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约翰迪尔(佳木斯)收获机械有限公司(简称迪尔佳木斯)生产的1065型联合收割机市场保有量较大,配用的是Bosch发电机,参数是72A、14V,笔者曾接手修理多个1996年产的联合收割机配用的发电机,故障是充电电流表经常大幅来回摆动,有时指数是0,有时有一定的数值;而且隔几天蓄电池就要从机器上取下,用充电机进行单独充电,否则收割机启动困难。拆解发电机后,发现集电环磨损严重,其中的一个集电环铜环已经磨损到绝缘层,另一个集电环铜环也磨成一个电刷
John Deere (Jiamusi) Harvest Machinery Co., Ltd. (Dear Jiamusi) production of the 1065 combine harvester market holdings, equipped with a Bosch generator, the parameters are 72A, 14V, the author has taken over the repair 1996 The annual output of the combine harvester with a generator, the fault is the ampere meter often swings back and forth, and sometimes the index is 0, sometimes a certain value; and a few days the battery will be removed from the machine, with the charger alone Charging, otherwise the harvester starts hard. After disassembling the generator, it was found that the slip ring was worn seriously. One of the slip rings of the slip ring had been abraded to the insulation layer and the other slip ring of the slip ring was ground into a brush