How to change the line on a chain saw

How to wind the line on the garden trimmer reel for grass

Having their own farm, or living in your own house, it is often just necessary to have a trimmer for the grass garden electric or gasoline, to cut the grass, bushes, and other vegetation. A consumable such as a fishing line, in a trimmer head can run out at the most inopportune moment of cutting the grass. So for a simple change of fishing line, without searching for an instruction manual on the Internet or a box from a grass trimmer somewhere in the garage, with this article. Do you want to know how to change the line on your trimmer?? Read more.

Several tools will be needed to perform the work of replacing the fishing line:

How to change the line on a trimmer?

Grass trimmer line replacement with step-by-step instructions will allow even an inexperienced in such matters lawnmower owner to perform quite complex work.

However, before you begin work on replacing the fishing line on the trimmer, you must ensure that the work is done safely. In particular, measures should be taken to protect against careless or spontaneous activation of the lawnmower:

  • Eliminate spontaneous starting,
  • remove the battery (if used),
  • place the tool on a comfortable place for work.

It is convenient to perform work on the grass trimmer line replacement, when the lawnmower is lying on the table, and the master, who performs the grass trimmer line replacement, has the ability to approach the tool from any side.

Removing the grass trimmer head cover

The first step in disassembly involves removing the grass trimmer head cover. Using the Black and Decker trimmer models and others as an example, to remove the cover it is usually sufficient to apply some pressure to unlock the latch, which is located on the side of the head housing.

On some models of lawnmowers initially provides for the dismantling of the grass trimmer head, for which use the hexagonal key provided with the tool. The head is normally held by two or three screws, which are accessed through the side holes of the back decorative cover.

At the moment of squeezing the locking tab, you need to slightly turn and lift the cover of the grass trimmer head to remove the winding drum.

Step two: Removing the spool (spool) and fishing line

The next step in the process is to remove the spool with the line from the inner area of the head. You need to turn the head with the open side to see the line and spool. On the side of the head find two recesses (eyelets) through which the line is led out.

Release the line from the holes by turning the reel. Then carefully remove the spool from the head area. The winding drum on some models is mounted on a spring. This point must be taken into account when performing the extraction operation.

Remove the old fishing line completely from the spool. To remove the grass trimmer’s old fishing line, remove it from the hinges and pull the free end of the line. This method removes all the old winding. The same process is repeated on the second reel section. Wearing gloves is recommended for the user.

How to change a line in a trimmer?

Tip: Even before use, study the design of the grass trimmer, as it will be difficult to detect nuances in it after contamination.

Remove the trimmer head from the gearbox

There is a notch on the grass trimmer shaft near the connection to the gearbox. If you rotate the trimmer head, the gear shaft will rotate with it. Spin them for a while and you will see a hole in the gear shaft. The notch and the hole must be aligned and some sturdy metal pin (hexagon from the delivery set) must be inserted, which will help fix the gear shaft. Now simply unscrew the part from the shaft.

change, line, chain

To open the head of the weed trimmer, apply a little effort to sink the locking blades with your thumb and middle finger. Now unfasten the cover and carefully remove the bobbin, on which the fishing line is wound.

Cut the line to the right length

To change the line in your trimmer, reel in and cut the required amount of line. The required length depends on the diameter of the particular line for the bobbin and design features, so you need to refer to the manual.

Coil the line

Insert half the line length into the slit on the bobbin’s bulkhead. Now reel both parts of the fishing line onto the grooves of the reel, leaving 15-20cm of length. Slip the remaining lengths of fishing line through the holes and gently wind them so that the coils do not overlap.

Place the trimmer head on the shaft

Insert the bobbin and close the lid until the latches click into place. Lock the gear shaft and screw it back into position.

When using a thicker line, select a trimmer head to match it. Trimmer head models differ in the thickness of the planting shaft and the hole, so it is very important to choose the right size of fishing line for the grass trimmer. If your trimmer is powerful, you can use a slightly thicker line because it won’t stress the engine.

Replacing the fishing line in the drum with 2 tendrils

It should be noted immediately that in a traditional petrolmower, the line is loaded into the drum completely manually. Additionally, there are lawn trimmers with semi-automatic line threading. There are usually no questions to semi-automatic spools, the operator just needs to insert the line into the holes and wind its ends with a spool.

As a rule, professional lawnmowers, that is, models for frequent high volume of work, are equipped with a simple drum, assuming the manual winding of the line. Thanks to their simple design, such coils acquire the highest level of reliability and durability.

  • The first step is to stop the mower completely. If it is an electric model, you must be sure to remove the plug from the socket. If it is a cordless grass trimmer, you need to disconnect the battery, of course, if it is removable.
  • Next, disconnect the spindle, that is, the spool itself with a reel of fishing line. As a rule, the spindle is simply unscrewed, it has no additional clips or latches. Secure the position of the spindle beforehand. Especially for this purpose, a hole is provided in the drum, which must be aligned with the hole in the hood. Insert the metal rod (nail, drill bit, etc.) into the aligned holes.д.).

Note, the spool has a non-standard right-hand thread. It is unscrewed from left to right. This was done on purpose so that the spindle would not unscrew spontaneously while mowing.

  • Disconnecting the drum cover. It is held in place by a pair of snaps. To open the lid, you usually just need to squeeze the latches. If you can not squeeze the latches with your fingers, you can resort to using an impact screwdriver.
  • Preparing the line. You need to cut the fishing line and fold it in half. Bend the center of the line to make a convenient hook from a rounded loop.
  • Insert the loop into the special groove on the central partition.
  • Wind up the line so that the center bar separates the line, folded in half, into two separate channels. Normally the line should be wound against the rotation of the spindle. If the line is wound against the direction of rotation, the line can be fed semi-automatically/automatically.

Semi-automatic feeding is when you only need to press the push button to extend the line while mowing. The automatic feeder, on the other hand, pulls the line independently as the center of gravity of the cutting tendrils decreases.

Many reels have a marking, represented by an arrow pointer. As is clear, the fishing line must be wound in the direction in which the arrow points. The markings may not be in those reels, where the line must be fed manually, on a fully stopped and disconnected brushcutter.

Below is a video attached, the author of which clearly shows how to replace the line on a chainsaw with a semi-automatic reel on 2 tendrils.

How to replace the grass trimmer line with a chain from a chainsaw: increasing the efficiency of the tool

The welding and fastening work itself takes 20 minutes and is not very complicated. Even a person without experience, but with the right materials and tools with the help of the instructions below can cope with this work themselves.

Using a grass trimmer with a chain from a chainsaw can increase the effectiveness of the tool in cases of young growth, as described above, and can also reduce the monetary cost of grass trimmer maintenance.

The key to changing the fishing line is safety. This issue should be handled with extreme caution.

The gasoline trimmer has a clutch that allows the engine to accelerate smoothly. But in electric types, there is a high load quickly due to the torque of the electric motor. This can twist the flexible shaft of the weed whacker, or the motor can break. In the worst case, for example, if you put a chain on a weak grass trimmer, in the process of working with the tool, it can break off and cut a person.

How to tuck a fishing line into a grass trimmer: some simple tips

Thanks to modern power tools, a person has plenty of opportunities to reduce manual labor. Such innovations include the grass trimmer, which greatly facilitates the process of mowing the grass and lawn care. It’s a tool that reduces the time spent on gardening jobs and makes hard physical work a lot of fun. A fishing line is used as a cutting tool in a trimmer. It is under a lot of tension and cuts almost any height of grass. Operating an electric tool is easy enough, but the problem arises when the cutting material runs out. Not everyone immediately understands how to tuck the line into the grass trimmer. Although it is a simple operation, but a person who encounters this task for the first time, it is not always clear how to wind it correctly on the spool. over, the manual sometimes does not provide information on how to choose and replace the trimmer line.

How to wind the fishing line on the grass trimmer reel

If you regularly mow the lawn, sooner or later you will want to know how to wind the line on the grass trimmer. brushcutter manufacturers don’t supply this information, so machine owners often find themselves in a quandary. The fishing line needs to be replaced regularly, otherwise it doesn’t cut grass well or only removes young plants. It is not difficult to change the consumable material. just watch a video or read our instructions, which will greatly facilitate the process.

How to choose the right line for the grass trimmer

For installation on brushcutters, the usual nylon scaffolding (cord) is used. Thicknesses of the material vary, depending on what kind of tool you own and how powerful it is. Figuring out how to fill the coil trimmer for grass, it is advisable to read the manufacturer’s instructions, which provide the allowable values of the forest for a particular model. As a rule, its thickness is:

  • for low-power electric trimmers. from 1 to 1.6 mm;
  • for electric trimmers from 0.5 kW. from 2 to 2.4 mm;
  • for gasoline devices. in the range of 2,4-3,2 mm.

When buying, it doesn’t hurt to consider the structure of the fishing line. The curved one is best suited for cutting younger plants, the round one for coarser grass and the notched one for thinner stems. On average, 2 to 4 meters of cord is required to thread the bobbin. If you wind more than recommended by the manufacturer, it can hamper the movement of the fishing line and lead to difficulties with pulling its new ends in the process of mowing the lawn.

How to refill a grass trimmer spool step-by-step

In order to properly wind the fishing line on the grass trimmer, the main thing is to follow the steps of replacement and safety rules.

Before disassembling the electric grass trimmer, you must disconnect it from the power supply. The trimmer head on any tool consists of the hood, cap, and bobbin with fishing line. The way it is removed depends on the design of the grasshopper:

  • Small devices with a spool in the bottom usually have keys on the sides of the reel. If pressed at the same time, the upper part of the spool detaches with the thread and the lower part remains on the tool.
  • To wind the fishing line on the spool of the grass trimmer with a curved rod, you should find a special drum on the reel. With these models, you remove the head by holding the bobbin and turning the wing nut counterclockwise at the same time. Once the nut is unscrewed, you can remove the entire spool.
  • If the gasoline or electric grass trimmer has a function to install the blade, you will need a screwdriver to disassemble it. To remove the head, you must find a hole under the reel, put a screwdriver in it and then wind the reel clockwise and remove it from the grass scythe.

It is important to mention that the cord is placed on the bobbin, which is located inside the head. To get it out, you need to disassemble the head. Traditionally, there is a special lock on its body, which, when pressed, provides access to the fishing line. To remove the bobbin press the latch-latch and hold it with one hand and turn the lid of the head clockwise.

Some types of trimmers do not have latches, so you have to disassemble the body. When disassembling the machine, it is important to note the order in which you remove all the head components, so that after replacing the filament you can reassemble it in the same way, but in reverse order.

The brushcutter heads may differ in design, so the replacement of the line on an electric trimmer or its gasoline equivalent is carried out with this in mind. If the head has a separating bead, the cord is changed as follows:

  • Measure the necessary amount of fishing line, fold it in half and then secure it with the fold in the special groove. If there is no such groove, the cord needs to be cut into two halves and hook the ends of each of them to the holders which the manufacturer provides in the top and bottom of the bobbin between the bead.
  • Before starting to reel in the line, determine in which direction the line will be reeled. Usually the direction can be seen by an arrow on the reel.
  • Insert the edges of the cord in the groove between the flange and start rotating the spool so that the cord is wound in the direction of the arrow. You put one half of the fishing line and the other half in the same direction.
  • When threading the line into the weed trimmer spool, the free edges of the line must be threaded through the holes in the bobbin after the spool is wound. Lay them perpendicular to one another.

If the spool does not have a separating bead, the line is cut in two halves and put the ends into the holes at the top of the spool. The two parts of the cord are wound around the arrow, making sure that they do not cross over. After winding, the free edges of the line are placed on the sides of the bobbin, and if there are slots in it, they are fastened.

The above instructions apply to 2-tip trimmer heads. There are other winding methods. If you need to figure out how to tuck the line into the grass trimmer, which is equipped with a head with one tendril, note that the process is similar, but the line is not folded in half. With four tendrils, use four pieces of thread, which are placed alternately in the holes of the head.

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The bobbin is installed in the head, take the line out of the side blades and tighten. Then the cord is tightly fixed and the cover is closed. The last step is to put the spool on the mower and pull the line. so it won’t touch the blade guard when cutting the plants.

If you know how to wind the line correctly on the grass trimmer, you can ensure its full and high-quality work. Timely replacement of the cord is a guarantee of even cutting and a long life of the tool.

How to change a line in a trimmer and which one is best

Since the choice of trimmer for grass we reviewed in the previous article, today we will tell you how to correctly fill the trimmer for grass with the line, and what is better to choose based on the working conditions.

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After you bought a grass trimmer and started to use it actively, sooner or later there will be a question of replacing the fishing line, because it is the most wearing element in the tool, the intensive use of the grass trimmer will lead to frequent replacement of consumables.

Types of trimmer heads

Grass cutter head is a cylindrical body, in which is inserted a spool (bobbin) with a spool of line (cord). This design can be installed on both gasoline and electric trimmers. There are three types of heads, depending on how the cord is threaded and fed.

  • Automatic. The filament is fed in after the user has lowered the engine speed. Although automatic line feeding is convenient if you perform large amounts of work, but such bobbins have one disadvantage. high consumption of thread.
  • Semi-automatic. Using this type of head does not require the user to perform complex manipulations. Their working principle is designed so that the filament is fed automatically while the machine operates at full speed. It is enough to slightly knock the head of the grass trimmer on the ground (this removes the cord lock), and the line thanks to the centrifugal force is pulled out of the bobbin, and then cut to the desired length by the knife, located on the protective cover.
  • Manual. Extending the cord requires the machine to stop and the line is pulled out manually.

Based on the above, semi-automatic spools are the best option. Also keep in mind that grass trimmer reels come in single-stranded (used only for trimming grass) and double-stranded, which are used for mowing tall grass and small, thin-stemmed shrubs.

Reel types

There are 3 types of the most popular trimmer heads:


A mechanical spool is a plastic or metal disc in which one or more small sections of fishing line are fixed in different ways, which makes it necessary to change the line manually all the time.

Here are the most popular models of such heads:

Semi-automatic (collapsible)

Despite the variety of models and differences in appearance, the coils of this type are arranged and work according to the same principle.

The base connects the other elements of the trimmer head to the brushcutter or electric mower through a threaded bushing fused into it, so each spool fits only that trimmer, the diameter of the gearbox shaft or the lower motor corresponds to the diameter of the bushing.

There is a spring inside the base that supports the bobbin, pushing the pressure part outward through the removable housing.

The bobbin and bobbin case have retainers that prevent the former from turning, but when the operator strikes the presser part to the ground, the bobbin is released from the detachable bobbin case retainers and turns freely.

There are holes in the removable body for the line, and they are located so that the line exit from the bobbin is noticeably higher, it ensures a reliable fixation of the line in operating condition.

When the operator hits the ground with the bobbin, the bobbin enters the body and all the holes through which the line runs over the line are aligned. Then the centrifugal force pulls some of the wound string outward, and when the pressure on the pressure part disappears, the bobbin comes out of the housing and takes up its working position again.

Automatic (non-disassembled)

Regardless of model and manufacturer, all automatic reels are designed and work according to the same principle.

They consist of the following parts:

A threaded bushing is soldered into the body of the base, and ratchet locks are installed on the inside surface, which allows the bobbin to rotate only in one direction. Inside the bobbin there is a through channel for the line. The cap is firmly placed on the bobbin, and shaped edges facilitate its rotation for winding the line.

How to Wind a Line onto a Grass Trimmer Spool

Winding Algorithm

Lay the fishing line in accordance with the direction indicated on the body of the element.

Insert the short end into the groove on the side of the spool.

Fasten the long end in the opposite groove.

Place the spool with the wound line in the bobbin case.

Cut the ends of the fishing line, leaving 10 to 15 centimeters.

The line change is complete and now all that’s left is to screw the bobbin onto the grass trimmer and you’re ready to work.

Changing the line in a trimmer (lawnmower)

Many garden brushcutter owners are baffled by the question of replacing the line in the trimmer head. Sometimes it turns into a whole problem, which can lead not only to the tool, but also to the mower. To avoid this, let’s examine the process of replacing filament (line) in the brushcutter head step by step.

Remove the head from the gearbox. To do this you need to align the side hole of the bottom washer and the notches on the shaft, put a screwdriver in and secure the shaft against twisting. Then the mowing head can be unscrewed. Remember that the thread on the shaft has a left-hand thread, so unscrew the element by turning it to the right.

The next step is to disassemble the housing. Usually the cover is attached through the slots with the help of locks. To open the brushcutter head you need to press the edge of the cover and press the catches into the housing. If the nozzle has an automatic or semi-automatic line feed mode, it means that there is a spring inside, which may come out when disassembling. Therefore, hold all the parts with your free hand and carefully lay them out on the surface.

Now take a piece of fishing line, measure 5 meters and cut it off. It is not recommended to wind a cord whose diameter is larger than the value specified in the instruction manual of the tool. Otherwise it is possible to get an increased load on the engine and increased fuel consumption. Fold the line in half to find the middle and get the “loop”.

in the center of the spool there are two notches opposite each other (instead of notches there may be holes). Hook the “loop” to one of the notches and start winding the line counterclockwise. If the spool has two compartments, the spooling goes separately for each branch of line. Leave the last 15-20 cm of the cord free and clamp both ends through the notches at the top of the spool.

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Assemble the feed elements (spring and washer) in the nozzle and lead the free ends of the fishing line into the holes on the body. Insert the cover and engage the catches in the corresponding grooves. After that, pull the loose cord.

Now you need to screw it back on, just like in the first part. Only now, in order to twist the element, it is necessary to move it counterclockwise. These simple steps help you quickly change the line in your weed trimmer without having to spend a lot of effort looking for other solutions.

How to change a line 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 line in the trimmer, especially at first.

In this instruction we’ll show you how to change a line, step by step. Getting ahead of ourselves, there are two ways to tuck the fishing line into the trimmer bobbin. There is no fundamental difference. the difference is that in the first case to fill up will be one line, folded in half, and in the second such lines will be two segments.

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