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4.三级技术保养车辆每行驶24000-28000公里要进行三级技术保养。三级技术保养在完成二级技术保养所规定项目的基础上还需要进行的项目有:一是检查调整连杆轴承和曲轴轴承的径向间隙,以及曲轴的轴向间隙;二是清洗活塞和活塞环,并测量气缸磨损情况,必要时更换新件;三是检查、调整发动机调节器,检查、调整大灯光束;四是拆检变速箱,检查各部分的磨损情况,看有无异常;五是要拆检传动轴,弯曲超过0.5毫米应校正;检查万向节、前轴各转动部位、后桥等各部位有没有裂纹或破损,看看各齿轮啮合情况及磨损程度,检查并调整主传动的综合间隙;六是拆检钢板弹簧,除锈、整形并润滑;七要检查并润滑里程表软轴;八要拆下散热器,清除芯管间的杂物、油垢和内部的水垢;最后一项检查全部电气设备工作是否正常。
4. Three technical maintenance vehicles each driving 24000-28000 km to carry out three technical maintenance. Three technical maintenance In the completion of the two technical maintenance projects also need to be based on the project are: First, check and adjust the connecting rod bearing and crankshaft bearing radial clearance, and crankshaft axial clearance; second is to clean the piston and Piston ring, and measuring cylinder wear, if necessary, replace the new one; Third, check and adjust the engine regulator, check and adjust the headlight beam; Fourth dismantling the gearbox, check the various parts of the wear and tear to see if there are any anomalies; Fifth is to disassemble the drive shaft, bending more than 0.5 mm should be corrected; check the universal joint, the front axle of the rotating parts, rear axle and other parts there is no crack or damage, take a look gear engagement and wear, check and adjust The main drive of the overall gap; six disassemble the leaf spring, rust, plastic and lubrication; seven to check and lubricate the odometer flexible shaft; eight to remove the radiator, remove the debris between the core tube, grease and internal scale ; The last check all electrical equipment is working properly.