农业机械经常露天作业 ,遭风吹雨淋日晒 ,螺母和螺栓因而易生锈咬死 ,不易拆卸。有没有什么解决办法呢 ?我们在拆卸锈死的螺母时 ,一般可采用下述方法 :(1)先将螺母拧进 1/ 4～ 1/ 2圈 ,然后退出 ,再拧进 ,再退出 ,反复几次 ,即可逐渐拧出。(2 )若螺母拧不动 ,可用手锤在螺母的 Agricultural machinery often open-air operations, was the sun and wind, nuts and bolts so easy to rust bite, not easy to disassemble. Is there any solution? When we remove the rusty nut, the general method can be used as follows: (1) first nut into 1/4 to 1/2 laps, and then exit, then screwed in, and then exit, Repeated several times, you can gradually screw out. (2) If the nut can not be fixed, you can use hand hammer to the nut