How to disassemble the coil of the Huter grass trimmer

Varieties of benzotrimmers

  • power;
  • engine’s type;
  • cutting element;
  • handle configuration;
  • fuel filling method;
  • noise level.

Depending on the power, tools are of household, industrial, mixed, universal type. A separate type is brushcutters. They are the most powerful of all types of gasoline trimmers.

Grass trimmer coil device

Trimmer mowing heads come in a variety of designs, both simple and complex. The picture below shows an exploded view of a semi-automatic trimmer head from a Husqvarna (Husqvarna) brushcutter.

This type of head is present on most mowers and electric trimmers, such as STIHL (STIHL), Patriot (Patriot), Champion (Champion), Bosch (Bosch), Huter (Huter) and others. The device of the mowing head is quite simple. It includes the following details:

  • mowing head base;
  • button for semi-automatic cord feed;
  • bobbin (spool) into which the fishing line is tucked;
  • spring;
  • eyes. through them the line comes out;
  • trimmer head cover;
  • line (cord).

There are also simpler trim heads shown in the following photo.

All these attachments do not allow you to change the length of the line in a semi-automatic mode (after pressing a button). If the cord breaks, you have to stop the mower and change it manually.

How to remove the line from the grass trimmer. video

For maximum clarity, we suggest that you familiarize yourself with the video instructions. Izhmash lawn mower is taken as an example.

The final moment of the instructions

Usually, the process of changing the line on a particular model trimmer is popularly described in the accompanying documentation. Another question is that this documentation is often supplied in a foreign language, since the notorious lawn mowers for the most part are imported products.

Meanwhile, there is a much simpler, more economical and beneficial for human health and nature way. putting in order the lawns of an ordinary peasant scythe. Grass scythe blade:

  • does not “tear” the stems of grass,
  • does not uproot plants,
  • cuts neatly,

which is further accompanied by abundantly growing greens, and not the formation of dead wood as a result of the work of the grass trimmer.

How To Replace A Coil On A Stihl FS Trimmer / Weed Whacker. with Taryl

Why do you need a good spark.

The quality of the spark determines its ability to ignite a correctly formed air / fuel mixture within the operating criteria. A weak spark in terms of high pressure and temperature in the combustion chamber cannot do this. Ignition occurs later or does not occur at all. A bulge appears in the operation of the motor, the motor does not pick up speed, vibration, detonation appears, the effect of a “reverse shock” may appear in the starter.

The insidiousness of such a breakdown lies in the fact that the diagnostics using the methods given below does not give 100 percent confidence in the performance of the ignition coil. Such an implicit breakdown, when there seems to be a spark, but it is not entirely correct, is often misleading and forces to write off the difficulties with the ignition coil on a carburetor malfunction. The usual thing to do in such cases is to increase the fuel supply. It turns out that such a spark can set fire to the enriched mixture, but the correct one cannot. But the introduction of an enriched consistency leads to quick wear of the cylinder-piston group and the muffler. Therefore, in such controversial situations, check again both the carburetor and the ignition coil.

READ  How to Seal a Plastic Trimmer Tank

Line does not extend automatically

If the line does not lengthen when you lightly hit the grass trimmer button on the ground, the reasons may be as follows:.

Option 1. a bite has occurred, i.e. clamping the cord between turns. This problem usually appears if the user has been winding the line on the reel unevenly, with intersecting turns, or winding it with insufficient tension. In the latter case, when the mowing head rotates at high speeds under the influence of centrifugal force, the cord begins to tighten, as a result of which inter-turn clamping of the fishing line is possible. To fix the problem, you will have to disassemble the coil on the trimmer and rewind the cord correctly, that is, in even turns with good tension.

Option 2. too short ends protrude from the head. The line may not come out when hitting the ground if the ends sticking out of the head are not long enough (short). In this case, the centrifugal force is not enough to stretch the line. Therefore, it is required to stop the unit (turn off the engine or disconnect the electric grass trimmer from the mains) and pull the line manually, after pressing the button.

Option 3. the line is brazed inside the mowing head. This causes the coil to lock and not spin when the button is pressed. Basically, this happens for several reasons: poor cord quality, coil overheating during prolonged operation of the unit, line hitting hard objects.

  • In the first case, third-party cord can be made of low-quality and low-melting materials that cannot withstand mechanical and thermal stress. Therefore, you should give preference to “branded” lines.
  • But, if you nevertheless purchased a fishing line of unknown quality, and it is often soldered during operation, then you can follow the example of some users who, after filling the cord into the reel, wet it with either silicone grease (from a can) or mineral oil. This procedure greatly reduces the likelihood of soldering the turns of the fishing line together.
  • Also, the line can be soldered if it hits a hard object (stone, fence, dry branch, etc.) during mowing. As a result, it stretches slightly and is pulled back into the head at high speed. From friction, the cord heats up, and its turns stick together. The only thing that can be done to correct this problem is to open the reel of the grass trimmer and rewind the line.

The cord lengthens spontaneously

There are times when the user of the grass trimmer notices a very fast line flow. At the same time, he never hit the ground with a button to lengthen the line. The reason that the line spontaneously lengthens, being cut on a special knife on the casing of the device, may be the absence of a spring in the mowing head. Often novice users of mowers, trying to load the line into the reel, forget to install the pressure spring in the head, or completely lose it when opening the lid, and in the future, do not even know about its existence.

READ  How To Wind The Line On The Patriot Trimmer

Also, the line can be lengthened without using a button if the spring is loose. If checking the spring has confirmed this fact, then several washers must be placed under it in order to enhance its clamping properties.

How to remove the spool and replace the line

Trimmer owners, mostly beginners, find themselves in confusion, bordering on panic, when the need arises to change the cutter or line in the reel. Very often, when trying to unscrew the mowing head, users simply render it unusable, not suspecting that it is unscrewing in the opposite direction. To prevent this from happening, if you need to replace the tool, it is recommended that you read the step-by-step instructions below.

  • Switch off the brushcutter engine or power off the electric grass trimmer before threading the line into the spool to avoid injury from accidental starting rotation of the cutting tool.
  • Unscrew the attachment attached to the gearbox shaft. To do this, the shaft must be fixed by aligning the holes on the washer and on the axle, and inserting a metal rod or screwdriver into them.
  • Unscrew the nozzle. You should be aware that the thread on the shaft is left-handed. Therefore, turn the grass trimmer coil to the right, that is, clockwise.
  • Disassemble the mowing head. Most often, the head cover is attached to the clips. To remove it, you will need to sink these latches into the case, pressing the edges of the cover. If your trimmer has a semi-automatic mowing head with a button on the bottom, then the disassembly of the attachment should be done carefully, since you can lose the spring, which sometimes flies out when the cover is removed.
  • Cut off the required amount of line. Usually its length is 5 meters. Use a cord of the same diameter as indicated in the instructions for the tool. It is not recommended to exceed the maximum line diameter as this will result in increased engine load and higher gas mileage.
  • Find the midpoint of the line by folding it in half. You will have a loop.
  • Special grooves are cut inside the coil (there may be holes). Insert a loop of line into this groove.
  • Wind the line around the spool by turning it counterclockwise. It is necessary to fill in the cord as evenly as possible, the turns should lie down without overlapping and with good tension. When the winding is finished, leave free ends of the line about 20 cm long and fix them in the grooves on the sides of the reel.
  • Assemble the mowing head. Be sure to insert the spring and washer (if equipped) before final assembly of the accessory. Place the spool in the body and thread the ends of the cord through the holes or lugs.
  • Put on the cover and secure it with the latches.
  • Screw the adapter back onto the gearbox shaft, also securing it with a screwdriver. You will need to twist the grass trimmer coil to the left (counter-clockwise).
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Major coil malfunctions

Electric trimmer and lawn mower users often face a problem with a semi-automatic mowing head. Coil malfunctions can be as follows:

  • the line does not lengthen automatically;
  • the cord spontaneously comes out of the reel.
disassemble, coil, huter, grass

DIY grass trimmer coil repair

The grass trimmer, whether petrol or electric, is the only solution for mowing grass in tight spaces that a wheeled lawnmower cannot handle. As a cutting tool in trimmers, metal knives or a special line are used, which is tucked into the coil of the grass trimmer. But, unfortunately, trimmer heads become unusable over time during operation. Some malfunctions can be eliminated by hand, and some require a complete replacement of the mowing head.

Trimmer Repair. Replacing the Ignition Coil (Ryobi Part # 850080001)

Grass trimmer coil device

Trimmer mowing heads come in a variety of designs, both simple and complex. The picture below shows an exploded view of a semi-automatic trimmer head from a Husqvarna (Husqvarna) brushcutter.

This type of head is present on most mowers and electric trimmers, such as STIHL (STIHL), Patriot (Patriot), Champion (Champion), Bosch (Bosch), Huter (Huter) and others. The device of the mowing head is quite simple. It includes the following details:

  • mowing head base;
  • button for semi-automatic cord feed;
  • bobbin (spool) into which the fishing line is tucked;
  • spring;
  • eyes. through them the line comes out;
  • trimmer head cover;
  • line (cord).

There are also simpler trim heads shown in the following photo.

All these attachments do not allow you to change the length of the line in a semi-automatic mode (after pressing a button). If the cord breaks, you have to stop the mower and change it manually.

Is it possible to make a coil for a grass trimmer with your own hands

  • Take a piece of plywood or PCB and draw a circle about 14 cm in diameter on it.
  • Cut the disc with a jigsaw or metal hacksaw.
  • Drill a hole in the center of the disc that matches the diameter of the gearbox shaft. Do not forget to put a washer on it before installing the disc on the shaft.
  • Small corners can be screwed on the edges of the disc or 1-2 holes can be made on opposite sides. They will serve for refueling the fishing line in them.
  • Several screws can be screwed into the plywood to fix the line.

This homemade mowing head is secured to the shaft with a nut. It will not work to tighten or unscrew the nut without fixing the shaft. To replace the cord, it will be enough to loosen the screws, insert a piece of line of the required length and press it again.

Also, the mowing attachment for attaching the fishing line to it can be made of metal sheet. How to do this can be understood from the following video.

disassemble, coil, huter, grass