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本刊从第7期开始,连续刊登上海-50型拖拉机及其配套动力495A型柴油发动机的修理质量标准。该标准由农业部提出,农业部农机化管理司归口,由浙江农业大学、上海拖拉机内燃机公司和浙江省农机管理局组织有关人员起草。有关内容均经生产厂、修理厂工程技术人员审核,并经实践检验,可供全国各级修理厂(站)试行,也可供驾驶员参照执行。刊登次序如下:495A型柴油发动机大修竣工技术条件;上海-50型拖拉机大修竣工技术条件;I号喷油泵修理质量标准;上海-50型拖拉机柱塞式液压泵修理质量标准。
Since the beginning of the seventh issue, the publication of the Shanghai -50 tractor and its accompanying power 495A diesel engine repair quality standards. The standard proposed by the Ministry of Agriculture, Ministry of Agriculture, Agricultural Mechanization Management Center, Zhejiang University of Agriculture, Shanghai Tractor Engine Company and Zhejiang Agricultural Machinery Authority drafted the relevant personnel. The contents of the factory were reviewed by the engineering and technical personnel of the repair shop and tested by practice, for all levels of national repair shop (station) pilot, but also for driver reference implementation. Publication order is as follows: 495A diesel engine overhaul completion of technical conditions; Shanghai -50 tractor overhaul completion of technical conditions; I No. injection pump repair quality standards; Shanghai -50 tractor plunger hydraulic pump repair quality standards.