The walk-behind tractor clutch is an important element of the transmission, through which crankshaft The motor transmits torque to the gearbox mechanisms. With the help of this part, during gear shifting, the engine and gearbox are disconnected. It is due to the participation of the clutch that the walk-behind tractor moves off smoothly and also stops without completely shutting off the engine.

Clutch functions in the design of a walk-behind tractor

Clutch operation is based on the action of a friction clutch. This transmission element performs several important functions, among which stand out:

• Uninterrupted transmission of torque;
• Suppression of torsional vibrations;
• Smooth gear shifting;
• Impact-free gear connection;
• Connecting and disconnecting a gearbox with an internal combustion engine;
• Disconnecting the transmission from the flywheel device.

The clutch device makes it possible to briefly disconnect the engine crankshaft and the power transmission of the machine. Thanks to the clutch, the vehicle starts and stops movement smoothly and without jerking.

Centrifugal clutch - design and advantages

This kind of element is worth highlighting among other designs due to its reliability and durability. It is used in automatic transmissions. Its design consists of the following elements:

• Flywheel;
• Pulley;
• Hubs with locking groove and key;
• Flange;
• Bushings;
• casing;
• Bearing;
• Retaining ring.

One of the most important roles is played by the differential device associated with the centrifugal clutch. It helps improve vehicle maneuverability and ensure smooth cornering.

Together with the clutch, the differential regulates the rotation of the walk-behind tractor wheels at different speeds. Moreover, the mechanisms that transmit power together act as wheel lockers. In some models of equipment, instead of a differential, a special device is installed that blocks one of the wheels of the walk-behind tractor at the command of the driver.

More modern models equipment is equipped with a friction clutch. It is mounted between the engine and gearbox. In this design, the driven parts are closely connected to the input shaft of the gearbox, and the driving parts are closely connected to crankshaft motor. In most cases, both the driving and driven elements are made in the form of flat round disks, or in the form of a cone. Just like a centrifugal clutch, a friction clutch is activated by manipulating a separate handle.

Clutch operating principle

The clutch for a walk-behind tractor consists of several important elements:

• Control devices;
• Leading element;
• Driven parts.

The driving part consists of the end face of the engine flywheel and the pressure plate. The disk rotates together with the attached flywheel. At the same time, the disk can also move axially in relation to the flywheel. Between these two elements there is a driven disk, which is located on the driven shaft. Along the perimeter of the pressure plate there are spring elements in the shape of cylinders.
The function of springs is based on the compression of the disk they support.


In this case, the other end of the springs is in contact with the casing. Thus, the springs maintain the clutch for the walk-behind tractor in a constantly engaged state.

The control mechanism is made of release levers connected to the pressure plate housing via rods with a tap and a pedal. When disengaging the clutch, the owner of the walk-behind tractor engages the clutch cable, which transmits force to the spin levers. When the springs are compressed, the levers move the driven disk away from the pressure disk, which leads to the clutch disengaging.

The bearing reduces friction by preventing the fixed link from touching the rotation arms. Most walk-behind tractor models are equipped with three levers located at an angle of 120 degrees relative to each other. With the help of a spring, each clutch lever returns to its original position. In this case, the layer moves to the distance required to turn off the levers. If this distance is not reached, the clutch begins to slip.

How to make a clutch mechanism with your own hands?

The clutch on the walk-behind tractor operates on the principle that increased friction components, therefore rapid wear it cannot be avoided. In this case, you should try to make the mechanism yourself. The design of a homemade clutch will be composed of:

• input shaft of the gearbox and flywheel of the Moskvich car;
• hubs and steering knuckle from Tavria;
• B-profile;
• Double groove driven pulley;
• Crankshaft from GAZ-69.

Subsequent work on assembling the mechanism looks like this:

1. 1. First, you will need to grind the crankshaft so that it does not interfere with other elements of the walk-behind tractor;
   2. We place the standard walk-behind tractor hub on the shaft;
   3. Next, you need to machine a place on the shaft for the bearing. This operation should be performed as accurately as possible so that the bearing fits perfectly on the shaft. As a result, the hub should fit without any gaps, and the pulley should rotate;
   4. Then turn the crankshaft over and do the same on the other side;
   5. Next, use a drill with a 5mm drill bit to make 6 holes in the pulley. The distance between them should be the same. Since 10mm bolts will be used, on the back of the wheel that drives drive belt, it is also necessary to drill holes;

1. Next, install the pulley on the flywheel and tighten both parts with a bolt. After this, mark the drill spots on the flywheel so that they coincide with the 6 holes in the pulley;
2. Remove the pulley and drill holes in the flywheel;
3. After this, put the pulley back on and securely tighten the structure with bolts;
4. Grind the inner surface of the crankshaft and flywheel so that they do not hit each other.

The finished structure can be installed in a regular place in the walk-behind tractor. Do not forget to connect the cables, leading them as far as possible from the friction elements.

Today, tarpans are called not only unbridled wild horses that previously existed on our planet. This name was given to domestic motor cultivators, which are intended for plowing areas of up to 15 acres. They are reliable powerful engine, high quality parts and excellent performance.

Advantages and disadvantages of Tarpan brand cultivators

The Tarpan cultivator has a history of more than 25 years. The first models of the family of units were not very reliable, so they wanted to abandon their production. However, over time, the manufacturer began to introduce more advanced technologies into production, due to which the design of the models was constantly improved. Modern representatives With Honda engine are distinguished by their high reliability. They are equipped with an almost eternal worm gearbox.

A powerful motor is also capable of pleasing buyers. In its current configurations, the Tarpan cultivator is available with 5.5 and 6 hp engines. With.

Among the main advantages of the unit are:

• The presence of an automatic centrifugal clutch, which allows you to fold the cultivator into 2 parts to make it easier to transport;
• Great combination imported engine and durable domestic “hardware” allows you to process even heavy soils;
• Good processing speed - the cultivator is capable of plowing up to 10 acres in 5 hours;
• The unit requires minimal maintenance and adjustments, it is easy to operate;
• The cultivator is lightweight, so it can be turned over alone;
• Perfectly sharpened reliable cutters;
• The vertical motor is easily and quickly removed;
• Can be used wide range attachments.

In addition to all the advantages, the Tarpan motor cultivator also has some disadvantages. Firstly, the manufacturer did not provide for reverse gear, which makes using the model in small and abundantly planted beds very inconvenient. Secondly, the thumb quickly gets tired from constantly pressing the gas lever. Thirdly, the cutters quickly wind up weeds, as they are located at right angles. Fourthly, it is inconvenient to change engine oil - you need to constantly remove the clutch and unscrew the nuts.

Features of Tarpan cultivators

Russian motor-cultivators of the Tarpan brand are optimally suited for farmers who own plots of no more than 15 acres. This technique has earned recognition due to its reliable motor and high-quality assembly. Most models are equipped with American Briggs & Stratton engines with a capacity of 5 to 6 hp. With. The main features of the units include:

• Almost eternal worm gearbox;
• High-quality transmission, which makes it possible to move at several speeds;
• Plowing depth ranges from 16 to 25 cm;
• The width of the strip ranges from 25–100 cm;
• Improved grip due to the use of more reliable spark plugs;
• Ability to use multiple attachment options.

These Russian cultivators can be used even in virgin lands. At the same time, the manufacturer promises enough high performance- about 2 acres per hour of work.

More modern models of the Tarpan brand are equipped with improved Honda, Zongshen and Champion engines. They are less powerful, however high quality Their assembly allows you to use the cultivator without worrying that it will stall due to overheating.

Design features of the units

Motor cultivator Tarpan in old configuration equipped with four-stroke gasoline engine brand Briggs & Stratton Quantum, produced in America, although every year the manufacturer produces more and more models with Japanese Honda engines. The power of the American engine is 6 liters. s., and Japanese - 5.5 l. With. Each engine is equipped air system cooling, which makes it possible to repair the carburetor much less frequently than in the case of cultivators of other brands. This is due to the fact that air enters not only the engine for cooling, but also into the carburetor, enriching fuel mixture. This process has a positive effect on the durability of the carburetor.

During operation, a worm-type gearbox transmits engine speed to cutters equipped with a mechanism for adjusting the depth of tillage. In the maximum low position of the regulator, the cutters are lowered to a depth of 20 cm. The width of the covered strip during operation ranges from 35 to 100 cm. To move around the site, the cultivator is equipped with two wheels.

The unit controls are located on the steering wheel, which can be adjusted in height. The handlebar grips have a rubber coating and are quite comfortable to grip. The tilt of the steering rod can be adjusted to change the tilt of the unit or turn it around.

Popular unit modifications

The most popular configurations are Tarpan TMZ-MK 03 and Tarpan TMZ-MK 04.

Motor cultivator Tarpan TMZ-MK 03

Specifications:

• Engine manufacturer – petrol 4-stroke Briggs
• Engine power – 6.0 hp;
• Clutch – dry, automatic, centrifugal;
• Gearbox – single-speed, worm in an oil bath;
• Working width – 350, 700, 1000 mm;
• Overall dimensions (control handles folded) – 1300x700x1060 mm;
• Weight – 45 kg;
• Number of cutters included: 4 pcs.
• Milling cutter rotation direction: straight
• Cultivation depth: 20 cm
• Engine power: 4.45 kW / 6.05 hp
• Engine capacity: 190 cc cm

Design of the Tarpan TMZ MK-03 cultivator

The Tarpan TMZ MK-03 cultivator has a modular design, thanks to which it can be easily transported between home and dacha. This model with a Briggs&Stratton engine, you can almost completely disassemble it, remove the attachments and the engine itself. The single-cylinder four-stroke engine of the unit develops a power of 6 hp. s., and its resource fluctuates within 1 thousand engine hours. There are also other modifications on the market, equipped with Japanese engines. For example, the TMZ MK-04 model is equipped with Japanese engine Honda, developing a power of 5.5 liters. With.

The transmission of engine speed to the working elements is carried out through a worm gearbox. In practice, it shows itself to be much more reliable than belt and chain drives. The gearbox design is located in an oil “bath”. Despite the high degree of reliability, the gearbox has one drawback - it allows you to move only in one forward gear.

The width of the covered strip can be adjusted depending on the type of attachment. If the unit is operating in standard configuration, then the width will be 75 cm. With an additional canopy, the width can be increased to 1 m. The Tarpan TMZ MK-03 cultivator can be used with the following equipment:

• Lawnmower;
• Rake;
• Hiller;
• Rotary cutter;
• Plow;
• Flat cutters;
• Ice crusher.

Rotary snow blowers can also be used. The snow throwing distance will be 5 m. The physical weight of the unit without additional equipment is 45 kg. Light weight and height-adjustable handle bars greatly simplify the operation of the model.

It is also worth noting another modification option - Tarpan TMZ-ML 03 Champion. It is equipped with Chinese Champion engines, making this configuration much cheaper than the two previous analogues. Another budget option– Tarpan TMZ-MK 03 unit, which contains Chinese engine brand Zongshen XP 200.

Among other variations with a Japanese engine, it is worth noting the Tarpan TMZ-MK 07 model. It costs much more than all previous configurations, as it allows the use of a variety of large-sized attachments, including a wide snow blower.

The domestic agricultural machinery market is not very rich in motor cultivators. Therefore, as soon as the Tarpan TMZ MK-03 motor-cultivator appeared on sale, it immediately attracted the attention of farmers. This model is a versatile and quite powerful unit that successfully copes with many tasks.

Fuel consumption by motor cultivator depending on loads

Despite not too much high power unit and its modifications, it consumes a significant amount of fuel. In the process of plowing the soil, the model requires approximately 1.5 liters/hour. This figure may vary depending on the task being performed.

Thus, when cultivating hard soils with a plow, the cultivator consumes at least 1.8 liters per hour of operation. When clearing snow, it “eats” at least 2 liters. fuel. However, it is important to take into account that a certain amount of fuel is lost even when the engine warms up.

When hilling potatoes, the cultivator requires, on average, 1.6 liters. fuel, and when working with a rake - about 1.5 l./h. work.

Attachments for working with a cultivator

Good power and reliable spare parts allow the use of a wide range of attachments. According to the operating instructions, the following can be used with the cultivator:

• Weeder for weed control between rows. The distance between rows should not be less than 30 cm;
• Hiller - helps to make furrows, mark out areas for beds, and care for potatoes;
• Lugs - make the cultivator heavier and improve its adhesion to the ground;
• Special wheels with a frame make moving the cultivator more convenient;
• Plow - used for deeper soil cultivation.

By purchasing some devices from this inventory, the owner of the cultivator will make planting and caring for the beds much easier, and will save a lot of time and effort.

The Tarpan motor cultivator is a universal small-sized unit designed for mechanization of heavy physical labor for cultivating soil on personal plots.

Tarpan motor cultivators are produced in the city of Tula at the Tulamashzavod plant.

A distinctive feature of the cultivator is the ability to disassemble it into two parts and fit in the trunk of most sedans.

The MK can be transported by disconnecting the power unit 1 (see figure below) from the executive unit 2. To do this, it is necessary to release the hinged bolts 3. When transporting the MK, it is necessary to lay it in such a way as to prevent oil from spilling out of the gearbox (through the hole in the filler plug), from the engine crankcase and residues, fuel from fuel tank.

Technical characteristics of the Tarpan MK-03 cultivator with Honda engine, Briggs Stratton

Basic parameters	Meaning
Overall dimensions, mm, no more (control handles folded)	length 1300 (760) width 700 height 1060 (760)
Weight, kg	45
Tillage width, mm	560
Cultivator cutter diameter, mm	320
Productivity, ha/h (with normal soil and loosening depth of 180 mm)	0,06
Loosening depth max., mm	200
Limit angles of inclination during operation, degrees, longitudinal and transverse, no more	15
Engine	briggs stratton	honda
Model	12j802	GCV-160
Type	4-stroke, carburetor
Working volume, cubic meters cm.	190	160
Max. power, hp, not less	5,5	5.5
Fuel tank capacity, l	1,1
Oil fill volume, l	0,6	0,55
Fuel and oil in accordance with the Engine Operating Manual
Hourly fuel consumption, l/h, no more	1,1
Clutch	Dry automatic centrifugal
Start	Manual action
Shutdown	Remote throttle lever
Gearbox	Single stage worm
Worm gear lubrication oil - TAD-17I GOST 23652-79. Allowed replacement - transmission oils class SAE 90, SAE 75W/90, API categories GL-4, GL-5
Oil volume in the gearbox, l	0,35
Sound level at the operator's workplace, no more than dBA	81
Correction level of vibration velocity on the control handle, no more than dB	118
Number of speeds	1 forward

The Tarpan MK is equipped with a Briggs & Stratton engine, model 12j802, or a Honda engine, model GCV-160.

— 4-stroke, carburetor:

— working volume: Briggs & Stratton — 190 cm3; Honda - 160 cm3

— maximum power of at least 5.5 hp.

What fuel and oil to fill in the Tarpan cultivator can be found in the engine owner's manual or in the table provided in the instructions.

Engine Honda GCV-160 instruction manual download

Engine briggs stratton 12j802— user manual + parts catalog download (useful when ordering spare parts).

Manufacturer of Tarpan cultivators - Tarpan LLC, Tula, official website - www.tulamash.ru/static/tarpan/history.html

Motor cultivator Tarpan - operating instructions download

Tillage operations are carried out using the MK working body - a rotary cultivator. When rotating, the cultivator cutters cut off layers of soil, crumble and mix them, while simultaneously causing the forward movement of the machine.

The advantage of a rotary cultivator compared to a plow is better loosening of the soil, chopping and embedding of weeds, as well as uniform mixing of organic and mineral fertilizers throughout the entire processing depth.

MK "Tarpan" consists of the following main parts (Fig. 1);

• power unit including an engine, a docking device, a centrifugal clutch, steering
• an executive unit, including a worm gearbox, a left rotary cultivator, a right rotary cultivator, a depth regulator, a bracket, and a protective casing.

To expand the functionality of the motor cultivator, additional attachments and accessories have been developed and are supplied separately, with the help of which the MK can perform hilling, cutting furrows, weeding rows and other types of work.

Cultivator Tarpan - attachments

Lawn mower. Designed for cutting grass on lawns and lawns to a specified height. It is installed instead of the executive unit and connected to the power unit.
The “Struna” mower with a working width of 0.6 m is designed for mowing grass and weeds both in open areas and in hard-to-reach places near trees, borders, and fences. At cutting head rotation speeds from 3800 to 4600 rpm. The grass is easily cut and thrown aside. Instead of blades, the mower uses a polypropylene pile string. Easily disassembled into a power unit and a working element, the mower can be easily transported in the trunk of a car.	Mower "String"
The hiller is used with MK "Tarpan-03, 04" and with MB "Tarpan-07" and consists of a frame and blades adjustable by means of a bar with holes. It is used for hilling vegetable crops, cutting ridges and furrows, sealing furrows. The hiller should be used in conjunction with weeders that create the necessary traction force.
Weeders are used with MK “Tarpan-03, 04” and with MB “Tarpan-07”; they consist of lugs and knives attached to the hub, and are intended for weeding between rows and loosening the soil. The minimum width of the weeded strip is 350 mm. Weeders are installed on the output shaft of the MK gearbox instead of rotary cultivators.
When rotating, the cultivator cutters cut off layers of soil, crumble and mix them, while simultaneously causing the forward movement of the machine.
Grousers 260x80 are used with MK "Tarpan-03, 04"
The transport frame with wheels is used with the Tarpan-03, 04 MK
The protective disk is used with MK "Tarpan-03, 04" and with MB "Tarpan-07"
The “Crow’s Feet” cutter is used with the “Tarpan-03, 04” MK
Connecting bushings

Design and operation

The principle of operation of the MK: from the engine through the gearbox, the MK shaft is driven into rotation, on which the tillage cutters of the rotary cultivator are installed. The cutters, rotating, loosen the top layer of soil and at the same time move the machine forward. The design of the MK makes it possible to quickly separate power unit 1 from the executive unit 2. To do this, it is necessary to release the hinged bolts 3.

The power unit (Fig. 2) includes a block with a 4-stroke engine 1, a docking device 2, a clutch 3 and a steering control 4

ENGINE. Engine design - see “Engine Operation Manual”.

STEERING CONTROL allows you to adjust the position of the handles in the vertical and horizontal planes, which makes it possible, with the steering wheel turned horizontally, to cultivate the beds without trampling the soil. For ease of transportation (reduction of dimensions), the steering wheel must be turned towards the engine.

Knot remote control engine (Fig. 7) allows you to change engine speed using control lever 2 and stop the engine by pressing the lever down all the way.

The centrifugal clutch (Fig. 4) transmits engine torque to the gearbox when the engine reaches the required number of revolutions.
The clutch provides the MK with push-free starting.

ATTENTION! To avoid damage to clutch parts, do not allow the engine to start until the power unit is connected to the gearbox or other operating unit.

The gearbox (Fig. 5) is single-stage, worm, with an oil bath. On the gearbox housing there are bosses with holes that serve for installing a transport device and other attachments.

Rotary cultivator (Fig. 6)

Cultivators 1, 2 - left and right - are installed on the gearbox shaft and secured with axles with clamps.

Soil treatment:

— stand behind the wheel and firmly grasp the handles;

— slowly press the engine speed control lever, gradually increase the engine speed;

— after the engine has reached the required number of revolutions, the centrifugal clutch is automatically activated, the gearbox shaft begins to rotate, and the MK begins to move. The depth of tillage with rotary cultivator cutters is determined by the position of the depth regulator, which can be changed by rearranging it in the bracket according to the holes available in the regulator.

The milling cutters are driven into the ground by pressing the steering wheel. In this case, the depth regulator is buried in the ground, and the forward movement speed is reduced. The deeper the regulator goes into the ground, the lower the speed of movement of the MK and the greater the depth of processing. If the MK does not move forward, and the cutters are buried in the ground, lift it by the steering wheel.

If the MK moves towards the treated area, you should move the working MK to the opposite side. Turns of the MK must be done by tilting it to the right or left. ATTENTION! Maintain the distance between the unit provided by the length of the steering wheel.

When turning, do not pull the MK towards you, but rather push it away. When processing loose (loose) soil, make sure that the cutters do not go completely deep into the soil, causing overload of the engine.

In difficult areas, treat in several stages, in layers, each time increasing the depth of treatment, thereby ensuring good crushing of soil lumps and its uniform structure. Before treating areas with tall vegetation, the vegetation must be mowed and removed.

When processing areas with plant residues, they are wound around the cutters of the MK rotary cultivator.

Clean cutters periodically. To reduce the winding of plant residues on the cutters, you can use saber-shaped knives used on the Krot and Salyut machines. During the operation of the machine, the knives of rotary cultivators become dull, which impairs their penetration into the soil, reduces the depth of cultivation per pass, and reduces productivity. Sharpen knives as needed.

Maintenance of the Tarpan cultivator

Hourly and calendar maintenance types must be followed, whichever occurs first. In case harsh conditions MK operation requires maintenance more often.

Engine maintenance should be carried out in accordance with the Engine Operation Manual.

Types and frequency of maintenance

After the first 5 hours of operation, change the oil in the gearbox.

Every 5 hours or daily - cleaning and wiping the MK.

Checking the tightness of connections of engine parts for oil and fuel leaks. Control of fastening connections. Checking the oil level in the gearbox.

Every 25 hours. or every season - control and cleaning of the clutch.

Every 100 hours or every year - change the oil in the gearbox, lubricate the control rod and control unit.

Cultivator Tarpan

Gearbox

Power block - bottom view

Assembled view with folded handles

Type of cultivator without engine

Source: https://pahalka.ru/kultivatory/kultivator-tarpan-mk-03

Tarpan motor cultivators - models, their characteristics, video

The Tula Machine-Building Plant produced Tarpan cultivators in 1991. The first models were equipped domestic engines low power, so they did not arouse much interest among farmers. In 1997, cars with American four-stroke engines appeared on the market. The demand for equipment began to increase, and the owners were able to appreciate it.

Tarpan cultivators are operated on an area of ​​up to 15 acres. Sophisticated design and good technical performance made them competitive.

Advantages of Tarpan technology

Tarpan machines have been on the market for about 25 years. Positive Feedback owners confirm that the units have numerous positive characteristics:

• Disassembles into two parts. This greatly facilitates transportation;
• A high-quality engine and durable elements combine well, providing the ability to process even heavy soils;
• High plowing speed land plot– about 2 acres per hour;
• The motor in a vertical position can be easily removed;
• Ability to use different attachments;
• Minimum number of settings. The unit is easy to operate. No need for regular maintenance;
• Light weight and compact. The motor cultivator easily turns in any direction. The assembled unit takes up minimal space. When disassembled, it can even fit into the trunk of a car.

There are certain disadvantages in the design:

• The cutters are located at right angles, so they quickly become clogged;
• Lack of speed reverse;
• Before changing the engine oil, the clutch is removed and the fastenings are unscrewed.

Specifics of Tarpan motor cultivators

All systems and components of motor cultivators are well thought out, therefore reliable and durable. The manufacturer sought to create universal equipment for solving various agricultural problems.

Features of the Tarpan technique:

• Almost all units are equipped with a Briggs&Stratton engine, the power of which is 5 - 6 hp. With.;
• One or two speed transmission;
• Air cooling protects the power plant from overheating and reduces the number of breakdowns;
• Improved grip with reliable spark plugs;
• Worm gearbox. It is more reliable than belt or chain transmission. The mechanism works with it for a long time without replacing this element;
• Plowing is performed at a depth of 16 - 25 centimeters;
• Surface working width 25 - 100 centimeters;
• Two pneumatic wheels, simplifying transportation;
• The handles are height adjustable to suit the operator's height;
• The handles with rubber pads are comfortable, the angle of the steering rod is adjustable;
• Replacement of spare parts in case of malfunction. They can be purchased at a specialty store at an affordable price.

Engines for Tarpan motor cultivators are four-stroke single-cylinder:

• Champion. American engine with a power of 5.5 liters. With. Provides an efficiency of 0.06 hectares/hour;
• Briggs & Stratton. Power in the range of 5.5-6 liters. pp., productivity reaches 0.06 ha/hour;
• Honda. The engine is considered the most reliable. Power up to 5.5 l. With.

Excellent parameters make the equipment durable and repairable.

Model TMZ-MK 03 is in great demand. Thanks to the modular design, equipment can be stored in a summer cottage and transported in the trunk of a car. Not only canopies are removed, but also the power plant.

Features overview:

• Engine capacity – 190 cm3;
• Number of cutters – four pieces;
• Working width – 35, 70, 100 centimeters;
• The weight of the unit is 45 kilograms.

Tarpan TMZ-MK 03 is complemented by various attachments:

• Plow;
• Rake
• Hiller;
• Lawn mower;
• Rotary cutter.

Working with attachments is easier due to their compact size and handles that adjust to the operator.

The proposed video will allow you to familiarize yourself with the design characteristics and specific operation of the unit.

Motor cultivator Tarpan TMZ-MK 04

The Tarpan petrol cultivator loosens normal and heavy clay soils, introduces fertilizers, and removes weeds. The vehicle has high traction force and good maneuverability thanks to the installed power plant from an American manufacturer.

The worm gearbox and automatic centrifugal clutch allow the unit to be operated regardless of conditions.

Technical Parameters:

• Four-stroke gasoline engine with a power of 6 hp. With.;
• Engine capacity – 190 cm3;
• Gearbox – 1 speed forward;
• The number of cutters (crow's feet) is four;
• Plowing width – 56 centimeters;
• Cultivation depth – 20 centimeters;
• Weight – 43 kilograms.

Tarpan electric cultivators are also worth attention. They operate on an electric power plant with a 220W power supply. Email The Tarpan cultivator has slightly less power than the gasoline model. But soil treatment parameters and design features are no different.

When using equipment, it is important to study the operating instructions. Based on it, maintenance and care of the unit is performed.

Source: http://pro-traktor.ru/motokultivatory/tarpan.html

Tarpan cultivator – model range and technical parameters

Cultivator Tarpan

Tarpan LLC is a subsidiary production association Tulamashzavod designs, produces and sells mini-farm equipment for various purposes.

Tarpan cultivators are affordable, well-assembled, and equipped with reliable power units supplied by companies in the USA, Japan and China.

Operating principle and description of the Tarpan motor cultivator

The torque from the gasoline engine is transmitted through the clutch mechanism and worm gearbox to the shaft of the working cutters, which, rotating, loosen the soil layer and move the unit along the strip.

The product belongs to the middle class of cultivators; it cultivates soil of any density, including heavy soil, in areas of up to 20 acres.

Sufficient power power plant, the ability to process a working strip up to 1 m wide, and a set of additional attachments make the device a productive and multifunctional assistant to the owner of a land plot.

For convenient transportation, the machine can be quickly divided into blocks:

1. Energy, which includes:
   • engine;
   • clutch mechanism;
   • docking station;
   • steering.
2. Executive, consisting of:
   • worm gearbox;
   • right and left rotary cultivators (working cutters);
   • loosening depth regulator;
   • mounting bracket;
   • protective casing.

Most models use four-stroke gasoline engines with a vertical crankshaft manufactured by B&S or Honda. For more low cost Units with a Chinese Champion engine are offered.

The clutch device is assembled according to a friction scheme, automatic type. The mechanism is smoothly activated to transmit torque as the engine speed increases.

Model range

4 modifications of Tarpan cultivators are entering the garden machinery market:

• TMZ-MK-03 and TMZ-MK-04 - middle class devices, different gear ratio worm gearbox;
• TMZ-MK-031 – a light class cultivator for working in developed areas;
• TMZ-KE-07-2.2 machine with an electric asynchronous motor powered from a stationary network.

Depending on the manufacturer of the power plant, the product names after the digital index include the designation: B&S, Honda, Champion.

Electric cultivator Tarpan TMZ-KE-07-2.2

Technical Parameters

Parameter	Unit change	Indicator
Cultivator TMZ-MK
03	031	04	KE 07-2.2 electric
Loosening depth	m	0,2	0,14	0,2	-/-
Loosening strip width:	m	0,70,351	0,5	0,70,351	0,35-0,7
- cutters
- weeders
- cutters and weeders
Output	ha/hour	0,06	0,01	0,08	0,05
Milling cutters installed on diameter	pcs. mm	2×2320	-/-240	-/-320	-/—/-
Weight of the machine prepared for operation	kg.	45	28	47	45
Power	l.c.	6,0	3,5	6,5	2.2 kW
Fuel	Gasoline A-92	power supply 220V, 50Hz
Clutch assembly	dry execution, automatic mechanism centrifugal type
Gear transmission	one stage, worm type

Operating instructions -/-* - the value corresponds to the parameter in the previous cell on the left

During the first 12 hours of operation, the cultivator is run-in. Avoid excessive loads on the actuators and the power unit.

1. Starting and stopping the engine:
   • set the fuel supply regulator to the “Idling” position;
   • press the cold start button 3 times;
   • take up the slack on the kick starter cord and sudden movement extend to full length;
   • Continue actions until the engine starts;
   • To stop the engine, the fuel supply control lever is moved to the extreme left position.
2. Soil treatment:
   • stand by the steering handles and hold the cultivator;
   • add engine speed, the mechanism will work automatic clutch, the cutters begin to rotate, loosening the soil and moving the unit.
3. Depth and width of loosening strip:
   • determined by rearranging the opener on a bracket with several holes;
   • the working cutters are deepened by pressing the steering handles; the deeper the executive body is, the slower the cultivator moves;
   • turns are made by tilting the unit to the left or right, reverse movement is not provided for by the design;
   • The width of the processing strip is adjusted by rearranging and adding the number of working cutters.

Attachments

To expand the number of operations in which the Tarpan cultivator can be used, the manufacturer offers to additionally purchase mounted implements:

1. Hiller for processing vegetable crops, slicing, sealing furrows and beds. Installed instead of the depth regulator (coulter).
2. A set of weeders used with the hiller. The device consists of lugs and knives mounted on an axis. Looses and plows the soil between rows. Installed instead of working cutters.
3. Protective discs to prevent damage to plants when processing row spacing. Installed on the hubs of cutters or weeders.
4. The lawn mower is installed in place of the executive unit.

Accessories purchased separately include: a transport device for moving the unit around the site; universal connecting bracket, shaft extension bushings for installing a third pair of cutters.

Attachments for Tarpan cultivator

Possible malfunctions and repairs on your own

№	Malfunctions, damage and failures	Cause of occurrence	Your actions
1	Engine won't start	The speed controller is not adjusted; there is no fuel supply; the ignition system is malfunctioning	check the position of the carburetor flap; there is no fuel, press the choke button 3 times, clean the filter and carburetor; check the gap and clean the spark plug, replace the spark plug
2	Engine overheating	the air filter is clogged; the cylinder jacket is dirty	clean or replace the filter element; clean the cylinder jacket
3	The engine does not develop speed	air filter clogged	clean or replace the filter element
4	The output shaft of the working mills does not rotate	low speed; clutch faulty	increase the speed; wipe the drum and friction pads of the clutch dry
5	The shaft of the working cutters rotates at idle speed engine	clutch faulty	replace stretched or damaged friction pad springs
6	Oil leak on the gearbox shaft	shaft seals are damaged	replace cuffs.

Choose the one you need spare part, produce service and repair of equipment, the owner of the cultivator will be helped in 70 representative offices of Tarpan LLC, operating in all federal districts of Russia.

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Source: http://mastertraktor.ru/selxoztexnika/pochvoobrabotka/kultivator-tarpan.html

Motor cultivator Tarpan - pros and cons, review of models

Today, tarpans are called not only unbridled wild horses that previously existed on our planet. This name was given to domestic motor cultivators, which are intended for plowing areas of up to 15 acres. They are distinguished by a reliable powerful engine, high quality parts and excellent performance.

Advantages and disadvantages of Tarpan brand cultivators

The Tarpan cultivator has a history of more than 25 years. The first models of the family of units were not very reliable, so they wanted to abandon their production.

However, over time, the manufacturer began to introduce more advanced technologies into production, due to which the design of the models was constantly improved.

Modern representatives with Honda engines are distinguished by their high reliability. They are equipped with an almost eternal worm gearbox.

A powerful motor is also capable of pleasing buyers. In its current configurations, the Tarpan cultivator is available with 5.5 and 6 hp engines. With.

Among the main advantages of the unit are:

• The presence of an automatic centrifugal clutch, which allows you to fold the cultivator into 2 parts to make it easier to transport;
• The excellent combination of an imported engine and durable domestic hardware allows you to process even heavy soils;
• Good processing speed - the cultivator is capable of plowing up to 10 acres in 5 hours;
• The unit requires minimal maintenance and adjustments, it is easy to operate;
• The cultivator is lightweight, so it can be turned over alone;
• Perfectly sharpened reliable cutters;
• The vertical motor is easily and quickly removed;
• A wide range of attachments can be used.

In addition to all the advantages, the Tarpan motor cultivator also has some disadvantages. Firstly, the manufacturer did not provide for reverse gear, which makes using the model in small and abundantly planted beds very inconvenient.

Secondly, the thumb quickly gets tired from constantly pressing the gas lever. Thirdly, the cutters quickly wind up weeds, as they are located at right angles.

Fourthly, it is inconvenient to change engine oil - you need to constantly remove the clutch and unscrew the nuts.

Features of Tarpan cultivators

Russian motor-cultivators of the Tarpan brand are optimally suited for farmers who own plots of no more than 15 acres. This technique has earned recognition due to its reliable motor and high-quality assembly. Most models are equipped with American Briggs & Stratton engines with a capacity of 5 to 6 hp. With. The main features of the units include:

• Almost eternal worm gearbox;
• High-quality transmission, which makes it possible to move at several speeds;
• Plowing depth ranges from 16 to 25 cm;
• The width of the strip ranges from 25–100 cm;
• Improved grip due to the use of more reliable spark plugs;
• Ability to use multiple attachment options.

These Russian cultivators can be used even in virgin lands. At the same time, the manufacturer promises fairly high productivity - about 2 acres per hour of operation.

More modern models of the Tarpan brand are equipped with improved Honda, Zongshen and Champion engines. They are less powerful, but the high quality of their assembly allows you to use the cultivator without worrying that it will stall due to overheating.

Design features of the units

The Tarpan motor-cultivator in its old configuration is equipped with a four-stroke gasoline engine of the Briggs & Stratton Quantum brand, produced in America, although every year the manufacturer produces more and more models with Japanese Honda engines. The power of the American engine is 6 liters. s., and Japanese - 5.5 l. With.

Each engine is equipped with an air cooling system, which allows carburetor repairs to be carried out much less frequently than with cultivators of other brands. This is due to the fact that air enters not only the engine for cooling, but also into the carburetor, enriching the fuel mixture.

This process has a positive effect on the durability of the carburetor.

During operation, a worm-type gearbox transmits engine speed to cutters equipped with a mechanism for adjusting the depth of tillage. In the maximum low position of the regulator, the cutters are lowered to a depth of 20 cm. The width of the covered strip during operation ranges from 35 to 100 cm. To move around the site, the cultivator is equipped with two wheels.

The unit controls are located on the steering wheel, which can be adjusted in height. The handlebar grips have a rubber coating and are quite comfortable to grip. The tilt of the steering rod can be adjusted to change the tilt of the unit or turn it around.

Popular unit modifications

The most popular configurations are Tarpan TMZ-MK 03 and Tarpan TMZ-MK 04.

Motor cultivator Tarpan TMZ-MK 03

Specifications:

• Engine manufacturer – petrol 4-stroke Briggs
• Engine power – 6.0 hp;
• Clutch – dry, automatic, centrifugal;
• Gearbox – single-speed, worm in an oil bath;
• Working width – 350, 700, 1000 mm;
• Overall dimensions (control handles folded) – 1300x700x1060 mm;
• Weight – 45 kg;
• Number of cutters included: 4 pcs.
• Milling cutter rotation direction: straight
• Cultivation depth: 20 cm
• Engine power: 4.45 kW / 6.05 hp
• Engine capacity: 190 cc cm

Design of the Tarpan TMZ MK-03 cultivator

The Tarpan TMZ MK-03 cultivator has a modular design, thanks to which it can be easily transported between home and dacha. This model with a Briggs&Stratton engine can be almost completely disassembled, the attachments and the engine itself can be removed.

The single-cylinder four-stroke engine of the unit develops a power of 6 hp. s., and its resource fluctuates within 1 thousand engine hours. There are also other modifications on the market, equipped with Japanese engines.

For example, the TMZ MK-04 model is equipped with a Japanese Honda engine, developing a power of 5.5 liters. With.

The transmission of engine speed to the working elements is carried out through a worm gearbox. In practice, it shows itself to be much more reliable than belt and chain drives. The gearbox design is located in an oil “bath”. Despite the high degree of reliability, the gearbox has one drawback - it allows you to move only in one forward gear.

The width of the covered strip can be adjusted depending on the type of attachment. If the unit operates as standard, the width will be 75 cm. With an additional canopy, the width can be increased to 1 m. The Tarpan TMZ MK-03 cultivator can be used with the following equipment:

• Lawnmower;
• Rake;
• Hiller;
• Rotary cutter;
• Plow;
• Flat cutters;
• Ice crusher.

Rotary snow blowers can also be used. The snow throwing distance will be 5 m. The physical weight of the unit without additional equipment is 45 kg. Light weight and height-adjustable handle bars greatly simplify the operation of the model.

It is also worth noting another modification option - Tarpan TMZ-ML 03 Champion. It is equipped with Chinese Champion engines, making this configuration much cheaper than the two previous analogues. Another budget option is the Tarpan TMZ-MK 03 unit, which has a Chinese Zongshen XP 200 engine.

Among other variations with a Japanese engine, it is worth noting the Tarpan TMZ-MK 07 model. It costs much more than all previous configurations, as it allows the use of a variety of large-sized attachments, including a wide snow blower.

The domestic agricultural machinery market is not very rich in motor cultivators. Therefore, as soon as the Tarpan TMZ MK-03 motor-cultivator appeared on sale, it immediately attracted the attention of farmers. This model is a versatile and quite powerful unit that successfully copes with many tasks.

Fuel consumption by motor cultivator depending on loads

Despite the not very high power of the unit and its modifications, it consumes a significant amount of fuel. In the process of plowing the soil, the model requires approximately 1.5 liters/hour. This figure may vary depending on the task being performed.

Thus, when cultivating hard soils with a plow, the cultivator consumes at least 1.8 liters per hour of operation. When clearing snow, it “eats” at least 2 liters. fuel. However, it is important to take into account that a certain amount of fuel is lost even when the engine warms up.

When hilling potatoes, the cultivator requires, on average, 1.6 liters. fuel, and when working with a rake - about 1.5 l./h. work.

Attachments for working with a cultivator

Good power and reliable spare parts allow the use of a wide range of attachments. According to the operating instructions, the following can be used with the cultivator:

• Weeder for weed control between rows. The distance between rows should not be less than 30 cm;
• Hiller - helps to make furrows, mark out areas for beds, and care for potatoes;
• Lugs - make the cultivator heavier and improve its adhesion to the ground;
• Special wheels with a frame make moving the cultivator more convenient;
• Plow - used for deeper soil cultivation.

By purchasing some devices from this inventory, the owner of the cultivator will make planting and caring for the beds much easier, and will save a lot of time and effort.

10366 10/08/2019 7 min.

- this is not only a breed of wild horse that no longer exists on our land. That's what they call it domestic cultivators, which are used to cultivate land up to five to twenty acres.

They are popular among users due to their reliability and powerful motors from American and European manufacturers.

About the manufacturer

This model was invented by Tula engineers in 1991 as a simple and reliable replacement for the Rus walk-behind tractor, which was produced by Tulamashzavod.

At first, Tarpan was unprofitable, it was not in great demand, but after it was improved and equipped with productive engine from Briggs&Stratton things got much better. Since 1997, cultivators have been put into mass production.

Today it is manufactured by the specialized company Tarpan, which is a subsidiary of Tulamashzavod, which is located in the historical center - Frolovskaya Sloboda, which is famous for its specialists.

On the ground that belongs today legal entity, in 79 of the nineteenth century the Baitsurovsky plant was built, which produced various cast iron and copper products.

Tulamashzavod - famous company, which specializes in mechanical engineering.

The enterprise includes production facilities that are equipped with new equipment and leading technologies. All necessary information you can find it on the official website tar-pan.ru.

The production includes: procurement workshops, galvanizing and high-temperature processing, production of tools, parts, wood processing.

Along with classical equipment, automatic and semi-automatic devices are used, which allow the program to be run interactively. This ensures high technological flexibility of production.

Often used to reduce preparation time end-to-end automatic design of elements and equipment(from external indicators to creating control programs for machine tools).

For more information about the Tarpan cultivator, watch the video:

Popular models

The first motor-cultivator from the Tarpan series with a two-stroke engine with a capacity of 6.2 hp. was released from the assembly line in 93. It immediately established itself on the market with positive side, but due to some production shortcomings it was not so popular among farmers.

03

Thanks to the work of engineers, a few years later domestic marketpresented the Tarpan-03 model. To this day it has not lost its leading position in the Russian market– consumers buy up to a thousand of these cultivators every day.

The plant engineers supplemented the model with various attachments, which can be used regardless of the year: for winter you can use a rotary-type snow blower, and its working width will be 75 cm. It throws snow up to 5 meters, you can also purchase an ice cutter to clear the path.

Regardless of the time of year, with Tarpan cultivators, you can carry out all gardening work using a plow, a rotary cutter (included), a hiller, a flat cutter, a rake to chop and level the soil, a weed picker and other attachments.

The cultivator can be used as a lawn mower, and in the fall you can dig up root crops and prepare the soil for winter.

The operating life of the motor is 1000 hours. The automatic centrifugal clutch allows the model to be disassembled into several devices, which can be easily transported and stored.

Thanks to the worm gearbox, you can eliminate the unreliable belt and chain drives that are installed on the walk-behind tractor.

Thanks to the improved design of the steering rod, the steering wheel can be rotated both in a lying and standing plane, thanks to which the operator will walk to the side of the unit, while the loosened soil is not trampled.

Specifications:

• Engine: Briggs and Stratton I/S 6.0 l. With.
• Motor performance: 6.0 hp at 3600 rpm.
• Cylinder volume: 190 cm3.
• Constant air cooling.
• Starts with manual start.
• There is only one transmission.
• Fuel tank volume: 3.8 l.
• Engine oil volume: 0.6 l.
• Fuel consumption: 1.5 l/h.
• Power: 0.06 Ha/h.
• Milling cutter at maximum speed: 100-120 rpm.
• Cultivation width: 350-700 mm and depth 200 mm.
• Parameters (length/width/height): 130 (76)/70/106 (75) cm.
• Weight: 45 thousand grams.
• Price: 18 thousand rubles.

Detailed video about this model.

Realizing that it is confident to conduct and develop business in a modern market that is constantly changing, it is necessary to produce high-quality, competitive, reliable and affordable equipment, the manufacturer annually updates its model range produced from assembly lines.

031, 04, 07

IN recent years next to basic models 031, 04, 07 models of motor cultivators were produced.

Specifications:

• Motor power: 5 hp
• Motor type: single-cylinder 4-stroke, top-type shaft.
• Clutch type: automatic, centrifugal, dry.
• This Tarpan cultivator has a worm and single-stage gearbox.
• Gears: 1, forward.
• Hot mixture: gasoline.
• Clutch: centrifugal clutch.
• Processing width and depth: 360 x 200 mm.
• Weight 28 thousand grams.
• Price: 11 thousand rubles.

04

Compact model for a medium-sized plot, as well as equipped with a pair of wheels so that the cultivator moves during operation and a coulter, thanks to which the depth of travel of the cutter is adjusted.

“Tarpan-04” is very easy to operate; it has only one gas lever and a “Stop” button.

The main highlight of this model is its relatively powerful motor for medium areas. Thanks to this motor, as well as low turnover cutters (100-120 per min.), the model will ideally dig up the soil onto the “bayonet of a shovel.”

Productive and affordable in an affordable price segment.

Specifications:

• Motor: Briggs & Stratton (USA).
• Engine type: single-cylinder, 4-stroke carburetor type.
• Performance: 6.0.
• Runs on: gasoline.
• One gear, no reverse.
• Weight, g: 45 thousand.
• Max. processing depth, cm: 20.
• Parameters, cm: 135 x 60 x 110.
• Price: 26 thousand rubles.

07-01

Instructions for use

It is important not to use the unit for several days after purchase. full power– you must remember that the device must be run-in for the first 24 hours. Therefore, it is better to process the same bed in several stages, each time increasing the depth of processing.

Start

Before launch it is worth check oil level, the engine is working properly, whether the power unit is securely attached to another unit that performs an additional function.

Starting the engine when the control lever is clamped (the engine speed control position is “fast”) is prohibited, because the device’s clutch operates automatically when the engine reaches the desired speed, which is greater than the idle speed.

Soil treatment

You need to stand near the steering wheel and hold the handle tightly. Do not press the lever too hard, slightly increase the engine speed.

When the motor reaches the required speed, the centrifugal clutch will automatically engage and the gearbox shaft will begin to rotate.

At this time the device will begin to move. Deep processing of soil with milling cutters determined by the position of the depth regulator, which may change when rearranging it in the bracket along the holes that are in the regulator.

Turn off device

To do this, lower the control lever. It will return to its original position on its own. idle speed as a result of the operation of the return spring. Then pull it down all the way and the motor will stop working.

Malfunctions and repairs

"Tarpan" cultivator, the instruction manual indicates some causes of breakdowns. Motor impossible to start or happens with difficulty. This may occur due to a misconfigured engine speed controller, or fuel is not supplied to the carburetor.

To resolve this problem you need to:

• Check the presence of fuel in the tank.
• Check spark plug gap.
• If necessary, clean the spark plug from carbon deposits or replace it.
• Check the carburetor for proper operation.

The motor may also overheat.

It starts to overheat because the cooling system and air filter are clogged.

In order for the engine to operate at normal temperature, the cooling system and air filter must be cleaned or replaced.

The engine does not operate at maximum speed. This often happens because air filters clogged and are subject to replacement. To eliminate this problem, you need to clean or replace the filter.

Malfunctions often occur due to the operator’s fault due to irrational use of equipment, so be sure to read the instructions before starting work. If you have not saved the original, you can find it on the Internet; in one of the search engines write: “Tarpan cultivator instruction manual.”

The Tarpan model range is constantly updated and improved in terms of its technical characteristics.

Conclusion

The main feature of cultivators is quite productive motor, in comparison with other models of this type. The only negative model range: No reverse gear.

People who grow crops on the site almost always use.

The invention relates to the field of mechanical engineering, more specifically to small-sized agricultural machinery, but can be used in other fields of technology where the connection of rotating shafts is required. The automatic centrifugal clutch of a motor cultivator includes two brake pads fixed through bearings on the engine shaft, in contact with the transmission when the shaft rotates and pulled together by springs fixed in holes that are located symmetrically relative to the engine shaft. What is new is that each brake shoe is provided with at least one additional hole with the ability to attach springs to any of the holes, and the additional holes are located in such a way that one position of the spring is perpendicular to the line connecting the bearing and the most distant point of contact of the brake shoe. The technical result is to increase the efficiency of the clutch and the possibility of its use with various types of engines and actuators. 6 ill.

The invention relates to the field of agricultural machinery, in particular small-sized ones, intended for processing small-contour areas by milling and other work on the automation of manual labor.

The Tarpan-03 motor-cultivator is known, which has an automatic centrifugal clutch, which includes brake pads secured through bearings on the engine shaft and tightened together by springs. The pads are in contact with the transmission when the shaft rotates, transmitting torque from the engine. The springs are fixed in holes located symmetrically relative to the motor shaft. Tillage cutters are installed on the output shaft (000 "Tarpan", Motor-cultivator "Tarpan", model TMZ - MK - 03, Operation Manual, 093 300 000 RE. p. 4, 15).

The disadvantages of the known device are the lack of adjustment of the transmitted torque depending on the wear of the pads and the stretching of the springs; the inability to replace engines with different initial speeds on a motor cultivator; inability to connect attachments or implements to the clutch, the operation of which requires a torque of a different magnitude; short spring life due to the presence of an additional bending moment.

The objective of the proposed technical solution is to adapt the motor cultivator to different types engines and various actuators.

The task is achieved by the fact that the automatic centrifugal clutch of a motor cultivator includes brake pads fixed through bearings on the engine shaft, in contact with the transmission when the shaft rotates and pulled together by springs fixed in holes that are located symmetrically relative to the engine shaft, each brake pad is equipped with at least at least one additional hole with the ability to attach springs to any of the holes, and the additional holes are located such that one position of the spring is perpendicular to the line connecting the bearing and the most distant point of contact of the brake shoe.

Thus, this will increase the service life of the clutch by adjusting the transmitted torque depending on the wear of the brake pads and the stretching of the springs; use and replace engines with different numbers of initial revolutions; connect attachments to the engine to perform various agricultural work by installing four different clutch actuation moments with springs; increase service life due to installation of axial loading and elimination of additional bending moment of springs.

The claimed technical solution is illustrated by drawings, where figure 1 shows a motor cultivator complete with cutters; Figure 2 shows a motor cultivator complete with a plow and propellers (arrows indicate the direction of movement of the cutters and propellers); Figures 3, 4, 5 and 6 show section A-A in the area of ​​the centrifugal clutch - these figures show four options for installing springs.

The motor cultivator consists of an engine 1 (Fig. 1, 2), a transmission 2 (Fig. 3-6), on the actuator shaft 3 of which tillage cutters 4 (Fig. 1) or propulsors 5 (Fig. 2) are installed. Complete with propulsors 5, a plow 7 is attached to the housing 6 of the transmission 2. The engine 1 and the transmission housing 6 are connected to each other by cap bolts 8.

The automatic centrifugal clutch of a motor cultivator includes brake pads consisting of friction linings 9 and pads 10. Pads 10 can rotate on bearings 11 mounted through a driver 12 on the engine shaft 13. There is a gap between the transmission 2 and the friction linings 9. The pads 10 are pulled together by springs 14 installed in holes 15 (Fig. 5) or in additional holes 16 located closer to the motor shaft (Fig. 3), or alternately in the main and additional holes (Fig. 4, 6). The choice of spring installation method depends on the torque transmitted by the clutch. The moments tightening the brake pads with springs 14 are different. Figures 3, 5 show different arms of application of forces relative to the bearings 11. In the variants shown in Figures 4 and 6, the pre-tension of the springs is higher than in the variants in Figures 3 and 5. The axes of the springs 14 shown in Figure 4 are perpendicular line connecting the axes of bearings 11 and the point of contact 17 most distant from the bearing on the friction lining 9. Instead of transmission 2, another actuator can be connected to engine 1, the operation of which requires a torque of a different magnitude: a lawn mower, cart, feed crusher, water pump, etc. .d.

The device works as follows. When turned on, engine 1 rotates shaft 13 through driver 12 brake pads. Friction linings 9 do not contact the transmission, since the moment tightening the pads 10 is higher than the centrifugal force created by the engine during rotation. If the engine has a high initial speed, then to prevent spontaneous activation of the transmission, the clutch torque of the pads 10 is increased by installing the springs 14 in the position shown in Fig.6. If engine 1 breaks down, it can be replaced with an engine with a different initial speed, while simultaneously moving springs 14 to a different position. The operator increases the number of revolutions of the engine 1, while the moment tightening the pads 10 becomes lower than the centrifugal force from the rotation of the engine 1. The pads 10 rotate in the bearings 11 and the friction linings 9 contact the transmission 2, transmitting torque to the tillage cutters 4 or to the propulsors 5 or to another executive body. The greatest moment is transmitted by springs 14 with the lowest clutch moment of the brake pads. The greatest force of the pads 10 is transmitted at point 17 of the contact of the friction lining 9, since this point is farthest from the bearing 11. After operating the service life, the area in the area of ​​point 17 wears out more, the stroke of the spring 14 increases and the transmitting torque decreases. In this case, the springs 14 are moved to the position shown in Fig. 3, thereby increasing the yielding moment. If the springs are stretched during operation, the transmitting moment decreases, the springs are moved to the position shown in Fig. 4, 6. When using springs fixed as shown in Fig. 6, their service life increases due to the elimination of the additional bending moment (spring located perpendicular to the shoulder). To install another actuator you need to unscrew and lift the hinged bolts 8, remove the transmission 1, install another unit, lower and tighten the hinged bolts 8.

Automatic centrifugal clutch of a motor cultivator, including two brake pads fixed through bearings on the engine shaft, in contact with the transmission when the shaft rotates and pulled together by springs fixed in holes that are located symmetrically relative to the engine shaft, characterized in that each brake pad is equipped with at least one additional hole with the ability to attach springs to any of the holes, and the additional holes are located in such a way that one position of the spring is perpendicular to the line connecting the bearing and the most distant point of contact of the brake shoe.