69D and 769D Off-Highway Trucks and 771D Quarry Truck Machine Systems Caterpillar


Hydraulic Tank (Hoist and Brake) - Disassemble

Usage:

769D 5SS

拆解步骤

表 1
所需工具 
工具  零件号  零件说明  数量 
A  1P-1861  挡圈钳 

开始:

  1. 拆下液压油箱(举倾机构和制动器)。 请参阅拆解和组装, "液压油箱(举倾机构和制动器)- 拆卸"。


    图 1g00546437

  1. 拆下螺栓 (2),然后将盖从液压油箱 (1) 上拆下。


    图 2g00546485

  2. 松开软管卡箍 (3),然后将通气管 (4) 从液压油箱 (1) 上拆下。


    图 3g00546491

  3. 拆下螺栓 (5),然后将锁紧螺母从液压油箱 (1) 上拆下。 由两名人员将液压油箱的两部分分离。


    图 4g00546499


    图 5g00546502

  4. 从液压油箱 (1) 上拆下锁紧螺栓 (6)。

  5. 安装挡圈 (7)、两个 O 形密封圈 (8) 和玻璃 (9)。

  6. 拆下护孔环 (10) 和板 (11)。


    图 6g00546559

  7. 拆下挡圈 (13) 和粗滤器组件。

  8. 从液压油箱 (1) 上拆下锁紧螺栓 (12)。


    图 7g00546577

  9. 拆下挡圈 (14)、四个 O 形密封圈 (15) 和观察窗 (16)。

  10. 拆下护孔环 (17) 和举倾机构油箱板 (18)。


    图 8g00546580

  11. 将排放螺塞 (22) 和 O 形密封圈从排放阀体 (24) 上拆下。

  12. 拆下将排放阀体 (24) 固定至液压油箱 (1) 的锁紧螺母 (23)。

  13. 将排放阀体 (24)、矩形密封、阀、弹簧和气门导杆从液压油箱 (1) 上拆下。

  14. 从液压油箱 (1) 清除密封剂 (25)。

  15. 将螺栓 (19)、管组件 (20) 和密封垫 (21)(图中未显示)从液压油箱 (1) 上拆下。


    图 9g00546608


    图 10g00546611

  16. 将螺栓 (26)、盖 (34) 和 O 形密封圈 (33) 从液压油箱 (1) 上拆下。

  17. 从液压油箱 (1) 拆下滤网组件 (32)。

    ------ 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。


  18. 手动按下阀座 (30),然后使用工具 (A)(图中未显示)拆卸挡圈 (31)。

  19. 将阀座 (30)、阀 (29)、外弹簧 (28) 和弹簧 (27) 从液压油箱 (1) 上拆下。

  20. 拆下螺栓 (36)、管组件 (37) 和 O 形密封圈 (35)。

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