385B and 5090B Excavators Excavator Systems Caterpillar


Gear Pump (Pilot) - Disassemble

Usage:

385B ANS

拆解步骤

表 1
所需工具    
工具     零件号     零件说明     数量    
A     1P-1856     钳     1    
B     1P-0510     起子总成     1    

开始:

  1. 拆下齿轮泵。 请参阅拆解和组装, "齿轮泵(先导)- 拆卸"。

注: 清洁度是一项重要的因素。 拆解步骤开始之前,应彻底清洁部件外部。 这有助于防止尘土进入内部结构。

注: 拆解前,在泵的所有部分作识别标记。 泵必须按同样的配置组装。


注意

在检验、保养、测试、调整及维修发动机时,请小心确保盛接流出的液体。 在打开或拆解任何储有液体的部件之前,要准备好合适的容器收集液体。

有关适合收集和盛接卡特彼勒产品上的液体的工具和供应品,请参阅专门出版物, NENG2500, "卡特彼勒代理商工具目录"。

按照本地法规和条例处置所有液体。





    图 1g00842585

  1. 从法兰 (2) 上卸下 O 形密封圈 (1) 。



    图 2g00842674

  1. 拆下螺栓 (3) 。



    图 3g00842678

  1. 将法兰 (2) 从泵体 (4) 分离。



    图 4g00842799

  1. 将两件式密封组件 (5) 从法兰 (2) 端面拆下。



    图 5g00842857

  1. 使用工具 (A) ,从法兰 (2) 上卸下挡圈 (6) 。



    图 6g01298301

  1. 使用工具 (B) 从法兰 (2) 上拆下密封件 (7) 。



    图 7g00842978

  1. 从泵体 (4) 上拆下压力板 (8) 。



    图 8g00842995

  1. 从泵体 (4) 上拆下齿轮 (9) 和 (10) 。



    图 9g00843254

  1. 从泵壳体组件 (11) 上拆卸泵体 (4) 。



    图 10g00843005

  1. 如有必要,从泵体 (4) 上拆下销 (12) 。



    图 11g00843144



    图 12g00843229

  1. 从泵体 (4) 上拆下压力板 (13) 。

    注: 压力板 (8) 和 (13) 的凹槽部分朝向齿轮。




    图 13g00843263

  1. 将两件式密封组件 (14) 从泵壳体组件 (11) 上拆下。

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