How To Assemble A Stihl Chainsaw Starter

Chainsaw starter device

Don’t know how to put a starter on a chainsaw? Start small and consider the design features of this functional piece. What is its main goal? She is responsible for the easy start of the engine of the unit, the start of the device. It doesn’t matter what the quality of the chainsaw is, sooner or later you will have to adjust the starter, and possibly carry out repairs.

How To Assemble A Stihl Chainsaw Starter

In some cases, this important unit must be replaced. This can happen even when the operator uses a professional chainsaw, adhering to the manufacturer’s recommendations for its operation and maintenance. Remember that the better you know the chainsaw starter device, the more chances you will notice a minor malfunction on time and return the tool to working condition as soon as possible.

Repair of the launch mechanism

When inspecting the disassembled starter, it is necessary to inspect the following parts (assemblies) for damage:

Chainsaw starter cord replacement

  • Drive pulley. A pulley subject to high axial and radial loads should NOT be cracked or damaged on the rear side. If any, it is required to replace it with a new part.
  • Starter spring. It is the spring that experiences the main loads when starting the chainsaw. Made of high quality carbon steel and specially heat treated, it loses its properties over time. If cracks or tears are found, a new spring will need to be installed.
  • Launch rope. Made of synthetic, durable materials, the cord wears out over time. If it bursts, you need to install a new rope on the pulley.

Purchased spare parts Must comply with the regulations of a particular chainsaw model.

After the repair work, it is necessary to assemble the starting mechanism in the reverse order. The ratchet pulley fits over the spring. To the final fixation of the chainsaw starter cover, it is necessary to wrap the rope and make a few test jerks.

It must be remembered that the starter cord is previously threaded through the hole in the cover.

Replacing the flywheel dogs

If it is necessary to replace the dogs or flywheel responses, then this is also not difficult to do. To do this, you need to dismantle the flywheel, and then remove the pawls. Install new dogs only those that were originally (plastic or metal). This is very important, since replacing plastic pawls with metal ones will lead to accelerated wear of the flywheel. Details of replacing the chainsaw starter dogs are discussed below.

It is important to note that it is not necessary to have special skills or experience to repair the chainsaw starter. All work can be done independently if you take the repair process with full responsibility. Timely maintenance of the chainsaw will allow you to avoid the occurrence of breakdowns when working in the field.

How to put a spring on a chainsaw starter?

Positioning the spring in the Corresponding groove is quite a difficult task. First of all, the part will need to be twisted, returned to its previous dimensions. After that, it must be inserted into the cavity of the standard drum hub. To fill the spring in the chainsaw starter, you need to proceed in this order:

  • The outer end of the spring used must be fixed in a specially limited protruding. In this case, the second end with a screwdriver will need to be installed opposite the standard hole inside the lock;
  • Next, the loop located at the inner end of the standard spring should be aligned with the hole. It is best to use a screwdriver for this. When the ends are aligned, the disc will need to be lowered;
  • After mounting the disc, you need to check that the dog of the factory ratchet mechanism of the chainsaw is in its regular place. Then you can assemble the ratchet in reverse order.

To wind the spring on the chainsaw starter, you need to take into account all the holes and notches available. After installation, you will need to tighten the spring. As soon as the slack is eliminated, the spring will remain inflated for several turns. this is necessary to maintain the required tension of the installed part.

How to repair a starter?

As soon as you diagnosed the cause of the chainsaw breakdown, you found a damaged starter part that did not cope with the intense and dynamic load, you can start repairing.

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Chainsaw starter

The starter is one of the most fundamental mechanisms in the device of any modern chainsaw. It is on him that the engine start of the tool depends on all weather conditions. The chainsaw starter stands out for its simple design, it is easy to maintain and repair it yourself. However, in order to eliminate the breakdown, you must first find its cause. To do this, most often it is required to completely disassemble the standard mechanism.

How to put the spring

In order to install a new spring, you must perform the following steps:

  • Carefully remove the mechanism clip.
  • Inspect the inside of the cage, in which the spring mechanism is located near the C-shaped element.
  • Lock and tighten the top of the spring with your finger and pull the starter handle to the side.
  • Remove the worn mechanism and wind up a new spring. Bends and twists of the element should be avoided.
  • 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.
  • Secure the clip carefully.

How to replace the chainsaw starter spring

If the spring is damaged, which often happens on Chinese instruments, then the mechanism can be repaired only by replacing it. But if its damage occurred at the point of attachment, that is, the ear burst, then it can be repaired.

Repair of the spring is heating the place of destruction to 600 degrees, after which it slowly cools it down to 100 degrees, at which the end is wrapped in the shape of fragments. Thus, it will be possible to avoid loss of elasticity of the product, which will extend its service life. Although most specialists simply replace the product with a new one.

The spring replacement process is carried out in the following sequence:

  • Initially, the clip or drum of the mechanism is removed.
  • There is a spring inside the drum. To dismantle it, you will need to fix its upper part, then pull the starter handle aside.
  • When the old spring is removed, you will need to install a new one. In this case, it is imperative to clean the case.
  • When installing a new spring, insert it into the starter, then get the Usyk into the groove.
  • At the end of the work, you can put on the drum and replace the starter cover.

Detailed Spring Replacement Process Reviewed at:

Device

The chainsaw starter device includes the following elements:

  • Ignition system screw;
  • Return spring;
  • Starting system coil;
  • Deflector;
  • Cap;
  • Magneto;
  • Drum;
  • Spark plug;
  • The electronic unit;
  • Wiring;
  • Power button;
  • Handle and cable.

The main parameters of the chainsaw start system:

  • Power. from 2000 to 2500 W;
  • The maximum number of revolutions per minute. 3000;
  • Weight. 0.5 kg.

After pressing the power button, the flywheel begins to rotate along with the magnet, which is located on it.

An electromotive force appears in the system. The resulting current is converted into electrical signals with the help of an electronic unit, which are transmitted to the driving elements. A spark is formed, which provokes the ignition of the fuel-air mixture.

How to repair a chainsaw starter with your own hands

If difficulties arise during starting the tool, power has disappeared or there are malfunctions in the fuel supply system, then it is necessary to repair the chainsaw starter with your own hands or return the tool to service.

Chainsaw starter: DIY tool work and repair

A quick start of any chainsaw is NOT complete without a starter. During the operation of the tool, due to the accelerated cranking of the crankshaft, the fuel-air mixture is fed into the engine, compressed and ignited. Based on this, a well-chosen starter for a chainsaw is able to guarantee a long and trouble-free operation of the entire mechanism.!

How to put a spring on a chainsaw starter?

Even an experienced craftsman finds it difficult to place the starter spring in the required groove. First of all, the spring is folded into its original diameter, after which it is placed inside the cavity of the drum hub. The outer end of the spring is placed opposite the hole in the lock. you can use the hole for this! The outer end is positioned along the bounded protrusion. Using the same screwdriver, the hinge on the side of the inner end of the spring is aligned with the hole. The disc is lowered, after which its rotation is checked, as well as whether the pawl of the ratchet mechanism has risen correctly. The ratchet is being assembled.

After successfully replacing the spring, adjust its tension. For this purpose, the cable is inserted on a circle into the groove, where the return spring is twisted onto it. Absorbed the slack more correctly when winding the spring, it will make an additional couple of turns, thus ensuring the necessary tension of the part.

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How to put the spring

In order to install a new spring, you must perform the following steps:

  • Carefully remove the mechanism clip.
  • Inspect the inside of the cage, in which the spring mechanism is located near the C-shaped element.
  • Lock and tighten the top of the spring with your finger and pull the starter handle to the side.
  • Remove the worn mechanism and wind up a new spring. Bends and twists of the element should be avoided.
  • 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.
  • Secure the clip carefully.

Chainsaw starter repair

In the course of frequent use, some components of the chainsaw may be subject to constant dynamic influences, due to which, for example, at the most inopportune moment, the cable may burst, the shaft will begin to turn at a much lower speed, or the ratchet teeth will crumble. Given this, the repair and revision of the chainsaw starter can be operations that are carried out even more than once during one working season.!

Typical breakdowns and repairs of the chainsaw starter

Before carrying out repairs, it is necessary to find out the reasons for the breakdown. Since the product is constantly subjected to dynamic and other types of loads, this does not exclude its failure. Frequent causes of starter breakdowns are: rope breakage, abrasion or chipping of several slots of the ratchet drum, damage to the spring, cracked pulley and others. To determine why the saw Fails to start, the starter mechanism will need to be revised accordingly. Consider the main types of faults, as well as find out how to properly repair the product.

Trying to repair the chainsaw starter with our own hands

The chainsaw is an indispensable tool Not only for the summer resident, but also during construction work. If you need to stock up on firewood for the winter, then going into the forest without a chainsaw does not make sense at all. With proper use of the tool, it can last a long time, but in any case, sooner or later, various types of malfunctions will arise. One of these malfunctions is a breakdown of the starter, as a result of which it becomes difficult to start the engine. In this situation, it is advisable to repair the chainsaw starter with your own hands. How to do this, we will find out in the material.

Chainsaw starter

Failure of the starter is a fairly common phenomenon that sooner or later many owners of chainsaws encounter. The starter is a simple mechanism designed to conveniently start an internal combustion engine. It consists of a body, a drive pulley, a metal spring and a cord of a certain diameter. The service life of the starter directly depends on the intensity of use of the chainsaw, as well as on compliance with the operating rules. If you store dust correctly, performing all the routine maintenance work on time, follow the rules for preparing and storing the fuel mixture, then the chainsaw will start up quickly and the load on the starter will be minimal.

Diagnostics

Diagnostics of the tool triggering system is carried out as follows:

  • Unscrew the mounting screws and remove the cover.
  • Unscrew the screw that attaches the mechanism to the protective cover.
  • Start the starter smoothly by removing the spring and clamps from it.
  • For inspection for wear and the presence of defects, dismantle the cable reel.
  • Check the fuel system for water. If there is water inside the system, then the fuel fluid must be replaced.
  • The power unit is inspected for overfilling with fuel liquid. In this case, you need to Unscrew and Dry the spark plug, pull the starter, dismantling the air damper.
  • Check the spark plug for a spark.

How to put a spring on a chainsaw starter?

Positioning the spring in the Corresponding groove is quite a difficult task. First of all, the part will need to be twisted, returned to its previous dimensions. After that, it must be inserted into the cavity of the standard drum hub. To fill the spring in the chainsaw starter, you need to proceed in this order:

  • The outer end of the spring used must be fixed in a specially limited protruding. In this case, the second end with a screwdriver will need to be installed opposite the standard hole inside the lock;
  • Next, the loop located at the inner end of the standard spring should be aligned with the hole. It is best to use a screwdriver for this. When the ends are aligned, the disc will need to be lowered;
  • After mounting the disc, you need to check that the dog of the factory ratchet mechanism of the chainsaw is in its regular place. Then you can assemble the ratchet in reverse order.
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To wind the spring on the chainsaw starter, you need to take into account all the holes and notches available. After installation, you will need to tighten the spring. As soon as the slack is eliminated, the spring will remain inflated for several turns. this is necessary to maintain the required tension of the installed part.

Chainsaw starter device

As standard, the chainsaw starter consists of a number of parts.

These include:

  • Coil;
  • Cable;
  • The frame to which the return spring is attached;
  • A pen.

A protective cover is installed on the floor of all starter elements. The original principle of operation of most triggers is also almost the same. In a specially groove in the body of the chainsaw there is a handle that holds the cable. With a sharp lift of the handle, the latter is understood. At this moment, the ratchet is triggered, which through the drum transfers the force to the second drum with splines located on the engine shaft.

When pulling out the standard cable, the chainsaw motor shaft begins to rotate, which leads to compression of the existing fuel mixture located at this time between the cylinder head and the standard piston.

With an increase in the volume of the internal combustion engine cylinder, the amount of consumed fuel mixture, which is required for its future ignition, also increases. Consequently, the operator of a powerful saw needs more jerking strokes than the owner of a low power tool. To increase the speed at which the drum returns to its original position, manufacturers of powerful chainsaws use elastic return springs.

Chainsaw starter

The starter is one of the most fundamental mechanisms in the device of any modern chainsaw. It is on him that the engine start of the tool depends on all weather conditions. The chainsaw starter stands out for its simple design, it is easy to maintain and repair it yourself. However, in order to eliminate the breakdown, you must first find its cause. To do this, most often it is required to completely disassemble the standard mechanism.

How to assemble a starter on a chainsaw?

After replacing the faulty elements of the starter, it is the turn of its reassembly. In this case, maximum accuracy must be observed, since the slightest discrepancy can lead to damage to the trigger. The assembly of the assembly should be performed in the following sequence:

  • The standard cable will need to be tucked into the factory hole of the reel. At the same time, the cord does not need to be wound;
  • Next, you need to insert the coil into its base place. At this stage, many beginners make a common mistake. There are 2 slots on the surface of the coil. One of them should get the regular hook of the coil spring. To do this, the coil will need to be installed in such a way that it fits snugly in its original place, and the existing hook hits exactly the slot. The correctness of installation must be checked by turning the coil in the direction of the clock hand until resistance appears;
  • Then you need to install a device for starting the chainsaw. In this case, the protrusion of the latter should be located in the recess of the installed coil;
  • After that, you need a screw and washer to fix the device;
  • Next, the other end of the cord must be tucked into a special outlet;
  • In the next step, you will need to thread the cable into the starting handle. To this end, you will need to tie a medium-sized knot at the end of the cord. If it is too small, then the cable will slip, which is why it will quickly wind up on the drum of the trigger mechanism;
  • Then you need to release the loop inside the starter. Immediately after this, you should start the rotation of the trigger in the direction of the clock hand. In this case, the cord does not need to be wound. Next, you need to fix the coil with your hand, and pull the loop out by the handle;
  • After that, you need to check the operation of the trigger;
  • If the unit is working properly, it remains to install it on the tool, and attach with three screws.

Starter repair is not a complicated procedure if you follow the correct procedure. As a rule, changing the cord will take NOT more than 20 minutes. The main thing is to correctly position the pulley and drum in relation to each other. Otherwise, the trigger will not work.