3524B and C175 Engines for Off-Highway Truck/Tractors Caterpillar


Fuel Injector

Usage:

797 5YW



图 1g01560135

喷油器和高压管路部件的专门说明

  1. 松开连接燃油管路和燃油油轨的螺栓 (3) 。

  1. 拆解前,将清洁的发动机机油涂抹在管接头套环上。

  1. 拆下燃油管路 (2) 。

  1. 安装喷油器 (4) 。

  1. 将螺栓 (1) 拧紧至扭矩 30 至 50 N·m (22 至 38 lb ft)。

  1. 拆卸喷油器的螺栓。

    注: 1P-0808 多功能润滑脂 润滑 O 形密封圈的孔。

    注: 组装前,用清洁的发动机机油润滑燃油管路两端。

  1. 将燃油管路组装到缸盖和油轨 (5) 内,使燃油管路的两端不与发动机零件接触。

  1. 用手将螺栓拧紧至缸盖并拧紧油轨的螺栓。

  1. 拧紧喷油器螺栓至扭矩为 10 N·m (7 lb ft)。

  1. 将螺栓均衡地拧紧至缸盖和油轨,扭矩为 20 N·m (15 lb ft)。 拧紧螺栓时,每个螺栓不应一次转动 90 度以上。

  1. 将螺栓 (1) 拧紧至扭矩为 100 ± 20 N·m (75 lb ft)。

  1. 再次将螺栓均衡地拧紧至缸盖和油轨,扭矩为 40 N·m (5 lb ft)。 拧紧螺栓时,每个螺栓不应一次转动 45 度以上。

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