我段于1982年上半年开始配属北京型机车,至1987年底总台数已达140余台.1986年10月曾因旁承上滑板配件短缺,给机车检修和运用带来很大困难.为解决这个问题,我们通过调查研究,决定放弃按设计图纸组织配件生产的老办法,而采取省工、省料、经济、简便的修复工艺生产复合型旁承滑板. I paragraph in the first half of 1982 assigned Beijing-type locomotives, the total number of stations reached 140 sets by the end of 1987. In 1986 October due to the side bearing on the skateboard accessories shortage, to locomotive maintenance and application of great difficulty.To solve This issue, we through the investigation and study, decided to abandon the old method of organizing the production of parts according to the design drawings, and to take the provincial labor, material saving, economic and simple repair process to produce composite sliding bearing.