求翻译：进行维修检查或者更换轴承时必须将轴卸下，拆卸轴之前必须先拆卸许多其他配件，所以首先按照上述的方法，分别卸去旋翼体，筛鼓，机械密封盒及大的三角带轮，然后再拆卸轴承座。是什么意思？

Axis must be removed when maintenance or replacement of bearings, removing axis must be demolished before many other accessories, so first of all, in accordance with the above method, unload respectively of rotor, Sieve drum, mechanical seal boxes and large triangular belt pulley and then disassembling bearing seat.