How much do you know about the filling of antifreeze?

1. do not mix.

Different kinds of antifreeze have different freezing points because of their different compositions, so they should be selected according to the temperature conditions of the vehicle driving environment. The mixed antifreeze can not play a good antifreeze effect, so as not to damage the vehicle.

2. not to be watered down.

After adding tap water, the freezing point of the antifreeze will not only rise, but also the precipitate will be produced gradually due to the impurities in the tap water, which will eventually affect the cooling system efficiency, and also cause cavitation damage to the cylinder liner.

3. no condensed antifreeze shall be added.

Direct addition of high purity concentrated antifreeze can not meet the requirements of engine cooling system for antifreeze, on the contrary, antifreeze deterioration, low temperature viscosity increase and engine high temperature will occur. Therefore, when using concentrated antifreeze, it is necessary to modulate according to the requirements and prohibit the direct use.

4. detect freezing point before freezing.

The freezing point of the antifreeze in the engine cooling system is checked before winter every year to avoid the failure of the antifreeze affecting the normal operation of the engine.

5. pay attention to storage mode.

To ensure that antifreeze is stored in a cool, non-direct sunlight place, while tightening the lid to avoid antifreeze contact with the air and oxidation, affecting antifreeze performance.

LNG heavy truck oil can not be added, otherwise the consequences will be serious.

1. do not use diesel engine oil.

Because the temperature of combustion chamber of gas truck is much higher than that of using gasoline and diesel oil, the lubricating oil is aging too fast, causing lubrication failure and early wear and tear of parts. LNG truck oil and gasoline engine oil are the same, but pay attention to the addition of models.

2. oil viscosity knowledge little science

For the viscosity of the oil, we use the SAE grade label, such as: SAE15W-40 "W" for Winter (winter), the number before which indicates that the better the low-temperature fluidity of the oil, represents the lower the available ambient temperature, the better the protection of the engine during cold start; "W" after (a horizontal rear) The higher the value, the better the protection performance of the oil at high temperature.

In cold winter, we should choose 5W-30 or 10W-40 oil, generally the smaller the number in front of W, the better the fluidity of the oil, and 5W can be applied to minus 30 degrees Celsius, 10W can be minus 25 degrees Celsius, so as to better protect the engine.

3. avoid cold engine oil change.

Under the influence of air temperature, the fluidity of oil will become worse. In the case of cold car changing oil, coupled with cold weather, the old oil will not be put clean. So before changing the oil, you should get off the car properly.

4. cleaning of oil sump should not be ignored.

Sludge can be found in the oil pan, which can make the engine difficult to lubricate, increase fuel consumption and even cause the piston ring to jam and pull the cylinder.

5. overcharging is counterproductive.

Some people may think that the more oil is added, the better the lubrication effect, but this is not the case. Excessive oil will lead to increased friction, carbon deposition, and even serious cylinder pulling. We usually add oil to the north to run the V3 accessories oil gauge half of it, no need to add more.

The choice of antifreeze glass water is right.

1., in view of local temperature, reasonable choice.

Many people will feel that glass water such things can not be blamed, but on the contrary, glass water anti-freezing performance is not good, will lead to wiper spray pump and pipeline freezing, and even the glass kettle cracking. Therefore, when choosing glass water, it is best to choose low-temperature performance lower than the region's minimum five degrees, to ensure that glass water in the region's minimum temperature can also be used normally.

2. anti fog function is very important.

In winter monsoon heavy snow, too strong or weak light will affect driving safety, if there is no anti-fogging function of glass water, will make the windshield become very blurred, more dangerous.

Maintenance and maintenance of LNG gas tank

1. Make sure the air inlet is clean every time. Avoid the blockage caused by water and stolen goods entering the cylinder. After filling, fasten the dust-proof cover of the filling seat and the air-return seat.

2. If the northbound V3 fittings pipeline or valve freezes, use clean, oil-free warm water or hot nitrogen to thaw, then do the operation, never hammer.

3. Vehicle parking overnight, to close the booster valve, liquid outlet valve, vent valve, start the vehicle to automatic extinguishing, to avoid due to night low temperature caused by pipeline ice jam.

4. do not freeze ice on the supercharger coil, if it is frozen or dirty, clean up in time to ensure the smooth operation of the pressurization.

5. Before the vehicle is running, the liquid outlet valve is opened (clockwise and counterclockwise). When opening, it should be operated slowly. If the opening speed is too fast, the flow valve will close automatically, and the cylinder will not be able to supply gas.

6. Check the connection of gas cylinder with fastened northbound V3 fittings regularly every week. Strike the connection with hammer or other hard objects is forbidden. Otherwise, it will cause damage to the pipeline and damage the tightness.

Physical defense is also important.

In ice and snow road, smooth road will greatly reduce the tire friction, when braking is very easy to produce folding, sideslip phenomenon, so anti-skid chain here is extremely important, after installing anti-skid chain should be slow to avoid emergency braking.