Oil for lawn mowers brands Husqvarna, Shtil - mixing ratio with gasoline, how much to add and what kind of oil to use, video

Household appliances with gasoline engines require a responsible approach to maintenance. In order for the tool to enjoy trouble-free operation for a long time, it is necessary to use fuel and oil for the lawn mower in accordance with the technical operating instructions. Two-stroke gasoline engines operate by adding oil to the fuel mixture, while four-stroke engines have a separate reservoir in the fuel tank.

Fuel mixture for two-stroke engines

Trimmers that are equipped with a two-stroke engine do not have a separate oil supply system for lubricating rubbing parts. For this reason, such devices must be filled not with pure gasoline, but with a mixture of fuel and motor oil. The latter must be specially designed for two-stroke engines. Using water on car engines will lead to early engine failure.

Making a fuel mixture for two-wheeled engines

It is necessary to refuel the lawn mower with a two-stroke engine with AI-92 gasoline. When using AI-95, overheating of the motor and uneven operation of the unit may occur. Gasoline needs to be mixed

with oil in a ratio of 50: 1, where 50. Fuel, and one. Oil. It turns out that one liter of fuel requires 20 ml of oil.

If the engine is worn out or the tool is very loaded, then the ratio is 25: 1. If there is not enough lubrication, then abrasions will appear on the cylinder walls and on the piston. Then the piston ring experiences destruction, resulting in the engine jamming. Excess is not so critical, but can lead to the formation of carbon deposits. In this case, the piston ring will become coked, which will reduce the power of the device.

Proportions of oil and gasoline for fuel consistency

Consequences of violation of the ratio

The service life of the brush cutter engine depends on how accurately you follow the manufacturer’s recommended proportions of the oil-gasoline mixture. The fact is that the fuel mixture enters the cylinders in the form of gasoline-oil mist. And the task of the oil composition is to lubricate the moving and rubbing parts and surfaces of various parts located in the cylinder. If it suddenly turns out that there is not enough oil, and somewhere there is not enough oil at all, the parts coming into dry contact will begin to damage each other. As a result, scuffs, scratches and chips are formed, which will certainly lead to complete or partial unusability of the engine (for example, it may jam).

In the opposite case, when too much oil enters the engine, it does not have time to burn completely, settling on the cylinder walls and turning over time into solid particles - coke, slag, and the like. As you might guess, this also leads to engine failure. The most important thing is that you should not allow even a single violation of the proportion towards a lack of oil. It’s better to add a little oil 10 times than not add enough oil just once. It often happens that this time is enough to break the engine.

Proportions of gasoline and oil

It is necessary to choose a solution taking into account the advice from the braid manufacturer. Typically, AI-92 gasoline is used for the trimer. If the annotation indicates the ninety-fifth, then this should be diluted without unnecessary savings (you should not take below the 92nd). Two-stroke motor oils differ in API systematization. It is worth paying attention to only two types:

• I. For air-cooled engines (suitable for lawn mowers).
• TV. For low power engines up to two hundred cm³ (designed for chainsaws and small bikes).

Other categories (for snowmobiles, boats, etc.) are not used in the grass trimmer. After purchasing a product, you need to pay attention to the packaging. Russian manufacturers note on mixing with fuel:

• Self-mixing. No mixing required, just dilute.
• For the previous mixture. It is necessary to mix before use.

The following table of recommended volumes indicates how many ml of oil will be needed for a given amount of motor fuel, taking into account the required proportions:

Choosing a brand of gasoline for trimmers

You need to select the brand of gasoline for motor mowers taking into account the manufacturer’s recommendations. If you do not follow them, the motor will soon break down. Often, unleaded fuel with an octane rating of 92 or 95 is used to fill the trimmer's gas tank.

Gasoline for fuel mixture

Filling the trimmer with AI-80 gasoline can lead to damage to the device due to its low technical characteristics. Please note that fuel after purchase can be stored for no more than 60 days, and it is better to reduce this period.

Polyethylene canisters are not used for storage, as static electricity will occur upon contact with the inner walls. An accidental spark will cause an explosion. Although, there are special plastic canisters marked “flame”.

Correct proportion

Husqvarna provides more specific information about the fuel mixture. The summary for the Husqvarna 100 30 seven chainsaw reads as follows.

I believe that Husqvarna gives the right advice and prepares a mixture for my mower in a ratio of 1:33, in other words, for one liter of gasoline, 30 grams of third-party oil.

For the Stihl and Husqvarna chainsaws that come to me for repairs, I make the ratio 1:40 because their piston pistons are made of quality metal and can withstand higher temperatures than Chinese piston tools.

READ The trimmer does not start because the spark plug is wet

For Chinese chainsaws, as in the case of a brush, I prepare the mixture in a ratio of 1:33.

Alternative fuel option

As an alternative, many are offered to refuel with AI95 gasoline, but the issue remains controversial. In theory, the characteristics of such fuel are better, but in practice it is better not to take risks and refuel the chainsaw with the usual Soviet AI92.

The main nuance is that AI95 contains additives that are individually selected by the fuel manufacturer. In some cases, such additives can adversely affect the performance of a two-stroke engine.

What are the risks of using the wrong fuel mixture?

Many users of gasoline tools are quite irresponsible when it comes to making a fuel mixture. For example, I met pollen owners who diluted gasoline with oil “by eye.” They simply poured as much as they wanted, and later came to me with faulty equipment.

It's important to realize that more is not better than less. It's the middle ground that matters.

If you are preparing a mixture with insufficient oil, then everything is clear. There will not be enough oil for the cylinder and bearings, which means that friction and temperature will increase, abrasions will be created in the cylinder and the crankshaft bearings may seize.

What happens if you pour it? A large volume of oil during combustion creates a lot of residual combustion products, which settle on the piston, in the cylinder outlet and muffler, impeding the movement of exhaust gases. As a result. Loss of power or complete loss of ability to work.

Carbon deposits that form from excess oil can settle under the compression rings, preventing them from replenishing thermal expansion, leading to a run-off that can be quite severe.

Types of motor oils, their purpose

Motor oil is a special composition consisting of a solvent and additives that reduce friction, create the desired fluidity and prevent thickening when the temperature drops.

According to the method of obtaining the composition there are:

• minerals obtained during the distillation of oil;
• synthetic – by synthesis or processing of natural gas;
• semi-synthetic – improved mineral oil due to the introduction of synthetic components.

For safety reasons, in order not to confuse the products, the oil is colored red, blue or green. The assortment differs in composition; the user needs to buy oil marked: “for garden equipment” 2T, if you need to prepare a mixture for a two-stroke engine, 4T for pouring into the crankcase.

Synthetic and mineral oils have different bases and cannot be mixed. When switching to another type of oil, the system must be thoroughly flushed.

Oil for lawn mowers should be classified as vehicle oils intended for air-cooled engines with a combustion chamber volume of 50-200 cm3. When choosing a product, the important parameter is not the price, but the protective properties for a particular brand of engine. Therefore, first of all, they buy the recommended oil; if it is not available, they select one that is identical in terms of performance.

The alkaline number determines the quality of lawn mower oil. Alkali neutralizes the oxidation process of rubbing materials and slows down the destruction of the surface. When oil becomes oxidized, it loses its protective properties. The normal pH of oil is 8-9 units.

An important indicator is viscosity. Therefore, there are winter, summer and all-season oils. What oil to use for a lawn mower depends on whether the user will work at sub-zero temperatures. Summer oils thicken even with slight cooling. The flash point shows how quickly the oil will burn out of the composition. It is optimal if this indicator is more than 225 0 C.

Standard proportions

First, you should take into account the information that the manufacturer advises, since in case of failure of the shield, you will be able to make your claims to it, and not to a third-party source. If there are no instructions in the passport, and even more so if there is no passport, then we recommend looking for another trimmer model from a more reliable seller.

For all other cases, when you have a model of a gasoline cutter and there is no way to figure out its technical features, there are standard proportions of more possible components of the fuel mixture for two-stroke engines. Basically, these units use AI-92 gasoline and a special synthetic oil that contains a solvent for better mixing with fuel. This oil evaporates slowly and has the ability to burn out one hundred percent in the cylinder without leaving carbon deposits.

The standard ratio of synthetic oil to gasoline is 1: 50. This means that per 5 liters. Gasoline requires 100 ml of oil, and according to this, oil consumption per liter of gasoline is 20 ml. Knowing the amount of oil needed to dilute one liter of fuel, you can simply calculate any standards when preparing fuel for the trimmer. When using mineral oils, a ratio of 1:40 is standard in most cases. Therefore, for one liter of fuel you need 20 5 ml of such oil, and for a 5-liter canister. 100 20 5 ml.

When working with gasoline cutters, it will not be difficult for a person who has some experience with such equipment to determine and correct the actual amount of oil required for a particular model. You should pay attention only to exhaust gases (their color, toxic aroma), cycle stability, engine heating and developed power. More details about the consequences of incorrectly mixing the proportions of gasoline and oil can be found in another section of the article. There are options for shields that run on AI-95 gasoline. This should also be taken into account.

If the manufacturer recommends fuel with such an octane number, then you need to comply with the requirements so as not to reduce the service life of the equipment.

Features of refueling brush cutters

Depending on the engine design, brush cutters are divided into two-stroke and four-stroke . In the first case, the piston in an internal combustion engine makes 2 strokes in one working cycle, and in the second case - 4 strokes. Differences in the operating principle of the engine also determine different approaches to refueling the trimmer.

Refueling brush cutters with a two-stroke engine

In ordinary household models of brush cutters, as a rule, a two-stroke engine is used. A lawn mower does not require very high power and agility, so it is quite suitable for performing the assigned tasks. In addition, this engine is much cheaper and simpler, but it is fueled with a fuel mixture that consists of oil and gasoline. This fuel is poured into the carburetor and supplied to the cylinder in the form of oil-gasoline mist. Thus, the oil provides lubrication to all necessary parts, and during engine operation it burns along with gasoline. However, the combustion of this mixture is accompanied by the release of a pungent odor and smoke, which increases the toxicity of the exhaust gases.

Important! For such brush cutters, you need to use special oil for two-stroke engines, which burns completely without leaving a burn and has low volatility. And so that it mixes well with gasoline, it contains 20% solvent.

Refueling brush cutters with a four-stroke engine

Four-stroke engines are used in professional models of lawn mowers. They have great power and can work for a long time without interruption or refueling. They also use gasoline and oil as fuel, but they are poured into different tanks. This means that the oil does not participate in the combustion process, so the exhaust gases are not so toxic.

On a note! Along with better environmental performance and the ability to heat up less, four-stroke engines of brush cutters are also more economical. They consume much less fuel - savings reach up to 50% on gasoline and up to 80% on oil.

Mixing Rules

Now let’s talk about how to mix the ingredients correctly. But it would be more logical to start with an analysis of the widespread, but completely unacceptable mistakes that many owners of this mowing unit “sin” with. The following actions are considered mixing errors.

• Adding oil to the fuel has already spilled into the gas tank. This way it is impossible to obtain a homogeneous fuel mixture. Maybe it will work if you just shake the trimmer for a long time. But it is unlikely that anyone will do this, taking into account the severity of the unit.
• First, pour the oil into the mixing container, and then add gasoline to it. Gasoline has a lower density than oil, so if it is poured into oil, it remains in the upper layer, in other words, natural mixing will not occur. Naturally, it will be possible to mix it later, but even more energy will be needed than if it were done the other way around. Pour oil into gasoline.
• Ignoring clear measuring devices to take the required amount of ingredients used. In other words, dilute the amount of oil or gasoline “by eye”. This is a bad habit when operating cars.
• Take empty drinking water bottles to make fuel mixture. Such containers are made of very narrow cellophane, which can dissolve with gasoline.

READ Chainsaw Husqvarna 130 Video Review

With all of the above in mind, we recommend using the following rules when mixing the fuel mixture for two-stroke trim engines.

• To store gasoline, oil, finished fuel mixture and its production, use only unstained containers made of metal or special plastic.
• Use a funnel to pour gasoline into a diluent container to avoid spills and to add oil. A measuring container with large marks or a honey syringe for 5 and 10 ml.
• First, pour gasoline into a canister to make a fuel mixture, and then pour oil.
• To dilute the mixture, first pour only half the planned volume of gasoline into the container.
• Next, add the entire amount of oil needed to make the consistency to the gasoline.
• Mix the contents of the dilution container thoroughly. It is better to position using radial movements with the container tightly closed. DO NOT mix the fuel inside the canister with any third-party object, since it is not clear what material this object is made of, what reaction it may have with the ingredients of the mixture, or how to clean it.
• Add other gasoline in a mixed consistency and stir thoroughly again.
• You can fill the fuel tank with a ready-made mixture.

It must be understood that the finished fuel mixture should not be stored for more than fourteen days, because it loses its characteristics, stratifies and evaporates, which leads to a change in proportions and, consequently, to a deterioration in the characteristics of the trimer.

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Sources:

https://www.bolshoyvopros.ru/questions/325024-kak-pravilno-razvodit-benzin-maslom-dlja-benzokosy-kakoj-nuzhen-benzin.html https://stroy-podskazka.ru/trimmery/sootnoshenie-benzina -i-masla/ https://antirun.ru/kak-razvodit-maslo-shtil-dlja-benzokosy/

Features of running in a new tool

This concept includes gentle operation of the chainsaw at the initial stage of its operation. This development also provides for the engine to operate on a consistency with motor oil increased by 20%.

The starting time during engine operating hours is indicated in the attached instructions. In practice, in order for the tool to reach the operating level, it is enough to refill the saw’s gasoline tank 3-5 times.

New models do not require mileage, but the first hours of operation are not recommended for chainsaws with heavy loads.

We service a push-pull trimmer

For a two-stroke engine, the main maintenance operation is the maintenance of the air filter. The frequency is 10 hours of operation. When cleaning, wash the material in warm soapy water. Before reinstalling the surface, lightly soak it in oil.

At the same time, check the cleanliness of the fuel filter (if equipped). However, it is better to clean the fuel mixture when refueling the trimmer. The spark plug is checked regularly for carbon deposits. The gap between the electrodes should be 0.5 mm.

WATCH THE VIDEO

With regular care and proper use, the trimmer will last for many years.

Features of preparation and storage of the fuel mixture

Safety regulations prescribe diluting gasoline and oil in an iron canister. This eliminates the risk of inflammation from static voltage and fuel.

Experts recommend pouring oil into an incomplete container, stirring thoroughly, and then topping it up with pure gasoline to this level. Saving working time by preparing a working consistency specifically in a chainsaw cylinder should be excluded from daily practice.

This development threatens to cause malfunctions in the fuel system due to the entry of a huge amount of oil into the carburetor, requiring disassembly and painstaking washing.

How to properly prepare a gasoline-oil mixture for a chainsaw during break-in

As has already been said, during the process of running in a chainsaw, grinding in of parts occurs. To increase the quality of grinding in parts, it is recommended to fill the tank with gasoline with an increased amount of oil than recommended by the manufacturer. Why is this necessary? During lapping, an increase in friction is observed, so the parts heat up more. To reduce the heating temperature, the friction coefficient should be reduced, which is possible by preparing gasoline with an increased amount of oil.

The gasoline used is AI-92, and you should not use fuel with a higher octane number, as this will only harm the instrument. The buyer must only be sure that the gasoline being poured is of really high quality and corresponds to the declared resistance to ignition under compression.

Oil for preparing the fuel mixture should be used only and exclusively two-stroke. How much oil should be added to 1 liter of gasoline during break-in? To do this, refer to the instructions supplied with the tool, where the manufacturer indicates the normalized value. As a rule, this indicator corresponds to a value of 1 in 50 or 1 in 40. Less common norms are 1 in 30 and 1 in 25, and often such values ​​are presented for Chinese chainsaws. Now let's find out how to properly prepare the gasoline-oil mixture when running in a chainsaw? When grinding in instrument parts, you need to rely on the manufacturer’s recommended proportion value with an addition of 20% or 5-10 ml.

• If the manufacturer recommends diluting gasoline with oil in a ratio of 1 to 40, which corresponds to 1 liter per 25 ml. In this case, you need to add another 5-10 ml to 25 ml of oil. This proportion is appropriate only for the period of running in the tool, which allows reducing overheating of the CPG. However, there is no need to be zealous, since carbon deposits cannot be ruled out on the walls of the CPG.
• When running-in is carried out in winter, then at least 10 ml of oil is added to the norm, and if in summer, then it is enough to add 5 ml to the normal proportion. Increasing the proportion of gasoline and oil in winter must be done in order to prevent excessive viscosity of the lubricant at low temperatures, which will lead to poor quality lubrication of parts.
• It is recommended to use only 2T synthetic oils intended for internal combustion engines with an air cooling system. Synthetic oils are more expensive than mineral oils, but they help increase the service life of the CPG of your tool.

It is not recommended to store the finished mixture for more than 2 weeks if alcohol is present in the composition. If you are sure that gasoline is not diluted with alcohol, then the storage period increases to 2-3 months. Knowing how much oil needs to be added to gasoline when running in a chainsaw, you can safely prepare the mixture and begin the procedure.

Interesting to know! If you are running in chainsaws of the Druzhba or Ural brand, then when running in the engine you need to adhere to the proportion of 1 to 15, that is, you need to add 66 ml of oil per 1 liter. After grinding in the parts is completed, add 50 ml of oil per 1 liter of gasoline.

The ratio of gasoline and oil for a chainsaw

Household and professional chainsaws are powered by two-stroke internal combustion engines running on a metered mixture of gasoline and motor oil, adapted to difficult operating conditions. The correct proportions of oil and gasoline for a chainsaw is one of the fundamental criteria for the measured traction characteristics of the motor and the low price of the assigned resource developed for it.

READ How to Fill the Trimmer with Gasoline

The need to obtain fairly high power from a small-capacity unit necessitates the operation of chainsaw engines in high-speed modes, which increases the quality requirements for both components of the fuel mixture.

Using a trimmer in the garden

In modern conditions, the purpose of a trimmer is to care for the lawn and the area as a whole. Compared to a traditional lawn mowing unit, the trimmer has some advantageous differences:

1. High mobility. This allows you to use the device in hard-to-reach and limited-space places.
2. Versatility. Depending on the type of vegetation, the working parts change, which allows you to cut grass of any height and hardness.
3. Simplicity of design. With timely maintenance, the trimmer does not require regular adjustments or frequent repairs.

When choosing a trimmer, analyze the operating conditions of the unit, which will help you make the correct selection based on the type and power of the engine.

How to choose the right mineral oil

Before diluting gasoline with oil, you need to choose the right raw material. This will not only facilitate the process of its operation, but also increase the service life of the motor.

First, it must be emphasized that almost any model of gasoline saws is equipped with a 2-stroke carburetor engine. Their design includes two separate containers. For gasoline and oil. Household appliances require the use of ordinary oil mixtures, which are used to refuel bikes. At the same time, foreign brand devices require the use of only branded chainsaw oil. If mixtures from a Russian manufacturer were used for this equipment, its performance will decrease and its service life will be shortened.

If we talk about what kind of gasoline to pour into a chainsaw, then using fuel with an octane level of A-95 would be good. As for the oil, it is better to use a branded product.

Typically, equipment users dilute gasoline with a chainsaw with a motor or transmission oil product. Any brand has personal properties that can be studied in the added annotation. For example, option 1 is used as fuel for Husqvarna

, and the Stihl saw is refilled only with a box.

Husqvarna Which Gasoline to Fill

Hello!
I am glad to see you again, dear readers and subscribers of Andrey Noak’s Blog. Anyone who has a chainsaw at home already knows exactly what kind of gasoline and how to fill it. However, for those who just want to purchase such a unit for themselves, the article will seem interesting. A chainsaw is one of the most comfortable and versatile household appliances. Before use, it is necessary to prepare the fuel mixture. However, in order for the unit to work correctly, it is necessary to follow the manufacturer’s advice to our client. Any model is personal, so what kind of gasoline should you put in your chainsaw?

For modern brands, for example, Husqvarna, Partner, Makita, Echo, Shtil, AI-92 gasoline is suitable. Now a colossal number of people are complaining about the early breakdown of chainsaws due to disgusting gasoline. That’s why some experts advise putting AI-95 into such chainsaws. In addition, a good AI-95 can “burn the piston,” and besides, a certain number of people have found a compromise and combine AI-95 with AI-92. Then it all depends on the properties of gasoline and in the end it’s up to you to decide.

For Russian instruments, Ural, Druzhba, it is recommended to take AI-80 gasoline. It is of great importance that fuel consumption is minimal.

When using a two-stroke engine, clean fuel is purchased separately and mixed with oil, often in proportions of 1:50. It is structurally impossible to install an oil pump in such an engine, so pouring uncontaminated gasoline into a chainsaw is strictly prohibited! The manufacturer shows the proportions, quantity and certain brands in the instructions for use.

Fundamental points during manufacturing:

• Russian chainsaws work with oil M8-V, M-12TPU, M8-V, TP, MGD-14M. Sometimes foreign options are used;
• Proportions: 2.7.5 liters of FI-80 gasoline per 100 grams of oil;
• Foreign models have the lowest fuel consumption. They work on foreign oils, and their proportions are 1:40, or 1:50.

Preparation of fuel mixture for two-stroke engines

To properly prepare fuel, a list of additional tools will be useful:

1. Plastic or iron container for diluting the substance;
2. Measuring bottle for gasoline;
3. Dispenser;
4. Syringe;
5. Watering can for filling the tank of a chainsaw.

Some domestic manufacturers, such as Stihl, immediately make measuring containers for more comfortable measurement of fuel consistency.

Various Russian automobile industries produce oils of various colors. The manufacturer HP produces a reddish liquid. Greenish-colored oil is a premium “synthetic” sector. For a Husqvarna chainsaw, you need to use the appropriate brand of oil. It has the highest price, good quality and has a greenish or blue color.

The main thing is to correctly calculate the proportions of consistency. Excess oil can form carbon deposits on pistons and spark plugs. Excess gasoline causes engine damage or the formation of scoring on the pistons. Which manufacturer gives their proportions for models of different power.

To mix the components, the above additional devices will be useful. There are also special canisters on the market with 2 holes for oil and gasoline. It’s simple, pour in the ingredients, screw on the lid tightly and mix by tilting the container. Glass and plastic bottles are used.

No water or dust should get into the fuel mixture.

Fuel storage must be created, counting on 3 refuelings. After all, storing a huge amount of fuel can have a bad effect on the chainsaw’s workplace. A mixture can lead such a life in different ways, it will be influenced by a huge number of reasons. As a result, your household unit may suffer serious damage, which will entail financial costs.

From time to time, even the container can affect the quality of the water. Plastic and glass will react with gasoline, creating a risk of unexpected fire.

Tips for preparing your snow blower for use

It is important to keep in mind that if the chainsaw breaks down due to poor or incorrect consistency, it will not be possible to repair the unit under warranty.

The finished liquid cannot be stored for more than just a month, because the oxidation process occurs. After working with a chainsaw, you need to use up the remaining fuel, turn off the engine and remove the remaining fuel mixture.

One of the most important questions that arises for saw-tool owners, because who wants to know where to count.

The volume of virtually all tanks is approximately 500 ml. If the power of the chainsaw is 2.7 kW, then the fuel consumption will be approximately 1.2 liters per hour of operation. To put it simply, such a tool will be able to work at maximum speed for half an hour without a break. If the chainsaw is not so powerful, then its tank volume will be much smaller. So the user can independently control fuel consumption.

Over time, the user will learn to create a service for his own tool without any help. The main task will be to keep the economic unit in good working order, using high-quality fuel mixtures. Follow safety rules when producing flammable water. This will preserve the tool and will not harm yourself or the environment.

1. From time to time it is better to pour a little oil if you regret it. If you give it little more than just oils, as indicated in the instructions, then nothing special will happen. Formation of carbon deposits due to the mass of oil and failure to comply with the indicated proportions;
2. It is better to store the finished mixture for a month and not even just that, because for some reason it will lose its properties;
3. Proper completion of work. Be sure to use or drain the contents of the tank, this way you can extend the life of the rubber and plastic seals;
4. You should not use oil designed for mopeds for a chainsaw, because it is designed for low speeds.

The correct operation of your equipment in all respects depends on you. Firstly, do not disdain the manufacturers' instructions or, in the latter case, the instructions on the oil packaging. This will help you avoid unpleasant situations. It's rare that a neighbor knows what's best to do. The cheapness of oil and gasoline is not an indicator of high-quality work, because tool breakdown is more expensive (approximately 80% of the price of a chainsaw) than the money saved on fuel consistency.

5L canister for gasoline and 3L Husqvarna Combi oil

You had Andrey Noak, see you again on the blog!

Benefits of branded oils

Many Russian and foreign manufacturers specialize in the production of special motor oils, but branded products from Stihl, Husqvarna and Makita have the highest rating characteristics.

Only in certain characteristics are Russian Lukoil brand motor oils inferior to the branded range.

List of advantages of branded motor oils:

• Economical consumption;
• Stability of operation under difficult operating conditions and during long-term storage;
• Small amount of toxic compounds in exhaust gases
• Almost complete absence of carbon deposits.

According to American systematization, API-TB oils can be used for work in household and professional models. Japanese equivalent. JASO-FB and JASO FD. The production of a flammable mixture using oil for 4-stroke engines is strictly prohibited.

Reddish, greenish or any other color of the oil determines whether the product belongs to the range of a particular manufacturer, therefore it is not taken into account when determining the characteristics of the material. You must be very careful when choosing motor oil of unknown composition and origin.

Until you receive additional information about the quality and performance characteristics, it is better to temporarily refrain from using such material.

It is allowed to mix motor oils of the same type in composition and purpose, made by brands known for the quality of their range. Under no circumstances should mineral and synthetic oils be mixed.

Purpose of the oil

Since the two-stroke engine is not equipped with a lubrication system, it is necessary to fill the chainsaw with a pre-prepared mixture of gasoline and special oil . On domestic models, the brands M8, M12, MGD-14M are often used. Well-known foreign tool manufacturers insist on using their own brand of oils, which are developed in collaboration with leaders in the oil refining industry. But practice shows that replacing one high-quality oil for two-stroke engines with another does not negatively affect the performance and service life of the equipment.

According to the method of production of the motor oil base, they are divided into:

In this list they are listed in ascending order of quality and price. Therefore, if you fill a Husqvarna chainsaw with synthetic oil for a Stihl chainsaw, it will not notice the difference.

How to dilute gasoline for a Husqvarna chainsaw. Chainsaw "Stihl"

For Stihl saws, the manufacturer recommends using absolute-free gasoline AI-92 or AI-95. In addition, the company produces oils for preparing fuel for its own tools. If you purchased a Stihl chainsaw, how to dilute

gasoline oil? The added annotation recommends using a mixture of gasoline and oil in a ratio of 1:50. This means that 20 ml of oil is added to every liter of gasoline, preferably from Stihl.

Do not violate the ratio, this will cause the tool to malfunction. Often, complete with equipment, the manufacturer also attaches a special canister with graduated marks and two holes into which the ingredients needed for mixing are poured.

Sources:

https://stroy-dvorik.ru/pily/kak-razvodit-benzin-dlya-benzopily-huskvarna.html

How to choose a lawn mower?

For two-stroke engines, brush cutters use AI-92 or AI-95 gasoline. Most often - the first of those named. There is information about this in the technical data sheet of the product. If for some reason it is not known exactly which gasoline the trimmer should work on, you can select it by testing both brands of gasoline in action. This will not cause global changes in the engine, but it is quite possible to determine which gasoline this or that model of the unit “likes” more based on some factors. This will be shown by the developed power, throttle response, engine heating, as well as its stable operation at all speeds.

But determining the proportions of oil to a certain volume of gasoline is much more difficult. In this case, you need to know at least something about the manufacturer of the equipment. And using the standard proportions for this manufacturer, select the proportion for a specific model, taking into account the type of oil.

You can even start selecting by country of production.

For example, for Chinese low-power trimmers, two ratios are mainly used - 1: 25 or 1: 32 . The first is for mineral oils, and the second is for synthetic oils. We have already talked about the choice of standard proportions for gasoline trimmers from European and American manufacturers in connection with the type of oil. According to the class of oils for household trimmers, you need to use TV oil according to the API classification. For more powerful ones - TC class.

To find out what ratio of gasoline and oil is needed for a lawn mower, see the following video.

What brand of motor oil should I use?

For each model, the manufacturer recommends a list of materials that must be used. It is better for the user to adhere to these tips; tool failure due to inappropriate fuel and lubricant is not covered by the warranty. In this case, the owner himself pays for the repair of the chainsaw, which is up to 80% of its price. When you can’t follow the manufacturer’s advice, try to follow these rules:

• Use oil only intended for two-stroke engines.
• Do not use after expiration date.
• Do not add used oil with many impurities to gasoline, as this will naturally damage the tool mechanisms.
• Chain lubricant cannot be used for fuel mixture.
• It is preferable to use synthetic and semi-synthetic oils, which are more expensive than mineral oils, as annoying as it may sound, they do not form harmful deposits.

Action: Pour gasoline into the mixing container.

Filling with gasoline is done using a watering can

First, gasoline is poured into the container.

To create fuel, you need to use the kind of gasoline that is indicated in the instructions for the power tool. This is mainly A92 gasoline.

The introduction of gasoline with a high octane number is unacceptable! This leads to tool failure.

The amount of gasoline used must correspond exactly to the proportion, so it is better to use graduated containers with a scale indicating the amount of water poured. In this case, 1 liter of gasoline was poured.

Algorithm of actions

The quality of the fuel increases with proper mixing of the mixture components. Before mowing, the question arises: how to breed, in what sequence. When starting to mix the components, pay attention to whether the containers are clean. An insignificant suspension can block the flow of fuel to the carburetor. The fuel tank should be refilled from a special container with a filter device.

This is the order. Half of the available gasoline is mixed with the specified amount of lubricating fluid. This is followed by the mixing process.

When the components acquire a homogeneous consistency, pour 50% of the remaining fuel into partially diluted gasoline. This is how it is recommended to dilute fuel for the trimmer.

What are the characteristics of a chainsaw?

If you have a cottage or a house in a rural area, you need a chainsaw. For gardening needs, a household chainsaw is sufficient. Its power is small, but it is quite enough for removing old tree branches, sawing firewood and boards. This saw is not very large in weight and size. If you need to cut down trees on your property or are planning construction work, it is better to purchase a semi-professional chainsaw. Its operating period should not exceed 8 hours per day. A professional chainsaw has high power and can work for up to 16 hours in a row. High-strength materials are used to make such saws, and their use requires certain skills. Professional chainsaws are used for felling wood on an industrial scale and for other similar work.

All of these types of saws vary in both power and weight. If you are not planning large permanent work, it is better to limit yourself to a household chainsaw, which weighs much less and is therefore easier to handle. Professional saws, on the contrary, have a power of up to 6 kW and, accordingly, more weight. The choice of such a saw depends on the thickness and strength of the material being cut.

Features of the chainsaw device

A chainsaw is a chain hand tool whose cutting body is driven by a carburetor engine.

Typically, this is a single-cylinder two-stroke engine.

This design is simple, economical, and can work in any position.

In addition to the engine, the saw includes:

• Carburetor;
• Tires;
• Cutting organ (chain);
• Starter;
• Centrifugal clutch;
• Ignition, fuel supply system, air filters;
• Chain lubrication system;
• Muffler;
• Pens.

The motor can be positioned vertically (powerful, heavy-duty professional models) or horizontally (lightweight household tools). Heavy saws are used for cutting and burying trunks and have a large frame size. Light saws are used for cutting branches or sawing firewood and are commonly purchased by homeowners, farmers, gardeners, and more.

The design of the tool is simple, which guarantees high strength and reliability. The motor shaft drives the drive sprocket through a clutch, which moves the chain along the bar via the drive sprocket. The two-stroke engine does not require a camshaft, valve system or other components, which also helps improve the reliability of the design.

A centrifugal clutch has two clutches that press against each other at low shaft speeds, and when the rotational speed increases due to centrifugal force, they press against the outside of the clutch and drive the sprocket. The motor power determines the type of chain. The more powerful the saw, the larger the chain pitch (the distance between the teeth, which determines the performance of the tool).

Petrol trimmer Husqvarna 128R

Reviews (9)

The trimmer is very easy to use, even a woman can handle it, as it is very light weight and has low vibration. After winter, the start is easy, refueled, pumped up and almost the first time it starts. And buy the original fishing line right away, it’s a little expensive, but the consumption is minimal.

READ How much oil is poured into trimmer gasoline

When assembling for the first time, do not overdo the screws on the crosspiece that secures the control handles; uneven tightening can strip the threads. Also, a year after starting, the engine speed began to disappear - there was a vacuum in the gas tank, I removed the mesh in the filling cap, it became clogged, and everything works like clockwork to this day.

Take it and you will not regret it, I have never seen such an unpretentious and light, as well as powerful and cheap mower, the quality is excellent. All the Chinese and Japanese neighbors are falling apart, this one plows and plows, surprisingly, and will soon have to get a new coil due to wear and tear (6 years, 40-acre plot)

Great trimmer. Mows easily and cleanly. The weight is practically not felt if the straps are adjusted well. .

I bought it for my dacha. mow the grass along the fence and where it is inconvenient with a wheeled mower. Impressions for six months are only positive. The weight and comfortable straps allow even fragile women to operate the trimmer.

For 20 acres of my plot there is enough power, and it’s also enough to clear a second such neighbor’s plot. The back does not get tired, because... light weight. The components and housing are reliable and inspire confidence.

I haven't encountered any drawbacks yet. There is only a small note - the gasoline tank is small, but that’s good. But you can rest yourself and let your equipment rest, refueling it every 30-50 minutes.

With my 20-acre plot of land, I have suffered enough with a hand scythe, so it’s time to choose a good gasoline trimmer . I was interested in this model for its price and size, but I was worried that its power might not be enough. Actually, I was worried in vain. All that was left were good impressions and a feeling of pride for the right choice. The back does not get tired, the fishing line cuts almost everything, there is no bone-shaking vibration like most other neighboring devices. To properly set up and run the scythe, you can watch videos on the Internet; there are a lot of them for this model. A little more than a liter of mixture and a day of work is enough to clear all 20 acres of land to zero, while destroying fallow, hogweed, weeds and waist-high tall grass. And yes, remember that a break-in is needed. The first couple of days, mow for 10 minutes at a time with breaks of 7-10 minutes. If you follow all the instructions, this horse will last for many many years.

I’m using it for the third season in a row, what can I say. The other day I took it out of the closet and looked at the object. It's time to change the air filter, the fuel filter is still fine. I mowed all the grass in the garden at once, I wasn’t tired, my hands didn’t tingle, my back didn’t ache. I took this trimmer instead of the Partner T330 Pro, which for some unknown reason cracked at the installation site of one single bearing. Husqvarna was pleased at this point - the 2-bearing crankshaft should be much more reliable. Plus, convenient control in one place on the steering wheel, and not a bar with high vibration, after which all the fingers buzz. The power is similar, fuel consumption is also approximately the same.

My advice to you. If you do not use the scythe for a long time, check the fuel filter before starting to see if there is any deposits or oxidation on it. Replace if necessary. The carburetor on my Partner was clogged, I had to clean the filter every time, but I only did it 3 times and clogged it. As a result, I mowed 25 acres by hand. When I bought the 128R, it took six hours to process the same area and no more than 2 liters of gasoline. oil , 1:50 as required.

I really like the braid, the harness with the belt fits like home, there are two handles, it’s comfortable to hold. Even with a fishing line, all the grass, any bushes, any twigs are demolished. The bevel goes evenly, gathers more or less evenly, without scattering to the sides. The main thing is to study the instructions correctly and do everything you need before the first start. If you have any problems, read the instructions or watch a video on the Internet, everything is described there and in 99% of cases you will solve the problems yourself.

The disadvantages I found can hardly be called disadvantages. A slight vibration causes some discomfort, but not in the joints, but in the skin. This is probably my quirk. Plus, I don’t use gloves, even though the instructions say so. Be careful with the fishing line; bushes that are too hard can easily break it and you have to re-tighten it.

There is no better quality/price ratio on the market! No problems with winding the grass, which many people talk about. Over three years of operation, I did not find any significant shortcomings, it always started easily, and worked flawlessly. It's five!

Light weight, starts quickly, saves fuel, is quite quiet

I bought it last week, and in three days I cleared 35 acres of dacha land from weeds and thickets, tall grass, and young trees. everything went under the knife! Surprisingly, it starts without any effort at all, just do everything according to the instructions. Initially I used a casing with a standard knife. I mowed fine, but the grass kept getting stuck between them. As a result, I removed the protective casing (yes, I know, unsafe, but very productive), and sharpened the knife with a regular file. The braid went like clockwork! Waste so much time with this knife, but I could have just done it as written. It consumes 20-30 percent less gasoline than the similar MTD728.

Interesting observation. I bought gasoline, poured it into old lawn mowers, and they didn’t start. It turned out that the carburetor was clogged. I noticed a small sediment like flakes in the canister, I don’t know what caused it, maybe it was oil and fuel. Now I always fill up my motorcycle using a regular disposable napkin as a filter.

Safe, quiet, lightweight, ergonomic. great helper for gardening)

In short, I recommend the braid! Grass, burdocks, nettles, weeds a meter high. with a bang! I processed the entire area in an hour and a half, with a couple of smoke breaks, it took 0.5 liters. Oh, and it’s also very quiet, I don’t use headphones. Don’t skimp on quality, such equipment is bought infrequently and lasts for decades, and Husqvarna is definitely the best among garden manufacturers.

The entire harness is excellent and comfortable, including the belt. The rest is in the comments.

The most important and scary episode for me went without any problems! The first start threatened to be the last minute for the starter and engine, but the starter started up as it should, the engine did not fall off after 10 minutes of load. This means it’s already better than the Chinese one I had before)) The main thing is to learn how to play with the suction and control the speed correctly. I called the service center and inquired in advance about the cost of repairing the starter in order to amuse my Jewish soul. There he also clarified how to start the engine correctly. So, there is NO NEED to jerk it in fits until the engine accelerates to its full three thousand revolutions. Pull gently, little by little, and then it will start smoothly and will not break under such abuse. As for the work process itself, it’s great, I like everything. Compared to the previous Makita, it’s simply a fairy tale - the grass is placed on the ground at any thickness and degree of density. The line does not fly out, it works almost like a knife. With a full tank (about 400 milliliters), it was enough for me to work intensively for 40-45 minutes on hogweeds, weeds and other tall evil spirits. I did a great job, so I'm very happy with my purchase.

The balance of the transmission and the power of the engine are a source of pride. Holding it in your hands, you feel as if you bought a professional tool, and not a household au pair. It starts without any complaints, no long jerks or swells at idle. In its price category, the best offer, equipment and characteristics are better than any well-known brands))

The bar cannot be disassembled. Maybe it’s stronger this way, but transporting it somewhere isn’t very pleasant.

Sources:

https://teg.by/stati/toplivnaya-smes-dlya-Husqvarna https://dacktil.ru/benzin/skolko-masla-na-litr-benzina-v-trimmer.html https://vdartebe.ru/ benzin/skolko-masla-na-litr-benzina-v-trimmer.html https://husq.ru/trimmer-benzinovyj-Husqvarna-128r

Instructions for refueling a chainsaw

Knowing the ratios for preparing the gasoline-oil mixture, you can start refueling it. Refilling instructions are as follows:

1. First you need to prepare the mixture. Having combined the two main components, mix them thoroughly
2. Place the tool on a clean and level surface. Before unscrewing the gas tank cap, you need to clean or blow out sawdust, dust and dirt.
3. The tank neck should point up
4. Place a small watering can in the neck and then fill in the fuel.
5. Control the refueling process, as the tank volume is small, so it fills up quickly
6. Do not fill to the full maximum, as when closing the tank cap, remaining fuel will splash out.
7. After the fuel is poured into the tank, you must immediately add chain lubricant.
8. The consumption of fuel and chain lubrication is approximately the same, so both tanks must be refilled at the same time
9. After refueling, you can start starting the engine.

It is better to start the engine not at the place where refueling was carried out, but to move to a distance of 2-3 m. The tool is ready for use, and you can start starting it. You can read how to start a chainsaw engine in this material (link).