我部大修过的装载机虽然机型与生产厂家各不相同，但其变速器前、后输出轴都不同程度地存在着渗漏油现象。为了彻底排除故障根源，我们拆检了变速器，经仔细检查，发现油液渗漏的原因大致有以下３方面。 １．油封本身损坏造成的漏油 如油封本身质量不合格，起不到密封的作用；? Although the loaders overhauled by our department have different models and manufacturers, the leakage of oil in the front and rear output shafts of the transmission exists to varying degrees. In order to completely eliminate the root cause of the malfunction, we dismantle the transmission, after careful examination, found that the causes of oil leakage generally have the following three aspects. 1. Oil seal itself caused by oil spills, such as the quality of the oil seal itself failed to play a role in sealing;