303E CR, 303.5E, 304E, 305.5E and 305E Mini Hydraulic Excavators Machine Systems Caterpillar


Main Control Valve - Install

Usage:

303E CR CR7

安装步骤

表 1
所需工具 
工具  零件号  零件描述  数量 
138-7575  连杆支架 


    图 1g02849006

  1. 将支架 (20) 安装到主控制阀 (17) 上。 安装螺栓 (19)。


    图 2g02848998

  2. 将适当的起吊设备连接到主控制阀 (17)。 主控制阀 (17) 的重量约为 80 kg (175 lb)。 安装主控制阀 (17) 和螺栓 (18)。


    图 3g02848992

  3. 连接软管组件 (16)。


    图 4g02848983

  4. 连接软管组件 (13) 和 (15)。 连接管 (14)。


    图 5g02848968

  5. 连接软管组件 (11) 和软管组件 (12)。


    图 6g02848954

  6. 连接软管组件 (5)、 (6)、 (7)、 (8) 和 (9)。 连接配线线束 (10)。


    图 7g02848926

  7. 安装燃油注油泵支架,然后安装螺栓 (4)。


    图 8g02848914

  8. 定位空气滤清器壳体组件 (2) 并安装螺栓 (1)。 拧紧卡箍 (3)。

  9. 向液压油箱注油。 请参阅操作和保养手册, "液压系统机油 - 更换"。

结束:

  1. 安装发动机罩。

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