论文部分内容阅读
在起重机调试现场，笔者曾遇到一起Ｋ５０３型日本三菱起重机底盘接通启动钥匙开关以后，发动机不能启动而起动机空转的故障。其电源、起动部分电气原理如图１、图２所示。正常情况下，启动时接通电源开关，启动蓄电池继电器，此时全车有电。然后将启动钥匙开关打到启动位置，
In the crane commissioning scene, I have encountered a K503-type Mitsubishi crane chassis connected to start the key switch, the engine can not start and the starter idling fault. The power supply, starting part of the electrical principle shown in Figure 1, Figure 2. Under normal circumstances, start the power switch is turned on, start the battery relay, then the whole car has electricity. Then start the key switch hit the start position,