多极管式滑触线接通电源试行时应注意的几点事项：
Multipolar tubular sliding contact line switching power supply for some matters that should be paid attention to:
1、通电前复查全线安装情况，确认无误后，调试人员可进行入操作岗位，其他人员应撤离现场或进入安全地区。
1, review all prior to power installation, after confirmed, debugging personnel can be carried out into the operating post, other personnel should be evacuated from the scene or into the security area.
2、接通电源后，不急于开动起重机，观察静态通电是否正常，然后启动小车电机，试运行两分种，再启动大天车电机，以低速行驶，沿全线观察，应特别注意运动部分与支架、水泥柱等有无碰擦的可能性，若发现下述情况，应立即纠正：
2, after turning on the power supply, in no hurry to start the crane, observe whether the static electricity is normal, then start the car motor, two kinds of commissioning, to start the big crown motors, running at low speed, along the broad observation, should pay special attention to moving parts and the possibility of stents, such as concrete with and without scratches, if discover the following situation, should immediay correct:
a、导管有较大异动，应调整导管或修正拨叉。
A have a great move, catheters, catheter or fixed fork should be adjusted
b、导电器运行时有异常声响，应检查导轨连接点是否平坦。
B, guide electrical operation there is abnormal sound, should check flat guide rail connection point.
