Threading The Line Into The Spool Of The Stihl Trimmer

Trimming the line into the trimmer.

I want to devote today’s article to the sore subject of summer residents and gardeners of the entire post-Soviet space How to fill the line in the trimmer. Not many trimmer manufacturers answer this question in their instruction manuals. Therefore, it is also difficult for simple gardeners to figure out how to do it correctly.

I want to start with a brief description of the technical characteristics of the trimmers.

So, trimmers are electric and gasoline. The cutting element for trimmers can be a line and a knife. The line is ordinary, four. Pentahedral and intertwined (in the form of a pigtail). Knives come in 2, 3 and 4 bladed knives. Knives also come in plastic and metal.

The line feed system from the trimmer is manual, semi-automatic and automatic.

Development engineers who create new trimmer models clearly calculate the diameter (thickness) of the line and the number of knife blades, according to the power of the trimmers. Otherwise, the motor is overloaded, resulting in damage. And these are additional and significant costs.

Trimmers on the market today:

With one nozzle only line.
With two line nozzles and three-four-blade knife.
With one nozzle only three to four blades.

Our Kulibins long ago learned to improve any mechanisms. So, for example, some gardeners make successful, in their opinion, replacement of fishing line with a metal cable, or fishing line. But at the same time, they do not think about the safety of their own and their loved ones, because, like a cable with the power of a working trimmer, it can easily break out and not only injure the mower and others, but leave him crippled for life. Using a fishing line can and gives a better effect, I have never personally tried it than a trimmer line, but such work has a number of inconveniences: when it comes into contact with hard objects, it loosens or can simply be pulled out of the reel without limit.

So, what is called closer to the topic. Here is an example of how to thread the line into the trimmer (Trimmer BOSCH Art 30). Everything is very simple. Started.

After you have chosen the line for refueling, you need to cut off the required amount of line, because all the line in a skein will not be wound into a reel.

Cut off and start reeling.

Removing the coil and protective cover from the coil.

They took it off. We fix one end of the line in the gap and carefully and evenly wind the line.

The amount of line should be such that the protective cover of the reel closes and the line on the reel unwinds a little.

We put the other end of the line into the hole on the protective cover.

Next, take the coil and the coil cover. We squirt the end of the line from the reel into the metal hole on the protective cover of the reel. We tighten the line a little.

We put it all on the trimmer. Turn the coil clockwise until it clicks.

They fixed it. Now we connect the trimmer to the network. We put the trimmer in the starting position for work. We turn on the trimmer. Excess line length will be cut on the trimming blade.

Coil in trimmer

That’s all we start working.

Material you can see

A little advice. Try not to let the line come into contact with hard objects when cutting. With this contact, the line will be cut. And since in this trimmer the line is not fed automatically, then every time you have to stop work, remove the reel and release the line again.

In addition to the standard lawn line, my trimmer has a thick line for cutting rough weeds. It has the shape of a pigtail, i.E. Three lines are tightly intertwined. This line has its own spool. Heavy-duty line in a reel

This reel is attached to the trimmer in the same way as a reel with an ordinary line.

Coil with two working antennae

In this type of spool, you should determine the number of grooves for winding the line, lying on the inside of the spool:

  • One groove both tendrils are wound together in one groove;
  • Two grooves each antenna is wound on an individual groove.

For both cases, a line with a length of 2-3 m is taken.In single-groove reels, the line is pulled into a through hole, its ends (antennae) are folded together and aligned, after which they are wound in the opposite direction of rotation of the bobbin on the bar, the side inside the arrow usually indicates the correct direction of winding. If there are fixing grooves, the ends of the fishing line are threaded through them or held with the fingers of the free hand, they are threaded into the through hole of the outer half of the bobbin, the spool is closed and attached to the trimmer bar.

The difference in line winding in double-groove spools is that initially a 2-5 m long line segment is folded in half (to determine the middle fold), and the fold loop is inserted into a special groove between the grooves. Both antennae of the fishing line are wound each along its own groove, fixing the antennae and assembling the coil is similar to the above option with one groove.

The first execution of this procedure, perhaps, will seem long and rather laborious, but with time and experience this task will be solved much faster and easier.

The following will clearly show how to thread the line into the trimmer reel and wind it correctly, this operation is not difficult and with some patience it will certainly be crowned with success:

Coil with one working antenna

The simplest option and uncomplicated sequence of actions:

  1. The dimensions of the spool and the length of the original factory winding determine the recommended length of the 25 m line for winding.
  2. One end of the line is inserted into the fixing technological hole located inside the spool.
  3. The fishing line is wound on the drum in the opposite direction of the spool rotation on the trimmer product, as a rule, on the inner side of the bobbin an arrow indicates in which direction it is wound.
  4. A small section of the line is left free to bring it out, it is fixed in a specialized groove on the inside of the bobbin, designed to hold the winding when assembling the bobbin into working condition.
  5. The left end of the line is passed through the hole in the outer part of the reel.
  6. The bobbin halves are assembled and put on the trimmer bar.

We wind the fishing line

Slowly completed disassembly of the spool-spool without losing its spare parts allows you to proceed to the main task of winding the fishing line into the spool. Technological features of the spool design and the number of working antennae determine the sequence of actions.

How to insert line into the trimmer spool? Instruction

The warranty production of the factory trimmer refueling will inevitably require line replacement. Having a very rough idea of ​​how to thread the line into the trimmer reel on their own, beginners are reluctant to take up this business. However, with some skills, mastering this simple science does not present any difficulties, and the similar instruction presented below will make this process as easy as possible.

Preliminary preparation

First of all, to wind the fishing line, you need to remove the spool (bobbin, spool) from the trimmer; specific actions will depend on the complexity of the configuration and the type of the product itself:

  • Small electric trimmers with a working position of the engine and spools at the bottom, as a rule, have side buttons on both sides of the bobbin. When pressed at the same time, the upper part of the spool together with the inner content for winding the line is detached, while the lower part remains on the trimmer. It is advisable to disassemble the bobbin on a flat, smooth place so that the spring included in the structure does not jump out and get lost;
  • Electric and gasoline trimmers with a curved bar without the possibility of installing a knife, as a rule, have spools with a special wing: in such designs, hold the spool in a stationary position with one hand, and rotate the locking reel on the rod with the wing nut counterclockwise with the other. After disconnecting the nut, the entire bobbin is removed.
  • Electric and gasoline trimmers with the ability to install a knife on a straight bar (for example, Stihl trimmers) have a hole under the reel. To keep the rod stationary, a screwdriver or other suitable object is inserted into this hole and, with slow rotation, such a mutual arrangement is achieved when the screwdriver enters the hole and the bobbin is fixed. After that, the coil body is scrolled clockwise (with a left-hand thread) and removed from the trimmer.
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For the second and third cases, the coils, depending on the design, are disassembled in different ways. In bobbins with a lamb, a lamb is unscrewed, in coils with latches, the latches are pressed and one part of the coil is released from the other. If the halves of the bobbin are connected by thread, then it is enough to turn them by hand in opposite directions until they are completely unscrewed.

Automatic line winding to a spool

There is a type of reel in which the automatic mechanism produces winding independently from the user, it is enough just to correctly fill the line. The fishing line is passed through a hole on the inner part of the body, its antennae without winding are passed through the hole on the outer body, the reel is assembled, and when the winding button is rotated, the fishing line inside is wound independently. In such a spool, it is impossible to make the winding wrong: the mechanism itself will determine the correct direction, since it can only turn in one direction.

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Coil with two working antennae

In this type of spools, you should find the number of grooves for winding the line, lying on the inside of the reel:

  • One groove both tendrils are wound together along one groove;
  • Two grooves each tendril is wound on a personal groove.

For both cases, a line with a length of 2-3 m is taken.In single-groove reels, the line is pulled into a through hole, its ends (antennae) are folded together and aligned, after which they are wound in the opposite direction of rotation of the bobbin on the bar, the side inside the arrow usually indicates the correct direction of winding. If there are fixing grooves, the ends of the fishing line are threaded through them or held with the fingers of the free hand, they are threaded into the through hole of the outer half of the bobbin, the spool is locked and attached to the trimmer bar.

The difference in line winding in double-groove spools is that initially a 2-5 m long line segment is folded in half (to determine the middle fold), and the fold loop is inserted into a special groove between the grooves. Both antennae of the fishing line are wound each along its own groove, fixing the antennae and assembling the coil is similar to the one-groove option discussed above.

The first execution of this procedure, perhaps, will seem long and rather laborious, but over time and experience, this task will be solved much faster and easier.

The following will clearly show how to thread the line into the trimmer reel and wind it correctly, this operation is not difficult and with some patience it will certainly be crowned with success:

We wind the fishing line

Slowly completed disassembly of the spool-spool without losing its spare parts allows you to proceed to the main task of winding the fishing line into the spool. Technological features of the spool design and the number of working antennae determine the sequence of actions.

How to correctly replace the line in the mowing head, the reel of the STIHL FS 55 lawn mower. Preliminary preparation

First of all, to wind the fishing line, you need to remove the spool (bobbin, spool) from the trimmer; specific actions will depend on the complexity of the configuration and the type of the product itself:

  • Small electric trimmers with a working position of the engine and spools at the bottom, as a rule, have side buttons on both sides of the bobbin. When pressed at the same time, the upper part of the spool together with the inner content for winding the line is detached, while the lower part remains on the trimmer. It is advisable to disassemble the bobbin on a flat, smooth place so that the spring included in the structure does not jump out and get lost;
  • Electric and gasoline trimmers with a curved bar without the possibility of installing a knife, as a rule, have spools with a special wing: in such designs, hold the spool in a stationary position with one hand, and rotate the locking reel on the rod with the wing nut counterclockwise with the other. After disconnecting the nut, the entire bobbin is removed.
  • Electric and gasoline trimmers with the ability to install a knife on a straight bar (for example, Stihl trimmers) have a hole under the reel. To keep the rod stationary, a screwdriver or other suitable object is inserted into this hole and, with slow rotation, such a mutual arrangement is achieved when the screwdriver enters the hole and the bobbin is fixed. After that, the coil body is scrolled clockwise (with a left-hand thread) and removed from the trimmer.

For the second and third cases, the coils, depending on the design, are disassembled in different ways. In bobbins with a lamb, a lamb is unscrewed, in coils with latches, the latches are pressed and one part of the coil is released from the other. If the halves of the bobbin are connected by thread, then it is enough to turn them by hand in opposite directions until they are completely unscrewed.

Automatic line winding to a spool

There is a type of reel, in which the automatic mechanism winds without the help of others from the user, it is enough to just fill the line correctly. How to insert line into the trimmer spool? Instruction. How to remove the spool from the trimmer? How to wind the line in order to tuck the line. The fishing line is passed through a hole on the inside of the body, its antennae without winding are passed through the hole on the outer body, the reel is assembled, and when the winding button is rotated, the fishing line is wound from the inside without the help of others. In such a spool, it is unrealistic to make the winding wrong: the mechanism itself will determine the correct direction, since it can only rotate in one direction.

The warranty production of the factory trimmer refueling will inevitably require line replacement. Having a very rough idea of ​​how to thread the line into the trimmer reel on their own, beginners are reluctant to take up this business. However, with some skills, mastering this simple science does not present any difficulties, and the similar instruction presented below will make this process as easy as possible.

Preliminary preparation

First, to wind the fishing line, you need to remove the spool (bobbin, spool) from the trimmer; certain actions will depend on the complexity of the configuration and the type of the product itself:

  • Small electronic trimmers with a working position of the motor and coil at the bottom usually have side buttons on both sides of the bobbin. When pressed at the same time, the upper part of the reel, together with the inner content for winding the line, is disconnected, while the lower part remains on the trimmer. It is better to parse the bobbin on an even, smooth place so that the spring included in the structure does not jump out and is not lost;
  • Electronic and gasoline trimmers with a curved bar without the ability to install a knife, usually have spools with a special wing: in similar designs, hold the spool in a fixed position with one hand, and turn the locking reel on the rod with the other counterclockwise with the wing nut. How do I fit the line into the trimmer? How to thread the line into the trimmer spool. It is clear how to load the line on the trimmer. After disconnecting the nut, the entire bobbin is removed.
  • Electronic and gasoline trimmers with the ability to install a knife on a straight bar (for example, Stihl trimmers) have a hole under the reel. For the rod to remain stationary, a screwdriver or other suitable object is inserted into this hole, and with unhurried rotation, such mutual placement is achieved when the screwdriver goes inside the hole, and the bobbin is fixed. Then the coil body is scrolled clockwise (with left-hand thread) and removed from the trimmer.
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For the second and third options, the coils, depending on the design, are disassembled by different methods. In bobbins with a lamb, a lamb is turned inside out, in coils with latches, the latches are pressed and one part of the coil is released from the other. How to tuck the fishing line into how to properly cheap fishing line. 2. On your site. If the halves of the spool are threaded, then it is enough to turn them by hand in the opposite directions until they are completely unscrewed.

How to tuck the line into the trimmer so that working with it does not get tired

Many summer residents use a scythe trimmer with an electric or gasoline engine to combat weeds. It is convenient when working in hard-to-reach places for a lawn mower: near fences, flower beds, houses, in a garden on narrow aisles, and can cut small branches. The main element of this miracle technique is an ordinary fishing line, wound on a reel. The device is simple, but the cutting part wears out quickly and requires replacement. And the question of how to fill the line in the trimmer worries many owners of summer cottages.

Threading The Line Into The Spool Of The Stihl Trimmer

Briefly about the line

Taking into account the models of the tool, the thickness of the line is 1.2-4 mm. There are such configurations:

  • Round is the most durable;
  • Curly for soft grass;
  • Twisted or serrated for fine grass;
  • Professional, not suitable for all instrument models.

When changing the cutting thread, you need to choose the one that suits your trimmer type. Preference should be given to specialized. Before tucking the line into the trimmer spool, it is best to soak it in water for half an hour. Then it will become more elastic and stronger.

How to quickly remove the coil from the tool

Before the thread is wound on a bobbin, it must be removed. over, the methods of removal depend on the characteristics of the instrument. On trimmers with a motor near the ground, the reel has two side buttons, when pressed, a part of the body is separated together with a device for winding the thread.

On tools with a bent rod, the lamb on the device is moved counterclockwise; having disconnected it, remove both the bobbin and the spring inside it. On trimmers with a straight bar, fix it with a screwdriver, rotate it clockwise and remove it. Then the device is disassembled either with the help of latches or by moving its parts in different directions. Take out the spring from the coil.

Threading the line into the trimmer

The main question is how to properly wind the line on the trimmer spool, securely fixing it there?

In the case of a device with one antenna, up to four meters of fishing line is unwound, one end is inserted into the hole inside it, which fixes the fishing line, and moved in the direction indicated by the arrow. The end of the thread is fixed in a groove inside the bobbin so that it does not unwind during assembly. If there is no groove, then this free end is fixed with a finger. Then the coil is assembled.

How to thread a trimmer coil if it has two antennae? In this case, check how many grooves there are one or two on it. In the first case, both antennae are directed into a common groove, if there are two of them, then each of them into its own. 2-4 meters of thread is passed through the hole so that the free ends of the thread are of the same length, and twist the bobbin in the direction of the arrow-pointer. The ends of the thread are inserted into the grooves or held with a finger, the device is assembled and attached to the trimmer.

In a spool with two grooves, the same piece of thread is folded in the form of a loop, sent to the groove between them and the ends are wound simultaneously. Then repeat the previous assembly. With semi-automatic winding, the bobbins operate as follows. The fishing line is passed through the hole inside, its ends are fixed in the holes on the body, collect it and press the button. The thread can be easily wound in the correct direction.

It is important to remember that the cutting surface must be protected from hard objects so that it does not wear out. Otherwise, it will be necessary to constantly stop and, having removed the reel, replace the used line. Keep your work fun and enjoyable!

See: How to Insert Line into Trimmer

Preparation for winding the line

Before the winding process, it is necessary to remove the spool with line from the body. Depending on the manufacturer, power and type (electric or gasoline), there are three design types of trimmers:

  • Compact Electric Trimmers.

Straight bar trimmer

This model provides the ability to install a knife. Removing the coil in such models is done by means of two keys recessed into the coil body. To mount the trimmer knife, it is necessary to align the hole of the reel and the rod, and then insert the device in the form of a steel pin (screwdriver, iron bar). After fixing the coil, the body can be easily unscrewed by hand in a clockwise direction.

Single-barbed trimmer coil

Single-barb lawn mowers reel

Many owners and experts note the ease of use and ease of refueling the bobbin with one mustache. Depending on the manufacturer, the length of the threaded line can vary from 2 to 5 meters. The end of the line is inserted into the head into a special technological groove or hole, and the winding is carried out in the direction opposite to the working rotation of the bobbin. Most reels have arrow marks on the outside of the body that indicate the direction of travel of the trimmer reel.

After winding, you need to leave a free end of 15-30 cm to enhance the centrifugal force, which is decisive when removing the trimmer line in automatic and semi-automatic spools. We pass the left end through the working hole of the coil and assemble the head.

Trimmer head with two antennae

Double flute head

After removing the spool from the spool body, we determine the number of strands for winding the line (1 or 2). There is no fundamental difference between bobbins with one and two grooves, but if carelessly threading into the twin groove, there will be operational problems. Due to the likelihood of interweaving adjacent lines of the tool, a situation may arise when, after wear of the working antennae, it is impossible to remove new ones.

Regardless of the number of streams, a fishing line with a length of 1.5 to 3 meters is taken for refueling. Winding must be done in the opposite direction to the rotation of the head, since winding in the direction of travel will lead to the fact that the line will not be removed from the reel. After the fishing line is tucked into the trimmer coil, thread the free ends (15-30 cm) into special holes. Next, we assemble the head in the reverse order of disassembly and check the operability. Do not worry if the ends of the two antennae are very different in size, because when you start the trimmer, the knife installed on the protection will cut off the excess.

How to wind line on a trimmer reel: key points

A gasoline or electric trimmer is an indispensable tool in the arsenal of a modern summer resident or owner of his own home.

Thanks to these gardening devices, even a large garden plot can be mowed with ease. After purchasing this tool and performing several mows, many people think about how to properly wind the line on the trimmer reel. For an inexperienced user, the first operation to replace it will seem problematic and time-consuming, since the developers often do not fully reflect the instructions for replacing the fishing line in the operating manual.

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Winding the line to the trimmer

Measured and accurate dismantling of the spool from the spit coil makes it possible to go directly to winding the line. The design features of the head, the number and location of fixing holes dictate the sequence of actions when performing this operation, and also determine the methods used. Today there are several types of reels, depending on the number of line antennae and the methods of threading it:

  1. Trimmer head with one working mustache;
  2. A bobbin with two line antennae;
  3. Auto winding reel.

Trimmer head with automatic line threading

Types of trimmer heads

Some models on the market have a reel with an automatic winding mechanism. It is enough for the owner to properly thread and fix the ends in the head, and the winding operation will be performed by the tool itself when it is turned on. It is almost impossible to wind the line incorrectly into a trimmer with such a head, since the coil independently determines the position of the antennae. The advantages of an automatic trimmer head include ease of threading the line, and the disadvantages of frequent breakdowns of the mechanism due to the complexity of the design and high cost.

Major coil faults

Trimmer users and lawn mowers often encounter a problem with the semi-automatic mowing head. Coil malfunctions can be as follows:

  • The line does not lengthen automatically;
  • The cord spontaneously comes out of the reel.

Trimmer coil device

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

This type of head is present on most lawn mowers and 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 line is tucked;
  • Spring;
  • The 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 changing 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.

Line does not lengthen automatically

If the line does not lengthen when you lightly hit the trimmer button on the ground, then the reasons for this may be the following.

Option 1 a bite 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 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 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 quality of the cord, overheating of the coil during prolonged operation of the unit, hitting the line against hard objects.

  1. In the first case, third-party cord can be made of low-quality and low-melting materials that cannot withstand mechanical and temperature stress. Therefore, preference should be given “branded” fishing line.
  2. 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, moisten it with either silicone grease (from a can) or mineral oil. This procedure greatly reduces the likelihood of the coils of the fishing line being soldered together.
  3. 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 eliminate this malfunction is to open the trimmer coil and rewind the line.

The cord lengthens spontaneously

There are times when the trimmer user notices a very fast line flow. At the same time, he never hit the ground with the button to lengthen the line. The reason for the fact 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 cover, and in the future, do not even suspect of its existence.

DIY trimmer coil repair

The trimmer, whether petrol or electric, is the only solution for cutting grass in hard-to-reach places that a wheeled lawnmower cannot handle. As a cutting tool in trimmers, metal knives or special fishing line are used, which is tucked into the trimmer coil. But, unfortunately, the 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.

How to remove the spool and replace the line

Trimmer owners, mostly beginners, are confused, bordering on panic, when the need arises to change the cutting tool 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, we recommend that you read the step-by-step instructions below.

  1. Stop the mowers engine or power off the trimmer before placing the line into the spool to avoid injury from accidentally starting the cutting tool.
  2. Unscrew the nozzle 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.
  3. Unscrew the nozzle. You should be aware that the thread on the shaft is left-hand. Therefore, turn the trimmer coil to the right, that is, clockwise.
  4. 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, squeezing 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.
  5. 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 stress and higher gas mileage.
  6. Find the midpoint of the line by folding it in half. You will have a loop.
  7. Special grooves are cut inside the coil (there may be holes). Insert a loop of line into this groove.
  8. 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 overlap and with good tension. When 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.
  9. Assemble the mowing head. Be sure to insert the spring and washer (if applicable) before final assembly of the accessory. Place the spool in the body and thread the ends of the cord through the holes or eyelets.
  10. Put on the cover and secure it with the snaps.
  11. Screw the adapter back onto the gearbox shaft, also securing it with a screwdriver. You will need to twist the trimmer coil to the left (counter-clockwise).