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


Rear Suspension (Cylinder) - Assemble

Usage:

769D 5SS

组装步骤

表 1
所需工具 
工具  零件号  零件说明  数量 
A  1U-9900  液压油缸修复台 

  1. 检查所有 O 形密封圈和部件有无磨损或损坏。 如有必要,请更换部件。

  2. 利用所密封的润滑剂轻轻润滑所有 O 形密封圈。


    图 1g00609080

  3. 使用适当的螺丝刀将锁环 (17) 安装至油缸组件 (1) 的连杆端。

  4. 将轴承 (18) 冷却至温度为 −75 °C (−103 °F)。 将轴承 (18) 置于油缸组件 (1) 的连杆端,直到轴承 (18) 抵在锁环 (17) 上就座。

    注: 必须安装轴承 (18),使断裂板处于沿线 (Y) 的位置。

  5. 使用适当的螺丝刀将锁环 (17) 安装至油缸组件 (1) 的连杆端。

  6. 使用适当的螺丝刀将锁环 (16) 安装至油缸组件 (1) 的盖端。

  7. 将轴承 (15) 冷却至温度为 −75 °C (−103 °F)。 将轴承 (15) 置于油缸组件 (1) 的盖端,直到轴承 (15) 抵在锁环 (16) 上就座。

    注: 必须安装轴承 (15),使断裂板处于沿线 (X) 的位置。

  8. 使用适当的螺丝刀将其余锁环 (16) 安装至油缸组件 (1) 的盖端。

  9. 将密封 (12)、唇形密封 (13) 和 U 形杯密封 (14) 安装至盖 (2)。 将环 (11) 和 O 形密封圈 (10) 安装至盖 (2)。

  10. 在连杆组件 (4) 上安装盖 (2)。 将连杆组件 (4) 安装至工具 (A)。

  11. 将钢球 (8)、板 (7) 和承磨环 (9) 安装至连杆组件 (4)。

  12. 使用工具 (A) 将连杆组件 (4) 组装在油缸组件 (1) 中。 将盖 (2) 和油缸组件 (1) 对齐。

  13. 将两个盖组件、18 个螺栓 (3) 和垫圈安装至盖 (2)。

  14. 将卸压阀 (6) 和垫圈安装至盖 (2)。 将卸压阀 (6) 上紧到 50 ± 10 N·m (37 ± 7 lb ft) 的扭矩。

  15. 将两个阀组件 (5) 和 O 形密封圈安装至连杆组件 (4)。

结束:

  1. 安装后悬架(油缸)。 请参阅拆解和组装, "后悬架(油缸) - 安装"。

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