776D, 777D and 777D HAA Off-Highway Trucks Machine Systems Caterpillar


Air/Hydraulic Cylinder (Front Caliper) - Disassemble

Usage:

776D AFS

拆解步骤

表 1
所需工具 
工具  零件号  零件说明  数量 
1P-1856  挡圈钳 

开始:

  1. 拆下空气/液压油缸(前钳式)。 请参阅拆解和组装, "空气/液压油缸(前钳式)- 拆卸"。


注意

在检查、保养、测试、调整及维修产品时,请小心确保盛接油液。 在打开任何舱室或拆卸任何含有油液的部件前,请准备好盛接液体用的适当容器。




    图 1g00487022

  1. 将空气/液压油缸放置在软口台钳(未显示)中。 松开螺母 (1)。

  2. 从软口台钳上拆下空气/液压油缸。 从油缸组件 (2) 上拆下油缸管 (3)。


    图 2g00487023

  3. 将油缸管 (3) 放置在软口台钳(未显示)上。 松开螺母 (6)。 从油缸管 (3) 上拆下端盖 (5)。 从油缸管 (3) 各端拆下 O 形密封圈 (7)。

  4. 从端盖 (5) 上拆下排气螺钉 (4)。


    图 3g00487024

  5. 从油缸组件 (2) 上拆下八个锁紧螺母 (8)。


    图 4g00487025

  6. 分离油缸组件 (2)。 从油缸组件 (2) 上拆下密封垫 (9)(未显示)。


    图 5g00487026

  7. 从油缸组件 (2) 上拆下通风装置 (10)。


    图 6g00487027

    ------ WARNING! ------

    拆卸固定环和弹簧时,可能会造成伤害。

    拆卸固定环时,将释放弹簧力。

    拆卸固定环时,做好固定油缸组件的准备。


  8. 用手向下推动活塞 (12) 和连杆 (17),直到动力活塞 (22) 从活塞组件 (2) 上脱离。

  9. 使用工具 (A)(未显示)拆下挡圈 (19)。 从连杆 (17) 上拆下带阀 (20) 和阀镶圈 (21) 的动力活塞 (22)。

  10. 从动力活塞 (22) 中拉出阀 (20) 和阀镶圈 (21)。 从动力活塞 (22) 上拆下唇形密封 (23)。

  11. 从连杆 (17) 上拆下弹簧 (16)。

  12. 从连杆 (17) 上拆下锁紧螺母 (11) 和活塞 (12)。

  13. 拆下活塞外圈 (13) 和活塞外圈弹簧。

  14. 从活塞 (12) 上拆下 O 形密封圈 (15) 和活塞密封件 (14)。

  15. 从油缸组件 (2) 上拆下两个方形密封件 (18)。

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