What should I pay attention to when adding lubricating oil? What are the precautions for using engin

The oil level should be slightly lower than the scale on the dipstick: oil is extremely important for the movement of the engine, as it is responsible for lubrication and heat dissipation. Therefore, at any time, there should never be a shortage of oil for the engine.

But adding too much (exceeding the upper limit of the ruler) has bad consequences. Too much oil will increase the rotational resistance of the crankshaft, reduce the output power of the engine, and the excess oil will enter the combustion chamber to participate in combustion, causing the vehicle to burn oil, blue smoke, and increase fuel consumption.

When adding lubricating oil, be sure to keep it slightly lower than the scale on the dipstick. In addition, it is necessary to grasp the type of engine oil, season, climate, engine displacement, technical performance and many other factors. Therefore, it is best to choose a professional car maintenance center, after careful judgment of the car, choose the appropriate engine oil, and carefully operate the maintenance process to prevent hidden dangers.

Of course, the general car maintenance center will not add more oil (cost control), but the car maintenance center will not pay too much attention to the oil you bring yourself, so you should be careful not to add more lubricating oil.

1. The addition of lubricating oil should not exceed the standard, 2. The addition should be timely, 3. The new oil and the old oil should not be mixed.

There is no doubt that the role of lifts in today's society in aerial work is beyond doubt, the use of elevators not only allows people to ensure safety, but also can more easily and efficiently complete various aerial operations, the bosses engaged in aerial work know that they want to keep the elevator in good working condition, the maintenance of equipment is the key, lubricating oil is one of the most important maintenance products of elevators, lubricating oil is a common industrial chemical in industrial production, machinery and equipment manufacturing, maintenance and daily life, The same is also very important for the lifting equipment industry, high-quality lubricating oil can better reduce the friction of various parts of the elevator, cooling and cooling, protect the engine from wear, and effectively extend the service life of the elevator.

Second, when filling lubricating oil, do not feel that you can add more, the amount of lubricating oil should be appropriate, but also regularly check the oil quality of the lubricating oil, such as found that the lubricating oil is dark, sticky or there are foreign objects such as grit to replace in time.

Third, the rollers of the elevator are attached to the bearings, and any movement of the elevator is accompanied by the rotation of the rollers, so the rollers of the elevator are also a part that needs to be lubricated, do not ignore this.

4. When the elevator is used for the first time, it should be replaced with new lubricating oil when it runs for 100 hours.

The amount of lubricating oil should be controlled between the upper and lower scale marks of the dipstick. Because too much lubricating oil will enter the combustion chamber from the gap between the cylinder and the piston, and burn to form carbon deposits. These deposits can increase the compression ratio of the engine and increase the tendency to detonation; The red-hot state of carbon deposits in the cylinder is also easy to cause premature ignition, such as falling into the cylinder will aggravate the wear of the cylinder and piston, and will also accelerate the pollution of lubricating oil.

Secondly, too much lubricating oil increases the stirring resistance of the crankshaft connecting rod, which increases fuel consumption.

3.It is not that imported engine oil will be more effective, because most of the imported engine oil has a low viscosity and does not meet the requirements of domestic cars for oil viscosity. In addition, the material thermal expansion coefficient and matching gap of various parts of the domestic engine are larger than those of imported cars, and most of the domestic car engines do not have oil radiators, if the imported oil is blindly used, the oil pressure will be low because the engine oil is too thin at the normal working temperature, and even can not reach the specified working pressure can not meet the needs of normal lubrication, so that the wear and tear of the engine is aggravated.

There are several points that should be paid attention to when adding lubrication: 1. The addition of lubricating oil should not exceed the standard. 2. Add lubricating oil in time. 3. New oil and old oil cannot be mixed.

When replacing the lubricating oil filter, be sure to coat the sealing ring of the filter with a layer of lubricating oil to ensure the flatness of the sealing ring and tighten the filter. Be sure to refer to the scale mark when adding lubricating oil, not too much or too little. After filling the oil with the oil, start the engine to spin for a few minutes to check for oil leaks.

Pay attention to safety and hygiene during the replacement process, do not get it on the clothes, and reasonably dispose of the waste lubricating oil can not cause pollution.

Additives are useless, the main thing is to look at the quality of the oil, and you can improve the power with a better quality oil. Like the GT Magic Red I use, it is a PAO base oil, which is better than the average fully synthetic engine oil, with fast acceleration and easy overtaking and climbing.

Good quality engine oil does not need to add additional additives, using oil containing liquid molybdenum anti-wear effect is particularly good, I am now using GT Magic Red engine oil, liquid molybdenum anti-wear effect is very good, it has a good role in protecting the engine.

1. Pay attention to observe and record the oil consumption, and find out the cause immediately when there is an abnormal situation, and eliminate the fault.

2. During operation, attention should be paid to oil pressure and oil temperature, and when undesirable phenomena are found, they should be stopped in time for inspection and troubleshooting.

3. Regularly clean the lubrication system components (primary filter, secondary filter, oil radiator, oil pan, etc.) to ensure that the lubrication system is always clean and smooth.

4. Qualified lubricating oil should be selected. Lubricating oil must be filled according to the requirements in the manual, especially for imported, two-stroke, and supercharged engines.

5. When it is found that the lubricating oil has deteriorated and changed color, the oil pan is deposited too much, or the oil is mixed with water and fuel, it should be replaced in time, and the seasonal oil change should be carried out in winter and summer.

6. Before starting the engine in winter, the hand crank should be rotated several times, and then the engine should be started, so that all parts can be fully lubricated and avoid burning the vara cylinder.

and other engine failures.

7. Always check the oil pan oil level height, and keep the oil level height not too high or too low. Slightly more oil should be added to the newly repaired engine. After operation, stop and check the height of the oil level, and put more and add less.

Now we advocate the concept of car maintenance instead of maintenanceThere are many system parts that need to be checked and replaced regularly in the daily driving of the car. Engine oil is the most basic maintenance, and it is also relatively frequent.

Motor oil is to a car's engine what blood is to the heart。Regularly changing the oil for the car owner's car according to the specifications is something that every car owner cannot escape. In addition to changing the engine oil according to the rules of the car maintenance and repair manual, you also need to pay attention to changing it according to the actual situation of your own vehicle.

After all, the car is your own, and the money is your own.

Car owners who need to change their engine oil need to pay attention to the following:

Note 1: Choose the right oil for your vehicle. Some car owners will choose low-grade engine oil instead because of the ** of engine oil.

Some car owners will blindly choose more expensive engine oil for convenience. In fact, we only need to choose the engine oil according to the car instruction manual of the vehicle we are buying, and at the same time pay attention to the viscosity of the engine oil family also meets the requirements. If you really don't have the same grade of oil, you can choose a higher grade of oil instead.

Note 2: Whether the amount of oil added is appropriate. If less oil is added because of saving, the lubrication of bearings and journals will be insufficient, aggravating friction and wear, and causing vicious accidents such as burning rotary shafts; However, if you add too much oil to save trouble, it can also cause other problems such as burning oil.

Therefore, when adding, make the oil between the upper and lower scale marks of the oil dipstick.

Note 3: When draining oil, special attention should be paid to whether there is a new screw washer in the oil pan screw; After replacing the oil filter with a new one, whether the old oil filter rubber gasket is removed. This may seem like a simple problem, but it can lead to oil leakage in severe cases.

Finally, I would like to remind all owners that after changing the oil, they should start the car and let the engine run for 3 to 5 minutes before turning off the engine。Check the amount of oil and whether there is any oil leakage in the oil bottom screws and other positions before the oil can be considered to have changed the oil.

It is necessary to pay attention to try to choose some better quality lubricating oil, there is no special smell, and it should also roll up to pay attention to the choice of lubricating oil that is more in line with the model, the same specifications, do not choose it and destroy his specifications, and do not call for too much dosage when maintaining, do some lubrication in the engine, so that the performance will be particularly good, do not smear on the tires, only in this way will not let the vehicle be harmed.

It is necessary to pay attention to the number of collapses and use them a small amount many times, and not to apply too much at once. At the same time, it should also be applied to places that are more prone to rust and dampness, and should also be wiped with soft fabrics. You should choose a lubricant that is suitable for your own vehicle.

When using lubricating oil, it should be added according to the situation of the socks, and it can not be added frequently, and after adding lubricating oil, it is not recommended to add other things to Chahaohong, but also according to the different models of cars and engines, and use different lubricating oils.

First of all, I believe that we must use a good quality lubricating oil for the stool. Also carry out a maintenance according to your vehicle. It is best to use it according to the original model. When using lubricating oil, it is absolutely not necessary to smoke and do not store it separately.

Hello The first and most important thing is that we should strictly follow the label on the manual to choose the same viscosity of the lubricating oil, do not be smart, which will only shorten the life of the car engine. Second, the choice of lubricating oil should be based on the requirements of the engine. Of course, the lubricating oil must be selected, and the quality must be guaranteed.

However, it is not necessary to use high-grade lubricants on lower-grade engines, nor should lower-grade oils be used on more demanding engines. Third, try to choose multi-grade oil, multi-grade oil has a good protective effect on the engine. Based on the characteristics of multiple genes, premature blackening may occur during use, and the lubricating oil pressure is relatively small compared with the general lubricating oil, which is normal.

Fourth, there is no need to blindly worship the foreign. The quality of some domestic brand-name lubricants is quite good. It is good to choose a lot of domestic engine oil, although the company is in China, but their technology and raw materials are imported from the most advanced abroad.

The viscosity of the lubricating oil should be appropriately selected, if the matching gap of the friction surface of the two parts is small, the lubricating oil with lower viscosity should be selected, because the lubricating oil can not flow into the two friction surfaces with a small matching gap when the viscosity is small, so that the lubrication work can not be carried out; For the lubrication of the two friction surfaces under heavy load working conditions, the lubricating oil with high viscosity should be selected, because the lubricating oil with high viscosity forms the strength of the oil film, which can ensure the good lubrication between the two friction surfaces under heavy load conditions.

The freezing point temperature of the lubricating oil should be lower than the minimum temperature of the working environment (generally more than 10 lower) to avoid insufficient oil supply due to the poor low-temperature performance of the lubricating oil, so that the two friction surfaces are worn due to poor lubrication conditions.

Note that the flash point temperature of the lubricating oil should be greater than the maximum working temperature of the lubricating oil, and the flash point temperature of the lubricating oil should be greater than the maximum temperature of the lubricating oil working environment under normal circumstances 20 30.

The first thing to pay attention to when buying lubricant is to pay attention to. When choosing a lubricant, be sure to choose a big brand. The louder the brand. The bigger the brand. The better the quality of his lubricant. And it depends on whether he is synthetic or semi-synthetic.

When buying back a lubricant, you should pay attention to the model of this lubricating oil, as well as its production years, and the composition and percentage content of this lubricating oil.

For lubricant products, although they are used every day when driving, we cannot intuitively feel its advantages and disadvantages. For peace of mind, we only pay for imported lubricant products. The idea is understandable from the point of view of protecting the car.

I used to think so, but now it has changed, because in recent years, domestic lubricants have developed very fast, and the overall quality has also improved greatly. Therefore, in a sense, blind superstition of foreign lubricants is also a manifestation of ignorance of domestic oils. As for the purchase, I personally have some reference factors.

In terms of sales, domestic Kunlun sells well, and there are friends around to use it, and Great Wall lubricants are more common. It is also said to have the largest sales in China. If there are many people who use it, it means that the reputation is good, and the heart will be more down-to-earth.

As for performance, the inside of the lubricating oil is the inside of the lubricating oil and fights. Veteran drivers generally know that lubricants are mainly synthesized from base oils and additives. In fact, many imported base oil and additives** companies have the same and similar base as domestic big brand lubricants; In addition to the production equipment and technology of imported lubricating oil, domestic lubricating oil is also used at the same time.

Therefore, with the convergence of base oils, additives and production processes, the performance of domestic lubricants is comparable to that of imported lubricants.

In addition, the speed of the machine is not high in everyone's daily life, many are at 3000 5000r min, in this case, the difference between the use of domestic lubricating oil and imported lubricating oil is very small. In addition, another advantage of domestic oil is that it was born to serve the overall construction of the country, which is much more demanding for civil purposes. For example, the Great Wall, where people specialize in fueling the national space and high-speed rail projects, or Mercedes-Benz, the only global lubricant service provider in China, must have a bit of a dry stomach.

To be clear, automotive and industrial lubricants are made from a mixture of base oils and additives. In fact, domestically produced motor oils have the advantage that Karamay produces a large amount of ** with a lower sulfur content than Middle Eastern oils, so it is on a good footing.

The real difference between domestic and imported oil is the additives. There are four well-known additive manufacturers in the world, namely Chevron, Lubrizol, Infineum and Afton, all of which are monopolized by foreign countries. Many domestic manufacturers have a certain gap in additives, but the gap is also narrowing.

As for the production standards, the top domestic lubricant manufacturers can meet the requirements of SAE, API and other international indicators. Many of these brands of lubricants are used in the initial oil of large OEMs and the maintenance oil of 4S shops, which shows the recognition of their performance. So, when choosing a car lubricant, remember to choose only the right one, not the expensive one!

What's more, the so-called inferiority of domestic oil to imported goods is a thing of the past.