【判断题】
CRH2A统型动车组一级检修作业检查齿轮箱试温纸，齐全、显示清晰、确认齿轮箱 轴承座温度不超过100℃，箱壁温度不超过90℃，显示异常的，需更换试纸，并跟踪。( ).
A. 对
B. 错
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【判断题】
CRH2A统型动车组一级检修密接车钩外观状态良好，车钩连线状态良好；各安装螺栓 无松动，防松标记清晰无错位；解构杆处于关闭位置，弹簧连接状态正常，无变形。( ).
A. 对
B. 错
【判断题】
CRH2A统型动车组一级检修升弓供电前须与各号位人员联控确认，并得到调度允许 。（通过对讲机呼叫：XX道XX车组，准备升弓供电，请车下人员注意安全）。( ).
A. 对
B. 错
【判断题】
CRH2A统型动车组一 级检修雨刮器试验。1号操作雨刮器动作，确认雨刮器动作无卡滞、打滑，雨刮水喷淋正常，橡胶无破损；2号位在头车前方对试验过程进行确认。( ).
A. 对
B. 错
【判断题】
CRH2A统型动车组一级检修作业中辅助1号位负责车组放电。升弓闭合VCB，查看【供电分类】界面，确认1、2单元ACK2均已闭合，持续 2分钟。放电 完成后，降弓断电，使用对讲机通知检查1号，动车组已放电完毕。( ) .
A. 对
B. 错
【判断题】
CRH2A统型动车组一级检修 作业中，检查齿轮箱试温纸，齐全、显示清晰、确认齿轮箱轴承座温度不超过100℃，箱壁温度不超过90℃ ，显示异常的，需更换试纸，并跟踪。( ).
A. 对
B. 错
【判断题】
CRH2A统型动车组一级修 ，受电弓专项检查时,目视检查升弓装置气囊;无裂纹、破损现象。当气囊存在龟裂深度达到或超过1.2 mm ，或龟裂长度达到或超过25mm的单个龟裂，或可见内部的编织层时，更换气囊。（ ）.
A. 对
B. 错
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