DIY lawn mower repair

In detail: do-it-yourself lawn mower repair from a real master for the site my.housecope.com.

The active operation of garden equipment leads to an early failure of individual units or parts. There is no need to dispose of the equipment, as it may still be useful in the future. After all, having sometimes carried out a small repair of the lawn mower with your own hands, you can return it to its previous working state.

Depending on the area of the lawn and the growth of the grass on it, the owners choose the technique that is optimal in terms of characteristics. It can be of several types:

gasoline devices;
units with an electric motor;
battery-powered equipment.

The mower of an average price can withstand the climatic conditions of St. Petersburg, Moscow or similar regions for about four seasons. More expensive or less exploited garden helpers are able to withstand 5-6 seasons in the field.

Also, the restoration of lawn mowers with your own hands will be required if the winter storage conditions turned out to be inappropriate. For example, work surfaces were not cleaned after use or there was no off-season preventive maintenance. As a result, various problems appear:

frequent sharpening of lawn mower knives is required;
the lawn mower just won't start;
the engine starts, but after a short time the mower stalls;
malfunctions appear at the carburetor, which requires not only disassembly, but also cleaning and repair;
DIY lawn mower repair is required with a significant decrease in power during operation.

You shouldn't go to an expensive service center. Many problems can be solved with minimal costs and repairs can be carried out on their own.

Video (click to play).

The cutting elements must be cleaned after each use. Change oil regularly and carry out maintenance to minimize the risk of damage.

VIDEO: How to lubricate a brushcutter or trimmer gearbox

Mowers, inside which the electric motors are located, most often begin to be capricious due to the oxidation of the contacts. The terminals are covered with a layer of scale from excess moisture in the room or in another storage location. It is also worth checking the absence of wire breaks in problem areas. A multimeter or other type of tester is used for this operation.

Dismantling the Electric Lawn Mower

When a set of garden equipment contains a brush motor, then we identify the operability of the movable unit. Brushes can wear out quickly, resulting in a lack of contact. A repair kit with them costs relatively little, and it is easy to find it in specialized stores, where they sell spare parts for such equipment.

Malfunctions lie in wait for asynchronous motors. Phase-shifting capacitors fail in them. A similar situation is problematic to diagnose at home. It can be identified by indirect symptoms:

a humming sound is heard;
at the start, the body twitches slightly;
there is a significant heating of the motor even at low load;
turnover decreases.

It is worth diagnosing the state of the toggle switch / button and supplying voltage to the electric motor. When the described nodes have been tested, and no malfunctions have been found, it is unlikely that it will be possible to fix the breakdown of the lawn mower with your own hands. Then you will have to use the services of a corporate service.

VIDEO: The electric lawn mower does not start well, the motor jams, the brake clutch is repaired

Primary diagnostics is carried out from the stage of eliminating the most obvious breakdowns. When the engine does not start, it is worth checking the presence of fuel in the tank.If there are remnants of it from last season, then it is worth replacing it. After wintering, low-quality gasoline can lose its characteristics, give an undesirable sediment or even stratify into fractions by density. In this form, he is not able to start the engine, but only clogs the system.General diagram of a gasoline lawn mowerAt the second stage, we find out why the spark does not appear. Its loss will prevent the fuel from igniting. We remove the cap from the candle and unscrew it from the seat with the special key that came with the mower. Next, we put the cap on the candle, bring it closer to the threaded part or the metal element of the motor, and at this time the partner pulls the starter.With such manipulations, a powerful blue spark must appear in the working unit. It can be seen even in daylight. It is important to test this next to an unpainted metal part of the motor that can conduct current.When there is no spark, you need to go to the store for a new candle. Do not return to engine even if spark is weak or unstable. Beforehand, it is better to clean the working contacts from carbon deposits on the head.During operation, rattling may appear in the structure. At first, it does not affect the performance of the mechanism as a whole. However, it can lead to imbalance and increased noise during operation. It is worth tightening the fastening bolts on the frame in a timely manner.Tightening the fixing bolts on the frameAn uneven cut in the grass is an indication that the lawn mower knife needs to be sharpened. Accessing them is not that difficult, but it is important to completely disconnect the equipment from the power supply. Independent work can be carried out using a yew and a file or on a sharpening emery. It is important to ensure that the cut angle is uniform along the entire 30 degree line. If there are chipped areas in the surface, this is evidence of hitting a hard surface. Replacing them will be quite expensive.A whistling sound appears after switching on. An unpleasant acoustic effect is associated with the penetration of foreign elements into the structure. They can block the roller in the aerator. You can solve the problem by disabling the locked roller and then removing the foreign object.The motor of gasoline equipment becomes almost immediately after the start of a short period of work. The culprit is a jammed crankshaft or piston. At the same time, we check the presence of oil in the crankcase. With the engine turned off, manually start the rotation or add oil as needed. However, in such a situation, more often you have to turn to specialists for recovery.VIDEO: The main reason for the breakdown and repair of the self-propelled drive of gasoline lawn mowers

TOREX combination reversible screwdriver with bits

We inspect the gaskets for breaks or burnout. If this is found, then it is necessary to ensure the tightness of the structure by replacing them with new ones. The air damper can contain carbon deposits that reduce the quality of the air / fuel mixture. You need to get rid of it by cleaning the carburetor by washing the unit in a solvent or kerosene.

Choking during operation or the lack of a set of them to enter the operating mode together with overheating of the power unit are the reasons for such events:

Violation of idle speed adjustment. You can unscrew the jets to the correct position using a screwdriver yourself. It will be possible to do this even by ear, so that the motor runs smoothly. The knives do not need to be removed, but they should not rotate.
The air filter is dirty.It is enough to remove it outside and clean, rinse. We dry naturally in the wind, without placing it near the stove or fireplace.

Use a flat screwdriver to remove the air filter cover

After removing the cover, also carefully remove the air hose

Remove the carburetor fuel chamber cover and clean it. For this, an ordinary vadashka is quite suitable, but you can also buy a special liquid.

To clean the fuel chamber, first wipe it with WD-40, then soak it for 15-20 minutes, wipe it again. This should be repeated 3-4 times to completely clean the chamber and channels.

After purging, the carburetor is assembled and returned to its place.

A clogged exhaust will result in a restriction of the exhaust flow from the exhaust pipe. Resins appear on the inner surface due to an incorrect ratio in the mixture of fuel and oil. We twist the crankshaft so that the piston goes up to the maximum and clean its surface with a wooden stick.

In more serious cases, it is recommended to contact the service under warranty. Otherwise, non-professionalism will bring more breakdowns. Moreover, if you independently search for faults and repairs during the warranty period, the warranty will expire.

VIDEO: Instructions for disassembling and cleaning the carburetor using the example of BRIGGS & STRATTON

A reliable and simple tool for cutting grass in a garden area - a lawn mower, is extremely in demand. However, it can break. Repair required. Electric lawn mowers are usually repaired at service centers.In order not to transport a sufficiently voluminous apparatus to the workshop, a number of faults can be eliminated with your own hands.Why won't the lawn mowers start?To answer the question, you need to understand that all breakdowns are divided into mechanical and electrical. The first include malfunctions:To the second - everything connected with the engine, be it electric or gasoline.It is not difficult to repair blunt knives on your own, since they are removable and you can sharpen them with ordinary emery, maintaining a sharpening angle of 30 degrees. In case of malfunctions of other parts, i.e. bodies, wheels, handles, they will also need repair or replacement.In battery-powered devices, battery failure is added to this problem. It is more difficult to cope with the repair of a lawn mower equipped with a motor, i.e. gasoline and electric lawn mower.In the first case, the problem of overheating and overloading, as well as malfunctions in the oil and fuel supply circuit, are added to possible breakdowns. Electrical breakdown can also be caused by overheating or overload, since not all models are equipped with protection.Overheating is caused by prolonged operation of the device with an inadequate air filter, which makes it difficult for a sufficient amount of air to pass through.You will have to cool the electric motor by disconnecting it from the power supply and replace the filter. In the future, in order to avoid repairing the electrical apparatus, it must be cleaned at least once every three months.If there is an abnormal noise or odor, the electric lawnmower needs to be repaired. Not everyone will do it with their own hands, because the drive will need to be replaced.Sooner or later, many are faced with the failure of the lawn mower. This happens, as a rule, after 3-4 years of active operation or after the device was stored in an unheated room in winter.The mower is out of order if:

does not start;

the lawn mower stalls shortly after starting;

the engine does not run at full capacity or is intermittent

Problems with the engine appear over time in all devices, regardless of whether a simple "Chinese" or an expensive "Japanese" are on it. The moment is unpleasant, but you should not be upset, just as there is no need to rush to the service center. You can try to repair it yourself.It is necessary to start repairs, guided by the principle "from simple to complex", i.e. it is recommended to start repairs by checking the presence of gasoline in the tank. If the gasoline device stops starting after wintering, the fuel should be replaced.After all, the fuel, unfortunately, is not always of a decent quality. Consequently, during prolonged inactivity of the device, it may delaminate or form a deposit. And motors are sometimes very sensitive to the quality of fuel.If there is no doubt about the quality of the latter, but the mower does not start, it is necessary to check the spark by removing the wire with the cap from the spark plug and unscrewing it using the supplied wrench.Place the spark plug on a clean metal surface (without paint) of the engine, first putting the cap on it, and asking someone to jerk the starter.If the blue spark does not appear, the plug must be replaced.If an unstable and weak spark appears, the candle will need to be cleaned with a file or sandpaper.They also change it if black carbon is found on the surface, regardless of whether it was formed due to poor fuel quality or an incorrectly tuned carburetor.Another problem that is easy to fix is a clogged fuel hose. They check this by disconnecting it: if the fuel does not flow, then the filter or saloon is clogged. The filter will have to be replaced and the saloon can be cleaned with a needle.It's good if the mower works after that. However, the cause of the malfunction in 90% of cases lies elsewhere - the failure of the carburetor, which will need repair. You can cope with the repair with enough experience. If it is absent, you will need the help of the service center.You should start by checking that there are no open sources of fire nearby. Do not carry out repairs indoors. This is fraught with gasoline leakage.We recommend:Use a flat screwdriver to unscrew the screws to remove the plastic air filter cover from the motor. The removed filter is checked for clogging, cleaned with a vacuum cleaner or replaced with a new one (if the condition is unsatisfactory).It is also necessary to remove the inner filter cover, which is located under the casing. This, by unscrewing the bolts, is easier to do with a spanner wrench. An air hose is attached to its inner side, which will also have to be removed.Finally, we got to the carburetor of a device that can be dismantled. Disconnecting the fuel hose leading to it from the tank, i.e. removing the clamp, turn the hose, trying to remove it from the pipe. You need to do the work carefully. Indeed, if there is fuel in the tank, it will surely spill.The carburetor is attached to the engine with two bolts, which require a union head to unscrew. When unscrewing the second bolt, try not to drop the carburetor so as not to damage the spring suspension.The next step is to remove the return spring. It is more convenient to carry out the operation from the side where it is attached to the motor. Now you can remove the throttle cable by gently turning the carburetor counterclockwise.After removing the carburetor, unscrew the bolt securing the fuel chamber cover.Cleaning is carried out with a special liquid or WD-40 and copper wire, from which the insulation has been stripped.Finally, you can remove the plastic float located under the chamber cover, which regulates the gasoline level, for which you first remove the pin.The camera must be cleaned of plaque. The insides of the carburetor are abundantly moistened with WD-40 (or an analogue), wiped dry. After repeating the operations several times, they clean the fuel channels with the copper conductor, purge them, since their contamination is the main reason why the engine stalls or does not start.After completing all the steps described, assemble the carburetor in the reverse order.After installing it in place, connecting the hose, air is expelled from the fuel chamber. This completes the repair.After the described manipulations, the equipment will start up easily and work stably.If the electric mower is silent, the cause may be a power outage and a broken cord. To check if there is current in the network, use another electrical device plugged into the outlet. The cord must be inspected and replaced if a break is found. Disconnect it with a hexagon, and check for a break with a multimeter.As is the case with gasoline lawn mowers, the cause of an inoperative electric motor can be overheating and overload (blocking of the element by a foreign object). The troubleshooting procedure is the same as described above.Long grass can become entangled in the knives. For repairs, you need to disconnect the device from the network and turn the cylinder in the opposite direction.If the electrical device is silent, the drive belt needs to be repaired as a result of wear: it can be stretched or broken. This means that you cannot do without replacement, for which you need to remove the protective cover.The new belt is first installed on the small gear of the electrical apparatus, then put on the large pulley and turning it.To replace the supply cable of this electrical device, it is necessary to de-energize the device and unscrew the cover.To disconnect the cord, insert a hex key into the hole with the wires, releasing the clip.Install a new power cord in reverse order.The reason may also be in a faulty power switch, which is simply replaced with a new one.If the engine worked, but suddenly stalled, you need to check the crankshaft and piston - they may have stuck. This is due to the lack of oil in the crankcase. With this breakdown, it is better to contact a specialist, as in the case when the electric motor of the lawn mower requires repair.

Owners of beautiful and green lawns using lawn mowers can face problems while working. In this article, we will tell you how to repair gasoline lawn mowers with your own hands, and you will also find out the common causes of breakdowns of this device.

Most mowers are push-driven from the rear, but there are models that can be steered using the steering wheel.

A certain type of device is designed for different jobs. Small ones handle a normal medium-sized plot, while large steering mowers are used for large lawns.

But all devices have the same structure. Let's start with the case. Gasoline mowers have aluminum and steel housings.

Electric lawn mowers lighter than gasoline ones and their body is made of ABS plastic. It is used to create car bumpers.

The mower wheels should be large in diameter so they can easily overcome bumps. They also create less pressure on the ground and do not injure the lawn. The bearings will provide high reliability and durability.

Many manufacturers make the two front wheels swivel. This allows for increased maneuverability. The front wheels pivot around an axle so you don't have to raise the windrower to change direction. Let's talk about knives. All of them, as a rule, are rotary and are located on the working shaft. The diameter of the blades determines the cutting width of the mower.

The rotor performs following functions:

support of knives at a certain distance from the ground;
rotates quickly and cuts the grass;
has blades serving as a fan. The air flow from the fan carries the cut grass into the grass catcher.

All knives are made of high quality steel.

Grass collector Is a large bag or plastic box with air holes. It can be easily removed and the contents discarded.

Many mowers not only cut the grass, but can also grind it into flour. This process is called mulching. In this case, a grass catcher is not used, since the greens after mowing will serve as fertilizer.

Next, we will consider the main causes of breakdowns of this unit and the corresponding types of mower repairs.

If you hear a rumble and rattling noise inside the mower during operation, it means that the engine bolts are loose. Another option for extraneous sounds is a poorly fixed unit body.

All of this can be repaired. Check each bolted joint of the mower and, if you find unacceptable play, tighten the loosened bolts.

The other most common breakdown is strong vibration and sudden uncontrollable movements during work. The problem is a damaged mowing blade or a loose cutting mechanism on the mower motor shaft.

In this case, you can simply tighten the loosened bolts or replace damaged knives if you notice broken elements.

If you hear a whistling sound while the mower is running, the problem is a foreign object getting inside.

As a result, the roller in the aerator is blocked. To fix this problem, it is enough to turn off the video and remove the unnecessary item.

If you notice that when mowing the grass, the mower leaves greenery behind it - this means that the knives in it are dull... It is enough to sharpen removable knives or buy new ones.

If the mower is running intermittently, the drive belt is worn out and needs to be replaced. If, when inspecting the unit, you notice that the clutch cable is stretched - adjust it.

Lawn mower won't start? Take the unit to a service center for a qualified repair. The problem could be spark plugs or running out of fuel. In such cases, a simple replacement of spark plugs or refueling with gasoline will help.

In order not to carry out repairs to the engine or other elements of the lawn mower, carry out a regular technical inspection in winter. You will find the exact recommendations in the original operating instructions.

Engine cleanliness... It is air cooled so that the cooling fins work efficiently and do not overheat, please clean it with a soft brush.

Change of oil... In this case, the mower engine must be still warm so that the remaining oil can be easily drained off. Check the oil level when filling with oil. Be careful not to get dirt during pouring.

At the end of each season we recommend replace air filter mowers. Since during operation, dust settles in it. The spark plugs can also be checked at this time.

If you see that there is a small carbon deposit, white bloom or oil residues on the candle, then it will be enough to clean it or replace it with a new one. In case of any other damage, it is better to replace the spark plug immediately.

By the end of the season we also recommend run out all the gasoline in the tankf lawn mowers before storing the machine for winter storage.

Repair of both gasoline and electric lawn mowers may be necessary at the most unexpected moment. We will tell you about the main breakdowns of homemade and branded equipment, tell you what to look for, and by what signs you can recognize a malfunction.

The lawnmower is a great alternative to the hand mower, making it easier and faster to cut grass in a wide variety of places, including those where a normal mow just won't turn.But behind the comfort and convenience lies a sophisticated modern mechanism that requires unremitting attention and regular maintenance.

Regardless of the manufacturer, all units have a similar design. Therefore, do-it-yourself Viking lawn mower repair is carried out in the same way as for other brands: Husqvarna, Shtil, Bosch, Gardena, Oleo Mak. A home-made lawn mower will not be an exception, but eliminating a breakdown requires basic knowledge. Consider the most common causes of engine failure, and do-it-yourself lawn mower repair in the field.

Regardless of the type of engine, the mechanical part of the scythe includes knives, a device for ejection or accumulation of cut grass and a transmission mechanism. Most often, knives fail or line ends.

Cleaning the mechanical part of the Bosh lawn mower

Broken or bent knives are visible to the naked eye. Depending on the material and the degree of damage, the knives are replaced or restored by simply folding them back to their original state. With heavy wear, the cutting part can be sharpened. A do-it-yourself lawn mower from a trimmer can fail for many reasons. Most often, this is an excess of the maximum permissible torque and engine load, since a knife is used instead of a fishing line.

Restoration of the throttle handle

During inspection, check the condition of the grass supply duct into the container and, if necessary, clean it. More complex mechanical failures require a complex tool, special equipment, professional skills, and it is better to entrust the elimination of such malfunctions to professionals.

Not only factory, but also home-made electric lawn mowers fail. The main reason for stopping the electric motor is loss of contact and lack of power at the motor terminals.

Drawing of an electric lawn mower using the example of TBH 1650

Therefore, first of all, we check the presence of voltage in the power outlet, the condition of the electrical cord and the absence of its breakage. Then, if a collector motor is used, you need to check the condition of the brushes and replace them with severe wear. The brushless hand lawnmower offers increased durability, but requires regular brush replacement.

DIY electric mower engine repair

Asynchronous motor hand mowers also have problems. A phase-shifting capacitor often fails, but testing it in the field is problematic. An indirect symptom of a capacitor failure is:

jerking of the motor at the time of power supply;
strong heating of the engine even at low load;
reduced speed;
characteristic buzz.

Do-it-yourself electric lawn mower is made from scrap materials that can fail. If a malfunction is detected, in any case, you need to make sure that voltage is supplied to the motor terminals, and if it is absent, check the operation of the switch.

DIY electric lawn mower

If there is voltage, the capacitor or brushes are in order, then the most likely cause of failure is a burned-out winding. In this case, the unit will have to be handed over to a repair shop. Home-made electric lawn mowers most often have to be repaired on their own, since when assembling the device, all the nuances of its work are not taken into account.

Lawn mowers use gasoline two-stroke internal combustion engines. When deciding how to make a lawn mower with your own hands, they often use engines from other household devices - chainsaws, compressors, motor plows and trimmers. The process of finding and eliminating the problems of these engines is carried out according to one algorithm. Do-it-yourself gasoline lawn mower repair begins with determining the cause of the failure. Image - DIY lawn mower repair

General diagram of a gasoline lawn mower

In this case, failure of the mechanical part is guaranteed or, as an option, its attachment to the motor shaft is destroyed.

Damage to the mechanical part and repair of the viking lawn mower do it yourself

A do-it-yourself mechanical lawnmower with a gasoline engine does not start well, but it works normally in operating modes (when gas is supplied). Such a malfunction can be caused by two reasons - a malfunction of the idle speed system in the carburetor or an incorrect fuel composition.

Exploded drawing of a petrol lawn mower

To eliminate it, you should start with fuel, combine gasoline and oil of the required brands in the required proportion and pour this fuel into the tank instead of the old one. If this does not help, remove and disassemble the carburetor and adjust the idle system in accordance with the manufacturer's instructions.

Most likely causes: clogged fuel jets, clogged fuel filter, clogged air filter. For elimination: jets are blown with compressed air, filters are changed or washed, depending on their design.

Bosh lawn mower engine repair

If the engine starts and runs at idle, but does not hold the load poorly during operation. Most likely, "oxygen starvation" takes place. Do-it-yourself lawn mower repairs are performed by replacing or cleaning the “blow-through” air filter.

It happens that, despite the presence and normal supply of fuel, the engine does not start. Most often, the absence of signs of life indicates a failure of the ignition coil. If, upon visual inspection, all electrical circuits are in order, then this coil will need to be replaced.

DIY lawn mower engine repair

A less common occurrence is heavy carbon deposits or spark plug failure. It is determined by visual inspection of an unscrewed candle. The most effective way to determine this malfunction is to replace the spark plug with another one that is known to be working properly. When thinking about how to make a lawn mower if the engine does not start, pay attention to replacing the spark plugs with new ones, and preferably more reliable ones.

Taking into account the peculiarity of the “field conditions” in which lawn mowers are operated, the manufacturers of these devices have tried to protect their consumers from possible problems as much as possible. But, as you know, even a manual manual lawn mower, made with your own hands, can fail one day. We really hope that our tips will help you in this case and will direct your troubleshooting in the right direction.Hello! In this article, we will get acquainted with general recommendations for repairing do-it-yourself lawn mowers. And to be more precise, electric lawn mowers, although the principle of their construction is generally the same everywhere, be it electric or gasoline. The drive will only be different. There are several types of electric lawn mowers. They are cylindrical, rotary and mulching. Let's consider the principle of operation and the device of each separately. This gives us the opportunity to successfully repair lawn mowers with our own hands and operate them correctly.These lawn mowers have a set of spiral blades that together form a cylinder. The knives are driven by a large toothed pulley mounted on their axle. The rotation of the electric motor is transmitted to the knives by means of a toothed belt. The lawn mower is moved using a roller, which is driven by the same knife drive electric motor. Image - DIY lawn mower repair

As the cylinder rotates, the knives press the grass against the fixed knife, thereby cutting the grass. The cutting height in this type of lawn mower is adjusted using a roller or wheels mounted in front and behind the knives.

Rotary lawn mowers are equipped with a single horizontally positioned blade attached to the motor shaft.

When rotating at high speed, the knife cuts the grass.Rotary lawn mowers of different models have wheels, and some more modern ones are made on air cushion.

Many lawn mowers have containers for clippings. Those mowers that chop the grass into small pieces and leave them on the lawn as mulch.

All modern lawn mowers are equipped with devices that ensure safety during operation by the fact that there are special handles that must be activated at the same time, emergency shutdown and safety interlock buttons. This must be taken into account when repairing lawn mowers with your own hands. If you are tired or unsatisfied, do not start mowing the lawn. Postpone this activity until you are healthy. Avoid putting yourself and others at increased risk from the mower in operation.
Make sure the power cord and protective covers on the windrower are intact before plugging into the power outlet. Unwind the power cord completely and place it so that it does not fall into the mowing area during operation. And do not forget one more important point. Examine the lawn carefully for small stones, bones, etc. They can damage the knives or be thrown to the side by the operating knives. Place the power cord on your shoulder and hold the mower handle securely with both hands. After that, you can press the switch and start mowing the grass.

1.Knives are dull or damaged ... In this case, of course, you need to check the knives and, if necessary, you can replace them with new ones or sharpen them on emery.

If you have a lot of time, you can work with a file. When sharpening, do not neglect goggles and thick gloves. The knives are sharpened on each side at an angle of about 30 degrees. You can also use special sharpening devices supplied by the manufacturer of this mower model. This is mainly done using adhesive abrasive belts on the fixed blade of the mower.

In this case, the gap between the fixed and movable knives is set small so that the rotating knives touch the abrasive belt.

Then plug the mower in and drive the machine at short 15 second intervals until the blades are sharp. Remove the abrasive belt and adjust the normal gap.

2. Incorrect blade adjustment ... On cylindrical lawn mowers, the gap between the rotating cylinder and the bedknife should be less than the thickness of the paper.

To do this, refer to the user manual for your particular lawn mower model. Disconnect the plug from the socket before adjusting. Achieve uniform clearance along the entire length of the cutting blade.

1 stuck knives ... Long grass can block the mower blades. Unplug the mower and use a wooden stick to turn the cylinder in the opposite direction until it turns freely.

2. The drive belt is broken. ... When a cylindrical mower is operating, the drive belt wears out and this leads to its frequent breakage or stretching. To replace the belt, do the following:
- remove the protective belt cover and you will see if the belt has fallen off or broken

- loosen the screws securing the engine and slide the small drive pulley towards the large one.

Install the new belt on the small gear and gradually turn the large pulley, put the belt on it
- tension the belt by sliding the small pulley away from the large one.

A correctly tensioned belt should have no more than 4mm deflection when pressed with your finger.

3. Broken power cord ... When operating the mower, the power cord moves around the lawn and constantly bends. As a result, the copper conductors of the power cord are often broken. Therefore, if the mower is silent, then start the repair of lawn mowers by checking the supply cable for an open. To replace the power cord, unplug the power plug, unscrew the switch cover and set it aside.

Before unscrewing the power cord retainer, remember how it was connected to the switch.

To disconnect the cord, insert a 1mm Allen key into the holes with the conductors.

This will release the clamp and the conductors can be removed.

Video (click to play).

Now, with a multimeter, check the cord for an open circuit. Prepare a new power cord if necessary. Reinstall the power cord in reverse order.
4. Defective power switch ... Check it and replace it with a good one if necessary.
5. There is no voltage in the socket ... Make sure that the protection on your shield has not worked.
6. The mower is not plugged in .
7. Blown fuse in the mower plug. ... If your lawn mower has a special. plug, it most likely has a built-in fuse. Disassemble the plug and ring the fuse with a tester.
8. The thermal protection of the mower motor has tripped. ... Some lawn mower models have this protection. It shuts off the drive if it overheats or if the mower blade is blocked by something. It's a good idea to check the mower's ventilation grilles for dirt. Clean them with a soft brush if necessary. The thermal protection will turn on the drive itself as soon as it cools down. This concludes the article on repairing lawn mowers. I also recommend reading useful posts jigsaw repair, refrigerator repair yourself. Success in troubleshooting!

Rate the article:

Grade 3.2 who voted: 85