水泵拆装注意什么?

2025年04月03日 08:32
有2个网友回答
网友(1):

(1)拖力要持续到应有的程度,螺杆泵例如在安装轴承时要在轴承刚好装到正确位置时停止施力,保证套圈(垫圈)的端面抵靠座孔或轴的挡肩端面,既不能挤得太紧,又不能装不到位。
(2)施力的合力尽可能通过无油轴承的轴线,塑料泵这就要求施力点均匀对称而平稳,通过球面或平行于轴线施力。
(3)避免通过滚动体施力,隔膜泵这就要求装拆内圈(轴圈)时通过内圈施力,装拆外圈时)通过外圈施力。
(4)施力的大小宜平稳均匀,不宜有冲击,自吸泵这就要求采用油压或用能施加平稳拉力或压力的工具,实在不得不采用锤击时,也要通过铜套筒等较软而不落屑金属加以缓冲,敲击力尽可能轻缓。最好使用铜棒或铜锤进行锤击。

网友(2):

1)拆卸时,打开散热器和汽缸体堵塞放掉冷却液。

(2)拆除正时皮带室上盖、中盖,用定位杆固定发动机运动件的位置,拧松张紧轮的螺母,脱开正时皮带。

(3)将发动机支架、水泵软管、膨胀水箱依次拆除,最后拆除水泵的固定螺栓,取下水泵。安装时应把水封环、水封弹簧、水封及水封密封圈用螺栓压紧后,水泵轴应能灵活转动、无卡住现象。

(4)安装时先检查是否装有水泵定位环,更换新密封垫,将水泵定位,拧紧螺栓,上部螺栓的拧紧力矩为30N·m,下部螺栓的拧紧力矩为50N·m。

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