C4.2 and C6.4 Engines for Caterpillar Built Machines Caterpillar


Fuel Injection Pump

Usage:

319D L AYF



图 1g01620378

(1) 螺母扭矩 ... 70 ± 5 N·m (50 ± 4 lb ft)

(2) 2 只螺塞的扭矩 ... 60 ± 6 N·m (44 ± 4 lb ft)

(3) 螺塞的扭矩 ... 24 ± 2 N·m (18 ± 1 lb ft)

(4) 使用以下步骤拧紧螺栓:

  1. 将螺栓拧紧至 5 N·m (45 lb in)。

  1. 将螺栓转动 26 ± 1 度。

  1. 螺栓的最终扭矩必须为 12 ± 2 N·m (105 ± 18 lb in)。

(5) 组装前,使用要密封的润滑剂润滑两个密封件。




图 2g01620371

(6) 两只螺塞的扭矩 ... 40 ± 3 N·m (30 ± 2 lb ft)

(7) 螺栓的扭矩 ... 12 ± 3 N·m (105 ± 27 lb in)

注: 组装前,使用要密封的润滑剂润滑螺栓 (8) 螺纹。

(8) 螺栓的扭矩 ... 9 ± 1 N·m (80 ± 9 lb in)

(9) 五条螺栓的扭矩 ... 30 ± 2 N·m (22 ± 1 lb ft)

(10) 采用以下步骤拧紧 4 个螺栓:

  1. 将螺栓拧紧至 5 N·m (45 lb in)。

  1. 将螺栓转动 28 ± 1 度。

  1. 螺栓的最终扭矩必须为 12 ± 2 N·m (105 ± 18 lb in)。



图 3g01620369

(11) 接头扭矩 ... 25.0 ± 2.5 N·m (18 ± 2 lb ft)

(12) 接头扭矩 ... 25.0 ± 2.5 N·m (18 ± 2 lb ft)

(13) 接头扭矩 ... 25.0 ± 2.5 N·m (18 ± 2 lb ft)

(14) 接头的扭矩 ... 25.0 ± 2.5 N·m (18 ± 2 lb ft)

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