390F Excavator C18 Engine Supplement Caterpillar


Fuel Manifold (ARD) - Remove and Install

Usage:

390F HNG

拆卸步骤




    图 1g03607940

  1. 断开线束组件 (2) 。 断开软管组件 (1) 和 (3) 。

  1. 拆下螺栓 (5) ,然后拆下燃油歧管 (4) 。



    图 2g02824099

  1. 拆下适配器组件 (6) 。 拆下传感器 (7) 和 O 形密封圈。

  1. 拆下电磁阀 (8) 。

  1. 拆下盖 (10) ,然后拆下接头组件 (9) 。



    图 3g02824097

  1. 拆下螺母 (15) 、垫圈 (14) 和电磁阀 (13) 。

  1. 拆下芯组件 (12) ,然后拆下 O 形密封圈 (11) 。

安装步骤

  1. 按与拆卸相反的顺序安装燃油歧管 (4) 。

    1. 将螺母 (15) 拧紧至扭矩为 20 ± 2.5 N·m (177 ± 22 lb in)。

    1. 拧紧电磁阀 (8) 至扭矩为 50 ± 5 N·m (37 ± 4 lb ft)。

    1. 拧紧接头组件 (9) 至扭矩为 30 ± 3 N·m (22 ± 2 lb ft)。

    1. 将盖 (10) 拧紧至扭矩为 7.0 ± 2.5 N·m (62 ± 22 lb in)。

    1. 将传感器 (7) 拧紧至扭矩为 30 ± 3 N·m (22 ± 2 lb ft)。

    1. 将适配器组件 (6) 拧紧至扭矩为 17 ± 1.5 N·m (150 ± 13 lb in)。

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