How to tuck lines into your STIHL petrol grass trimmer?

STIHL petrol grass trimmer how to refill your line for your trimmer. Changing lines in your trimmer (lawnmower)

The thickness of polyethylene thread depends on the model of equipment and varies from 1.2 to 4 mm. It can be:

  • with a round section. it is the strongest material for mowing grassy plants;
  • With a shaped section. used for mowing soft plants;
  • Twisted. used for thin grass;
  • professional type, not suitable for all models of equipment.

To change the line for the trimmer on the lawnmower, you need to buy a cutting thread, which will be ideal for one or another type of mower.

You can soak the thread in a basin of water for a few minutes to increase elasticity and strength.

The design of the line in a mower

The design of the element, on which the kapron thread is wound, is very simple. This element is called the spool. It has two “tracks”. an upper and a lower. Between these tracks there is a special partition with a notch. On these tracks the line for the trimmer is wound. It must first be pulled through the notch.

To remove the spool without obstacles, you need to unscrew the special button, located on the body of the mower.

Features of the application of trimmers

grass trimmer, mowing grass with a fishing line, can be used near: houses and other buildings, fences and hedges, trees and shrubs, beds and flower beds, row-spacing on the garden plot.

Such a convenient, and most importantly, effective device as a trimmer for grass, there are several variations:

As is clear from the names, the types of grass trimmers differ markedly from one another. But regardless of the type of this tool, its cutting element can be a line for the trimmer. Of course, the grass trimmer line threaded into the grass trimmer reel is not endless. And sooner or later it will be necessary to replace it with a new one.

Consumption of fishing line directly depends on the frequency of use of the device and the scale of the work performed. The more grass is cut and the more often it is trimmed with the grass trimmer, the more active the trimmer line is used. And, accordingly, the sooner it will run out. This raises the question: how to tuck the line for the trimmer into the grass trimmer reel?

Not everyone knows the answer to this question. And after all, the winding of fishing line on the spool plays an important role in the work of the grass trimmer. In order for the device to function properly, it is very important to properly wind a new line for the trimmer on the spool. On how to change the line for the trimmer on the trimmer, and will be discussed in this article.

Which line to choose for your trimmer

Before you stock up on this material for reeling in the grass trimmer, you need to decide on the choice of. After all, the usual so-called circular trimmer line is not the only type that exists. So how to choose the most suitable? First of all, you need to determine the working conditions.

Choosing by type. Line for trimmer with a round section is the most common. It fits on all spools with very few exceptions. This type of expendable material is suitable for mowing fresh, juicy grass. But to mow so-called “dead wood” such species can not cope any more. It is useless to speak about attempts to mow bushes with this thread.

In addition to the usual type there are others with sharp edges. They are usually made in “star” or “square” patterns. The presence of sharp edges is the main feature and the key difference between these threads.

Precisely because of this feature, these types of threads are able to mow dry weeds. But sharp-edged threads are not without disadvantages, the main of which can be called a rapid deterioration and strength, which is noticeably inferior to the circular type.

Besides already mentioned types of lines, there are also interesting and often encountered varieties. Particularly noteworthy among them are fishing lines, inside of which there is a metal wire. This type of filament is often used in gasoline-powered tools that have an engine with more than one and a half horsepower.

Metallic core yarns are available in both round and sharp edged versions. Regardless of the section type, such filaments are the best for overcoming plants that are hard to mow. Not only dry grass, but also small shrubs can be mowed with ease in this type of thread.

Filaments with wire inside compare favorably to other types of consumables by their incredible durability. But unfortunately, this feature has more than a noticeable effect on the price of this type. The cost of filaments with a core is much higher than the cost of other types of filaments.

Choosing by thickness

In addition, you should pay special attention to the thickness of the consumable. For mowing young grass, a thread with a diameter in the range of one and a half millimeters is suitable. The larger the diameter of the thread, the drier and coarser the weeds it can handle.

There is a “but” when choosing the thickness of the line. It’s important not just to evaluate the material’s capabilities, but also to consider the features of your grass trimmer. It is necessary to look in the user’s manual, which comes with the tool, and find information about the requirements for the cutting element.

Using the wrong filament can cause the tool to malfunction. Using too thick a thread will overload the engine of the device. And using too thin a thread will cause more wear and tear on the cutting mechanism than anything else.

That is why you should choose the consumable as responsibly as you do the thread in the grass trimmer. When a suitable line for the trimmer has been found and purchased, you can proceed to consider the ways of winding it on the spool.

Arrangement of a fishing line in a mower

The design of the element on which the kapron thread is wound is very simple. This element is called the reel. There are two “tracks” in it. the upper and the lower one. Between these tracks there is a special partition with a notch. The line for the trimmer is wound on these tracks. Previously, it must be pulled through the notch.

To be able to pull out the spool without obstacles, it is necessary to unscrew the special button, which is located on the body of the mower.

The above-mentioned unit can be made by your own efforts, and this article will tell you how to construct a lawn mower from a grass trimmer with your own hands.

Replacement instructions. how to insert a line for a trimmer

It should be noted that the reels in mowers can be different:

  • To function with one tendril;
  • For functioning with two tendrils;
  • The line for the trimmer must be threaded through the through hole, which is located inside the element.

And you should not confuse this detail with an extension cord for a lawnmower on a spool, because despite the similar name it is two completely different elements.

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In the first version, winding the cutting element is very simple:

  • On the inside of the bobbin element there is a fixing lug.
  • One tendril of thread is inserted into it.
  • The capron thread must be spooled in the opposite direction to the rotation of the spool piece.
  • You only need 2 to 4 meters of fishing line. When the coiling is finished, the small end of this cutting element is exposed and put it in the groove, which is necessary to fix the line so it doesn’t unravel while the mower is working.
  • If there is no special groove, then the end should be held by hand, so that the cutting element does not unscrew during further collection of the element.
  • The last step is to pass the outer end of the thread through a special hole located on the outside of the element. After this, the spool can be inserted into the mower.

Changing the line

When the roller works with two ends of polyethylene thread, then you need to do the following steps to tuck the line for the trimmer into the lawnmower:

  • The inside of the spool will show how many notches there are for winding (two or one). If there is only one groove, then both ends of the line will run through the groove. If there are two, then the tendrils are laid out separately. each in its own notch.
  • Coil two to four meters of plastic thread and insert both ends through the hole.
  • Wind both threads in the same direction, opposite to the rotation of the reel.
  • When all the trimmer fishing line is wound, the ends should be secured in the grooves or held by hand.
  • Both ends are threaded through the lug on the outside of the roller body.
  • After that the drum is assembled and inserted into the mower.

To insert the line for the trimmer into the lawnmower, in which the spool contains two grooves, it is necessary to use the previous version of threading this polyethylene thread. In this case, each end of the line will be wound on its own groove. All other actions are similar to the previous process.

The spool element or reel can be of a completely different design than the previous two options. The line for the trimmer can be threaded through the ear, which is through and inside the spool. In this case there is no need to disassemble the roller drum and wind up the polyethylene thread manually.

Polyethylene thread is put through the hole and rotated by pressing a special button. This button is located on the body and is designed to operate the technique, so that it is possible to release the line for the trimmer as it wears out.

Rules and Recommendations

Do not worry that the polyethylene thread will wind the wrong way, as it can only twist in one direction in this design.

Winding the fishing line

Threading a fishing line into the grass trimmer reel is a relatively simple procedure, provided you follow a certain algorithm. When you need to determine how many meters of consumable material are enough, wind it on the bobbin so that the coil does not exceed the diameter of the curbs. Once you’ve decided on the length of the cord, follow these instructions:

  • Fold the material in half so that one end of the fishing line is 10-15 cm longer than the other.
  • Charging should begin with the center curb, which divides the grass trimmer bobbin into 2 parts. Find the groove where the cord should be inserted. Bend the last one in half.
  • Determine in which direction you need to wind the line for the trimmer. To do this, look closely at the bobbin, which may have an arrow or inscription. It indicates the winding side. If there are no markings on the spool, look at the arrow on the mowing head. wind it in the opposite direction.
  • The consumable should be wound carefully, coil to coil. Try to maintain the maximum thread tension.
  • When you’ve finished laying the cord, secure the short end of the material first. To do this, insert it into the groove on the side of the spool that fits the diameter. The second end (longer), attach in the groove on the other side of the grass trimmer bobbin.
  • After securing the line for the trimmer, cut the ends. Remember to leave a seam allowance of about 10 cm.
  • Install the threaded spool to the mowing head of the device. To do this, alternately insert and pull the thread into the output holes of the head, so that you can then place the bobbin of the device into the skin.
  • After applying the required force, pull the cord out of the fixing grooves and tighten the material. Once this action is complete, put on the cover and secure it with the latches.

You can also wind the cord on a grass trimmer in another way, which charges two pieces of material instead of one. The replacement is done as follows:

Replacement Rules

There are rules for replacing the cutting line, following which the work will be done quickly and correctly:

  • The filament must be wound in the direction indicated by the arrow on the spool.
  • Each coil fits snugly against the lower level and adjacent coil.
  • There should be no slack or entanglement in the line. If this happens, there will be a knot that will block the cord feed. The motor will rotate the shaft idly, causing the motor to overheat or break.
  • Before tucking the trimmer line into the grass trimmer, calculate the length of the section. Add 15 cm at each end to the calculated length. These tips will fix the line for the trimmer and the special grooves.
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Fix the remaining ends of the cord on special grooves. An arrow at the top indicates the direction of rotation of the spool

Detailed description of how to tuck the line for trimmer into the grass trimmer reel on video

The process of winding the line on the grass trimmer reel is not complicated, but requires care. Any amateur gardener can cope with the task.

How to wind the line for trimmer on the grass trimmer reel. Gasoline grass trimmers for villas and grass

Alexander V. Sarychev. forensic construction-technical expert, candidate of technical sciences

The final point of the instruction

Usually the process of line replacement on the trimmer of a particular model is popularly described in the accompanying documentation. Another issue is that this documentation often comes in a foreign language, as the notorious lawnmowers in the mass. products of imported.

Meanwhile, there is a much simpler, more economical and healthy for human and nature way. tidying up the lawn with an ordinary peasant mower. The blade of the grass trimmer:

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

Closing point in the instruction

Usually, the process of replacing the line on the trimmer of a particular model is popularly described by the accompanying documentation. Another issue is that this documentation often comes in a foreign language, as the notorious lawn mowers in the mass. imported products.

Meanwhile, there is a much simpler, more economical and healthy for human and environmental health. tidying up lawns with an ordinary peasant scythe. The blade of the grass scythe:

which is followed by an abundance of green, not dead wood like grass trimmers.

The line for the trimmer. varieties and the possibility of replacing with another material

Cord for grass trimmer can be different diameters (from 1,2 to 4 mm), and you need to choose it depending on what vegetation you want to mow. the thicker the line for trimmer, the more coarse grass it can handle. Experienced users recommend putting a line for the trimmer with a thickness of 2 mm, which is universal.

The line can be round (for lush grass) or with sharp square or star-shaped edges (for mowing dry grass). The second type is less durable and wears out faster than round cord.

One of the popular questions about the operation of trimmers is whether the special mower cord can be replaced with other materials, such as metal or steel cables and strings, wire, etc.д. You need to know that the installation of such items is not recommended, because together with them, the grass trimmer becomes a dangerous technique. As you mow, pieces of wire or metal will continually break off and fly off in different directions, risking injury to your person. And if you accidentally touch your limbs while mowing, you can get seriously injured.

Owners of trimmers, wondering whether you can use fishing line for trimmer, we answer. it is allowed, but it will tear and wear out much faster, and therefore require frequent replacement.

Tip! Fishing line for the trimmer is well suited for harvesting grass near the fence or metal mesh. instead of wasting expensive trimmer cord, you can charge a tackle of large caliber (2-3 mm), which costs much cheaper.

Safety instruction

In order to quickly and safely replace the line on the mower spool, you need to follow safety procedures. Before removing the spool to wind the fishing line for the trimmer on the lawnmower, you must disconnect the technique from the power supply (if the mower runs on electricity). Here we want to mention the rating of electric lawn mowers on reliability, which will help you choose a safe helper.

Another important safety rule to follow is to press the lock button. You can find out its location on the equipment by referring to the instruction manual. For example, you can find manual gasoline lawnmower instructions here.

Do not forget that the cutting element should be adjusted. There is an adjustment button on the body of the machine. If the process does not start automatically and the thread tension is loosened, then the button is clamped and the trimmer line is pulled with force from the spool.

It’s important to remember that changing the filament in your lawn trimmer is an important process that requires responsibility. It’s necessary to perform everything step by step, and only a special polyethylene line for trimmer should be inserted into the reel. An iron cord, some kind of high quality wire or even reinforced fishing line for your trimmer won’t do.

How to Change the Bobbin Case of a STIHL Grass Trimmer

trimmer for the grass, whether it is gasoline or electronic, is the only true solution for mowing grass in inaccessible places, with whom can not cope wheel mower. In the role of cutting tools in trimmers used iron knives or a special line for trimmer, which is tucked into the trimmer blade for grass. But unfortunately trimmer heads over time become worthless over time. Some of the faults of course remove at home, and some require a complete change of mowing head.

Mowing heads for trimmers come in different designs. both conventional and complex. The picture below shows an automatic trimmer head from the trimmer Husqvarna (Husqvarna) in a disassembled form.

This type of head is included in the majority of gasoline mowers and electric trimmers, such as STIHL (STIHL), Patriot (Patriot), Champion (Favorit), Bosch (Bosch), Huter (Huter) and others. The design of the mowing head is quite common. It includes the following parts:

  • The base of the mowing head;
  • button for automatic filament feeding;
  • bobbin (spool), where the line for the trimmer is tucked in;
  • spring;
  • eyelets. through them the line for the trimmer comes out;
  • trimmer head cover;
  • Trimmer line (cord).

There are also more ordinary trimmer heads, shown in the following photo.

tuck, lines, your, stihl

These attachments do not allow you to change the length of the line automatically (after pushing a button). If the cord breaks, you have to stop the mower and change it manually.

Users of electric trimmers and lawnmowers often encounter problems with the automatic mowing head. Faults on the spool can be subsequent:

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  • Take a piece of plywood on another textolite and draw a circle around him about 14 cm.
  • Cut out the disk with a jigsaw or metal saw.
  • Drill a hole in the center of the disk, suitable in cross-section to the gear shaft. Another thing to think about before installing the disc on the shaft, put a washer on this address.
  • On the sides of the drive can be screwed small corners as it is also called to make 1-2 holes on the reverse sides. These will serve as the reel’s fishing line.
  • To fix the line for the trimmer, of course screw a few self-tapping screws into the plywood.

Such a self-made mowing head is fixed on the shaft with a nut. It is not possible to tighten or loosen the nut without locking the shaft. To change the cord, you need to let go of the self-tapping screws, stick a piece of fishing line of the desired length and press it down again.

Also a mowing head for fixing the line on its surface is of course made of iron sheet. How to do it, you can realize from the following video.

The second way

Some spools have a second way to fix the cord: you can charge 2 pieces of thread, instead of one, folded in half. Change the fishing line according to the following algorithm.

  • Before changing or loading new thread into the spool, determine how many meters of thread you need using the method described above.
  • Bend one end of the cord to form a hook.
  • Find the hole at the bottom of the bobbin to hold the fishing line in place, and insert the looped end of the yarn into the hole.
  • Wind the cord in the direction of the arrow up to the necessary level, not exceeding the diameter of the reel.
  • Do the same for the second cell of the bobbin.
  • Assembling the head is no different from the method used when we considered threading the bobbin with a double folded length of fishing line.

For Shtil brushcutters there is a very simple and quick way to change the line without disassembling the mowing head, watch this video.

The ends of the cords protruding from the holes in the hood may be cut to the required length after the piece is installed in the trimmer. There are two ways to do this:

tuck, lines, your, stihl
  • Turn on the grass trimmer (as it rotates, the ends of the line will be cut on the blade mounted for this purpose on the guard);
  • By cutting off the extra ends with scissors so they do not touch the body of the bobbin case.

The second method is used if you had to put a large diameter cord, and the trimming blade cannot shorten it.

If the filament has been charged into the mowing head, but the length of the projecting ends of the cord is not long enough, they must be lengthened before starting the machine. this applies to the manually-adjusted head. However, there are also cases when using a semi-automatic mowing head when, due to insufficient length of the protruding cord ends, they are not automatically extended. In this case, it is necessary to turn off the machine (on an electric machine, it is obligatory to unplug the plug from the socket), manually press the button located at the bottom of the part, and pull out some fishing line. After this procedure, the filament can be pulled out again due to centrifugal force if the spindle speed is set to maximum.

READ Replacing the Fuel Hose on the Trimmer

Whatever thickness of line you use with your trimmer, remember: to avoid constant interruptions in work and cord changes, avoid hard surfaces (stones, kerbs, thick, dry twigs, etc.) and places where the tool might touch the ground.д.).


In this variant the head is screwed on the gear shaft. To remove it, you need to fix the shaft. For this purpose, in such trimmers, for example, in Huter and Champion devices, there is a hole through which you can insert either a thin screwdriver or a metal rod.

So, to remove the bobbin, follow 2 simple steps.

  • Insert screwdriver into the hole and lock the shaft.
  • Grasp the head body and start twisting it clockwise. You should twist in this direction because the thread, tapped on the shaft, left.

How to change filament in your trimmer: 2 easy ways

Grass trimmer. a necessary and useful tool for the garden plot and private home. Many people own and actively use it, but not everyone knows how to change the fishing line in a trimmer, especially at first.

In this instruction, we’ll take apart the whole replacement process step by step. Looking ahead, there are two ways to tuck the line into the trimmer bobbin. There is no fundamental difference. the difference is that in the first case, you will fill up one line for the trimmer, folded in half, and the second such line will be two segments.

Preparing to Change

To make it clearer, the mowing head (the bobbin) was removed from the brushcutter. You don’t need to remove the bobbin to change the line. It does not take much time.

We disassemble the blade of the weed trimmer. it is secured with clips. remove the cover by pushing on the catches. If you need more effort to do this with your hands, you can use a screwdriver.

The spool consists of the following:

tuck, lines, your, stihl

How it works is as follows. Pressing the button presses the bobbin on the spring and releases it from the locking grooves in the bobbin lid. Holding in this state, the spool can be twisted, thereby adjusting the length of the line. When you release the button, the body spring returns the bobbin to its original locked position.

There are several holes on the bottom of the spool for different line diameters. This may differ from trimmer manufacturer to trimmer manufacturer. In some cases, such as here, they are labeled; in others, they are not.

These openings are needed to hold the line in place when changing it. After winding the line on the reel, the line ends are inserted. It is necessary to prevent the fishing line from unwinding at the moment of installation of the reel in the body of the grass trimmer. In other words, they make it easier to change the line.

There are some models that do not show the diameter of the line. Then to find out what is the maximum diameter of the line you can use, it is tried on according to the holes of the line output from the body of the grass trimmer bobbin (see “The line is not too big”). picture below).

The reel has two sections for the line, separated by a partition. They may not be. They are only needed to distinguish and facilitate the winding of the consumable.