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(1)一台东方红-180型小四轮拖拉机在行驶过程中,变速箱出现“咯噔、咯噔”的响声,特别是在凸凹不平的路面上行驶,响声更厉害,而且有时还脱挡(在高速挡时更是如此)。打开变速箱检查发现,原来是右侧半轴齿轮(从后向前看)的两个齿断掉半截。分析造成这种现象的原因是,右侧半轴齿轮靠近齿轮箱体这边少安装一个止推垫(此垫系铜制品或橡胶制
(1) a Dongfanghong-180 small four-wheel tractor during driving, the gearbox “slightly, slightly ” sound, especially in the bumpy road, the sound is more powerful, and sometimes take off Block (especially in high gear). Open the gearbox inspection found that the original is the right side gear (from the rear to the front of the two teeth off half. Analysis of the reasons for this phenomenon is that the right side of the gear near the side of the gear box to install a less thrust pad (the pads of copper or rubber