某东风汽车经大修,在使用中经常出现烧白金的现象。虽经多次检修,更换了容电器、调节器和发电机,但故障仍未排除。 最后经检查发现:原来该车在大修中,错装了附加电阻线(用普通导线代替),致使低压电流过大,点火线圈发热,触点烧 A Dongfeng Motor overhaul, often appear in the use of platinum burning phenomenon. Despite repeated maintenance, the replacement of electrical appliances, regulators and generators, but the fault has not been ruled out. Finally, the inspection found that: the original car overhaul, the wrong installed additional resistance line (with ordinary wire instead), resulting in low-voltage current is too large, ignition coil fever, contact burning