D6K2 Track-Type Tractor Machine Systems Caterpillar


Control Manifold (Hydraulic Fan)

Usage:

D6K2 MXK

技术规格




图 1g03026896

表 1
252-7008 控制歧管总成 的技术规格    
项目     数量     零件     技术规格说明    
2     1     211-2092 电磁阀总成     拧紧至扭矩为
25.7 ± 1.3 N·m (227.5 ± 11.5 lb in)。
拧紧 211-2093 螺母 (1) 至
6.5 ± 0.5 N·m (57.5 ± 4.4 lb in)。
标称电压应为 24 VDC。    
3     1     177-3868 单向阀总成     拧紧至扭矩为
24.6 ± 2.4 N·m (217.7 ± 21.2 lb in)。    

拆卸步骤

开始:

  1. 释放液压系统压力。
  2. 降下前底部防护罩。

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

滚热的油或液压油的压力会对人员造成伤害。

发动机停机之后,液压油的压力仍会保留在液压系统里。 对液压系统进行维修之前,如果不事先释放压力,可能会造成严重伤害。

卸下液压系统的部件或管路时,确保所有的作业机具都已降到地面上,而且液压油温度已冷。 只能在发动机停机,并且加注口盖冷却到可以用徒手触摸时才能卸下加注口盖。


  1. 请参阅操作和保养手册, "液压系统油 - 更换",以了解正确的排放和加注程序。



    图 2g03038259

  1. 断开软管组件 (1) 。 参考断开卡环以连接管接头。

  1. 断开软管组件 (2) 、 (6) 和 (7) 。

  1. 断开线束组件 (3) 。

  1. 拆下螺栓 (4) 和控制歧管(液压风扇) (5) 。



    图 3g03038318

  1. 拆下螺母 (10) 、线圈组件 (9) 和阀芯组件 (8) 。

  1. 卸下单向阀 (11) 。



    图 4g03038396

  1. 拆下 O 形密封圈 (12) 、支承环 (13) 和 O 形密封圈 (14) 。



    图 5g03038397

  1. 拆下支承环 (15) 、O 形密封圈 (16) 和 O 形密封圈 (17) 。

安装步骤

  1. 按与拆卸相反的顺序安装控制歧管(液压风扇) (5) 。

    1. 拧紧单向阀 (11) 至扭矩为 25 ± 2 N·m (221 ± 18 lb in)。

    1. 拧紧芯组件 (8) 至扭矩为 26 ± 1 N·m (230 ± 9 lb in)。

    1. 拧紧螺母 (10) 至扭矩为 6 ± 1 N·m (53 ± 9 lb ft)。

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