To ensure the transmission of a spinning torque at angle of rotation of up to 70 degrees with respect to the axis in the control systems, the hinges of equal angular velocities are used (hereinafter covered).

Did you know? The precursor of the shruss was paired cardan Val.which had an angle of rotation of 40 degrees. For the first time, such a dual hinge was applied by the Austrian Gref-pin plant in 1897 when testing a car with front leading bridge.

Lubrication for shruses is the main element that ensures good work and the durability of such hinges. The challenge that stands in front of the lubricating materials of the shrussa is not only the protection against the friction of the components and the corrosion prevention, but also a reduction in the load on them, which provides more free rotation. As a result of the trouble-free operation of the screen, the transmission losses of the car and the cost of fuel are reduced.

We choose lubrication for shruses

Plastic lubricants, which differ in composition, production quality and price are used for lubrication of the shruse.

Did you know?Plastic lubricants are obtained by thickening liquid mineral or synthetic oilswhich is called basic or lubricants.

For shruses, lithium-based lubricants are most suitable, Molybdenum disulfide and barium. When choosing a lubrication composition, first of all, it is necessary to see the manufacturer's recommendations in the instruction manual of the vehicle, because lubricants can dissolve polymer materials from which anthers produce.

The violation of the integrity of the shrussic anther can lead to a leakage of lubrication and clogging a hinge, which will lead to its breakdown. It matters in internal or external hinges, lubrication will be applied, and under which weather conditions the car will be operated, because some lubrication formulations work poorly at low temperatures. After determining the composition of the required lubricant, the question arises between expensive and cheap.

There is no direct dependence, very often inexpensive lubricants. domestic production Do not inferior as import. It is better to buy lubricant of a well-known manufacturer. When choosing a lubricant, it is important that the mass of it is homogeneous, not resolvered when used. Pay attention to the lubrication packaging, it must be clean, without inclination and fat spots. It is very convenient to buy lubricant in a disposable packaging from polyethylene, thanks to which the lubricant can be considered, to feel the density and save on the package.

The purchased lubricant can be tested before use and, in case of unsuitability, buy another, which will be cheaper than the replacement of the hinge itself, if the bad lubricant leads to its unsuitability. To check the stability, it is possible to put a little lubricant on the sheet of paper - the appearance of a bold spot around the lubricant may indicate a violation of technology, it will also burst into the hinge. It is worth checking the degree of lubrication degree - the height of the extruded column must exceed its diameter twice.

Did you know? The degree of thickness or consistency of lubricant is classified according to the developed NLGI methodology (American National Institute plastic lubricants), which highlights nine categories from 000 to 6. Categories 2 and 3 are suitable for bearings, but in passenger cars Usually apply 2 categories.

And even the lubricant should be stretching like the chewing and the thinner stretched thread, the better.Lubricants may contain different additives, better if it is soft metals: tin, silver, copper, but such lubricants are not often found.

Important! When installing a non-original set of a shrus, it is necessary to replace the lubricant, because it is often a poor-quality mixture in it.

Lithium lubricants are most often used for parts withsting very high loads. Such lubricants are very waterproof, operate with strong vibrations and a large temperature range from -40 ° C to + 120 ° C. All lithium-based formulations have good protective properties for shruses, but not all of them are capable of fighting metal corrosion. They are a viscous composition of yellowish brown. Modern complex lithium lubricantsProduced on the basis of lithium salts are superior to the quality of simple lithium lubricants - lithols obtained on the basis of lithium soap.

But the most popular of lubricants used for shruses is a simple lithium lubricant. Litol-24. Development of the USSR. In addition, the price of litols is much lower than complex lithium lubricants. All lithium lubricants are resistant to most polymers, which are used for the production of anthers, but can dissolve plastics on an organic basis.

Barium lubricants have high performance features. They are very waterproof, have a high melting point, high mechanical and chemical stability, are not susceptible to oxidation and are able to suspend the development of corrosion. Such lubricants are neutral with respect to polymer compounds. The most common out barium lubricants Domestic production is SRB-4, having a capple temperature of 200 ° C. The lack of barium lubricants is low frost resistance and a high price, which is due to the relative complexity of production.

As a result of searching by scientists of alternative compositions used for all types of cars, lubricants based on the Molybdenum disulfide appeared. Such lubricants have increased corrosion resistance, protected by friction, have a high melting point to + 400 ° C, frost resistance to -45 ° C, neutral to any polymeric materials. The main disadvantage of lubricants with molybdenum disulfide is water solubility. When using such lubricants, you need to carefully monitor the integrity of the anthem.

Which lubricant cannot be used

For shruses, hydrocarbon compositions cannot be used, including technical vaseline. In addition, that they are resistant to corrosion and water, the temperature of their melting is only 45 ° C, such a lubricant will simply fall out of the shrus after a few kilometers of travel. Also unsuitable for working in calcium and sodium-based lubricants, not adapted to high loads and corrosion. It is not necessary to use graphite lubricant intended for use in electric motors. Prohibited for use in transmission vehicle Iron and zinc-based lubricants.

How often change lubrication

For good safety, the lubricant needs to be changed after 80-100 thousand km of run, but with severe conditions of operation and intensive driving, the change of lubricant after every 50-60 thousand km is recommended. For those who go a little and does not gain such a number of travel, the lubricant must be replaced after 4-5 years of using the car, because it will lose its fitness. If the car is not operated for 8-9 months or operated not often for 18 months, then the lubricant should also be replaced to avoid aging.

Important! Before the time of replacing the lubricant often examine the anthers. In the presence of damage urgently change them and lubrication.

The correctly chosen lubricant will protect you from large financial costs for replacing a shrus.

Performs the transmission of torque wheels. Reduced it is called Sls. In itself, this device is quite simple. It is a ball bearing that rotates not along its axis, as it occurs in most similar devices, and across. Own external species He resembles an anti-tank grenade, therefore he received a similar nickname "grenade" in the people.

Thanks to the screw, the front-wheel drive cars were again born, because before creating this device, the engineers could not come up with a practical technology that would transmit a torque with sufficient force while turning to the front wheels. And the Schrus made it real.

When the "grenade" fails, it makes the appropriate sounds that cannot be confused with the sounds published by another spare part. This is a knock or crackling, which is distributed with a troggy from the place or when performing turning. If you hear such sounds - undoubtedly, you need to change this item. The reason is that there is no lubrication. Sls must constantly be lubricated. It can also be possible to occur due to the fact that the driver sweeps sharply from the place when the wheels are turned or rotates at high speed.

Is not subject to. When he fails, it must be replaced. If you have a question "what to replace the lubricant?", Immediately throw it away. In "Grenates" there should be only the lubricant that is provided for it. It is categorically not suitable for this business. Application is provided at all for other purposes. But some "clever" squeeze the Sls. I repeat, in the "grenades" there should be only lubricant Sls. If you do not consider these moments, you can go to the station on the tow truck.

Lubrication Sls is in "Granate", as a rule, the entire service life. But it happens that she leaves from there. The reason is a spoiled boot shrus. His task is to delay this lubricant. If it is possible to detect it in time, then you can save the mechanisms, for which the boot changes and the new lubricant rolls down. But first it is necessary to remove the oldest as possible, because in it there is already dust with sand, which contribute to the rapid destruction of parts.

When you choose the lubricant for the Sls, pay attention to the indicators of water resistance, mechanical and antioxidant stability, anti-facility properties, as well as evaporation. The better they will, the greater the guarantee that your "grenades" will still serve you in faith and truth.

How to change the boot shrus? At first glance it may seem that the procedure is light enough, but it is only at first glance. After all, you will need to drain the oil, unscrew the wheel, break all the bolts of IT.D. If you have experience in this matter, you will handle, and if not - it is better to contact special workshops. After all, if you make a mistake, then the boot will not provide tightness, and this is already fraught with sand and dust in lubrication, which will very quickly lead to the failure of the entire shrus. Then you have to pay for the repair much more than the master when replacing the anther.

What is Sls?

The hinge of equal angular velocities (Solus) is an important detail used in front-wheel drive and all-wheel drive vehicles. Sls transmits torque from transmission to wheels, while exposed to serious shock loads; Therefore, special lubrication is necessary: \u200b\u200bit ensures the protection of the shruses from premature wear and corrosion.

What are shrurs?

Hinges of equal angular velocities are of different designs, but in modern automotive industry two main types are used. The first type is the classic "Rapt-Lebro" hinge with 6 balls. This type of shrus is now most common as outer wheel drives of front-wheel-water passenger and off-road all-wheel drive cars, less often used as internal or cardan joints. The second type is a tripod hinge having smaller angles of rotation, but allowing higher speeds and axial displacements, is used mainly as internal hinges passenger cars. These two types of hinges require two absolutely of different types Lubricants.

Lubrication selection:

The ball hinge, due to very significant contact pressures, requires lubricant, depending on the load containing from 3% to 5% Molybdenum disulfide. The lubricant is made on a mineral base basis, a lithium complex soap is used as a thickener, EP additives are often added to increase the bearing capacity. The resource of such a hinge and the lubricant itself is very large and approaches the resource of the car itself, if non-rubber covers. Quite often covers are rushing due to mechanical effects. If the tip of the cover can be quickly determined, it is enough to simply change the case and lubricant, if not, the hinge itself falls under the replacement. Most manufacturers deliver in spare parts covers, along with a shruss lubricant in an impersonal plastic package, often in insufficient quantity. Sls may be needed from 40 to 90 grams of lubrication. Lubricants for shruses from various manufacturers can differ significantly from each other, both in price and properties and should not be thought that products are supplied from maximum quality. That's why, Liqui Moly. offers a special lubricant for LM47 LANGzeITFETT + MOS2 shrusses in separate packages 100 and 400 gr. LM47 significantly exceeds standard lubricants and is suitable for the highest load and turnover, contains additional (except for disulfide molybdenum), antisaded additives based on zinc-phosphoric compounds.

Tripod type hinge, due to elevated temperature (proximity to gearbox and design feature), require high temperature lubricant Without solid inclusions, the penetration (viscosity) of such a lubricant is slightly lower than that of the classic lubricant for shruses. The bridges use a lubricant with a polyurethane thickener, first-class penetration, upper temperature range up to + 180 ° C and a mandatory EP-complex.

The right choice of lubricant for hinges of equal angular velocities is the key to a long service life, as well as a comfortable and secure trip.

How often to change lubricant?

Lubrication is laid at the factory for the entire service life of the hinge, but someone is not insured against surprises. A rubber or plastic casing of a shrussa can break from contact with outsiders or overheating. Then the hinge inevitably gets dirt and water. If you do not detect the problem on time, then an expensive hinge will have to be replaced and, accordingly, lay fresh lubricant into a new item. If you regularly monitor the cover covers, it is enough to simply replace the case itself and, naturally, lubricant.

Some motorists do not know the names of the nodes of the machines. Therefore, in the process of repairing or during communication with specialists, difficulties may arise. Sls - this is a hinge of angular velocities.

There are two types:

• external - for rotation directly hubs;
• internal - to transfer torque from the engine to wheels.

Composite parts of the node

The knot is known to humanity for a long time and indispensable in cars. The design is simplicity and, with proper maintenance, will serve correctly and for a long time.

Composite parts of a shrus:

• housing - in the form of a bowl;
• owl with oil - is inside;
• separator - ring opening;
• six balls - as in the bearing.

For trouble-free operation of the device requires its timely service. Since the node has fading details, it is required to be lubricated in order to:

• reduction of friction;
• reduction of wear;
• lowering loads on rubing parts;
• protection of metal from corrosion.

The oil is short-lived and periodically should be changed. But questions appear:

1. What mixture to choose?
2. How to do it?
3. How much mixture to fill in the screen?

About lubricant

Each node of the car has its own features of operation and care. Before purchasing something, you should read the instructions and find out the recommended lubricant.

Lubrication selection

If the manufacturer does not indicate which lubricant to use for shruses, you can use a universal agent. You should choose carefully because the device is operated under serious loads.

To minimize! Everything lubricants Made of oil. Fake fakes.

In the auto shops you can purchase a special mixture, which is different:

• high viscosity;
• strength.

It is required to hold the substance on the surface of moving parts even when high temperatures. Oil features:

• the invariance of characteristics under changeable conditions;
• anti-corrosion properties;
• the ability to save your initial characteristics for a long time.

When changing lubricant

Replacing a viscous substance in shruches is made in the following cases:

• when mileageing a node over 100 thousand km.;
• when replacing the anther knot;
• when replacing the shrus itself.

The number of required lubricant when replacing is indicated:

• in the car manual - not always;
• on the package - always.

Disaster node and its promissory

Disbanding an internal shrus (tripod)

Attention! Memo seats of parts of the node. Take marks. Everything should be back into place, especially balls.

Replacement algorithm when replacing:

1. Unscrew the nave nut.
2. Throw balls.
3. Loosen the screed of the anther inner scrub.
4. Become racks.
5. Get the item.
6. Remove the lock ring.

Lubricant

Attention! Prepare the materials for cleaning from the old lubricant. You can not use the solvent.

Details removed must be cleaned up to shine. To remove the old lubricant, it is advisable to use paper, and for final cleaning and polishing - towel.

The algorithm for lubricating parts during its replacement:

1. Score the bottom of the grenades with a mixture.
2. Collect a hinge.
3. Install a lock ring.
4. Lid axis.
5. Check the coincidence of the rods of the tripode.
6. Score the whole knot.
7. To exit lubrication to outward its small amount in the boot.

Disaster of an external scrub

1. Press the separator with balls.
2. When tight a melting can be knocked through a plastic or wooden part.
3. Taking the balls to remember their places. For this purpose, cardboard with holes are useful, you need to insert them there to not confuse the place when you return.

Lubricant

Lubricant Replacement Algorithm:

1. Remove all parts from the old substance.
2. Rinse and dry.
3. Inspect the details for damage.
4. Lay lubricant into a glass.
5. Lubricate the clip and insert balls exactly to the place.
6. Insert the clip into the glass, fix the separator.
7. Remove excess lubricant.

Remember! The external node will require 120-150 grams of oil, internal - 100-130 grams.

For clarity, you can use the video material:

Replacing without parsing

Replace lubricant in a shooter and without removing it component parts. For this you need:

1. Remove the shrus itself from the car.
2. Insert the tip of the Tyuba and press the oil inside the node.
3. Tightly press the Tube and wait until the color of the substance changes to fresh.
4. Wash the detail, removing excess substances.
5. Put the item in place.

Attention! This method has one drawback - a thin layer of the old substance remains on the walls of the parts inside.

No need to rush to use a blurred knot when driving. Worth it scroll the node in place while the car is suspended on jacks. It is necessary for the uniform distribution of lubrication in detail.

Attention! On the car with automatic transmission with hung wheels, the pressure in the system will quickly subsides.

The process of replacement is not so complicated and in the presence of a minimum set of tools and skills to simply do it yourself. It will save money and make it better to feel the car. And remember quality replacement No lubricants are not done without removal. If it is not possible to remove the node, it is better to go to the car service to those skilled in the art.

2. Very Lube. You can buy only 200-250 rubles. Temperature Range With prolonged use from - 25 to + 130 degrees, with short-term reaches + 150 Celsius. Used for external hinge of equal angular velocities. Looking through user opinions, we can conclude that the lubricant is quite good. Significantly increases the service life of the part. The optimal ratio of quality and price. Among the disadvantages are bad moisture tolerance. This can play an important role in the event that you often come around wet roads.

1. Lubrication Sls 4. Main characteristics: Water-resistant, mechanically stable, almost no evaporates, temperature regime - from - 40 to + 120 degrees. The composition includes antifriction additives. The basis is oil oil. Used on most domestic cars. Its storage is not more than five years. It may be used in all friction nodes. There are no negative opinions about this lubricant. According to users, she copes well with all the loads and is not quite expensive. Its price is 150 rubles. Rightly considered one of better options For shruses. It can be used even on foreign cars.

Nominal number

How much lubricant to fill in the Sls? The question interests everyone who plans to perform a replacement work independently. Regardless of the type of hinge, it is recommended to use no more than 150 grams, and at least 120. As already mentioned, it is more, because everything that seems excess will be extruded from the system. If you put less, the likelihood that the Sls fails ahead of time, significantly rises. If it fails, a characteristic crunch will be heard on the turns. If it happened, you need to immediately change it, for there may be problems with all chassis system. How to lubricate the Sls you can look at the video below.