力士樂 泵 電磁閥力士樂 泵 電磁閥

(1)不能裝錯(cuò)方向和破壞唇邊。唇邊若有50μm以上的傷痕，就可能導(dǎo)致明顯的漏油。

(2)防止強(qiáng)制安裝。不能用錘子敲入，而要用專用工具先將密封圈壓入座孔內(nèi)，再用簡(jiǎn)單圓筒保護(hù)唇邊通過花鍵部位。安裝前，要在唇部涂抹些潤(rùn)滑油，以便于安裝并防止初期運(yùn)轉(zhuǎn)時(shí)燒傷，要注意清潔。

(3)防止超期使用。動(dòng)密封的橡膠密封件使用期一般為3000～5000h，應(yīng)該及時(shí)更換新的密封圈。

(4)更換密封圈的尺寸要一致。要嚴(yán)格按照說明書要求，選用相同尺寸的密封圈，否則不能保證壓緊度等要求。

(5)避免使用舊密封圈。使用新密封圈時(shí)，也要仔細(xì)檢查其表面質(zhì)量，確定無(wú)小孔、凸起物、裂痕和凹槽等缺陷并有足夠彈性后再使用。

(6)安裝時(shí)，應(yīng)先嚴(yán)格清洗打開的液壓系統(tǒng)各部位,*好使用專用工具，以防金屬銳邊將手指劃傷。

(7)更換密封圈時(shí)，要嚴(yán)格檢查密封圈溝槽，清除污物，打磨溝槽底。

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