Trimmer reels. types and features

The efficiency and performance of the domestic trimmer for grass on the site largely depends on the quality of the line. It is located in the spool, or as it is also called, the trimmer head. Manufacturers produce different types of coils. Each of them is distinguished by its design features and individual principle of operation. Having studied them in detail, it will be easier for the gardener to choose exactly the head that is suitable for specific operating conditions.

The device of a household brushcutter begins with its working body, the role of which most often plays a spool for a grass trimmer.

There are three types of heads on the market, which differ from each other by the method of feeding the cutting line:

  • Automatic reels. in this type of head, the cord is fed when the revs of the working engine of the brushcutter are increased. The operator himself takes no part in the lengthening of the fishing line, as it is done in fully automatic mode. Automatic heads are the most convenient to use and are most often used by gardeners caring for large plots. Among the disadvantages of these heads experienced users allocate frequent breakage of the device and the highest cost among all types of trimmer reels;
  • semi-automatic heads. heads of this type work according to a fairly simple principle: to feed the cutting line, the spool must rest against the surface of the ground. When you simultaneously press a special button, the built-in anchor mechanism is activated. as a result, centrifugal forces occur, under the action of which the trimmer line is extended and the operator can continue to work on the site. Operating these nozzles requires a certain amount of skill on the part of the operator;
  • manual reels. in the construction of these heads the cutting cord is extended mechanically. Accordingly, to feed the fishing line, the operator must turn off the engine of the brushcutter and pull the line for the trimmer by hand. Despite the inconvenience in operation, this type of spool is recognized as the most reliable and popular among gardeners.

In addition to the types of mowing heads listed above, universal attachments can be found on sale. They can be installed on any domestic grass trimmer model, regardless of its factory equipment and purpose. The multi-purpose head is very reliable and does not need frequent repairs.

Choose a fishing line

It’s important to choose the right filament for your trimmer head in order to get it right. The thicker the cord, the thicker and harder the grass it can cut. The universal line for the trimmer, which has a diameter of 2 mm, is often used. To choose the right diameter for your mower, you can use the following methods:

  • Check the manual provided with your trimmer for information on line thickness.
  • Note the bobbin itself. Sometimes it is marked with information about the possible line diameters.
  • Another option is to try to insert the cord into the outlet hole. If it easily passes into it, then the chosen diameter of the line is suitable for use.

pull, fishing, line, trimmer, grass

Grass trimmer reel Choose a cord by the type of motor. If the line for the trimmer will be too thick, it will increase the resistance to rotation. the engine in this case will overheat greatly and will soon fail. Helpful tips:

  • For an electric device with a motor less than 500 V, a 1.3 mm thick cord will do. If you don’t have one, you can use 1.6mm trimmer fishing line. If the power is more than 1 kW, then choose a cord with a diameter of 2 mm.
  • With a gasoline grass trimmer, the mowing shaft is important. For the bent version, a 2 mm cord is often used. If the shaft is straight, then install a 2.4-2.5 or 3 mm cord. The thickest line for the trimmer is installed on powerful devices. from 1.3 kW.

Pay attention to the type of cord cross-section as well. Some popular options:

  • The most common round section lines. They mow fresh grass well, but cope less well with shrubs, dead wood.
  • Twisted (spiral) cord is not very strong, but is good for thin young grass.
  • A serrated cord with sharp edges is ideal for large weeds in a neglected area.
  • You can mow the lawn more evenly with a rectangular, star or square grass trimmer line, but they are not very durable.
  • The strongest is a two-piece cord with an inner core and a round section.

Types of line for grass trimmer Note that you can’t use wire, metal strings and ropes, or regular fishing line instead of fishing line. The device will be dangerous for the user and others. In this way, the rope or similar products will gradually begin to work together, resulting in their ends unraveling, and the small pieces will fly apart with great speed.

Which line to choose for your trimmer

Before you stock up on this material to put in your grass trimmer, you need to decide on a choice. After all, ordinary so-called round line for trimmers is not the only kind that exists. So how to choose the most suitable one? First of all, you need to determine the working conditions.

Choosing by type. A line for the trimmer with a round section is the most common. It fits on all spools, with very few exceptions. This type of consumable is suitable for mowing fresh, succulent grass. But it might not be able to mow dead wood any more. Mowing shrubs with this type of thread is really unnecessary.

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.

It is because of this feature that 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 rapid wear and tear, which is noticeably inferior to the round type.

In addition to the already mentioned types of lines, there are other interesting and frequently encountered varieties. Particularly among them can be noted the lines, inside which a metal wire is stretched. Threads of this type are often used in tools that run on gasoline and have an engine with more than one and a half horsepower.

Yarns with metal core may be of round cross-section as well as with sharp edges. Regardless of the type of section, such threads are the best for overcoming hard-to-cut plants. Threads belonging to this type easily mow not only dry grass, but even small bushes.

Filaments with wire inside compare favorably with 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 threads with a core is much higher than the cost of other types of threads.

Choosing by thickness

In addition, special attention should be paid to the thickness of the consumable material. For mowing young grass, a filament with a diameter of one and a half millimeters is good. The larger the diameter of a thread, the drier and rougher the weeds it can handle.

When choosing a fishing line by thickness, there is one “but”. It is important not only to evaluate the material’s capabilities, but also to consider the features of the grass trimmer. It’s absolutely necessary to look in the user manual, which comes with the tool, and find information about the requirements for the cutting element.

Using the wrong thread can lead to tool failure. Using too thick a thread would overload the motor of the device. And using too thin a thread will dramatically increase wear on the torque train.

That’s why the choice of consumable material should be approached with no less responsibility than its threading in the grass trimmer. When a suitable line for the trimmer is found and purchased, you can proceed to consider the ways of winding it on the spool.


How to change the trimmer line on your trimmer

Below we have given step-by-step instructions on how to change the grass trimmer line.

The first thing to do is to unplug the tool and turn off the motor. Then you need to remove the grass trimmer head. You can do this by using a simple screwdriver and dropping it into the gearbox hole to prevent the shaft from turning. And then just unscrew it

Unscrew usually clockwise, but different models have different mechanisms, so you may have to twist in the opposite direction. But if, for some reason, you can’t figure it out, then we highly recommend referring to the owner’s manual to understand how to disconnect it

Second. After removing the mowing head, it is necessary to open it. This can be done by means of clamps, which are located opposite each other. By pressing them, you can remove the cover of the head, and then pull out of it the bobbin on which the line for the trimmer is wound. Once you take it out you can tell what type it is. There are one-section and two-section bobbins

Here is how to tuck the line for the trimmer into the grass trimmer spool in two variants

So, variant one. load the line for the trimmer into the one-section reel. A prepared piece of thread is folded in half and slipped into the bobbin. Then, start winding both ends in the same direction, which will be indicated by an arrow on the bobbin. At the end of the reel, do not forget to check that the different ends of the thread look in different directions

Option two is winding the fishing line with a two-section spool. the thread prepared in advance is divided into two parts and the ends must be secured by placing them in special brackets

Winding is done as in the first case. by the arrow indicated on the bobbin. Both sections should be wound so that they do not cross over. Next, the ends of the thread should be secured in the grooves and spread out on opposite sides

After that, the spring is inserted into the spool, and the whole thing is placed into the mowing head. Putting the spool into the grass trimmer you need to gently hold the spring in parallel by inserting the trimmer line into the slots of the brushcutter head. And finally, this just needs to be secured with the final part, i.e. the cover.

After you have threaded the grass trimmer, you need to check it. If you did everything correctly, everything will work, but if you made a mistake, we recommend that you read the article again, and even better, if you watch the video how to install the line for the trimmer on the spool in the trimmer.

How to get the trimmer line out of the grass trimmer spool

Over time, the cutting element of the head wears out, and it becomes necessary to remove the remains of the old line. Not everyone knows how to do it. Our step-by-step instructions plus a video on how to get the line out of the grass trimmer spool, which you can find online, will help in solving this issue

You need to disassemble the mowing head

Difficult ? Certainly not. But if you have any doubts, and for some reason you can’t do this, then of course you can find and watch a video on how to remove or wind the thread on the brushcutter’s spool.

Choosing a line

In order to easily wind the trimmer line on the grass trimmer spool, it’s worth deciding what tasks the garden tool will perform. The thicker the thread tucked into the head, the more difficult the tasks it will be able to perform. It should be noted that often a universal thread is used, the width of which does not exceed 2 mm. You, in turn, can determine the size using the following methods:

  • Read the information in the manufacturer’s instructions;
  • Check the suitability of the line yourself by trying to insert it into the hole of the spool;
  • Examine the bobbin for information on the diameters allowed for use.

The choice of fishing line for filling in the grass trimmer reel can be made by type of engine. For example, excessively thick thread can cause an increase in rotational resistance. Because of this, the load on the engine will increase, which will certainly affect the quality and duration of its further operation.

Avoiding negative consequences is not difficult. To do this, take into account that for electric motors with power up to 500 watts is ideal for trimmer line with a diameter of up to 1.2 mm. If you can’t get such a string, you can use 1.6 mm cord. 2 mm filament is used for motors with power over 1 kW. It is worth noting that 2 mm cord is often used for winding on a bent mower. If a gasoline-powered device has a straight shaft, you should use 2.5 or 3 mm yarn. the thickest lines are installed only on devices with power equal or greater than 1.3 kW.

Last but not least, the type of cross-section of the line is an important factor. When choosing it, it is worth focusing on the tasks set for the gardening tool. There are several in-demand cross-sectional options:

  • Twisted. has a small safety margin, so it is only suitable for young grass;
  • serrated. characterized by sharp edges, suitable for working in overgrown weeds;
  • round. the most common cross-section. These lines cope well with fresh grass, but are not suitable for shrubs and dead wood;
  • Rectangular, square and star-shaped cross-section types. due to their low strength are used for working on lawns.

The strongest and most versatile cord is the two-part cord for trimmers with a round section and a core inside. This is the cord that is suitable for most jobs. It should be remembered that the use of fishing line, ordinary wire and other third-party materials as a cord is dangerous to others.

Each trimmer manufacturer recommends a line for the trimmer, or cord, of a certain diameter. a spool is made for it. It can be from 1,2 to 4 mm: you should check the manual for the acceptable line size for your tool. For example, many trimmers have a maximum value of 3 mm (recommended for hard grass). a thicker cord cannot be installed. For mowing young, soft vegetation, a thin line for the trimmer, with a diameter of 1.2. 1.6 mm, is suitable. Also when choosing, pay attention to the shape of the cord: round cord is the strongest and best for rough grass, curly cord for soft grass and twisted or notched cord for thin stems. Depending on what kind of grass grows on the plot. lawn or weeds, buy the appropriate consumables. The length of the coil can be from several tens to several hundred meters, and its price depends on this. The amount of work to be done should be taken into account. If the grass trimmer is used in a private household, there is no need to buy a roll of more than 100 m.

Important note! Buy only original grass trimmer line recommended by the trimmer manufacturer. It is made of quality materials and is durable. it will cut the grass perfectly and will not wear out so quickly.

For one threading of the line in the bobbin, a length of 2 to 4 m is necessary. it all depends on its thickness and the manufacturer’s recommendations. If you wind more, the movement of the line will be difficult, and in the process of work may have problems with pulling the new ends. Coil up the necessary amount and cut with a knife.

Useful tip: put a piece of filament in water for 30 minutes, then it will become more elastic and stronger.

To insert the trimmer line into the trimmer head, you must remove it from the tool. Depending on the design, this can be done by pushing on the catches or unscrewing the winglet. Note the thread direction: clockwise or anticlockwise, and turn the knob accordingly. Turning direction is usually indicated by an arrow on the trimmer head body. Wearing gloves to prevent slipping of the fingers and risk of getting your hands dirty is recommended.

Disassembling the mowing head

The line for the trimmer is wound onto the bobbin, which is hidden in the body of the trimmer head. To get to it, you need to disassemble the element. The housing has snap-lock fasteners, which, when pressed, make it easy to remove the lid of the housing. Sometimes disassembly is done by unscrewing the body.

Be careful! Note the order in which the elements are installed, how the spring and fixing screw are located inside the head. Carefully stack all the parts in one place so that nothing gets lost and there are no problems during assembly.

Trimmer heads differ in structure, the type of spool and the principle of line pulling. Disassembling the case, you will see the bobbin and determine what type it belongs to. There are products with a rim in the middle, which divides the spool into upper and lower parts for each end of the line. For products without a separating bead, the line is wound solidly. To make the process more understandable, we suggest using the table.

How to wind lines on different types of spools

With a separating edge

Without spacer

We’ve described how to wind a line for your trimmer into a grass trimmer reel with two tendrils. This is the most common. But there are other methods. For example, if the mowing head has one tendril, then the winding is carried out without folding the line for the trimmer. Rotate in the direction shown on the bobbin case and temporarily engage the free end of the cord in the slot on the bobbin case. For four-pronged trimmers, the consumables are four short pieces that are inserted one at a time into the holes of the already assembled head.

Useful tip: when winding the fishing line carefully, do not overtighten it so that it does not sit very tight in the spool. It is necessary to ensure its free movement for the subsequent pulling.

Assembling the trimmer head

After the line for the trimmer is wound on the bobbin, you need to assemble the body. Position the spool so that the line ends can be pulled into the output slots of the trimmer head. Slots in the bobbin where they were temporarily inserted will prevent them from slipping out. If there are no such slots, hold the ends with your fingers when you place the spool in the housing. After inserting the free ends into the exit holes, close the cover and fasten it with clips or screws. Attach the mowing head to the grass trimmer and extend the line ends to the desired length so that they don’t touch the blade guard when working. Done ! Get to work!

Thus, theoretically knowing the algorithm of line replacement in the trimmer head, you can easily and quickly cope with this task. The main thing is not in a hurry and before the first replacement carefully inspect the design of the bobbin. If you have trouble disassembling the housing, you can always refer to the instruction manual, which necessarily specifies the locking mechanisms. This helps to avoid malfunctions due to carelessness. You can buy a line for your trimmer and other trimmer consumables at our online store.

How the line head works on your brushcutter: Why do you need to know how it works?

Depending on the manufacturer, the heads differ structurally not only externally, but also internally. Most drums have a compression spring inside (semi-automatic and automatic). Above is an instruction on how to disassemble the grass trimmer head without a spring, t.ะต. on the manual type head. The principle of dismantling a semi-automatic head with a spring inside is almost identical to the above described instruction.

The principle of operation of the semi-automatic grass trimmer reel is as follows:

  • Inside the head there is a spool, which is planted on slits that prevent it from moving freely
  • A spring acts on the reel, which presses it to the slits in the construction of the cover
  • A line for the trimmer is wound on the lead, the length of which depends on the tool itself. This length is usually between 1 and 4 meters
  • During work, if the need to increase the length of the line, the protruding part of the drum is pressed, by which it comes out of the engagement with the slits. At the same time the line for the trimmer is reeled off the reel, increasing in length
  • After letting out the necessary amount of line, release the clamp and continue mowing

The advantage of tools with a fishing line is that this consumable does not require sharpening, as compared to metal discs. In addition, if a stone or wood gets in the way, the fishing line for the trimmer simply comes off, without negatively affecting the gearbox and engine of the tool, as it happens in the case of metal cutting discs.

Knowing the construction and device of the types of mowing or trimmer heads, it is necessary to proceed to consider the process of threading the fishing line into the grass trimmer spool. After all, this is the point that causes difficulties for most special tool owners.

Tips and recommendations on how to wind the line for the trimmer and what you need to know

There are some useful tips and recommendations that will be useful to learn not only for beginners, but also for the experienced masters of trimmers. These tips will help prevent negative consequences in the form of injuries and malfunctioning of the mechanism. These guidelines state the following:

  • It is necessary to install the cover until it clicks. This is 2 or more clicks depending on the number of clips. If one latch does not click, the reel can jump out and injure a person when starting the tool
  • Do not coil up the line for the trimmer with a strong retraction, as well as in an amount greater than can be inserted in its place. It is better not to wind up the snap, than it will be more, as this will lead to negative consequences in the form of inability to unwind it if necessary
  • If you own the tool not with two conclusions of a fishing line, and with one (usually these are low-powered units), then the winding process is performed in a similar sequence as described above, only with the difference in the absence of the middle curb between the extreme bases of the coil
  • After the material has been replaced you should first check that the tool functions correctly and then go on mowing. If you do not check beforehand, the line may unravel and injure a person

This is interesting! Choose only mowing material of suitable quality to avoid injury when working with gasoline mowers, trimmers and brushcutters. In the process of grass mowing small stones and other materials fall under the rotating parts, which can fly long distances, so, despite the fact that the line for trimmer is not a knife, work with the tool should be carried out in a special protective outfit.

The result of the work done is the following. after the replacement of the new material, the usual enough for an area of up to 600 square meters, but taking into account the presence of a reinforcing layer on the fishing line. Conventional nylon materials do not last as long, which is important to consider when working. Do not attempt to mow thick stemmed grass with a fishing line as special metal discs or blades are available for this purpose.

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