How to work properly with a gasoline trimmer

What is a grass trimmer for shaving and how to use it

The tool, which is called by the beautiful word “trimmer for grass” takes its name from the English verb “to trim”, which literally means “to shorten” or “to trim” in Russian. Many customers, coming to the store of consumer electronics, are lost in the guesswork, what is a trimmer for grass for shaving and why it is necessary to purchase a separate device, when there are machines for trimming. In fact, the trimmer for grass is a special device, the purpose of which is the care of the hair: bringing to a normal state hairstyle, removal of unnecessary vegetation from the nose or ears, trimming or giving shape to the beard and mustache.

Rich functionality of the device allows you to form a perfect contour of the beard and mustache. Traditionally, devices are divided into men’s and women’s. Depending on the accessory, the appliance must have different functions. Men’s trimmers for grass are more massive and “rough. Their purpose is to remove unnecessary vegetation, give a correct and stylish beard shape, thinning the hair, treating areas behind the ears or smoothing sideburns.

An important characteristic of the male trimmer for grass is the presence of cut length adjustment, which in each particular model can vary from 1 to 6 mm. Feminine devices are traditionally considered more delicate, because they are designed to treat delicate skin. Most often they are used to remove excessive vegetation in the bikini zone, as well as the armpits.

Women’s trimmer for grass differs in its smaller size and delicacy

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Typically, a woman’s device kit includes similar attachments to men’s devices, but they are smaller in size. Also on the shelves of stores you can find devices that are designed exclusively to remove unwanted hair from the nose or ears.

They feature a specially shaped head, which should be smooth and have no sharp edges, so as not to damage the skin when working. It is important to choose the right grass trimmer for the nose, because this part of the human body has particularly delicate skin, when damaged, there is a painful and long-healing wound.

Just like a regular trimmer, in a trimmer the blades make progressive movements that lead to the cutting of the hair

Maintenance of lawn mowers

Here you find information on how to properly care for all machine parts, how to make adjustments, how to disassemble and what and how to lubricate the lawnmower (moving parts).

Engine. Keep the air filter clean, the foam products must be moistened with oil. Fuel filter must be checked at least once a week and replaced in case of faults. Muffler and spark plugs should be cleaned regularly (as they get soiled). Check that all screws and nuts are tightened before each use.

Clean dust and dirt from the bevel gear as often as necessary to keep it cool and then lubricate with any type of gear lubricant, e.g. STIHL.

Trimmer head with fishing line. The mowing head must be cleaned after every use of the weed trimmer and replaced in good time if it is found to be warped or cracked. Only special cord (trimmer line) for trimmers should be used, no ropes or wire! The diameter of the line should be the same as that specified for the particular model. The cords must be wound tightly but without crossing each other’s threads.

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Cutting equipment (blades or saw blades). Metal products must be sharpened (special templates and files exist for this purpose) at a special angle. On double sided models it is advisable to turn them over from time to time to ensure even wear and tear. Blunt or improperly sharpened discs and blades lead to engine overloading and a shortened service life.

Protective guards should always be worn during mowing. These protect the operator from flying grass and stones from under the cutting attachments and reduce stress on the engine. After use, carefully clean the inside and outside of the hood with a jet of water or soft cloth, taking care not to scratch the surface.

When adjustment is necessary

A carburetor adjustment is necessary in the following cases:

work, properly, gasoline, trimmer
  • the new engine has passed the running-in period (4-5 liters of fuel mixture were used);
  • fuel composition (oil and gasoline grade) has changed;
  • the weather has changed (it became hot, cold);
  • the air rarefaction has changed (concerns mountainous areas);
  • after long storage;
  • the load on the engine has increased (after changing tools, etc.).д.);
  • the adjustment screws have unintentionally unscrewed due to vibration;
  • fuel consumption has increased, carburetor overflows fuel;
  • the spark plug electrodes are quickly covered with soot (the fuel mixture is prepared correctly);
  • the engine starts and immediately stops or picks up the revolutions badly;
  • there is no petrol in the cylinder;
  • considerable exhaust fumes.

Algorithm of running in the grass trimmer

Do not rush into intensive work immediately after starting the engine. Let the power tool idle for a few minutes to warm up. During this time, adjust the choke lever position. You can now release the throttle trigger, hold it for 20-30 seconds. After resetting the gas, let the tool work for about 15 minutes at idle speed.

After the first start, the gasoline grass trimmer should be cooled. When the engine is warmed up, you can start the machine with the choke open. Now you should run in the gearbox. Perform the actions in this sequence:

  • Select an area in the area where low, soft grass grows;
  • mow for 5-10 minutes, adding gas at regular intervals;
  • Stop the tool and let it cool down;
  • Repeat the cycle 3-4 times.
work, properly, gasoline, trimmer

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During the running-in process, you should fully exhaust the fuel-oil mixture that is poured into the tool. After the competent performance of the above actions, the gasoline trimmer can already fully mow the grass.

Recommendations for prolonging service life

To avoid repair situations, it is best to try to prevent them. For this you should be guided by the following recommendations.

  • To extend the service life of the semi-automatic spool, it should be pulled by hand more often. Try not to strike the part on the ground.
  • You should not work with a household mower for a long time. In the case of the electric one, this moment is noticeable by the heated hood. But in the first time you should not overload the motor and the gasoline counterpart. It is worth to put a disc only after consuming one volume of the tank.
  • Untimely cleaning can lead to excessive moisture (electric motor suffers) or clogging (gasoline version loses power).

If you treat your mower with care, it will last much longer. And if you notice signs of wear of parts, it is enough to change them in time, which will prevent a more serious breakdown.

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Using a grass trimmer in wet weather

Please note that the use of electric trimmers is absolutely ruled out in rain, wet and humid weather. This can cause a short circuit and an electric shock. It is not allowed to use the power tool even after rain, it is necessary to wait until the lawn is aired and dried. By the way, with petrol brushcutters, everything is not as smooth as we would like it to be. Some well-known manufacturers forbid the use of their models in the rain, as the power units do not have the necessary degree of protection against penetration of moisture.

Also not allowed to operate wet machinery. If the brushcutter has been in the rain for some (however brief) time, you have to take it to a dry place, wipe it off and give it time to dry before starting.

Lawn mowers are devoid of some of the design drawbacks of electric trimmers, but they are not fully insured against failure due to moisture.

Some experts claim that gasoline trimmers can mow nonstop, even if it is raining lightly. Of course, it is not recommended to do this, because the probability of damage to various components and the engine itself increases. Top mounted electric grass trimmer is less sensitive to moisture, but is not immune to power surges caused by water in the extension cord socket. You can be limited to the purchase of a new extension cord, but the repair or replacement of the grass trimmer itself is not a pleasure from the cheap.

Working Principle

If we consider the principle of operation of the grass trimmer, it is similar to the hand-held scythe. The difference is that it is equipped with a motor, with its help the cutting element is rotated.

Manufacturing companies produce the following models of mowers:

  • Which have a gasoline engine. These gardening tools have a fuel tank, this is their distinctive feature.
  • Devices with an electric motor. These tools are lighter because they do not have a fuel tank. But when choosing these models, you have to consider that they need a power source.

All electric grass trimmers can be divided into those that run on batteries, and models connected to the electric network. Each type has its own features, but they affect the power supply unit. If you do not take it into account, the other parts of the design are similar for different devices.

If you take any model of grass trimmer, it consists of such elements as:

  • motor;
  • Fuel tank (electric brushcutters do not have one)
  • levers which are used to control the mower;
  • blade for cutting grass;
  • boom;
  • A bobbin with a wound line used for cutting the grass
  • Protective guard
  • bevel gear.

The motor is placed near the mowing head, it can be installed at the bottom or at the top. Only those models that have a straight boom have a gearbox. If it is curved, the connecting element becomes the root bearing. It consists of 2 bushes.

The trimmer line is used as a cutting device. It can easily be replaced with steel blades and discs, they can be made of plastic or metal.

The choice of cutting element depends on the hardness of the grass to be mowed. Most often a line is used for trimmer, it is called cord. On sale there are products of different shapes, among buyers the spiral and round one is in demand.

The line for the trimmer is wound on a spool, it is inserted into the bobbin, with 2 ends of the wire remaining free. When the mower motor starts to run, the bobbin rotates, the grass is cut by the loose ends of the line.

Setting up the trimmer for grass

Before you start working with the trimmer, you need to perform a number of preparatory actions.

  • Assemble the unit, lubricate the gearbox (if available), adjust the length of the boom and the position of the handle.
  • Gasoline device must be filled according to the instructions, check the condition of the fuel and air filters.
  • The electric grass trimmer must be connected through a grounded outlet, a cordless tool must be fully charged.
  • A trimmer line of suitable diameter should be wound onto the bobbin beforehand.
  • If you have to work with other attachments, inspect them for damage, carefully check the sharpness of the blades and fasten them to the working head.
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The order of preparation for a particular model of grass trimmer is described in detail in the instructions for the device, as well as in the videos, which are published by manufacturers, online retailers and users who have experience with garden equipment.

The rating is based on experts’ opinions and the popularity of the devices among users. Stationary and self-contained devices are included.

Bosch ART 26 SL

Economy class model with good technical characteristics. Bosch ART 26 SL has the power of a motor designed for mowing grass on small areas with difficult terrain. Cutting width. 26 cm. Cutting element is a line for trimmer. Engine power. 280 W. Average Weight of the Bosch ART 26 SL complete 2.25 kg.

  • Inexpensive.
  • Availability of Semi-Auto Feed automatic start system.
  • High quality of grass cutting.
  • Reliable cutting mechanism design.

Huter GET-600

Economy class model. Medium Designed for suburban areas. Grass cutting width. 32 cm. Engine power 600W. Cutting element. trimmer fishing line. It is easy to replace thanks to the push reel. Huter GET-600 copes well with the low grass. Complete weight of the product is 2.3 kg.

Disadvantages of the model Huter GET-600 has not been identified.


Medium Model with bottom mounted motor. Complete weight. 1.48 kg. The grass cutting width. 22.8 cm. DAEWOO DATR 450E cannot be used for mowing grass in wet areas. This is the main disadvantage of grass trimmer. Telescopic boom lets you adjust the length of the holder. Maximum speed of the device. 1200 rpm./minute.

Igor Zh. Review:

Lightweight, silent model. Very easy to adjust the length.

Interskol MKE-30/500

The model is equipped with a non collapsible telescopic folding boom with a movable handle. Power Interskol MKE-30/500 has a power of 500 watts. Cutting width of the grass 30 cm. Cutting head speed is 9500 rpm./min. Cutting tool. trimmer line. Complete weight 2 kg. Medium

  • Low noise and vibration level during operation.
  • Good balancing.
  • Cable holder in the design.
  • Compact.
  • Low weight.

Main drawback. low power.

Denzel TE-1200

Stationary mower with engine power 1200W. Grass cutting width 38 cm. Complete weight 4.7 kg. Denzel TE-1200 is equipped with a carrying strap. Cutting tool speed 7000 rpm./min. Medium

Disadvantage. limited range.

Greenworks 1200W GST1246

Medium Model features a reliable, good quality cutting part. Grass trimmer easily manages thicker weed stems. The line for the trimmer has an automatic feed. 41 cm cutting width. Equipped with a safety system to prevent accidental start. model weight 4,5 kg. Engine power 1200 watts.

Main drawback. high noise level during operation.

Stavr TE-1700P

The model is distinguished by a very quiet operation. Engine power 1700W. Speed 10000 rpm./min. Weight 6 kg. Grass cutting width 23 cm. Complete weight 8 kg.

Alexander Sh. feedback:

work, properly, gasoline, trimmer

Excellent mowing quality. Can cut through tree limbs up to 5mm thick when the blades are mounted.

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