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


Service Brake (Front Caliper) - Assemble

Usage:

776D AFS

组装步骤

表 1
所需工具 
工具  零件号  零件说明  数量 
5P-3569  制动器系统活塞压具 
1P-0520  起子总成 

  1. 安装之前先核实制动钳的所有部件清洁无异物。

  2. 检查所有部件有无磨损或损坏。 如有必要,请更换部件。


    图 1g00481404

  3. 将六个密封件 (1) 和六个环 (2) 安装到前钳式行车制动器的孔中。 使用清洁的液压油润滑密封件 (1) 和环 (2)。


    图 2g00481405

  4. 将三个罩 (3) 安装到前钳式行车制动器的孔中。 使用清洁的液压油润滑罩 (3)。


    图 3g00481406


    注意

    将活塞安装到罩中时要小心操作。 确保罩位于活塞周围的槽种。


  5. 使用清洁的液压油润滑活塞 (4) 的外侧。 使用黄铜冲头将三个活塞 (4) 安装到前钳式行车制动器的孔中。


    图 4g00481407

  6. 将三个罩 (5) 安装到制动钳行车制动器的孔中。 使用清洁的液压油润滑罩 (5)。


    图 5g00481409


    注意

    将活塞安装到罩中时要小心操作。 确保罩位于活塞周围的槽种。


  7. 使用清洁的液压油润滑活塞 (6) 的外侧。 使用工具 (A) 将活塞 (6) 安装到前钳式行车制动器中。


    图 6g00481411

  8. 松开工具 (A) 并插入工具 (B)。 继续推动活塞 (6) 至前钳式行车制动器的适当位置。 对于其余两个活塞,重复本步骤。


    图 7g00481412


    图 8g00481413

  9. 将三个密封件 (7) 安装到前钳式行车制动器的孔中。 使用液压油润滑密封件 (7) 和螺塞 (8)。 使用软面锤将三个螺塞 (8) 安装到前钳式行车制动器中。


    图 9g00481414

  10. 安装盖 (9)、八个螺栓 (10) 和硬垫圈。 拧紧螺栓 (10) 至扭矩为 510.1 ± 6.8 N·m (376.2 ± 5.0 lb ft)


    图 10g00481415

  11. 将两个制动器衬垫组件 (13) 安装到前钳式行车制动器中。 将两个销 (12) 安装到前钳式行车制动器中。 此时用手拧紧螺栓 (11)。

结束:

  1. 安装前钳式行车制动器。 请参阅拆解和组装, "行车制动器(前钳式)- 安装"。

Caterpillar Information System:

776D, 777D and 777D HAA Off-Highway Trucks Machine Systems Service Brake (Front Caliper) - Disassemble
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