Second-level maintenance: by professional maintenance workers in the maintenance workshop or professional maintenance plant. Interval mileage is generally 10000~15000km. In addition to the contents of the operation center in addition to the first level of maintenance operations, to check and adjust the main, and dismantle the tires, the line tire shift.
In the automobile transport industry, vehicle technology management regulations, the original system to cancel the dismantling of the inspection as the center of the content of the three levels of maintenance, the requirements of the car maintenance should be carried out before the technical testing and technical evaluation, according to the results of the test and evaluation, to determine the additional operational items, combined with the level of maintenance together