Automobile first-class maintenance project: cleaning; It seems that this project can be maintained by the owner himself, but it is not. Cleaning here does not mean cleaning the surface of the car, but more detailed things such as cleaning and replacing the air filter of the engine, checking the handle of the rotating machine, cleaning up the sediment inside and so on.
First-class maintenance item 2: car body; This inspection is mainly to check whether the screws fastening the car body and other accessories are tightened safely. To ensure that all parts of the car body do not go wrong during driving.
Primary maintenance item 3: grease; Don't think that this project is to check whether the car's gasoline is full, then you are wrong. This project mainly checks the crankcase height, carburetor and brake fluid level. If it exceeds the standard height, it is harmful to the car. Also check the water leakage, oil leakage and electric leakage of the whole vehicle.
Automobile primary maintenance item 4: detection device; First-class maintenance of automobiles requires inspection of various devices in automobiles, such as three-way catalytic converters, radiators, intake and exhaust manifolds, carburetors, fans, air compressors and generators.
Extended data:
Secondary maintenance of automobile: The maintenance of automobile is mainly to check and adjust the safety components that are easy to wear or deform after a certain period of use, such as steering knuckle, steering rocker arm, brake shoe and suspension. Disassembly and inspection of tires, tire transposition, inspection and adjustment of engine working conditions and exhaust pollution control devices, etc. And the maintenance enterprise is responsible for vehicle maintenance.
Automobile secondary maintenance project 1: engine; The secondary maintenance of automobile needs to test whether the engine idle speed, medium speed and high speed, cylinder pressure and vacuum degree meet the standards. And whether the indexes of the engine after three times of cleaning and filtering meet the specifications. The inspection of this project is more detailed than the first-class maintenance.
Automobile secondary maintenance project 2: clutch; This project is to test the convenience, stability and reliability of clutch operation, to ensure that the clutch is convenient and normal when used, and there is no oil leakage in the hydraulic system. Let the driver use the clutch better.
Automobile secondary maintenance project 3: tires; Check whether the tire pressure is normal, whether the tire tread is mixed with impurities that are easy to hurt the tire, such as gravel, and whether the tire is aging and blistering. Also check whether there is friction between the tires and the trunk floor during normal operation.
Vehicle secondary maintenance item 4: vehicle inspection; This project is to test the overall situation of the car, such as whether there are cracks in the frame, whether the screws are loose, whether the lights are activated, and whether there is abnormal noise when driving. If found, it will be checked, adjusted and eliminated immediately. Ensure that the vehicle runs normally.
References:
Baidu encyclopedia-automobile first-class maintenance
Baidu encyclopedia-automobile secondary maintenance