故障现象:一辆JD100,启动杆踏不下去,握住离合器则能踏下。 故障分析与排除:引起启动杆踏不下去的常见原因有启动杆卡死、活塞涨缸等。由于握紧离合器握把时,启动杆能顺利踏下,表明不存在启动杆卡死的问题,经检查也无涨缸现象。气缸盖拆下后,发现启动杆能踏下去,据此断定故障出在气缸盖内,于是复装气缸 Symptoms: a JD100, start lever can not go on, hold the clutch can tread. Failure Analysis and Elimination: Caused by the starting rod can not go down the common reasons for start-up rod stuck, such as piston cylinder. As clenched clutch grip, the start lever can be successfully stepped on, indicating that there is no start-up lever stuck problem, there is no check by the cylinder phenomenon. After removing the cylinder head and found that the starter can be stepped on, thus concluded that the fault in the cylinder head, so the cylinder refill