953K Track-Type Loader Power Train Caterpillar


Piston Pump (Hydrostatic) - Remove and Install

Usage:

953K JNR

拆卸步骤

开始:

  1. 拆下活塞泵(机具)。

  2. 拆下底部护罩。

------ 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。




    图 1g06028480

  1. 断开软管组件 (1)、 (3) 和 (4)。 拆下夹子 (2)。


    图 2g06028514

  2. 断开软管组件 (5) 和线束组件 (6)。 拆下夹子 (7) 和 (8)。 远离泵放置软管。


    图 3g06028548

  3. 断开软管组件 (9) 和 (10)。


    图 4g06028563

  4. 断开软管 (11) 和软管组件 (13)。 拆下接头 (12)。


    图 5g06028573

  5. 将 5 个软管组件 (14) 从活塞泵(静液压)上断开。


    图 6g06028599

  6. 将软管组件 (15) 从活塞泵(静液压)的底部断开。


    图 7g06028603
    为便于拍照,已拆下驾驶室。

  7. 从机器下方支撑发动机。 发动机的重量约为 823 kg (1815 lb)

  8. 将适当的起吊设备连接到活塞泵组件(静液压) (16) 上。 活塞泵组件(静液压) (16) 的重量约为 224 kg (494 lb)


    图 8g06135606

  9. 拆下螺栓 (17)、 (18)、 (19) 和 (20)。

  10. 拆下 12 个螺栓 (21) 和活塞泵组件(静液压) (16)。

安装步骤

  1. 按与拆卸相反的顺序安装活塞泵组件(静液压) (16)。

    1. 拧紧螺栓 (19) 和 (20) 至扭矩为 950 ± 50 N·m (701 ± 37 lb ft)

Caterpillar Information System:

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