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Basic knowledge of engine maintenance 1. Basic knowledge of vehicle maintenance 1) automobile maintenance is classified as routine maintenance, primary maintenance and secondary maintenance. 2) central content of all types of vehicle maintenance operations (1) central element of day-to-day maintenance: drivers are responsible for day-to-day vehicle maintenance operations, the operations centre of which is cleaning, supply and safety inspection, the main elements of which are as follows. We're gonna stick to the triple test. That is, before, during and after departure, car brakes, turns, moves, hangs, lights, signals, etc. And engines are inspected and tightened to ensure the safety of the vehicle. Keep the word “quick”. This means keeping the outer surface of engines, air filters, fuel filters and batteries clean. To prevent a “fault”. That is, the examination of lubricant oils (lipids), fuel, cooling fluids, various works, tyre pressure and, as appropriate, resupply to prevent leaks, oil, gas, electricity, etc. Clean up the appearance of the car and keep it clean. Each time a driver leaves the vehicle, he or she is required to conduct a careful examination of the vehicle in accordance with the daily maintenance content in order to reduce operational malfunctions and ensure the safe, timely and reliable delivery of passengers and cargo to the destination and the completion of transport tasks. (2) central elements of level i maintenance: responsibility for the maintenance enterprise. Its operations centre content, in addition to routine maintenance operations, is predominantly cleaning, lubricating, securing and inspecting safety components such as brakes and manipulation. (3) central element of the secondary maintenance operation: is performed by the maintenance enterprise. Its operations centre
