起动电机的整流子与矩形导线的接头处是用锡焊接的,使用中有时会熔化脱焊,使整流片与矩形导线接触不良,起动电机出现不转、旋转无力或烧毁整流子等故障。要修复该处脱焊,需要用功率足够大的电烙铁。 Starter motor commutator and rectangular wire connector is welded with tin, the use of sometimes melting off the solder, the rectifier and rectangular wire poor contact, the starter motor does not turn, weak rotation or burn the commutator and other failures. To repair the Department of desoldering, you need to use large enough power iron.