Jack with your own hands (rolling, screw, wheels, hydraulic) - how to make a homemade jack for the car. Reliable homemade jack homemade rogue jack drawings

The most necessary things that each motorist should be - jack, wires for cigarette, cable and cartridge. Fortunately, now all this can be bought in any auto shop. We are not looking for simple ways and let's talk about how to make a homemade jack for a car.

Types of jacks and their features

First of all, I would like to draw your attention to the fact that there are several topical designs of jacks. The most popular - hydraulic, rigging and mechanical. Each type has its advantages and disadvantages.

Mechanical jacks are very reliable, but most of the models are not designed for heavy loads. Hydraulic raise large masses, but very often in places of seals from under the gasket leaks oil. As for pneumatic, it is one of the most optimal options. The homemade jack for the car is not so difficult, let's see how exactly. Let's start with the simplest.

One of the most popular types of car lifting devices is rolled. It is called so not because it can be transported on wheels from one corner of the garage to another. The principle of work is that during the lifting of the car, the jack is shifted under the car. This is due to the displacement of the lever relative to the point of the support.

A chaserler can be taken as the basis for the upper and lower levers, as well as a pair of corners. It is worth paying attention to the fact that the jack itself can be hydraulic or pneumatic. The first option is more freight, the second is less problematic in terms of service. The displacement of the rolling jack is possible in the presence of two pairs of the wheels, and this is the main condition.

On the advantages and disadvantages of the design

This drawing of the homemake subfolding jack shows that in terms of the necessary tool and material, the design is sufficiently costly. If, of course, you do not have half of the material in the garage, which is there as an unnecessary trash.

From the material you will need a channel with the walls of 4.5 mm and the shelves of 7.5 mm thick. Also necessary welding machine and an old bottle hydraulic or ordinary pneumatic jack. Do not make levers too long, 400-500 mm. But if it was done in this way, it is worth thinking about the manufacture of an additional stop. The advantage of such a jack is that it is convenient for them to use. But at the same time carry it with him in the trunk - not the best solution. Optimally used as a stationary "garage" tool.

Hydraulic homemade jacks

This is one of the simplest, but at the same time effective designs. For the manufacture you will need a reference site. Her strength and rigidity should be as much as possible. You can achieve this with the help of additional stiffeners.

An important step is also a supporting structure that is made from the profiled pipe of the square section. It is desirable that its thickness is at least 10 mm. As a basis, use the old hydraulic bottle-type jack. It is worth paying attention to that even in this case there will be quite a lot of metal profile, welding, as well as effort.

With a responsible approach to work, you will receive a high-quality and reliable design. Nevertheless, it is worth counting the costs in advance. If the amount is obtained more than 2,000 rubles, it is unlikely that it makes sense to bother over this case.

Buy or do?

Of course, the homemade jack for the car can be made. But it is worth doing in the event that this procedure is appropriate. Now there is a huge selection of jacks in stores at an affordable cost. For example, for 1,500 rubles you can get a good-quality diamond jack. It is reliable, steady and does not take up much space, which allows it to be easily transported.

For 2,500-3 000 rubles, a good quality of rigged jacks are sold. They have good lifting capacity and reliable, although they are extremely bulky and heavy. You can make a rod jack with your own hands. But for this you will need a lot of tools and material, which ultimately will turn into severe costs.

The homemade jack for the car, made personally, will also have its advantages. If competently approach the case, then the output will be a reliable design, the resource of which will be explicitly higher than the purchase device. But here is easy and mistaken. For example, some welding seams, especially on the bend of the lever, can burst, and this, in turn, will lead to sad consequences. In any case, to solve you. The drawings presented in this article will help you in the manufacture of jacks on your own. But this can escape the whole day off and a bunch of nerves and materials. But if there is a tool, but in the garage a lot of metal, then try to try uniquely. Especially since you know how to make a jack with your own hands.

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Reliable homemade jacks

Design and its features
Main characteristics
Summarizing

The problem of lifting cargo large mass in front of humanity is quite a long time. In recent years, jacks have become increasingly used to solve it. A mansion in this row is a hydraulic jack. He is capable of minimizing efforts to raise really heavy loads. Hydraulics, since science appeared, came to help a person. There are situations where the lift of this kind is simply needed, but it is not possible to purchase it. How to make a homemade jack?

The diagram of the subframe hydraulic jack.

Design and its features

Of course, before directly proceeding to work, it is necessary to learn more about the design of the hydraulic jack. In fact, it is not so difficult, as it may seem at first glance. The main elements are the hull, pump, plunger, screw with lifting fifth. The hydraulic jack is most often made of tempered steel. At the same time, special oil, having high viscosity indicators, acts as a working fluid. Normal engine oil in this situation will not suit.

Device hydraulic jack.

It is worth considering when developing a device. Usually it is the case that is the main part of the hydraulic jack. It serves not only by the reservoir for the working fluid, but also the most real cylinder for the piston. The device of this design implies the presence of protective valves that provide uninterrupted operation. It is equipped with a manual or foot pump.

The descent of the oil is carried out using a special handle, which is part of the mechanism. The lifting mechanism and the special retractable hydraulic cylinder are capable of raising the workstation. It creates a fairly high pressure, which allows you to raise cargo diverse mass. The housing of such a device can be both short and elongated. The second option is most often used when carrying out repair work of heavy equipment. For example, it can be a bus or a heavy car.

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Main characteristics

Screw jack device.

There are plenty of parameters that allow using hydraulic jacks everywhere. They are unpretentious in terms of loading capacity. An important point is the presence of a practically incompressible working material. It is about hydraulic oil. From here you can draw conclusions that it is not avoided in the work of smoothness, that is, raising and lowering. At the same time, the cargo can be fixed almost at any height. It is worth noting that such devices have a sufficiently high efficiency, which is 80% equal. At the same time, the load capacity of the mechanism can reach 200 tons. Of course, in this work such powerful aggregates will not be considered, but the reader should be aware of what they exist.

It should be noted and the initial height of the lift. This indicator is better than that of ordinary mechanical models. Loads can be lifted with almost zero height. It is very convenient, especially when it comes to carrying out repair work with low landing cars.

The device of the simplest homemade jack.

There is, of course, disadvantages of hydraulic jacks. The main thing is that it is very difficult in such mechanisms to regulate the height of lowering. In order for the device to be constantly in a working condition, it is necessary to check it. Here it is necessary to monitor the oil level, the condition of the valves, gaskets and glands. If necessary, these elements are subject to replacement. Sometimes difficulties with the transportation of jacks can occur. They must be stored and transported only in a vertical position.

Otherwise, the likelihood is that all liquid from the tank is simply leaving. Another disadvantage can be considered a relatively large mass of the device. It is not always easy to transport from place to place. The cost also makes many think about alternative solutions to the problem. Some buy mechanical jacks, as they are located several times cheaper, while others make hydraulic jacks with their own hands.

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Manufacture of hydraulic press

Hydraulic press device.

The hydraulic jack itself is not so interesting in itself, as it is simple enough, but the press can be useful to every person who loves cars. He will serve as a real garage assistant. With it, you can press the sleeves, punch holes in various metal blanks. To create pressure in the design, the hydraulic jack will be applied. You will need a grinding machine, a welding machine with a certain number of electrodes and an angular grinding machine.

The first node in this design will be the support platform for the jack. Since it is necessary to work with enough impressive weights, you need to make the platform as reliable and powerful as possible. Do not forget about this nuance. It is difficult to achieve the desired result. To do this, you will need to apply multiple rigidity at once. Only so the design will be really high quality and reliable.

For work, you can use both square and a rectangular profile.

Drawing of a pneumohydraulic rod jack.

Here the choice depends directly from the possibilities of a person and from what he has at hand. Next, these parts of the design are stacked by the basis of each other. It should be done as much welding seams as possible. This will make it possible to achieve the required stiffness. It is necessary to weld the elements to each other both below and from above. In order for the design to be resistant, you need to additionally use a metal plate for the stand, the thickness of which will be at least 10 mm.

Next you need to make the stop and rack. To do this, it is pre-prepare a profiled tube, the cross section of which will be square or round. To calculate the height, it is necessary to fold several quantities among themselves. It is necessary to add to the altitude of the jack the size of the stem working stroke, as well as the height of the platform. The resulting number will result.

The stop must be made from the same metal, from which the racks are manufactured. Further, all elements are connected to each other. As a result, a P-shaped structure is obtained. In order to provide perpendicularity of all structural elements, you need to make a very simple device. On the steel plate, the thickness of which will be at least 10 mm, it is worth putting two corners at an angle of 90 °. Further, all these elements are welded. Everything is quite simple, but the design turns out really as reliable as possible.

The carrying capacity of the screw jack is calculated by the formula.

In order to further work more conveniently, this device should be equipped with special clamping mechanisms. This will allow you to fix the resulting triangle and avoid further displacement along the axes.

The next stage of work is the creation of a special stop, which will move on the guides by passing the pressure from the directly hydraulic jack on the part being processed. To work it will take the use of a special metal segment. Its thickness should not be less than 1 cm. The length of this part should be slightly smaller than the distance between the racks.

It is worth noting that the components of the stop are connected to each other by welding. It should not save on the electrodes. Only a good connection of all design elements will make it really high-quality design. Now you can move to the installation of the hydraulic jack itself. It is attached by two bolts of the same length.

It is worth making it the most durable and hard. If you need to reduce the workforce of the hydraulic jack of the hydraulic jack during work, it will have to make a smaller distance between the focus and steel part of the structure, that is, it is beam. For this, an additional metal plate of the corresponding profile is used.

In order to make this distance less impressive, you can use additional removable inserts. They should be further labeling so that in the process of work in the process of carrying out the highest possible replacement of the instrument.

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Summarizing

So, the above revealed the advantages of hydraulic jacks. As it is clear, this device can be used not only in its direct destination. For a garage type press, it is quite appropriate. The hydraulic jack in this case becomes one of the best options for creating a similar press. Of course, this is not the only similar case of non-standard use of a hydraulic jack in practice. Hydraulic jack itself make it extremely simple.

Knowing the design of this device, you can experiment with its designs. This is an excellent solution for every car enthusiast. The housing of the hydraulics is made of hardened steel. Do not forget about high-quality materials for the piston itself. He will have to transmit maximum load. Only hydraulic oil should be used as a working fluid. It has high viscosity performance.

Only such oil can create high pressure in the working mechanism. Knowledge will allow everyone to make a jack of hydraulic and press with their own hands.

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Universal lifting and transport device:
Unique properties:
1. Different with simplicity design
2. With it, the load can be lifted much faster than with the help of a jack.
3. The thickness of the paw in this scrap is minimal, so he ledges under any cargo.
What is used and what problems solves:
1. This is a simple and universal means for lifting heavy loads.
2. This is a simple and universal means for moving heavy loads for short distances.
3. With the help of a scrap, you can raise the load to a height of up to 145 mm
4. The use of a universal lifting and transport mechanism saves the time spent on the rise in cargo.
Where applies:
1. In construction
2. In repair
3. in rigging work
4. In the installation work

Tel: 84953633970.
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Make a homemade convenient car jack from the girlfriend's materials! In the video, a small review, if anything is interested in this invention, ask questions. And suggestions!

Since ancient times, since ancient times faced with the problems of lifting a large cargo to the height, for this, many people were usually attracted, and bulky structures were erected, which did not always have superplication, and therefore often broke, provoking human sacrifices. The output appeared with the invention of such a machine as a hydraulic jack, which is widely used today. A similar installation, unlike winch, has greater reliability and is able to raise large cargo at less costs.

Purpose of hydraulic jackrat

Today it is impossible to present repair work by car, whether it is repairing the suspension or changing the wheel, without the use of jacks - special mechanisms that are intended for lifting heavy loads and fixing it at the required height. The most effective are hydraulic jacks, where the working force is created using hydraulic oil and piston.

The first mechanical jacks appeared in antiquity. And the ideas of creating a scheme of a hydraulic jack specifically for the car, it arose unintentionally. Peter Lunati's repairman spied this idea in the hairdresser, surprised how simply the master of the haircut fixes the hydraulic chair at a certain height. In 1925, a complex platform lift with a hydraulic pillar was made for the car.

Hydraulic jacks are distinguished by a carrying capacity, which ranges from one to several hundred tons, which allows them to be applied when repairing trucks and other heavy machinery.
The cargo housings or flooring, foundation plates and columns are used as goods. Depending on the purpose of use, such equipment has different dimensions and design.

Hydraulic jack is used to move, raise and fix goods. The device is used in the field of overlap and tire fittings, as well as indispensable when preparing the machine for a long trip to create balancing: The wheel with the help of a jack is removed and balanced on special equipment.

Modern hydraulic jacks have found wide use not only at a hundred and in car service. They are successfully used in refineries, power plants and other industrial complexes. The highest level of performance and ease of work allowed this technology to introduce into a domestic environment, so many owners in the garage have a hydraulic jack.

This equipment can operate in horizontal and vertical planes, so it is widely used on a construction and assembly landfill and for tensioning reinforced concrete structures.

Design of hydraulic jack

The main carrier elements of the hydraulic jack are the housing, the working fluid, as a rule, oil and piston extended. Hydraulic jack has an extended or short case, which is made of hardened steel. The housing performs such functions: acts for the piston guide cylinder and is a tank for the working oil.

The screw with the lifting fifth is screwed into the plunger, turning the screw, so if necessary, it turns out to increase the maximum lifting height. The jack of this species is equipped with a hydraulic pump with manual, foot or air drive. The device of the hydraulic jack is provided for safety valves and other devices for creating a long trouble-free operation.

Lifting mechanism and retractable hydraulic cylinder, rising special platform up, are in the housing holes. The descent occurs with the rotation of the T-shaped handle. The equipment has polyamide wheels providing jack maneuverability. The housing of the elongated dira is mainly used to work with buses and heavy trucks.

Principle of operation of the hydraulic jack

Any hydraulic jack works on the principles of communicating vessels using fluid. Before work, you must arrange a jack on a flat solid surface under the car and press when the valve is closed on the lever until the machine rises to the required height. The car's descent is carried out using a smooth opening of the apparatus valve counterclockwise.

Pumping the working hydraulic oil with a driving pump with a lever. The liquid enters the cylinder through the valve and squeezes it. The reverse streaming of the liquid will obstruct the valve - injection and suction. To go back to lower the jack, it is necessary to open the valve on the pump, then the oil will take it from the cylinder back into the pump.

The presence on the housing of the jack of thread, which is protected by a dirt-proof casing, threads on the rod and threaded holes, guarantees unlimited possibilities of using and working hydraulic jacks for crimping, clamping and bending. High strength support that is made of tempered steel and is installed on the rod, it is capable of protecting the hydraulic jack from damage. The corrugated surface of the support prevents the gliding of goods. The force of hydraulic jacks is regulated by the built-in pressure gauge.

Advantages and disadvantages of hydraulic jacks

Hydraulic jacks are one of the most unpretentious at all its power. An important feature of the hydraulics is incompressible working material. From here - the smoothness of lowering and lifting, fixing the cargo at the desired height and the accuracy of braking. Hydraulic jacks demonstrate a high level of efficiency - up to 80% and significant load capacity - up to 200 tons with a slight force due to a large gear ratio between the cross-sectional surfaces of the pump plunger and the cylinder.

But hydraulic jacks have the initial lift height is much higher than that of mechanical models. Another difficulty is the impossibility of accurate adjustment of the height of lowering. To maintain the jack in the working condition, it is necessary to constantly monitor the oil level, control the tightness of the valves and the glands. Transport and store such jacks can be exclusively in a vertical position, since otherwise the fluid can find out from the tank.

The disadvantages of hydraulic jacks flow out of the merits. They are relatively slow - one pump operation cycle corresponds not to too much lifting height. The disadvantages include a greater mass and dimensions, a high price of a hydraulic jack, as well as a small course for single-shoe models. In addition, often the named tools occur more serious breakdowns and malfunctions than that of mechanical devices.

Classification of hydraulic jacks

Several species of hydraulic jacks are distinguished.

Bottle hydraulic jacks

The design of the bottle (vertical) hydraulic jack is the simplest. The sphere of using such jacks is widely wide due to a large range of weight lifting - from 2 to 100 tons. "Bottles" are used in cargo vehicles. In addition to the main advantages of the hydraulic jack, vertical models have several more - this is the versatility of use, compactness and a large platform of support.

There are bottled jacks monotokov and two-stroke. The hydraulic monoxide device is characterized by simplicity of construction and convenience of operation, which expands the areas of its use and allows you to perform the work of any complexity: installation and disassembly in mechanical engineering, construction, car repair, wheels of railway cars, use as a power node of the press, pipe bending, pipe cutting and similar tool .

The telescopic double jack has a similar design with a bottle unit, the principle of operation of the bottle type hydraulic jack is based on the use of multiple working rods. Piston is based on a telescopic jack. It can be used in a horizontal and vertical position. It is compact and fits most machines. The suburbs occurs with the help of a raised lever, which is activated by a hydraulic cylinder.

Podcast jacks

A subframe jack is working on a similar principle as a bottle, but with honors that the axis of the working cylinder is not located in the vertical axis, besides, the piston is not combined directly with the pickup and the lifting lever is activated. The subfolded this unit is called because it is a trolley on wheels, which can roll over a flat surface. The jack when lifting pickup and lever "rolled up" or shifted.

Such a jack is driven by the same gaming of the lever, like the bottle patterns, is lowered similarly to the rotation of the valve screw. If you need to lower the cargo down, it is necessary to put the tubular handle on the valve screw, after which the partition will enter the groove of this screw. Rotating the handle around its axis, the user rotates and screw, respectively, dropping pressure in the working cylinder and lowering the load to the necessary height.

Most often, the subframe jack can be found at the tire station, because it is suitable for lifting one side of the car, fast enough in operation and installation. The disadvantages of such a design flow out of the name - a smooth solid surface, concrete or asphalt is needed for work. In addition, essential size and weight make it difficult to transport the aggregate in the car.

Podcast jacks are classified for their intended purpose, as in the photo of hydraulic jacks:

For personal use by motor vehicles, carrying capacity up to 3 tons;
For car services and tire workshops, with a carrying capacity of up to 4 tons and with the presence of pre-lifting pedals for the instant achievement of the required height of the pickup;
For servicing heavy machines and special vehicles (forklifts), with a carrying capacity of up to 20 tons and with the presence of pre-lifting pedals and sliding traverse, which is designed to raise one side of the machine.

Transmisson subcutate jacks are equipped with a special swivel frame. Here the smoothness and accuracy of the hydraulic jacks have been manifested in all its glory. Car gearbox, which is mounted or dismantled, can be accurately fixed in a horizontal or vertical plane in the desired position.

Hydraulic hybrids

Duplex jacks are needed mainly in car service, where they work with different cars. The features of this adaptation include two lifting sites. The drawing of the hydraulic jack of a two-level generally is a hybrid of a subframe and a bottle jack. And if more precisely, the two-level jack is used in at an altitude of 65 - 375 millimeters from the Earth as a rolling and at a height of 375 - 687 millimeters as a telescopic. When working with a lifting mechanism, a hand lever and a foot pedal are used.

The pneumohydraulic jack in itself combines hydraulics and pneumatics. It can be made in a rolling solution, has a load capacity in the range of 2 - 80 tons. The initial height of the pickup is low. It is used exclusively as equipment for car service.

Hook jacks

Low-hot hook jacks are widely used everywhere, where you need a small pickup height: for installation and dismantling of different equipment, to raise the canvas on the railway, as well as in the car service. It is the low height of the pickup, which is from 15 millimeters, with the possibilities of step-by-step adjustment is when assembling the mechanisms is very convenient and acts as a business card of the hook jack. But the basis of this jack is a simple device of a bottle type.

Rhombus jacks

Hydraulic diamond jack is mainly required for lifting machines during repair. It is characterized by high reliability, if you compare it with a screwing conorganization, and in ease of use is practically not inferior to it.

In the rhombus jack, four levers are performed as carrier elements, which are connected by hinges. The scheme of the hydraulic jack and lifting goods is based on the change in the corners between the levers. The advantages of diamond jacks include small dimensions, which provides convenient storage, transportation and with this a significant support surface and stiffness of the structure. Relatively small pickup height.

Manufacture of hydraulic press

When the motorist independently serves his entire fleet, one of the most necessary tools is the press. We offer you to make your own hands from a hydraulic jack, which will become a reliable associate when performing a whole list of works. With its help, you can punch holes in different materials, to press inserts and sleeves, press metal waste.

Collect the hydraulic press is not so difficult. You will need a welding machine with the required amount of welding electrodes, a diapering of a metal cutting machine, a steel thick-walled profile for performing the press design. The functions of the power unit providing the necessary working pressure performs a hydraulic jack.

The first node of the hydraulic press is the reference platform for the jack. Since the pressure obtained will be proportionally applied to the base and the upper working units, the strength of the base must be maximum. It will be achieved by making a slight rigidity based on the basis. For the manufacture of the base, take a steel square or rectangular profile, which has a size 40 to 50 or 50 to 50 millimeters and cut 4 parts about 250-300 millimeters long with the above instruments.

After that, it is necessary to put the side walls of these parts to each other and pecking the docking seams from above and below to increase the rigidity of the base of the press. To ensure the large stability of the hydraulic jack, weld to the steel plate obtained, the sheet of which has a thickness of 8 -12 millimeters and size 250 per 200 millimeters.

The next stage of the manufacture of a homemade press from the jack is the production of stops and racks. To do this, you need to spill 2 parts from the profiled thick-walled pipe of the rectangular or square shape of the required length. In order to calculate it, it is required to clarify the accompanying instructions for the jack. The value of the maximum rod and to the obtained size add the height of the hydraulic jack itself and the support platform.

Farm make from that material that the racks are made. The length of this part should be equal to the width of the support platform to keep the overall geometry of the design. The focus and the resulting racks are connectible with a weld and weld to the base of the P-shaped structure.

When performing such assembly operations, it is recommended to use a simple device that ensures the perpendicularity of the parts connected. On a steel sheet, which has a thickness of at least 10 millimeters, two trimming of a steel corner of 40 per 40 millimeters at an angle of 90 degrees should be welded. Connected details Lay in this device and weld.

So you can achieve the desired angle of the connection. For more convenience, this improvised coal additionally complement the clamping devices, which fixes the parts connected and prevent the disorder of the compound angle through thermal changes during welding in the metal.

The next mandatory element of our press is a removable emphasis, which is capable of moving along the guides and transmit pressure on the pressure on the processed part from the central working stock of the hydraulic jack. Prepare for its manufacture several segments of the steel strip, which has a thickness of about 1 centimeter. Make the length of the details less than the distance formed between the racks. Connect the parts obtained in several places with welding on both sides.

To ensure a quick replacement of this part when performing any hydraulic work and to fix the item when moving on vertical racks, you must drill two through holes and two plates from the bands, their length should be larger than 100 millimeters of the block length. Also drill in the plates of two holes that are bred with holes in the block.

When installing the block on the frame of the press from the hydraulic jack, you feed two bolts with the required length with nuts and washers and connect the obtained plates with the block so that they are located from the racks on both sides. In the event of a need for achieving a smaller free move of the piston of the hydraulic jack, you can reduce the space between the moving focus and the upper beam design with an additional installation of the intermediate square profile.

Disposable for this segment of a square profile, which has a length, which is equal to the distance between the racks, and at an equal distance of welds, attach it. This will significantly reduce the working distance of the hydraulic press and reduce the temporary costs of performing certain types of work.

In order to further reduce the course of the working stock of the hydraulic jack, you can use additional interchangeable inserts, which are made of solid or hollow steel profile or replaceable anvil. To create them, you should peep several parts of different thicknesses and additionally march them for a quick and thorough selection of the desired item.

Repair of hydraulic jackrat

Hydraulic jacks periodically need maintenance, therefore, it is necessary to add a liquid to the working cylinder, which flows during operation through the glands and different seals. In addition to the occupation of the oil, the jack faults consist in jamming when lifting the cargo to a certain height, it is impossible after raising to lower the jack or the impossibility of raising even the lightning cargo.

Oil flowing

For repair and testing of the hydraulic jack at home, you should buy the desired repair kit for the equipment. Before repairing the repair, you must first disassemble the device. It may be necessary for the extension to the keys to be a significant effort and a larger lever. Be sure to prepare the tank for the drain of the old oil and prepare a new working fluid.

After that, the pistons should be removed and check them for corrosion. All dirt and corrosion is customary. Check if the rod did not curved. If the deformation takes place, it is unlikely that it turns out to be smooth again and can no longer repair anything.

It is necessary to check the valve, the excipient oil. The valve is rejected for this and is checked for the presence of deformation or dirt falling inside the valve. If the valve is faulty due to mechanical deformation, it should be simply changed. In addition, he can simply be contaminated, and the ball will sit down in its saddle. This is the cause of passing the working fluid.

Fully drain old oil. This procedure is quite simple, although it takes a lot of time while the oil flows from one to another cylinder. The liquid is merged by pumping the system, the movement of the lever up-down. All parts thoroughly rinse from dirt and oil residues. Complete all cuffs and sealing gaskets.

Another reason for the refusal of the hydraulic jack can be considered a dirt that fell into the working cavity. To remove it, it is necessary to unscrew the housing head, to pour kerosene in its base and pump the jack with a dumping needle. Kerosene at the end of the operation should be removed into the working cavity to pour clean oil.

Air hit

In the working cavity of the jack in the process of long-term operation, air bubbles accumulate, significantly reduce its effectiveness. The reason for this, as a rule, consists in the air, which has fallen due to the lack of working oil into the hydraulic system. Eliminate this malfunction as follows.

First, open the oil tank tube and the bypass valve, and then quickly pump the hydraulic press pump several times. In this way, the air will be supplanted from the working cavity in the oil tank. You can close after this bypass valve and a hole leading to the oil tank. If you did everything right, the air will be removed, and the jack will work again in normal mode.

If your attempt turned out unsuccessful, repeat all of the above actions. However, this method is not the only one to remove air from the working cavity. It is easy to determine the presence in the working cavity of the air: the jack is not working at all, or the lift of the cargo is carried out slowly.

Remove the first thing a shut-off needle for one and a half or two turns, then raise your hand for the screw to the extreme right point plunger and release it so that it turns out to be in the lower position. Repeat similar actions twice or three times. In order for such a problem in the future, it is worth periodically checking the oil level in the hydraulic jack and when it is short enough to add a working fluid.

Thus, you got acquainted with the design of the hydraulic jack, studied its advantages and disadvantages, figured out the classification of such equipment and understood how the hydraulic jack works. Now you can start assembling the device with your own hands. And do not forget about periodic maintenance and pouring the working oil.

Good afternoon. I have a rhombus jack, I lost a handle from him, she was made in the form of a hook. Lift the car with such a jack without a handle is not very convenient. In two- three stores asked about the handle, they had no such, it was decided to come up with something else. Therefore, it was decided to upgrade this jack so to speak. Especially since you need to put summer wheels, the winter has passed.

So, we take the Bulgarian and gently scold this ear, where it was necessary to put a hook handle, in order to spin the jack.

So I saw the eye.

Now we need to find, or rather choose the head that we welded instead of our ear. So I picked up such a head, additionally do nothing with her, you just need to privar well.

Now we take the welding machine and weld the head.

It turns out like this.

After welding, I crawled this place a little, too did not turn it out so that there are some iron for hardness.

With such a head, it is easy to twist a jack and raise the car, especially convenient to twist as a rattling.

Yesterday I tried the jack in the case, changed all four wheels, put the summer tires, with the jack work it became simple and easy to work.

Well, it seems to be everything, if anyone will help this article will be very happy. The idea was spied by Alexey from Tambov.

Design and its features

Take on such "creativity" prompted me the statement about the "hard" of the work of the correspondencers of foreign homemade. Let's call it a "pen".
Whatever complicate your task, I performed it from Vidio-plot.

I'll say right away, may the author forgive me and let him look for his creation on the Internet. I submit to your "court" your already "creation".

Each motorist, with the purchase of a car acquires a jack for servicing. Jacks are different, both purely mechanical and pure hydraulic. But they all have the main drawback, these are ease of use. Install a jack for a car without bending a "three-diet" is impossible. There are more advanced, for stationary use, but the cost of such "offshore". That's about such a jack and we are talking.
The author of the homemade joined two types of jacks together. That's how it happened.

Design features.
For its design, the author used a ready hydraulic jack, making a fixture to it. The whole design consists of a thick-walled channel for 80. Made from the whole billet. The bends of the design were achieved by the slot of the side walls and further boleting. From the photo, the device of supporting rollers (wheels) is clearly visible, I do not see the meaning to stop on them. For the direct support on the car body, a rubber support is fixed, it can be used from the supporting pillows of the spring, engine ... Folding up to the desired sizes.

For installation and fixation of the jack, welded (fastened) to the lower channel metal plate, having the size of the base of the jack and thickness in the 5mm area. The main focus will be on the rancher.

To fix the jack, two holes for 8-10mm drilled in its foundation, and at the base of the welded platinum under the jack, two guide pins are installed. That allows you to securely fix the jack and at the same time freely withdrawing it.
A piston finger from the car, crops in the size of the internal width of the chapeller welded to the main rod of the jack. This finger relies on the moving part of the device and that the jack could not "slip", from both sides of the finger inside the chaserler weld the limiters of two metal plates with a thickness of at least 8-10mm. With this finger should rotate easily there.

For the stiffness of the design of Kosinki. It would not increase the weight of the device, they are not made of solid metal. Also welded a handle for the convenience of use.

Running the device under the car, you, as usual with the help of the handle, start the rise of the main rod of the jack and also lead the lifting lever into motion.

Due to the increased lifting lever, it is possible to fully raise the entire raised side. Both wheels do not rely.

This is probably all about the features of manufacturing this design.

To give the homemade "View", it must be painted.

What will you need for the manufacture of such a "rolling" jack:
0. Head.
1. Ready hydraulic jack.
2. Swsheller thick-walled for 80, in the area of \u200b\u200b1.5m.
3. Metal plates thick from 5 to 10mm, 150-200 cm square.
4.Metallic "Kregush" with a diameter of 12-16mm. 1-1.5 meters.
5. Piston finger of the car.
6. Rubber "Pillow".

Tool
1. "Bulgarian"
2. Welding.
3. Plumbing tool.