797F and 797F XQ Off-Highway Trucks Machine Systems Caterpillar


Piston Motor (Brake Cooling) - Disassemble

Usage:

797F LAJ

拆解步骤

表 1
所需工具    
工具     零件号     零件描述     数量    
A     -     螺杆 (M5 x 0.8) (2)     1    
5C-2874 螺母     1    
4B-4274 垫圈     1    
B     1P-1861     挡圈钳     1    
C     1U-6344     螺杆     2    
139-6366 螺母     8    
5P-8247 硬垫圈     8    
126-7176 顶出螺钉     1    
8T-9139 齿座     1    
1U-9895 十字挡块     1    
3H-0465 推拉工具盘     4    
6B-6683 螺母     1    
5P-8247 硬垫圈     1    
D     1P-1860     挡圈钳     1    
E     8H-0663     轴承拉拔器总成     1    
( 2 ) 切割长度至 75 mm (3 in)

开始:

  1. 拆下活塞马达。



    图 1g02126548

  1. 将传感器 (1) 和弯头 (2) 从壳体 (3) 上拆下。



    图 2g02126571

  1. 将螺栓 (4) 和缸盖 (5) 从壳体 (3) 上拆下。



    图 3g02142228

  1. 拆下 O 形密封圈 (6) 和板 (7) 。



    图 4g02140683

  1. 将工具 (A) 安装到活塞筒 (8) 中。



    图 5g02126590

  1. 使用工具 (B) 拆下挡圈 (9) 。



    图 6g02126600

  1. 将工具 (C) 安装到壳体 (3) 和旋转总成 (10) 上。



    图 7g02126683

  1. 使用工具 (C) ,以便拉拔出旋转总成 (10) 、盖 (11) 、O 形密封圈 (12) 和垫片 (13) 。



    图 8g02126690

  1. 将密封件 (14) 从盖 (11) 上拆下。



    图 9g02140734

    ------ 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。


  1. 将工具 (A) 从活塞筒 (8) 上拆下。 将活塞筒 (8) 从活塞 (15) 上拆下。

    注: 为了便于安装,请标记活塞 (15) 的位置。




    图 10g02141632

  1. 将弹簧 (16) 和垫片 (17) 从活塞筒组件 (8 ) 上拆下。



    图 11g02141638

  1. 将螺钉 (18) 从轴 (20) 上拆下。

    注: 必须加热轴 (20) 以便拆下螺栓 (18) 。

  1. 将板 (19) 和活塞 (15) 从轴上拆下。



    图 12g02141766

  1. 将中心销 (21) 和活塞 (15) 从板 (19) 上拆下。 活塞环不能从活塞分离进行单独维修。



    图 13g02141693

  1. 使用工具 (D) 将挡圈 (22) 从轴 (20) 上拆下。



    图 14g02141695

  1. 使用适当的压具和工具 (E) ,以便将轴承 (23) 从轴 (20) 上拆下。 轴承只能作为一个套件进行维修,以保持正常的轴承预负载。

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