Precious metals HS code alignment

List of the table of contents of this article:

• 1 、Precious metals HS code alignmentFive essential skills for automobile maintenance
• 4,Precious metals HS code alignment Basic Knowledge of Automobile Maintenance

What should be paid attention to in the repair and maintenance of cars?Do you know?

1. Wash the car body frequently: After days of rain, in addition to mud, the car body often has sticky substances such as tar. If it is not cleaned in time, it is easy to stick firmly to the car body for a long time, which is difficult to remove. Pay attention to the bottom and lower part of the vehicle. The dirt here accumulates the most, which is difficult to clean, and it is also easy to rust or damage the paint.

2. Long-distance and close attack. Telephone and online appointment for maintenance can not only save maintenance time, but also give the feeling of the first customer. When making an appointment for maintenance work with the maintenance factory, be sure to describe the fault of the car in as much detail and clearly as possible, so as to obtain the guidance of the technicians of the repair factory.

3. If the vehicle sent for repair needs to be left in the factory, the owner had better put the vehicle with the repair stationConfirm and record the mileage at the time of entering the factory, the approximate position of the gasoline meter pointer, the appearance of the vehicle, spare tires and tools, etc. Supervise the relevant staff to determine the damage of their beloved car as soon as possible, and leave after receiving the damage assessment form.

4. Some mutual fitting parts, such as piston and cylinder liner, shaft tile and shaft neck, valve and valve seat, connecting rod head tile cover and rod body, etc., after a period of grinding and cooperation, are relatively good. During maintenance, you should also pay attention to the assembly in pairs, and do not "string doors" with each other.

5. Notes on car maintenance 01 Belt replacement In the process of starting the car engine or driving the car, you find that the belt is ringing. There are two reasons: one is caused by the belt not being adjusted for a long time, and it can be adjusted in time after finding it. Another reason is that the belt is aging and needs to be replaced with a new belt.

6. What are the precautions for car repair and maintenance? The replacement of the belt There are two reasons why the belt makes a sound when starting the car engine or driving: one is that the belt has not been adjusted for a long time, and it can be adjusted in time after finding it. Another reason is that the belt is aging and needs to be replaced with a new one.

A few points of knowledge of car repair and maintenance

Check and repair car lights, check and maintain refrigeration and heating devices; clean sound systems, etc.

Only unleaded gasoline above No. 90 can be used; when the spark plug is not connected to the high-voltage line or there is a fault, the starter cannot be used to drive the vehicle and run the engine; regularly clean the injector and unplug the injector when measuring the cylinder pressure; regularly maintain the vehicle to make the engine work well, and do not have flammable materials. Drive or stop on the road.

Must know the knowledge of car repair and maintenance. Don't change if you don't need to change daily maintenance. There are indeed many ways to save money when you go to the 4S store for maintenance and repair. In fact, car owners can save the cost of daily maintenance. Usually, the owner of the car will replace the four filters during daily maintenance.

Scientific and reasonable maintenance of your car. The car maintenance cycle refers to the interval mileage or time of car maintenance. High maintenance frequency is not a bad thing, which can more effectively guarantee the performance of the vehicle.

Some knowledge of car repair and maintenance. If you don't need to change it for daily maintenance, don't change it. There are indeed many ways to save money by going to the 4s store for maintenance. The webmaster of a service station told reporters that there is actually a place where car owners can save money through regular maintenance. Usually, the owner will replace four filters during daily maintenance.

Five essential skills for automobile maintenance

1. Regular oil change The most basic maintenance of a car is to change the oil regularly, which can lubricate and protect the engine to ensure its normal operation.

2. The car starts shaking. Because individual cylinders do not work well and the valve is not closed tightly, running at high speed is a way. You can also run at high speed in the third or fourth gear for a while, and the effect is the same. If the hot car does not shake but the gear shift is not smooth (hand gear), it is possible that the injection nozzle injects unevenly, which needs to be tested and cleaned.

3. Top ten tips for car maintenance, engine oil check, park the vehicle on the horizontal road surface. Pull out the ruler to check the amount of oil. If the oil is within the two marking lines (F) and (L), it is within the normal range, and if it is below (L).

4. If there are scars on the car body, the ice cream machine manufacturer should first check the degree of the scar. If it is just a very light scratch paint, it should be treated with a mixture immediately, and the wiping method is straight.After the scar disappears, wipe it with a finer mixture before waxing.

5. Floor velvet: Usually, a foot mat is laid on the floor velvet to facilitate daily cleaning. Maintenance of car functional parts. Engine fuel check Park the vehicle on the horizontal road surface. Pull out the ruler to check the amount of oil. If the oil is within the two marking lines (F) and (L), it is within the normal range, and if it is below (L).

6. A simple and practical car maintenance tip. Clean leather seats with soap. Leather seats are afraid of scratches by hard objects, and even more afraid of corrosion by chemical cleaning agents. Using transparent soap with very little corrosive properties, it not only has good decontamination, but also the skin surface is soft and shiny after drying.

Basic knowledge of car maintenance

1. Clean the exterior of the car;Clean all parts of the car. Monthly car maintenance. During the monthly car maintenance, the weekly car maintenance items should be repeated, but the inspection should be more detailed.

2. Generally speaking, car oil should be replaced every 5,000 to 10,000 kilometers, or every six months to a year. Ensure regular inspection and filling of car oil during maintenance. The most important thing is that maintenance personnel must check regularly, and the safety factor is the most important.

3. Replace the dust on the paper filter element in the air filter. If the filter element is blocked by oil smoke or the filter element is damaged, it should be replaced.