single axle tractor MB 2 no spark

Ignition of the Neva motorblock

Despite the fact that power tillers Neva is distinguished by its durability, durability and high quality, however, sometimes this technique fails in its work. It happens for various reasons, but nevertheless if the problem has appeared, it is necessary to solve it.

This article we will devote to the ignition problems in the Neva and their elimination. Let us tell you how to get rid of the malfunction yourself and what you need to do to do this. The fastest and most effective adjustment of the ignition coil

  • We take a piece of A4 sheet of paper and fold it in four.
  • Loosen the two bolts fixing the module.
  • Putting a piece of paper under the cushion.
  • We press the pillow and hold it until we tighten the bolts.
  • Clamping and tightening the bolts.
  • Turn the flywheel.
  • When turning the handwheel, see if there is a spark.

How to check the ignition coil on a power tiller?

Most often, the test of this important element of the ignition of a motor-block is carried out with the use of a known working test sample. If in the process of testing it turns out that with the installation of the sample everything started working as it should, it means that the built-in ignition coil of the motoblock is defective.

However, not everyone has a test sample at hand. If it is not there, then you need to try to check the built-in coil in other ways. Before this, it is necessary to rule out any breakdowns that may appear in the start button and high-voltage wiring. In addition, the user should carefully study the wiring diagrams. which indicate the location of the ignition system components.

Further ways to check it include:

  • Measuring the resistance of the integrated ignition coil. It is worth noting that it is not always used by users of agricultural machinery. First, the operator must know the exact parameters of the resistance created by the regular coil. Secondly, in addition to the inductor coil, the ignition system design includes semiconductor components required to generate the desired electrical pulse. Problems with all these elements can be identified only by heating them. To properly check the ignition coil, you will need to disconnect the ignition cap and the original armature. Knowing the exact resistance parameters of the built-in element, the operator can understand which part of the system is defective;
  • check the spark created with a special device. it should be connected to the place of the electrical circuit break between the high-voltage wires of the regular coil and the spark plug;
  • testing of the coil by means of an integrated spark plug. this is done by unscrewing the integrated spark plug and carefully placing it with its body against the cylinder. Then you need to pull the starter knob and pay attention to the spark that forms between the factory contacts of the candle. It should be noted that this method of checking the available coil is approximate. the spark plug in this case is not under load, due to which there is no compression in the cylinder of the internal combustion engine. As a result, the standard flywheel of the motor will rotate faster.

Each of these methods gives approximate information about the condition of the ignition coil. It is necessary to remember that to find the exact cause of failure of the part is possible with the use of specialized testers, which are available only in specialized workshops.

How to set the ignition on a cultivator

With frequent jerking of the starter rope of the Neva cultivator, over time, the engine begins to start with a delay. In such a case:

  • Put the angle piece on the spark plug;
  • Press the housing against the cylinder head and turn the ignition element in the opposite direction from the holes;
  • Turn the crankshaft and pull the cable several times;
  • A spark must appear when pulling, if not, you must adjust the correct gap between the handwheel and the magneto.

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Adjustment and adjustment of the magneto is quite simple. The most common cause of coil malfunction on a power harvester is the spark plug. That’s why every motocultivator owner should have a set of spare spark plugs in his toolbox.

The most popular spark plugs from well-known manufacturers are Bosch and Subaru.

Check the plugs as follows. In order to check the serviceability of the coil plugs of the MB motoblock and MB 1, you need to follow the following instructions:

  • Unscrew the spark plug. Wipe the electrodes.
  • If there is carbon deposits, clean them.
  • Set the distance between the electrodes.
  • Put on the spark plug lug with a high-voltage wire.
  • Press on the cylinder housing. The electrodes should point in the same direction underneath the spark plug.
  • Turn the crankshaft, observe the spark formation. If it is not there, then the problem is in the spark plug.

Who owns power tillers, he must remember that if a spark is formed, it is necessary to look at its brightness. If the color is intense, the setting and adjustment of the magneto was successful.

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For good magneto performance, it is important to watch the clearance between the flywheel and the stator. The distance should be between 0.1 and 0.15 mm. If the indicators do not correspond to the required, then it will not be difficult to adjust them.

To set the optimal gap size you need to remove the fan cover, loosen the stator bolts and insert the dipstick. Then you need to set the required values and tighten the nut.

Repair of the ignition for motor blocks is also not very difficult. The most common cause of magneto failure is spark plug failure.

To check it, you need to carefully unscrew the spark plug and inspect it.

If the spark plug is dry, it means that the fuel is not flowing into the engine system. If the spark plug is wet, it means that the spark plug is constantly flooded with engine oil.

To repair in the first case you need to wipe the candle, in the late repair dry the engine cylinder by running it at idle speed.


Cascade” power tillers have established themselves as a reliable assistant to the farmer. These are productive, hardy machines, capable of working with a full range of attachments to serve as a cultivator, plow, mower, snow plow, and more.

To ensure that the singleaxle tractor works smoothly for many years, during its operation it is necessary to follow the instruction.

Timely maintenance of the power tiller is also important. For the Cascade, the maintenance schedule is the same as for any other domestic power tiller:

  • Scheduled maintenance: once a season, at the end of seasonal work and before work begins (beginning and end of spring, beginning and end of summer, etc.). д.);
  • Regular, mini-inspection every day at the end of work and before turning the power tool off and an external checkup for damage, paint chips, etc. д.;
  • winter storage. is allocated to a separate category of maintenance, because it provides for drainage of all fuel and lubricants and storage of motor-block in the room with positive temperature, at the end of the winter “preservation” unit is refueled with fuel and lubricants;
  • annual preventive maintenance of the engine (fault detection, troubleshooting, maximum service life of the engine and other key components of the unit).

Below we will consider the basic rules and requirements for fuel and lubricants, the process of starting and running-in of a motoblock “Cascade”, as well as the most common malfunctions of these devices.

Does not start the singleaxle tractor Cascade: spare parts and repair with their own hands

Lawn and gardening equipment today is very popular precisely because of its versatility. Today you no longer have to manually plow huge fields or even small vegetable gardens, no need to dig out and manually collect potatoes, and in the winter time to remove snow from the homestead. All this will be done for you by special equipment.

Cascade appliance is made in Russia and is one of the most popular gardening equipment in the country. This is not surprising, because they have excellent technical characteristics and will last for many years.

However, it happens that the device fails. When a singleaxle tractor Cascade starts up and stops, you need to immediately look for the cause of the breakdown. Otherwise you can make the problem worse.

The ignition device of a power tiller

The ignition system belongs to the list of the most important nodes of both branded and homemade motoblock. Its main function is to generate a spark, which is necessary for ignition and gradual combustion of fuel in the chrome cylinder of the internal combustion engine.

The simplicity of the factory device of the node allows you to perform your own repair of the ignition of the motor block. which, more often than not, consists of adjusting the gap between its elements. However, in order to do this correctly, you need to study the design of the node.

The ignition device of any farm machine includes a coil, which is initially connected to the electrical supply of the system, as well as the magneto and spark plugs. When starting the power unit of a power tiller, voltage is applied, as a result of which a pronounced spark is formed between the magnetic “shoe” and the regular spark plug.

The electronic ignition system of the motoblock is also often equipped with breakers, which are triggered automatically when any of the faults of the node. This leads to an emergency power failure in the network.

How do you start a power tiller??

As you know, power tillers come in gasoline or diesel. Starting up is done in different ways. Therefore, the reasons why a single-axle tractor Neva does not start can vary significantly.

Before you start a single-axle tractor after purchase or after winter, you should check the presence of each part and their condition, the state of contacts and wires. It is also necessary to change the oil and fill the fuel.

Most often the unit may not start just after winter. You must remember that storage in a cold and humid room does not go away. You will encounter problems such as:

Be sure to check the oil level before starting. If it is insufficient, the piston group can fail completely.

Why won’t the Neva single axle tractor start??

Technological progress has not passed over farming. For anyone who works with the land, a huge variety of equipment has appeared on sale, which greatly facilitate work and protect human health.

Power tillers are versatile machines that can cope with any task from plowing to planting and harvesting. There are a huge number of types on sale, divided among themselves by manufacturers, price category, as well as the type of engine.

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In this article, we will consider such a situation when the single-axle tractor “Neva” for some reason does not start. You will be able to eventually identify the cause of the failure, and quickly fix it.

Why won’t the singleaxle tractor start??

Repair of motor block will be successful if properly performed diagnostics of motor equipment.

The causes of failure of the unit can be very different:

  • The hole in the gas tank is clogged;
  • Fuel passages clogged with debris;
  • The air filter blocks clogged air from entering the carburetor;
  • Carburetor malfunction.

Gasoline and diesel single axle tractors require careful preparation for seasonal work. The parking brake is not working and the transmission is not working properly; check to see if all components are still in place and securely fastened.

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Your Subaru or other brand engines may not start after an extended idle time, especially during the winter months. Improper storage conditions also have a negative effect.

The following problems may occur:

  • Oxidized contacts in electrical wiring;
  • Water got into the oil or fuel;
  • The integrity of the wire insulation has been compromised;
  • Debris has accumulated in carburetor jets.

Before starting the single axle tractor you need to check all connections in all units of the device, check the integrity and connections of the throttle, reverse and clutch cables. If clips or twisted cables are found, this must be corrected to start the unit.

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Check the amount of oil in the crankcase. Lack of lubrication can have a negative effect on the piston assembly. A diesel or gasoline single-axle tractor may not start if there is not enough oil. Some models are fitted with a low level protection, if it is not, the lubricant fill quantity must be checked at all times.

It is important to take into account the quality of gasoline you use. A single axle tractor should be filled with the brand recommended by the manufacturer, then the machine will work without interruptions. Two-stroke engines are operated with a separately prepared fuel: gasoline and oil. It is important to maintain a strict ratio.

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