非电路原因引起的故障一辆东风牌载货汽车大修后，冷车使用，启动机启动比较容易，但发动机一经磨热（正常温度范围）便难以启动，甚至无法启动。更换了新蓄电池，检修了启动机，情况仍没有明显变化，不能正常使用。通常情况下，因为发动机工作后，各部润滑良好，转动轻快... Faults caused by non-circuit After a Dongfeng truck overhaul, the use of cold cars, start the machine easier to start, but the engine once the heat (normal temperature range) will be difficult to start, or even start. Replacement of the new battery, overhaul the starter, the situation is still no significant change, can not be used normally. Under normal circumstances, because the engine after work, the Department lubricated well, turning briskly ...