259D, 279D, 289D, 299D and 299D XHP Compact Track Loaders, 257D, 277D, 287D, 297D and 297D XHP Multi Terrain Loaders and 236D, 242D, 246D, 262D, 272D and 272D XHP Skid Steer Loaders Machine Systems Caterpillar


Piston Pump - Disassemble - High Flow

Usage:

289D A9Z

拆解步骤

表 1
所需工具 
工具  零件号  零件描述  数量 
3B-6753  螺栓 
2J-3506 全高螺母 
8T-4122 硬垫圈 

开始:

  1. 卸下活塞泵。


    图 1g02835742

  1. 将活塞泵 (1) 定位到适当的工作台上。 拆下螺栓 (2),以拆下补偿器阀 (3)。


    图 2g02835756

    ------ 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。


  2. 拆下螺塞 (4)。 拆下螺塞组件 (5)、阀杆 (6)、护圈 (7)、弹簧 (8) 和 O 形密封圈 (9)。

  3. 拆下螺塞组件 (10)、阀杆 (11)、护圈 (12)、弹簧 (13) 和 O 形密封圈 (14)。


    图 3g02836897


    图 4g02836857

  4. 拆下螺栓 (15),以拆下齿轮泵 (16)。 不要拆下带 "X" 标记的螺栓。 拆下间隔套 (17)。


    图 5g02836877

  5. 拆下密封件 (18)。 拆下轴承 (19)。


    图 6g02836916

  6. 拆下 O 型密封圈 (20)。 拆下齿轮 (21)。


    图 7g02836957

  7. 拆下螺栓 (22),以拆下板 (23)。


    图 8g02836976

  8. 拆下 O 形密封圈 (24)、密封 (25) 和轴承 (26)。


    图 9g02837096

  9. 拆下螺栓 (27),以拆下缸盖 (28)。


    图 10g02837097

  10. 卸下轴承外圈 (29)。


    图 11g02837117

  11. 拆下密封件 (30)、适配器 (31)、配流盘 (32) 和轴承内圈 (33)。


    图 12g02837156

  12. 拆下垫片 (34)。


    图 13g02837120

    ------ 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。


  13. 拆下挡圈 (35) 和弹簧 (36)。 卸下柱塞缸组件 (37)。

  14. 拆下螺塞 (38)。


    图 14g02837121

  15. 将 O 形密封圈 (39) 从塞 (38) 上拆下。


    图 15g02837122

  16. 拆下控制活塞 (40)。


    图 16g02837136

  17. 拆下控制连杆 (41)。


    图 17g02837176

  18. 拆下旋转斜盘 (42)。


    图 18g02837177

  19. 拆下轴 (43)、轴承内圈 (44) 和弹簧 (45)。


    图 19g02837183

  20. 利用适当的压具将轴承内圈 (44) 从轴 (43) 上拆下。


    图 20g02837178

  21. 拆下轴承 (46) 和轴承外圈 (47)。


    图 21g02837179

  22. 拆下挡圈 (48)。 拆下唇型密封 (49)。


    图 22g02837180

  23. 拆下活塞 (50)。


    图 23g02837181

  24. 拆下轴承 (51)。


    图 24g02837182

  25. 拆下销 (52)。


    图 25g02837184


    图 26g02837185

    ------ 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。


  26. 利用适当的压具压缩挡圈 (53) 和弹簧 (54)。

  27. 拆下挡圈 (53) 和弹簧 (54)。 拆下垫圈 (55)。

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