Remove nuts, U-bolts and spring bracket from axle.

由车轴拆下螺帽，U型螺栓和弹簧支架。

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When the U-shaped bent loop is broken, the nuts under the sleeper can be screwed off and a new U-shaped bent loop can be assembled for restoring use.

当“U”形弯环断裂时，可将轨枕下面螺帽旋下，换上新的“U”形弯 环，即可恢复使用。

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When the U-shaped bent loop is broken, the nuts under the sleeper can be screwed off and a new U-shaped bent loop can be assembled for restoring use.

当“U”形弯环断裂时，可将轨枕下面螺帽旋下，换上新的“U”形弯 环，即可恢复使用。

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