农机维修时，常进行拆卸和安装，而农机的类型、牌号很多，构造不一，若乱拆硬装，就容易损坏农机。因此，在拆卸和安装时，应严格按规程进行。一、拆卸1．应按农机构造的不同，预先考虑好操作程序，以免先后倒置。2．拆卸时，应从外到内、从上到下地进行。3操作时应使用专用工 Agricultural machinery maintenance, often for disassembly and installation, and the type of agricultural machinery, many brands, different structures, if the disassembled hardcover, it is easy to damage agricultural machinery. Therefore, in the demolition and installation, should be strictly in accordance with the rules. First, the demolition 1. Should be based on the construction of different agricultural institutions, pre-considered good operating procedures, so as not to have inverted. 2. Disassembly, from outside to inside, from top to bottom. 3 operation should use special workers