789C Off-Highway Truck Machine Systems Caterpillar


Brake Valve (Automatic Retarder) - Disassemble

Usage:

789C 2BW

拆卸步骤

开始:

  1. 卸下自动减速器的制动阀。 有关正确的操作程序,请参考拆卸和组装, "制动阀(自动减速器)– 拆卸"部分。

注: 有关所提供的维修套件,请参考零件手册。




    图 1g00454185

  1. 如果之前没有从歧管 (7) 上卸下两个接头 (8) 和 O 形密封圈 (9) ,则卸下这些零件。

  1. 卸下压力开关 (4) 、适配器 (5) 和 O 形密封圈 (6) 。

  1. 卸下两个通气阀 (1) 、两个接头 (2) 和两个 O 形密封圈 (3) 。



    图 2g00454368



    图 3g00454405



    图 4g00454408

  1. 通过以下方式拆卸自动减速器的供油电磁阀 (A) :

    1. 卸下螺母 (11) 和电磁阀 (10) 。

    1. 从歧管 (7) 上卸下套筒组件 (12) 。

    1. 从套筒组件 (12) 上卸下 O 形密封圈 (13) 、 (14) 和 (15) 。

  1. 对自动减速器的控制电磁阀 4B (重复步骤) 。

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