Running In The Gas Trimmer

Preparing the correct fuel mixture

Before you start running a new lawn mower engine, you need to prepare the fuel mixture correctly. As is clear for two-stroke engines, it is prepared from special two-stroke oil and gasoline, taken in certain ratios. You can find out the proportions from the annotation that came with the tool or on the lubricant label. From the annotation you will also find out the recommended type of fuel, as well as the recommended type of engine oil.

Prepare fuel in small quantities, sufficient for 1 mowing of grass. Use special plastic canisters or separate glass or metal containers for fuel. Oil is best drawn on honey with a syringe.

When going to run in the newest lawnmower, many are faced with a problem in the manufacture of a fuel consistency. And the reason for this is the disagreement in the annotation of the tool manufacturer and in the annotation of the engine oil manufacturer. 1st advise a 1:25 ratio. 2nd advise 1:50. Whom to believe? How to proceed?

How to work with a gas trimmer

Running In The Gas Trimmer

To prepare the petrol trimmer for work, you must start by inspecting the condition of all parts, and the new unit must be unpacked and assembled according to the instructions. First you need to check that there is sufficient lubricant in the gearbox and oil in the crankcase. Next, you should prepare the fuel mixture in the required proportions specified in the technical documentation for the product and start the engine at idle so that it warms up and is fully ready for operation.

Important! In no case measure the ingredients by eye, this will lead to poor engine performance and failure of the petrol trimmer ahead of time.

The area to be treated must be prepared for mowing. Clean it of unnecessary objects: large stones, iron, pieces of wood, glass, wire, etc. It is also undesirable to find people close to 15 m.Depending on the nature of the vegetation on the site, you should choose the correct cutting equipment: for soft grass and weeds with thin stems it is suitable fishing line, and dead wood, bushes and young growth will take a metal knife or saw blade. It is more efficient to handle areas with mixed vegetation with a knife or a disc, this equipment is also suitable for hay harvesting, as the line breaks the blades of grass into small pieces.

Users often buy additional accessories for the basic configuration, for example, a saw blade. We will find out which knife for the petrol trimmer is better and what types of this cutting tool are.

By material type:

Metal. more durable and heavier. With such equipment, the shaft starts to rotate more slowly and a more powerful drive is required, which is displayed on the motor resource of the engine. There are varieties: 4 or more teeth, solid or perforated, 2-4 blades on one knife. The choice of this or that type depends on the power of the gas trimmer, the type of boom (straight / curved) and the tasks set. As a rule, with curved rods, a metal knife or disc is not used, since a foreign object caught under the blade can fly off into a person. They are usually made of tool steel, forged or stamped (cheaper options).

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Plastic. less strong and durable, but lighter in weight and work. Thanks to their flexibility, they reduce the stress on the shaft and thus the trimmer motor. Used for cutting thick grass, soft and tough, and weeds and plants with thin stems.

In addition to the classic forms of knives (2 or 4 blades), there is a kind of "Shark". Such equipment is placed in a trimmer head, from which 3 thin blades radiate out like rays, each set at an angle of 120 degrees and adjusted separately from the others. Shark knife cuts grass of different hardness and dead wood.

If you bought a new petrol trimmer and have never used it, then you should run the engine in order to extend the life of the unit.

How to properly run in the petrol trimmer

Engine break-in and correct initial start-up are very important for the petrol trimmer. They allow parts to rub against each other and preserve the engine’s service life in the future. In addition, during technical work with a trimmer, useful skills appear that will come in handy in the operation of this garden equipment.

Correct engine roll-in algorithm:

  • Prepare the fuel mixture in the required proportions and pour it into the fuel trimmer tank.
  • Add lubricant to the gearbox as needed.
  • Start the engine at idle speed and let it warm up for 5 minutes. Increase gas 2 times for half a minute.
  • Turn off the engine for 20 minutes.
  • Carry out the manipulations at idle speed and with the gas filling, as described in paragraph 3, and again take a break for 20 minutes.
  • Gearbox running in. To do this, mow the grass for 5 minutes and then turn off the engine for 15 minutes. Perform this operation 4 times.

The petrol trimmer runs in until the tank runs out of fuel. After that, you can start intensive work.

Important! Check the presence of grease in the gearbox; at the beginning of operation, add it every 2-3 hours. It is also important to constantly monitor the temperature of the engine and gearbox; overheating should be avoided in order to avoid damage to the petrol trimmer.

Electric hedgecutter BOSCH AHS 45-16

Setting up and running in a trimmer is also not difficult. To do this, you need to build and run it, but not work right away. It is best to start the unit several times (3-5 will be enough) to make sure it is easy to start. If the device starts without problems, you can run it in for five minutes on the lawn grass, without heavy loads.

Almost all modern electric trimmers are designed for 20/20 operation, i.E. Twenty minutes of operation and twenty minutes of rest. The latter is necessary to keep the engine cool. If you operate such a trimmer for more than 20 minutes, without giving it the necessary time to rest, then the engine resource can sharply decrease, since it is experiencing an increased load.

The mode of continuous operation in the electric trimmer is not provided, but, nevertheless, if you do not run it in correctly, gradually increasing the load and operating time (up to 20, but not more, minutes), the device may work incorrectly, causing the owner trouble with constant breakdowns and failures in work.

It is important to remember that running in and putting the device into operation is an integral part of proper maintenance. Thanks to this, the device will last much longer. Its further work largely depends on what the first launch will be. You should not rush, even if the volume of work is not small, it is best to give the electric motor the proper rest, because this way it will last much longer.

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A few tips

It can be hard for a novice gardener to find out if the bushes need pruning at an hour. In this case, it is worth paying attention to the visual signs. If the bush has an unaesthetic size, and the branches have grown of uneven length. be sure. neat pruning of such a plant will not hurt. Well, in order for you to better understand this not at first glance a complex procedure, we want to suggest for you to see several types of pruning.

When working with petrol trimmers, When working, Basic safety instructions. Operating instructions MTD L 09 4-stroke trimmer (990 series)

Open the fuel tank cap carefully to equalize the pressure inside and outside the fuel tank. Fill the fuel tank with gasoline in a clean, well-ventilated area away from sparks and flames.

After stopping the engine, slowly unscrew the fuel tank cap.

Do not smoke when handling gasoline. Remove spilled gasoline with a cloth before starting the engine.

Wear a protective mask (respirator) when working in dusty conditions. It is recommended to wear a long-sleeved shirt. Wear sturdy rubber-soled shoes.

How to work with a gas trimmer

To prepare the petrol trimmer for work, you must start by inspecting the condition of all parts, and the new unit must be unpacked and assembled according to the instructions. First you need to check that there is sufficient lubricant in the gearbox and oil in the crankcase. Next, you should prepare the fuel mixture in the right proportions specified in the technical documentation for the product and start the engine at idle so that it warms up and is completely ready for operation.

Important! In no case measure the ingredients by eye, this will lead to poor engine performance and failure of the petrol trimmer ahead of time.

The area to be treated must be prepared for mowing. Clean it of unnecessary objects: large stones, iron, pieces of wood, glass, wire, etc. It is also undesirable to find people close to 15 m.Depending on the nature of the vegetation on the site, you should choose the correct cutting equipment: for soft grass and weeds with thin stems it is suitable fishing line, and dead wood, bushes and young growth will take a metal knife or saw blade. It is more efficient to handle areas with mixed vegetation with a knife or a disc, this equipment is also suitable for hay harvesting, as the line breaks the blades of grass into small pieces.

Users often buy additional accessories for the basic configuration, for example, a saw blade. We will find out which knife for the petrol trimmer is better and what types of this cutting tool are.

By material type:

Metal. more durable and heavier. With such equipment, the shaft starts to rotate more slowly and a more powerful drive is required, which is displayed on the motor resource of the engine. There are varieties: 4 or more teeth, solid or perforated, 2-4 blades on one knife. The choice of this or that type depends on the power of the gas trimmer, the type of boom (straight / curved) and the tasks set. As a rule, with curved rods, a metal knife or disc is not used, since a foreign object caught under the blade can fly off into a person. They are usually made of tool steel, forged or stamped (cheaper options).

Plastic. less strong and durable, but lighter in weight and work. Thanks to their flexibility, they reduce the stress on the shaft and thus the trimmer motor. Used for cutting thick grass, soft and tough, and weeds and plants with thin stems.

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In addition to the classic forms of knives (2 or 4 blades), there is a kind of "Shark". Such equipment is placed in a trimmer head, from which 3 thin blades radiate out like rays, each set at an angle of 120 degrees and adjusted separately from the others. Shark knife cuts grass of different hardness and dead wood.

If you bought a new petrol trimmer and have never used it, then you should run the engine in order to extend the life of the unit.

How to properly run in the petrol trimmer

Engine break-in and correct initial start-up are very important for the petrol trimmer. They allow parts to rub against each other and preserve the engine’s service life in the future. In addition, during technical work with a trimmer, useful skills appear that will come in handy in the operation of this garden equipment.

Correct engine roll-in algorithm:

  • Prepare the fuel mixture in the required proportions and pour it into the fuel trimmer tank.
  • Add lubricant to the gearbox as needed.
  • Start the engine at idle speed and let it warm up for 5 minutes. Increase gas 2 times for half a minute.
  • Turn off the engine for 20 minutes.
  • Carry out the manipulations at idle speed and with the gas filling, as described in paragraph 3, and again take a break for 20 minutes.
  • Gearbox running in. To do this, mow the grass for 5 minutes and then turn off the engine for 15 minutes. Perform this operation 4 times.

The petrol trimmer runs in until the tank runs out of fuel. After that, you can start intensive work.

Important! Check the presence of grease in the gearbox; at the beginning of operation, add it every 2-3 hours. It is also important to constantly monitor the temperature of the engine and gearbox; overheating should be avoided in order to avoid damage to the petrol trimmer.

How to adjust the ignition of the petrol trimmer

The ignition system is involved in starting the engine. If it does not turn on, then sometimes the ignition adjustment can solve the problem. This system is the same on all types of petrol trimmers, so the ignition setting rules will be the same for all models.

The ignition system consists of two parts: a magneto (coil) and a flywheel with impeller. When the flywheel accelerates, a spark is created that ignites a spark plug, which ignites the fuel mixture.

A quick guide to adjusting the ignition system

Here you will learn how to adjust the ignition in the petrol trimmer. This is a fairly simple procedure. You will need screwdrivers and a piece of thin cardboard.

  • First you need to unscrew the bolts holding the engine cover and remove it. For some models, first you need to remove the air filter cover, and then get to the engine housing.
  • Use a screwdriver to unscrew the two bolts (not completely) that hold the coil.
  • Turn the flywheel so that the magnets are on top.
  • Then you should form the optimal gap between the magneto and the flywheel, this can be done with a small piece of thin cardboard the size of a business card. Place the cardboard between the magnets and the spool.
  • In this position, the magnetic field will pull the magneto towards the flywheel. Hold it gently and tighten the bolts on it at the same time.
  • Take out a piece of cardboard.

In this easy way, you can independently adjust the ignition system in your petrol trimmer.