How to get a lawn mower
The operation of the lawn mower should be carried out in compliance with certain rules and safety precautions. The launch of the device also requires the knowledge of some nuances. We tell you how to prepare for operation correctly and start a lawn mower.
Preparation for the launch of the mower is to verify the reliability of fixing all the elements and the preparation of the fuel mixture. As for the first, you should pay special attention to the fastening of cutting equipment. The lawn mowers are usually very powerful, and differ in a high speed of rotation of a knife or disk. Insufficiently fixed blade, first of all, can injure the user. In addition, it enhances vibration in the device, and this often leads to failure.
In most cases, the lawn mowers are equipped with a two.stroke engine. Its refueling requires the preparation of a special fuel mixture.
There is no crankcase in such motors and is not provided for a separate system designed for oil lubrication. The role that these elements perform, takes on a freshly prepared combustible mixture. By the way, and this is important to take into account: the components are mixed from the calculation for one refueling. It is impossible to breed with a “margin”, and only fresh composition needs to be used.
Fuel consists of two components. This is oil and gasoline. Suitable fuel-AI-92, 93, 98. Proportions for minerals. 1:34, for synthetics. 1:50. You should familiarize yourself with the recommendations of the manufacturer of the lawn mower for the viscosity of the oil. There are special products for two.stroke engines and precisely with air cooling. The use of unverified or inappropriate options can lead to the failure of braids for grass.
The mixture should be diluted in a separate clean capacity. This cannot be done directly in the tank of the lawn mower! Half of the fuel volume and all the oil are poured into the container. Next, everything is mixed. Then the remnants of fuel are added. Mixed again. Now you can refuel!
You need to do this by putting the tool on the Earth: there is more likely that the liquid will not spill.
How to get a lawn mower: Action Procedure
To start a gasoline trimmer for grass, you must do the following:
- Close the air conditioning by shifting the lever.
- Turn on the ignition. for this you need to turn the key or handle to the appropriate position.
- If there is a manual fuel pump on a gasoline, then you need to press it 2-4 times until a combustible mixture appears inside the primer.
- Put the device on the ground. Click with a knee on the part where the engine is located, and slowly pull the starter handle until the moment when the resistance appears (the so.called hook). It is necessary to ensure that the gas mowing disk is currently not in contact with anything.
- Then, with a sharp movement, it is necessary to stretch the cord on yourself 3-5 times.
Когда триммер для травы заведён, заслонка открывается и фиксируется в среднем положении. Before operation, you should wait about five minutes. let the lawn mower will work at idle.
If you cannot start, you need to open the damper again. Otherwise, the candle will flood the fuel during subsequent movements of the cord. After that, you should 2-3 times start an open handbrake engine. If you can’t start it, you need to close the damper and try several more times.
The warmed motor is started elementary: its switch is put in the working position. Well, then the cord pulls to the start.
The common mistakes, which are often made by inexperienced owners, include the launch with unknown ignition or making jerks for starting more than five times when the damper is closed.
Where to start diagnostics motorcycles
If the lawn mower does not start or immediately stalls after starting, it is necessary to sequentially check all the main nodes and assemblies. The test algorithm is as follows:
- Fuel tank (fuel quality);
- Candle and candle channel;
- Air filter;
- Fuel filter;
- Graduation channel.
These nodes are most often source of basic problems, which can be eliminated after a thorough inspection.
Check the fuel mixture
Before starting the engine of a gasoline braid for grass, check the presence, and the quality of the fuel mixture. Do not save, do not greedy and “do not smarter” in this matter.
Repair or replacement of the piston group will cost you too much (sometimes up to 70% of the cost of a new tool). Prepare the oil fuel mixture strictly according to the instructions. Calculate its number from real needs.
Excess gasoline left after work loses its qualities over time.
We diagnose a candle and candle canal
If the quality of the fuel mixture is not in doubt, and the lawn mower stalls when starting, then a flooded candle may be the reason. Here, a regular candle key is suitable for repair (every motorist has probably has a spare candle.
- We twist the candle and wipe;
- We thoroughly dry it (you should not bake it);
- Excess fuel in the chamber we drain through the candle hole and dry it;
- We clean the old candle from the carbon on a sugar or a ladies’ file;
- We set a gap with a distance of 1 mm (you can check with any coin);
- We return everything to place and try to start a trimmer for the grass.
Dry the channel at least 30-40 minutes. Otherwise, there is a risk of re.pour a new candle.
If the working candle is working, the nest, where it is located completely dry, and the lawn mower does not want to start, lubricate the threaded connection with gasoline. It should be slightly moisturized. No matter what wonderful spark gives out a candle, there is simply nothing to light up in a dry chamber.
If the trimmer engine for grass still does not start, such a cause as the lack of spark due to weak contact between candles and a high-voltage wire should be excluded.
Will it Run? yard sale leaf blower.
If the connection is of high quality, and there are no sparks, most likely, you have “flew” the ignition unit. Here you can’t do without a master, t. to. The part is not repaired, but sold by a whole knot.
Diagnosis of the filters of the lawn mower
Another reason why the gasoline braid for grass stalls is an air filter. To exclude it, try to remove the filter and start a trimmer for grass without it.
If it turns out, then you will have to change the air filter to a new one, or at least blow and carefully clean the old.
You can’t start a gasoline trimmer for grass due to contamination of the fuel filter. This is the next stage of our algorithm. Here we check the state of the filter element and, if necessary, change it with the new.
When replacing, try not to leave a suction pipe without a filter, this is prohibited by any operating instructions. Rush can turn into the repair of the piston group of the engine.
Sapun and graduation channel
Often, “delicate” branded models of benzos are not launched and stall due. The main function of this element is to align the pressure in the gas tank.
When clogging this node, a vacuum is created in the tank that prevents the supply of fuel. Eliminate the malfunction can be cleaned by cleaning the sounds. You can use a regular needle for cleaning.
Normal work of cos with internal combustion engines can be disturbed due to dirt from the exhaust channel or clogging of the muffler grid.
There is such a problem on the models of the older generation. You can solve the issue with traditional cleaning and removal.
Complex reasons for the refusal of the lawn mower
If the step-by-step algorithm for searching for a malfunction has not given a result, and your braid for grass still does not start or stalls, it is worth examining the carburetor and the engine itself.
A clogged carburetor can become one of the reasons, unstable operation of the tool.
Three main problems can be distinguished here:
- Clogging of channels or nozzles. All this is cleaned with special flushing or blown by a powerful stream of compressed air from the compressor. Do not use needles and wire, so the passing sections can be damaged;
- Wear of the carburetor laying. Output. replacing the failed laying;
- Violation of tightness. To check this indicator, you can use the usual household tonometer, replacing the pressure gauge on it with the right. Follow the testimony: if they do not change, everything is fine, and since the pressure will begin to fall, then some part of the carburetor is faulty. Will have to find it and replace it with a new.
If It Were Not Filmed No One Would Believe It
If everything is in order with the carburetor, then the gasoline trimmer for the grass may not be launched due to wear of the piston group. If chips, scratches or bully are found, on the piston or cylinder they should be replaced.
Piston rings are subject to mandatory verification. A small rally piston when swaying the connecting rod indicates that the time has come to change the rings. This procedure is best entrusted to the specialists of the service center.
If the motor does not start or works incorrectly
Most often, this is caused by the incorrect launch of a trimmer for grass, when the correct procedure is not observed or there is no important component, so just run the correctly and the engine will start. If the lawn mower is poorly started after storage, most likely the old gasoline has ended and it just needs to be replaced.
If the machine has not been served for several seasons, you can find that the air or fuel filter is contaminated, and you just need to rinse or replace it.
If you did everything right, but there is no positive result, contact the repair workshop or diagnose and repair yourself.
Starting the lawn mower for the first time or after a long downtime
The lawn mower differs from a trimmer for the grass in that a fishing line for a trimmer, but a mechanical gearbox or winch based on the gear equipped with a knife, acts as a cutter for grass. The knife drive is much more powerful than the forest mechanism. a powerful lawn mower is also used when cutting the bushes. Both Chinese and European law mmores do not differ in anything special when the declared capacity is real.
We start a trimmer for grass (motorcycle) after winter
For lubrication of gear gears, Litol or solidol is used. Having checked the gearbox, prepare for the work and the engine itself. according to the above instructions. If the start has failed, the problem is already in the engine.
Fuel pouring through the openings for candles
If there is no manual pumping on the engine of the trimmer for the grass and the device did not start, pour a little fuel into the motor itself through candle moves. Make the following.
- Check if the fuel level is sufficient in the tank for draining a small amount of it. It takes only 20 ml.
- Remove the cap from the candle and unscrew it with a candle key.
- If the candle is polluted on the former use of the trimmer, rinse and buy it. There should not be any deposits on the electrodes of the candle. Do not damage the ceramic insulator of the central conductor. In the new trimmer, check the candles for the factory defect.
- Return the candle back and check the spark look (category between electrodes) when the starter triggers.
- Remove the candle again. Using a 20- or 50-cup syringe, pour 20 ml of gasoline into a candle hole from under a candle.
- Insert and fix the candle by setting the magnitude of its technological clearance at least and no more than a millimeter.
- Skip fuel using a button (or lever) of swinging. if it is on your model of a trimmer for grass. Press the button every 4 seconds.
Now try to start the motor. Close the air conditioning immediately after starting.
Preparation of the fuel mixture and refueling
For the convenience of making fuel mixture, it is better to have a special canister. where one part contains gasoline, and in the other 2 stroke oil. We recommend getting similar, it is very convenient to use https: // ru-sad.RU/Prinadlezhnosti-Dlya-Sadovoy-Tehniki/Dlya-Benzopil/Kanistryi/
Next, take a measured container, with a scale applied to it, with its help you can prepare the mixture as accurately and quickly as possible. See in the instructions which brand of gasoline and 2-stroke oil https: // ru-sad.RU/Prinadlezhnosti-Dlya-Sadovoy-Tehniki/Masla-I-Smazki/recommended by the manufacturer of your lawn mower model. Pour gasoline and oil into a container for the preparation of the fuel mixture, according to the proportions specified in the instructions. Then the finished mixture neatly, through the funnel, pour the trimmer for the grass into the fuel tank. The ratio of gasoline and oil should be just the same as indicated in the instructions. This is a very important point!
Launch of a heated engine
It is very simple. Put the switch to the working position and pull the cord to the start. If you do everything according to the instructions, then problems with the launch of a good lawn mower should not arise.
The lawn mower is not started? Eliminate the most common reason
Chinese motorcycles headache for the owner, but still without them nowhere. The main problem is the difficulty of starting after a long downtime. If the lawn mower worked as a clock in the fall, but it does not start in the spring, then you must most likely disassemble the carburetor and clean its valve.
If the motor motorcycles refuses to start, then first of all you need to check the candle. If it is completely dry, then this means that the fuel is not supplied to the combustion chamber and the reason is in the carburetor. Immediately it is worth checking the candle and for the subject of a spark in order to exclude it from the reasons on all fronts.
You can also make sure that the motor itself is serviceable. To do this, having twisted the candle, you need to pour a syringe into a combustion chamber of several milliliters of gasoline. After this, the candle is twisted and the lawn mower is started. If everything is in order with the motor, then it will work for a few seconds. This will once again confirm that it makes sense to disassemble the carburetor.
Next, a plastic protective cover is removed along with an air filter. After that, 2 screws are twisted with a cross.shaped screwdriver, holding the air damper and the carburetor on the engine. Fuel tubes immediately break down.
From the side of the cap of the suction, you need to twist 4 screws with a screwdriver, and divide it into 2 halves. We are interested in half with suction. There is a valve from its inside in the center.
He often sticks out, because after evaporation of gasoline, with a simple on it, a viscous oil works as glue. To check it, you need to put a short thin tube and try to blow the air through it. If he is stuck, he will not be able to blow out in any direction.
Caliping of the valve is eliminated by a conventional match. Toothpicks are better not to use, since they are sharp and can harm. A match must be slightly rested on the valve and stir it. After cleaning the match, it will be blown up.
Fuel will be able to act, so it will work. Cleaning the valve is not a panacea for all motorcycles that do not start after downtime, but this helps in 8 cases out of 10. The remaining 20%, as a rule, are also associated with a carburetor, usually with a needle.
How to disassemble a carburetor and which valve to clean
Having removed the carburetor lid (unscrewing several bolts) you will see the first valve. the fuel feed needle. And in the center of the carburetor (formed by a kind of circle) there will be the opposite end of the lever, connected to the needle of fuel supply. You can check the fuel supply by clicking on the lever. the needle should move freely. If it hurts or is difficult, it is best to clean and grease the part with special means and a cylinder with compressed air.
The inlet valve is also located there. It can only be checked with a small tube, trying to blow the air in both directions. it should pass the air only in one direction, from its concave side. If the air does not pass, then it is necessary to clean the valve. There are two ways to do this, but we will only consider safe. To do this, take a screwdriver and carefully unscrew the small screw next to the valve needle. do it on a flat surface, otherwise, if you lose the screw or needle, you will have to replace the carburetor completely.
By unscrewing the screw, carefully remove the needle and spring, and then with a blunt end of a match or wire, remove the membrane. All parts of the valve must be washed with gasoline, dried and assembled the valve again, and then the carburetor itself. When assembly, it is necessary to inspect once again and if necessary replace all damaged membranes, gaskets.
After assembly, it is necessary to check the launch of the trimmer for the grass. if it does not happen, then you need to check all the systems again. It is for this reason that it is not recommended to independently clean the carburetor for people without experience.
The air damper drive is faulty
A sign of this malfunction is a “heavy” launch of a trimmer for grass after downtime, especially in cold weather. You can eliminate the breakdown by removing the air damper case and disassemble it, check the fastening of the lever and the damper. If there is a backlash, then the part is definitely replacing. These details are easy to find in a store of spare parts for gasoline trimmers, and replacing them will not be difficult.
This is the most difficult problem in the solution, which can only be caused by the use of incorrect fuel, so it is best to contact specialists. But if you decide to engage in the replacement of the rings yourself, be prepared for complex diagnosis. you will have to sort through the entire motorcycle to exclude all other breakdowns, only after that proceed to the bulkhead of the engine.
The main signs of rings of rings are a heavy start “on cold”, a trimmer for grass does not hold idle speed in an unheated state, and also has increased fuel consumption. The speeds are stabilized after the engine heated, and the trimmer for the grass can work relatively normal. but dumping in the speed set there is.
Before disassembly, check what type of engine is used in your motorcycle. The engine can be two.stroke. its disassembly is simple and subject to anyone, and maybe four. such an engine must first be disconnected from the chain drive of the gas distributor, and then completely disassembled. We will not describe the disassembly of the engine. there are many models in the market, as well as ways to disassemble them, we will immediately move on to the rings. Remove the pistons from the engine and carefully inspect them for damage.
If the rings are not torn, but lay down, they can be restored with a gas burner, they warm them well. If the rings are torn, they need to be replaced, also with the help of the burner to heat the old ones and wearing new ones according to the instructions. After that, the engine can be assembled by previously cooing the pistons.
Inspection of the reducer of the lawn mower and its lubrication
Checking the gearbox before starting a gasoline trimmer for grass must be carried out on a regular basis. The lack of lubrication or its small amount increases the friction of the gear gear of a gearbox operating at fairly high speeds.
As a result, overheating and gears occurs. Motokosa gearbox fails. To prevent the occurrence of such a breakdown during operation and the regular inspection helps.
If, before the launch of a gasoline braid for grass, an insufficient amount of lubrication in the gearbox or its absence in the case is laid “litol”. To do this, it is necessary to unscrew the screw on the bend of the gear housing and the “lilest” in the amount of 1-2 ml.
Working with a gasoline trimmer for a long time, every 8-10 mothers add grease to the gearbox of the bar.
Preparation of the correct fuel mixture
Before starting to run the new engine of the lawn mower, you must also prepare the fuel mixture correctly. As you know for two.stroke engines, it is prepared from special two.stroke oil and gasoline, taken in certain ratios.
You can find out proportions from the instructions attached to the tool, or on the labeling label. From the instructions you will also learn the recommended type of fuel, as well as the recommended type of motor oil.
Cook fuel in small quantities sufficient for one mowing grass. Use special canists made of plastic for fuel, or a separate glass or metal dishes. It is best to type oil with a medical syringe.
Having gathered to run into a new lawn mower, many are faced with the problem in the preparation of the fuel mixture. And the reason for this is the disagreement in the instructions of the tool manufacturer and in the instructions of the manufacturer of motor oils.
The first recommend a 1:25 proportion. The latter recommend 1:50.
According to experts, if in the instructions for a motorcycle, manufacturers write a proportion of 1:25 or 1:30, then it is most likely a cheap tool with poor cooling, or the manufacturer does not know what kind of oil will be added to the consumer.
But here it must be understood that the excess of lubricant does not affect the performance of a trimmer for grass in the best way. Excess oil does not completely burn out when operating the engine. It cokes, clogs a cylinder and piston.
What to do in this situation when running in a new tool? An ideal option would be to purchase exactly the oil that the manufacturer of the lawn mower recommends.
In the case of run.in engines, when it is not possible to purchase the recommended oil, it is best to purchase a good Husqvarna two.stroke oil for the same gas tool. It costs not cheap, but there is enough it for a long time. It is necessary to interfere with it as it is written in the instructions on the bank.
Remember, it is best to use the proportion that the oil manufacturer gives. But is that proportion that is written on a spit is better to find out by experiment. If, with a trimmer recommended by the manufacturer for grass, the proportion of the engine sniffs with oil and the subteids are visible on it, then the proportion must be increased.
Why is a trimmer not starting for the grass: the main malfunctions and their elimination
As already noted, such situations are characteristic of trimmers who were inactive for a long period of time. Therefore, after detecting the problem, you need to immediately take up the search for a malfunction.
Fuel as source of problems
The first stage is checking the presence of fuel and its quality. First of all, they are convinced that there is a fuel in the tank. Those who have acquired the unit recently, often forget that the trimmer for the grass needs refueling. If there is no fuel, then the equipment simply cannot work.
If there is a fuel in the tank, but the trimmer does not start for the grass, then the owner needs to check whether he is acting correctly. In this case, it is recommended to study the instructions. If the launch is made correctly, then the malfunction can cause the inappropriate quality of the mixture.
- Oil. It should be special. intended for two.stroke engines. It is not recommended to save on the product, since the life of the equipment depends on the mixture. Trammers for grass with a four.stroke engine require pure gasoline, it is not mixed with butter.
- It is necessary to use not only high.quality gasoline, but also the brand that is recommended by the manufacturer of a particular model. If it is not possible to find out what fuel is necessary, then it is recommended to choose either AI-95 or AI-92, and the last gasoline is a favorite, since the first has additives that react with two-stroke oil. Other brands do not advise using.
- The correct preparation is shifted for a benzotrimer. It is noted that at first this stage is paid to maximum attention, but over time, kosari begin to mix the composition “by eye”, and this is already a serious mistake. The correct ratio of gasoline and oil is 25: 1. For a liter of the first, 40 ml of the second, two.stroke. Motor oil intended for a car is an inappropriate option, since at high temperatures the liquid loses (partially) lubricating properties.
The correct storage conditions of the fuel mixture are important. To save time, some owners prepare it for the future to use it in the coming weeks. This option is contraindicated, since the prepared fuel mixture quickly becomes unsuitable. The reason is the precipitation of oil loss. With this change, both oil products lose their properties. Even repeated stirring is not able to restore the initial quality of fuel. Therefore, they recommend preparing a certain volume: 2 liters, no more.
If everything is in order with gasoline and oil, then they start diagnostics. to check the spark plug.
Candle and its condition
At this stage of diagnosis, you need to stop in more detail. Most experienced owners who are already familiar with the question of why a trimmer for grass does not start, first of all check the state of contact contacts. Diagnosis of this element is carried out as follows:
- First, the spark plug is unscrewed, then inspect. If the electrodes are in perfect condition, then they should have a carpet whose color resembles a brick. Wet element, or white, black plaque on contacts indicates the presence of any malfunction. Pink and red electrodes. proof of a large number of additives in fuel. Such a mixture must be replaced.
- In the event that the spark plug is wet, this means that the combustion chamber has unbroken fuel. It is left in place. Candle contacts are cleaned, then dried (calcination is prohibited). After this stage, the candle is connected to the nurser.
- Then the ignition is turned on, the frontier handle is pulled. When everything is in order with the element, it must issue a constant spark. If it is weak or completely absent, then the verdict is one. you need to replace the spark plug.
There is another reason why a trimmer is not started for grass. This is a big gap that appeared between the contacts of the candle. A distance of 0.7-1 mm is considered normal. To correctly adjust the gap between the electrodes, use special probes.
If there is no such device, then the folk method is used. A razor blade breaks, folds its parts together. Then this “probe” is inserted between the contacts. Ideal. blades that enter tightly.
The problem is in the fuel and the carburetor
If there is a spark, and a trimmer for grass still does not show signs of life, then nuisance can lie in the fuel supply to the combustion chamber. To make sure that this node is to blame, they perform such actions:
- They are typed in a syringe or poured into a lid from a plastic bottle of about 20 ml of fuel.
- Then, through the candle hole, the fuel is neatly poured into the combustion chamber.
- The candle is returned to the place, put on the imminent, the engine is launched.
In the event that the trimmer has started for the grass, the problem may be in the fuel and carburetor. Когда эффекта от проделанных манипуляций нет, диагностику продолжают — проверяют высоковольтный провод. At the slightest suspicion, this consumption element is replaced by a new.
What to do if the engine is a trimmer for grass still refuses to work? In this difficult case, you can follow the following recommendations:
- In doubt about the candle and the high.voltage wire, it is better to immediately replace them.
- If, when checking the new sparkling candle, it was not possible to achieve a spark, then it is almost possible to say with complete confidence that the ignition unit is faulty. the coil came out of the system.
Check its serviceability simply: they twist the candle, then it is led to the trimmer body for grass. If there is no spark when the starter jerks, or it does not appear every time, then a new coil is required. This element can also be replaced independently.
How to avoid most problems?
The work of this seasonal equipment is very affected by its proper storage. over, this applies not only to a long “rest” in the winter, but also of short intervals of inaction. To protect yourself and the technique from problems, you need to adhere to a few simple recommendations.
- Before sending on a well.deserved rest, a tank trimmer for grass is freed from fuel remnants. To remove the entire mixture, the lawn mower is launched and allowed to work until the engine is stalled.
- The first operation after “winter hibernation”. pouring a small amount of oil into the candle hole. Before that, the piston is moved to the extreme position. Such a lubricant will facilitate the launch and prevent premature wear of the details.
Before starting working with a motorcycle, they must check the candle and all the main equipment components.
Reasons why the trimmer for grass does not start is quite a lot. But most of them can be detected and fixed independently. The main thing is the correct diagnosis, attentiveness and sequence of actions. And about how you can cope with problems, the master from the next will tell in detail
How to understand that the carburetor of the lawn mower needs to be adjusted
The following signs may indicate this:
- Difficult launch of the motor, weak speed set.
- Increased fuel consumption.
- The engine works unstable, the speed is often jumping.
- There is a large amount of exhaust gases.
Find out whether the carburetor is correctly adjusted, checking the spark plug will help. First we release it from the casing, disconnect the contacts from the igniter.
Clean the candle nest with a device that pumps the air. For this purpose, a compressor with a small tube is perfect. Using a dynamometric key, we remove the candle.
After pour the sparkle with the spark plug for flushing the thread into the nest, unscrew the candle to the end after a short period of time. If the electrodes are black, then this is a dozen that is associated with poor carburetor adjustment. If she is a brick shade, then everything should be in order with a gas station.
After a long period of downtime, the tool also needs to be adjusted. For example, after winter.
It is also recommended to set up a setting when changing the composition of the fuel mixture: oil or gasoline.
How to adjust the carburetor of the lawn mower with your own hands
- Run the motor. When it is launched on the XX, knives should not rotate, but if the opposite occurs, then we reduce the speed of the idle.
- We adjust the screw l. He is responsible for the mixture at low speeds. First, scroll to the stop clockwise, then unscrewed 90 degrees against the sentry. If you find failures, we repeat this action, weakening it for 1/8 part, that is, 45 degrees.
- Adjust the La screw, more frequent name. t. With an increase in speed XX, more air is added to the mixture. Power is lost. But if there is not enough air, fuel is burned worse. We unscrew the screw so that it works perfectly at low speeds, while the knives should not rotate. In the process of setting, you need to feel momentum, it should work stably on XX.
- Adjust the screw h, which sets up the mixture at high speeds. To identify their maximum quantity, we use a tachometer. Upon reaching the largest number of engine speed, we unscrew the screw to the left by 180 degrees, the adjustment on this ended.
Sometimes only the correct setup and the use of the device reveals its entire potential. No need to neglect it and conduct as necessary.