324D, 325D, 326D and 329D Excavators and 329D MHPU Mobile Hydraulic Power Unit Machine Systems Caterpillar


Load Control Valve (Boom Cylinder) - Assemble

Usage:

325D L A3R

组装步骤


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 1g01219592

  1. 安装备用环 (37) 和 (42)。 从阀 (25) 安装 O 形密封圈 (38)、 (39)、 (40)、 (41) 和 (43)。


    图 2g01219520

    ------ WARNING! ------

    被弹簧力爆出的零件击中,会招致人员伤害。

    确保穿上所有必要的保护装备。

    遵照建议的程序,并使用所有建议的工具以释放弹簧力。


  2. 安装 O 形密封圈 (36)。

  3. 安装阀 (25)。

  4. 安装螺塞 (24) 和 O 形密封圈 (23)。

  5. 安装螺塞 (20) 和 O 形密封圈 (22)。

  6. 安装阀 (35)、弹簧 (34)、O 形密封圈 (33)、环 (32) 和导向器 (31)。

  7. 安装阀 (28)、弹簧 (27) 和导向器 (26)。

  8. 安置盖 (30) 并安装螺栓 (29)。

  9. 将滚珠 (21)、基座 (19)、O 形密封圈 (18)、螺塞 (17) 和螺母 (16) 安装到安全阀 (3) 中。


    图 3g01219487

    ------ WARNING! ------

    被弹簧力爆出的零件击中,会招致人员伤害。

    确保穿上所有必要的保护装备。

    遵照建议的程序,并使用所有建议的工具以释放弹簧力。


  10. 安装导板 (15) 和弹簧 (14)。

  11. 安装导向器 (13)、弹簧 (12)、垫片 (11) 和导向器 (10)。

  12. 安装 O 形密封圈 (7)。

  13. 安置盖 (9) 并安装螺栓 (8)。

  14. 将 O 形密封圈 (6) 和螺塞 (5) 安装到先导阀 (2) 中。


    图 4g01219462

  15. 将 O 形密封圈 (4) 安装到安全阀 (3) 上。

  16. 将先导阀 (2) 安置到安全阀 (3) 上。

  17. 安装螺栓 (1)。

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