3408E and 3412E Engines for Caterpillar Built Machines Caterpillar


Unit Injector

Usage:

769C 01X



图 1g01446870

(1) 用清洁的发动机机油稍微润滑 O 形密封圈和孔。




图 2g01677553

A-A 视图




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喷油器弯头螺栓的拧紧顺序

使用以下步骤拧紧螺栓。

  1. 将螺栓 1 和 2 拧紧至 5 ± 3 N·m (44 ± 27 lb in)。

  1. 将螺栓 3 和 4 拧紧至 47 ± 9 N·m (35 ± 7 lb ft)。

  1. 再次将螺栓 1 和 2拧紧至 47 ± 9 N·m (35 ± 7 lb ft)。
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