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故障现象:一辆启用不久的BJ2020NJ型指挥车,一次停车后再次起动发动机时,起动机转动有力,但发动机就是不能起动。 故障检查:检查油路一切正常;打开点火开关检查点火系统工作情况,发现无低压电,按喇叭不响,且电流表不摆动。拆下点火开关,发现点火开关的4个接柱中有2上接柱连线脱落。 故障排除:把点火开关4个接线柱与线束接头固定牢靠,发动机一次起动成功,故障即告排除。
Symptom: A soon to be launched BJ2020NJ command vehicle, a stop again after starting the engine, the starter rotation powerful, but the engine can not start. Troubleshooting: check the oil all normal; open the ignition switch to check the ignition system and found no low-voltage electricity, the speaker does not ring, and the ammeter does not swing. Remove the ignition switch and found that the ignition switch 4 in the post with 2 on the column connection off. Troubleshooting: The ignition switch 4 terminals and harness connectors fixed firmly, the engine a successful start, the fault is ruled out.