启动机主触点厚度不同引起的故障一辆五十铃牌ＮＨＲ轻型载货汽车，启动时只听到电磁开关的吸拉声，启动机不转，检查蓄电池，存电充足。拆下启动机检查，发现两上触点烧蚀。用砂纸将触点打磨光滑后装复，故障依旧。又拆下检修，经对电磁开关解体，原来是开关两触点厚度不... Starter main contact thickness caused by different failures A Isuzu brand NHR light truck, start listening to the electromagnetic switch suck pull sound, the starter does not turn, check the battery, save enough. Remove the starter check and found that the contact ablation on both. Smooth the contacts with sandpaper after loading complex, the fault still. Also remove the overhaul, after the disassembly of the electromagnetic switch, the original thickness of the switch is not two contacts ...