二、机车启动、运行及调速(一)启车前的准备工作1.闭合接地闸刀;2.换向手柄置于需要位置(前牵、前制、后牵、后制);[注:当换向手柄从“中立”位拨向所需位置时,司机主控制手柄必须在“零”位上,因为该两个手柄有“联锁”关系。]3.确认油、水温度以及各仪表的显示,看是否符合要求,全部符合才可启车; Second, the locomotive start, run and speed (a) preparation before departure 1. Close the grounding knife; 2. Reversed handle placed in the desired location (before the lead, after the system, after the system); : When the reversing handle is shifted from the “neutral” position to the desired position, the main control handle of the driver must be in the “zero” position because the two handles are “interlocked”. ] 3 to confirm the oil, water temperature and the display of the instrument to see if it meets the requirements, all in order to start;