966M Tier 4 and 972M Tier 4 Wheel Loaders Power Train Caterpillar


Modulating Valve (Torque Converter Lockup Clutch) - Remove and Install

Usage:

972M A78

拆卸步骤

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

热油喷出会导致人身伤害。

在移开任何部件或管路前,确保所有附件都已降下、机油冷却并且已释放液压系统的压力。

在从附件上断开管路前,确保管道中没有压力。

热油或热的部件不要与皮肤接触。




    图 1g03384531

  1. 断开线束组件 (1)。

  2. 拆下螺栓 (2 )。

  3. 拆下调节阀 (3)。


    图 2g03384553

  4. 将密封件 (6)、板 (5) 和密封件 (4) 从调节阀 (3) 上拆下。


    图 3g03384544

  5. 拆下螺母 (7) 和线圈组件 (8)。


    图 4g03384547

    ------ 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。


  6. 将阀芯组件 (9) 从调节阀 (3) 上拆下。


    图 5g03384551

  7. 将 O 形密封圈 (10) 从阀芯组件 (9) 上拆下。


    图 6g03384578

  8. 将滑阀组件 (11) 和弹簧 (12) 从调节阀 (3) 上拆下。

安装步骤

  1. 按与拆卸相反的顺序安装调节阀 (3)。

    1. 将阀芯组件 (9) 拧紧至扭矩 50 ± 5 N·m (37 ± 4 lb ft)

    2. 拧紧螺母 (7) 至扭矩 13 ± 1.5 N·m (115 ± 13 lb in)

    3. 拧紧螺栓 (2) 至扭矩 30 ± 4 N·m (22 ± 3 lb ft)

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