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).
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)。