345D and 349D Excavators C13 Engine Supplement Caterpillar


Fan - Remove

Usage:

345D L BYC

拆卸步骤

表 1
所需工具    
工具     零件号     零件说明     数量    
A     140-7742     套筒     1    

开始:

  1. 释放液压系统压力。 请参阅拆解和组装, "液压系统压力 - 释放"。

注: 为便于安装,在所有管路、软管、导线及管上做出识别标记。 插接好所有线路、软管和管路。 这将有助于防止液体泄漏和有助于防止机油系统污染。

  1. 从冷却系统将发动机冷却液排入合适的容器,进行以便保存或弃置。 请参阅操作和保养手册, "冷却系统冷却(ELC)- 更换"。

  1. 将液压油排入适当的容器以便保存或处理。 请参阅操作和保养手册, "加注容量"。



    图 1g01708314

  1. 卸下挡板 (1) 。



    图 2g01708316

  1. 打开左侧的前检测门,找到螺栓 (2) 。 卸下螺栓 (2) 。 打开检修门 (3) 。



    图 3g01708317

  1. 将合适的起吊设备连接到发动机罩组件 (4) 上。 发动机罩组件 (4) 的重量约为 68 kg (150 lb)。 卸下螺栓 (5) 。 拆下发动机罩组件 (4) 。



    图 4g01708320

  1. 拆下支承 (9) 。 断开软管 (7) 和 (8) 。 将软管 (8) 从风扇组件 (10) 上断开。 拆卸管 (6) 和 (11) 。



    图 5g01708324

  1. 将管 (12) 作为一个整体进行拆卸。



    图 6g01708327

  1. 拆下盖 (13) 。 断开软管组件 (14) 。



    图 7g01708329

  1. 卸下支架 (15) 。



    图 8g01708331

  1. 拆下支架 (16) 。 对另一侧重复此操作。



    图 9g01708334

  1. 拆下螺栓 (17) 和风扇组件 (10) 。



    图 10g01708335



    图 11g01708336

  1. 将工具 (A) 和适当的起吊设备固定到风扇组件 (10) 上。 风扇组件 (10) 的重量约为 159 kg (350 lb)。

  1. 拆下螺栓 (18) 。 对另一侧重复此操作。

  1. 拆下风扇组件 (10) 。



    图 12g01708338

  1. 拆下罩 (19) 。



    图 13g01708339

  1. 将工具 (A) 和合适的起吊设备连接到十字轴组件 (20) 。 十字轴组件 (20) 的重量大约为 45 kg (100 lb)。

  1. 拆下螺栓 (21) 和十字轴组件 (20) 。

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