3408E and 3412E Engines for Caterpillar Built Machines Caterpillar


Rocker Arm and Shaft - Install

Usage:

769C 01X

安装步骤


注意

保持所有零件清洁无杂质。

杂质会造成快速磨损並縮短部件使用寿命。




    图 1g01095626

  1. 利用干净的机油润滑气门桥 (4) 顶部的耐磨垫。 安装气门桥 (4)。

  2. 安装推杆。

  3. 安装 O 形密封圈和摇臂组件 (3)。

  4. 安装缸盖螺栓 (1) 和螺栓 (2)。 此时不要拧紧螺栓 (2)。

  5. 将缸盖螺栓 (1) 上紧到 270 ± 15 N·m (199 ± 11 lb ft) 的扭矩。 将缸盖螺栓 (1) 重新上紧到 450 ± 15 N·m (332 ± 11 lb ft) 的扭矩。 将缸盖螺栓 (1) 重新上紧到 450 ± 15 N·m (332 ± 11 lb ft) 的扭矩。 将螺栓 (2) 上紧到标准扭矩值。

结束:

  1. 安装单体喷油器。 请参阅拆解和组装, "单体喷油器 - 安装"。

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