345D, 349D and 349D2 Excavators and 345D MHPU and 349D MHPU Mobile Hydraulic Power Units Machine Systems Caterpillar


Check Valve (Cooler Bypass) - Remove and Install

Usage:

345D L BYC

拆卸步骤

开始:

  1. 拆下单向阀(慢速回转)。 请参阅拆解和组装, "单向阀(慢速回转)- 拆卸和安装"。


注意

保持所有零件清洁无杂质。

液压系统被异物污染会缩短液压系统部件的使用寿命。

为了避免污染物进入液压系统,总要在断开后塞住或盖住管路、管接头或软管。 罩住已解体的部件,然后在组装前正确清洁它们。

在更换任何主部件后,或特别是在部件故障后,正确清洁液压系统,以便去除全部污染物。





    图 1g01762257

  1. 拆下螺栓 (1) 、盖 (2) 和 O 形密封圈。



    图 2g01762258

  1. 卸下单向阀组件 (3) 。

安装步骤




    图 3g01762258

  1. 安装单向阀组件 (3) 。 拧紧单向阀组件 (3) 至扭矩为 35 ± 4 N·m (26 ± 3 lb ft)。



    图 4g01762257

  1. 安装 O 形密封圈、盖 (2) 和螺栓 (1) 。

End By: 安装单向阀(慢速回转)。 请参阅 拆解和组装, "单向阀(慢速回转)- 拆卸和安装"。

Caterpillar Information System:

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