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1.377 Bolt (screw, nut, stud, spring washer, pin, ball bearing, roller bearing) is the most commonly used machine part.
螺栓（螺钉、螺帽、双头螺栓、弹簧垫圈、销、滚珠轴承、滚柱轴承）是最常用的机械零件。收藏指正
2.Remove spring cage, spring and washer. Remove bottom plug. Grasp upper and lower stem lock nut with wrench and loosen. Clean or replace any damaged or worn parts.
拆卸弹簧笼，弹簧和垫圈。拆卸底部塞。用扳手抓住上部和下部阀杆锁紧螺母并且松开。清洗或更换任何损坏或磨损部件。收藏指正
3.To replace seat disc or diaphragm loosen locknut (51) and back off adjusting screw (53), remove four bonnet screws (24) and lift off cage (3) with spring (729) and washer (61).
要更换阀座阀瓣或隔膜，则松开锁紧螺母(51)并退出调节螺丝(53)，拆卸四个阀盖螺丝（24）并将带着弹簧(729)和垫圈(61)的笼(3)。收藏指正
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