牵引/辅助变流器中的KAUX在主断未闭合情况下是闭合的...
Thursday, October 12, 2023
精细滤油器排空完成后,用手()仰视关闭精细滤油器的手动泄放阀并用检漏液对其进行气密性检查。A、正向B、逆时针C、顺时针D、反向...
Saturday, September 10, 2022
CRH2A动车组供排水装置设置在()号车,由电动泵方式供水仅CR...
Saturday, September 10, 2022
Saturday, September 10, 2022
Wednesday, October 11, 2023
CRH2A型动车组一级修司机室作业,目视检查司机室总配电盘,各接...
Tuesday, September 13, 2022
Wednesday, March 8, 2023
检查空气弹簧高度符合规定在360±5mm范围内,橡胶气囊龟裂深度...
Saturday, September 10, 2022
CRH2A型动车组制动盘检查标准:外观状态良好,动车轮盘厚度≥(...
Tuesday, September 13, 2022
用万用表测量接地继电器GR3的701C~702A间输入电压。...
Sunday, March 5, 2023
CRH2A检查司机室侧门气密橡胶,无破损、有松动迹象;确认胶条安装状态良好。...
Monday, May 6, 2024
QEL柜中用于保护和控制辅助中压电路设备的中压去的电压和频率为(...
Saturday, September 10, 2022
空气弹簧高度测量作业时,需确认接触网已断电;确认止轮器已设置、受...
Saturday, September 10, 2022
CRH2A型动车组小便器检查及清洁作业时需要检查各部垫圈、软管,作用不良时更换。...
Saturday, September 10, 2022
当受电弓不能升起时,随车机械师检查3车、6车受电弓气路控制板,检...
Saturday, September 10, 2022
Saturday, September 10, 2022
15kw蓄电池充电机的任务是将400VAC,50Hz三相供电电压(由辅助变流器产生)转换为24V直流连续额定电压。...
Tuesday, March 26, 2024
CRH2型动车组由于动车组两头车采用密接车钩,其高度为()mm。A、900B、1000C、850...
Friday, May 10, 2024