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我公司运输处1978、1979年进口了一批日野ZM440载重汽车(载重量14.5t)。到1986年底最少的已行驶了25万多km,最多的超过了30万km。在此期间该批车按原厂说明书的要求进行维护保养,未执行我国的计划预期检修制。1986年底基层机务部门及驾驶员反映,多数车辆发动机运转无力、起动困难、冒黑烟。要求进行大修。可该批车的运转里程虽然超过了公司规定的18万km的大修间隔期,但未达到局规定的38万km的大修间隔期。机械科在对进口机械管理经验不足的情况下,决定对该批车辆进行抽样检修,通过检测、修理来获得车辆主要部位的
In 1978 and 1979, our company’s transportation department imported a number of Hino ZM440 trucks (load of 14.5t). By the end of 1986, it had traveled more than 250,000 km, with the largest number exceeding 300,000 km. During this period, the batch of vehicles was maintained according to the requirements of the original manufacturer’s instructions, and the planned maintenance system of our country was not implemented. At the end of 1986, the grass-roots maintenance department and the driver reported that most of the vehicles’ engines were inefficient, difficult to start, and black smoke. Request major repairs. Although the operating mileage of this batch of vehicles exceeded the company’s prescribed 180,000 km overhaul interval, it did not reach the 380,000 km overhaul interval specified by the bureau. In the case of lack of experience in the management of imported machinery, the Machinery Branch decided to carry out sampling inspection and repair of the batch of vehicles and obtain the main parts of the vehicles through testing and repairs.