一、变速箱内有异常响声 1、故障现象 三轮车正常行驶时,变速箱内的某个挡位产生异常响声或有明显的敲击声。 2、故障的原因及排除 (1)轴承或齿轮工作面磨损严重,啮合不正确,工作面点蚀或剥落、局部或多齿有折断现象、轴损坏等。此时需要更换轴承或齿轮。(2)滑动齿轮和轴、轴 First, abnormal noise in the gearbox 1. Symptom When the tricycle is running normally, a gear in the gearbox has abnormal noise or obvious percussion sound. 2, the cause of the malfunction and exclude (1) bearing or gear face serious wear and tear, meshing is not correct, pitting or peeling off the face, partial or multi-tooth broken phenomenon, such as shaft damage. At this point need to replace the bearing or gear. (2) sliding gear and shaft, shaft