed to the numerals (for example, Husqvarna 340e).

However, there are models of professional chainsaws without the letter “e”, as they have no analogues without the presence of the SmartStart system. The starter cover, with the damper spring, looks more convex.

By the way, damper springs break quite a bit more often than the main spring.

While working on a shift we encountered a similar problem: the Husqvarna 340e “delimbing” machine had a busted spring (its Husqvarna 340 counterpart has no damper spring). And on the shift, every hour of road work, worked in a 10×4 pattern.

There was no way to replace and repair the failure. I had to saw off limbs periodically with a “horned” chainsaw and a bucking machine to avoid downtime of the tractor driver. The lopper had to take an axe.

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The next day we replaced the starter motor. we put the cover from a similar chainsaw (I don’t remember the model, but not “Husqvarna 340”), which had a design without damper spring. Of course, the cover didn’t fit completely, there was a gap at the top, but the seating fit.

However, it was the only option to solve the problem; there were no specialized stores in that backwater, except for the selp grocery store.

Signs of failure

So, you have a chain saw starter “broken”. If the cord is just broken, there is a malfunction and it should be replaced. Other typical signs of starter failure are as follows:

chain saw starter repair

The first thing you need to circle and remove the cover, to make a visual inspection. Failure of chain saw starter can be different. a broken spring, a defect in the pulley (“coil”), worn cord starting.

Next, prepare the tools for repair. these are screwdrivers and round pliers. In the case of a breakage you will need a new cord. I think that lumberjacks have a cord cord for the starter in stock. If there is no possibility of buying the factory cord, you can replace the “ponuzhalka” clothesline, picking up the appropriate diameter.

In case of a broken cord

We unscrew the starter motor mounting screw, take out the clamp and the damping spring, if it is present on your brand of chain saw. Dismantle pulley with cord, untie or cut cord knot, remove it. Since the cord is torn, the spring is discharged, and, in principle, you can not fear the spring falling out of the cover.

The cord is torn, the spring is unloaded, you do not have to worry about the spring falling out of the cap during disassembly.

Removing the torn cord fragment from the handle

We take a new cord, pick up the appropriate length (focusing on the length of the old torn cord), divide, melt the ends of the cord, so that they do not “run out”.

Why do you need a recoil starter?

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The electric starter is provided as the main starter. However, do not forget that if the battery malfunctions, you can not start the equipment with the help of an electric starter. This is what the manual version was designed for, as a backup.

A prime example of the use of a hand starter is in portable power plants. It is easier to use a manual starter on them, because it gives the opportunity to conveniently start the engine and operate the generator.

How to repair the starter on a chainsaw

The cause of malfunction of the chainsaw starting system can be:

  • Drive pulley. This part is subjected to high axial and radial loads, so it is advisable to inspect the pulley for damage and cracks on the back of the housing before starting work. If necessary, repair the part or replace it with a new one.
  • Spring mechanism. If it has lost its properties or there are cracks or breaks in it, it is necessary to replace this element. It is also recommended to inspect the attachment points for defects.
  • Rope starter system. You should inspect the rope for wear and damage. Replace the part if needed and mount it on a pulley.

Diagnose

Diagnose the starting system of the tool as follows:

  • The fixing screws are unscrewed and the cover is removed.
  • Unscrew the screw that attaches the mechanism to the protective cover.
  • Smoothly start the starter by removing the spring and clamps from it.
  • To inspect for wear and defects, dismantle the spool with the rope.
  • Check the fuel system for water in it. If there is water inside the system, the fuel fluid must be replaced.
  • Inspect the power unit for overfilling with fuel fluid. In this case, you need to unscrew and dry the spark plug, pull the starter, removing the air damper.
  • Check spark plug for spark.

See ” How to make a snowmobile and other homemade Druzhba chain saw

insert, chainsaw, starter, gear

Replacing the cord

In order to make a cord replacement, the following tools will be required:

To replace the starter cord proceed as follows:

  • It is necessary to unscrew the fastening screws that hold the side cover, using a screwdriver.
  • Then remove the starter from the tool body.
  • After that, it is necessary to rotate the cover and make an inspection.
  • Then remove the clamp and spring.
  • It is necessary to untie the knot on the rope.
  • Pull out the pulley, on which the cord is wound. Remove the cord and replace it with a new one.
  • Then put the pulley back in place and tie the cord into a knot. Install the clamp and spring.
  • Then screw the cover back on using the fixing screws.
  • Then reassemble the starter motor and fasten the lacing screws.

Repair the spring

Procedure for repairing the starter system spring:

  • Remove the starter motor from the tool housing.
  • Remove the protective cover.
  • Wrap the cord around the end of the pulley to avoid cranking the mechanism.
  • Insert the other end of the cord through the opening of the cover.
  • Pull the cord out 17-20 cm to check that the pulley of the spring mechanism is turning.
  • Check the spring action after pulling and releasing the mechanism.
  • Unscrew the pulley circle from the side of the alternator by removing the 3 mounting bolts.
  • Remove the pulley and cord.
  • Check the condition of the parts for wear and damage and breaks. If the spring break is small, the defect can be repaired by welding.

How to put a spring

In order to install a new spring, proceed as follows:

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