How to change fishing line in your trimmer correctly

How to change lines in your trimmer?

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

Removing the trimmer head from the gearbox

The grass trimmer has a notch in the connection area of the gearbox. If you rotate the trimmer head, the gearbox shaft is rotated with it. Rotate them for a while and you will see the hole in the gearbox shaft. The notch and the hole must be aligned and a strong metal pin (supplied hexagon) must be inserted to help secure the gearbox shaft. Now simply unscrew the part from the shaft.

change, fishing, line, your

To open the grass trimmer head, use your thumb and middle finger to push in the locking tabs. Now unfasten the lid and carefully remove the bobbin, on which the line is wound.

Cut the line to the required length

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

Wind the line around

Insert half the length of line into the slot on the bobbin’s bulkhead. Now wind both parts of the line on the grooves of the spool, leaving 15-20 cm of length. Insert the remaining length of fishing line through the holes and wind it carefully so as not to cross the coils.

Fit the trimmer head onto the shaft

Reinsert the bobbin and close the lid until the catches click into place. Fix the gear shaft and screw the part back into its original position.

When using a thicker line, choose a trimmer head to match it. Trimmer head models differ in the thickness of the seating shaft and the hole, so it is very important to choose the correct size of the line for the grass trimmer. If the grass trimmer is powerful, you can use a slightly thicker line on it, because it will not put stress on the engine.

The final point of the manual

Usually the process of line replacement on a particular model trimmer 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 of its. products of imported.

Meanwhile, there is a much simpler, more economical and useful to human health and nature. bringing in order lawns usual peasant scythe. The blade of the grass brush cutter:

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

Necessary tools

Before you begin, make sure you have the following tools and materials available:

  • A welding machine;
  • a drill, a set of drills for working with metal;
  • vise;
  • felt-tip pen or wax pencil, ruler;
  • A large concave cup, which is used in fixing the grass trimmer blades, a flat washer and a nut;
  • chain from a chainsaw (you can buy a new one or use an old one).

If any material or tool from the list is missing, it can be purchased at any construction store.

How to wind the line on the spool trimmer for grass Patriot?

Almost every beginner when using a grass trimmer faces the problem of changing the line. Despite the fact that changing the fishing line is very easy, you need to learn how to do it correctly. Changing a line with the right amount of skill should take no more than five minutes. just practice it all the time. This article will review the replacement of the line on the example of trimmers Patriot.


To change a fishing line, you need to remove the old line (if any).

See also  How To Fit The Coil To The Trimmer Correctly

The reel is a part of the grass trimmer design, which is located inside the head of the brushcutter, drum or reel. Depending on the manufacturer, the heads may be different. But this article deals only with the Patriot, although their mechanism is used by many other companies.

Now you need to understand how to properly remove the head from the grass trimmer and how to remove the reel from it.

The instruction on how to unscrew the manual head on the trimmer is described below.

  • First of all, you need to clean the head of dirt and grass clings, if it is dirty. To do this, you need to lift the brushcutter head up and, taking hold of the cover, remove the special protective cover dressed on the drum.
  • The next step is to remove the spool from the reel. the coil can easily be removed even with one hand because it is not mounted in any way inside the drum.
  • The reel itself is bolted to the trimmer. This bolt must be unscrewed, after which you can easily pull out the reel. To do this gently, you should support the reel with the spool, while unscrewing the screw counterclockwise.
  • Now you can pull the reel out. As mentioned above, it is not fixed in any way, except for the hook with a metal shaft, so it does not need to be pulled out with force. Gently pull the spool out of the reel in a circular motion.
  • Now it remains to remove the old fishing line and follow these instructions.

Reassemble the spool and reel in the reverse order.

Before topping up, it is a good idea to check that you have bought the correct line for your weed trimmer. Removing the old line when it does not fit increases fuel or power consumption and puts extra strain on the brushcutter engine.

In order to replace the thread itself, you need to prepare a piece of thread of the required size. This most often requires about 4 m of fishing line. The exact figure will depend on the parameters of the thread, such as its thickness, and on the parameters of the spool itself. If you can’t exactly determine the length, you can do the following: insert and wind the thread until the spool is fully charged (the level of the fishing line will be compared to the protrusions in the sides of the spool). Make sure that the line sits flat on the spool.

Do not forget that thicker thread will be shorter than thinner thread.

The instructions for threading the line into the spool are described below.

  • You need to take the prepared thread and roll it in half. Make sure one end is 0,1-0,15 m longer than the other.
  • Now hold the ends in different hands. The one that is smaller needs to be pulled up to the larger one so that it becomes 2 times shorter. Keep a 0.15m indentation when bending.
  • Find the slit inside the baffle of the spool. In this slot, carefully extend the loop that was obtained earlier.
  • To continue working, you need to determine the winding direction of the thread in the bobbin. To do this, it is enough to inspect the spool. there should be an arrow on it.
  • If you can not find the arrow-pointer, it is possible that there is a written symbol. An example is shown in the photo below. It is necessary to inspect the head of the spool. There is a direction arrow on it. However, this is the direction of the spool. To get the winding direction, you need to wind in the opposite direction.
  • Now you need to refill the spool with fishing line. It is worth noting that there are special guide grooves inside the coil. When winding the line, these grooves must be followed, otherwise you could damage the weed trimmer. At this stage, you need to charge the spool very carefully.
  • When the user has wound almost all the thread, you should take the short end (do not forget about the protrusion of 0.15 m) and pull it through the hole located in the wall of the spool. Now you need to repeat this action in the same way with the other end (the other side).
  • Put the spool itself in the head of the reel, before putting the line through the holes inside the reel.
  • Now it’s time to put the reel back in its place. After that, you need to take two hands by the ends of the fishing line and pull them apart. Then put the cover back on (here you can safely apply force until you hear a characteristic click).
  • The “cosmetic work” remains. Check if the thread is not too long. You can start the grass trimmer and check in practice whether everything is comfortable. If the thread came out a little long, you can cut it with scissors.
See also  How to Use a Lawn Trimmer

Which fishing line to choose

Before you stock up on this material for tucking into the grass trimmer, you need to decide on the choice. After all, the usual so-called round line is not the only kind that exists. How to choose the most suitable one? The first thing to do is to determine the working conditions.

Selection by type. Line with a circular cross section is the most common. It fits on all reels, with very few exceptions. This type of material is suitable for mowing fresh, lush grass. But it might not be able to mow what are known as dead wood. Trying to mow shrubs with this type of thread is pointless.

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

It is because of this feature that these kinds of threads are able to mow dry weeds. But pointed strands are not without disadvantages, the main of which can be called fast wear and tear and durability, which is noticeably inferior to the round type.

In addition to the already mentioned types of fishing line, 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 more powerful than one and a half horsepower.

Threads with a metal core come in both round cross-section and sharp edges. Regardless of the type of section, such threads are the best for overcoming hard-to-cut plants. Threads belonging to this type can easily mow not only dry grass, but even small shrubs.

Filaments with a wire inside favorably with its incredible durability compared to other types of consumables. But unfortunately, this feature has more than a noticeable impact on the price of this type. The cost of filaments with a core significantly exceeds the cost of other types of filaments.

Thickness Selection

Also, special attention should be paid to the thickness of the consumable material. A thread with a diameter of one and a half millimeters is good for mowing young grass. The larger the diameter of the thread, the drier and coarser the weeds it can handle.

How To Spool A Fishing Reel. put line on your reel!

There is a “but” when choosing a line of thickness. It’s important not just to evaluate the material’s capabilities, but also to take into account the grass trimmer’s peculiarities. Be sure to look in the owner’s manual that comes with the tool and find information about the requirements for the cutting element.

Using the wrong thread can cause the tool to malfunction. Using too thick a thread will entail overloading the engine of the device. And using too fine a thread will greatly increase wear and tear on the torque mechanism.

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 fishing line is found and purchased, you can proceed to consider how to wind it on the spool.

Choosing a line

To make sure you get the right line for your trimmer head, it is important to choose the right line. The thicker the cord you thread, the thicker and tougher the grass it can cut. A universal line with a diameter of 2 mm is often used. You can find the right diameter for your mower in the following ways:

  • Check the instruction manual that came with your trimmer for information on line thickness.
  • Pay attention to the bobbin itself. Sometimes information about possible line diameters is printed on it.
  • Another option is to try inserting the cord into the outlet hole. If it fits through easily, your chosen line diameter is suitable.
See also  How to change a trimmer nozzle. Lawn aerator attachment for brushcutters - what is it and what is it used for?

You can choose the cord by the type of engine. If the line is too thick, it will increase the resistance to rotation and the motor will overheat and be damaged. Useful tips:

  • For an electric device with a motor under 500 V, a 1.3 mm thick line is suitable. If no such cord is available, a 1.6 mm fishing line may be used. If the power is greater than 1 kW, choose a 2 mm diameter cord.
  • The gasoline grass trimmer has a shaft mower. A 2-mm cord is often used for the curved version. If the shaft is straight, install 2.4 to 2.5 or 3 mm cord. The thickest line 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 lines with a circular cross-section. They cut fresh grass well, but do not handle shrubs and dead wood so well.
  • Twisted cord is not very strong, but is good for thin, young grass.
  • Serrated filament with sharp edges is ideal for large weeds in a neglected area.
  • You can mow the lawn more evenly with a rectangular, starred or square grass trimmer line, but they are not very durable.
  • The strongest is a two-piece cord with an inner core and a circular section.

Note that wire, metal cords and ropes, as well as ordinary fishing line should not be used instead of fishing line. The device will be dangerous for the user and others. So the wire or similar products will gradually start to work, resulting in their ends unravel, and the small pieces fly at high speed.

How with their own hands quickly and easily remove the spool

Before you can replace the old fishing line with a new one in a removable grass trimmer reel, you must remove the head.

The process is completely simple, the work can be done even by beginners:

  • Remove the top fixing cover.
  • Take out the spool.
  • Take out the spring, if any.
  • Use a screwdriver to unscrew the bolt.
  • Remove the body from the shaft.

Types of trimmer heads

Grass cutter head is a cylindrical body, in which is inserted a spool (bobbin) with a line (cord) tucked into it. This design can be mounted on either a gasoline or electric trimmer. There are three types of heads, depending on how the cord is threaded or fed.

  • Automatic. The filament feed is completed after the user has lowered the engine speed. Although automatic filament feeding is convenient if large volumes of work are performed, but such bobbins have one disadvantage. high consumption of thread.
  • Semi-automatic. No complicated operations are required from the user when using this type of head. The way they work is that the cord is lengthened automatically while the machine is running at full speed. It’s enough to slightly knock the grass trimmer head 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. To extend the cord, it is necessary to stop the machine, after which the line is pulled out manually.

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

Read also: How to change the blade on a circular saw