C6.6 Engines for Caterpillar Built Machines Caterpillar


Cylinder Block

Usage:

CS-56B 437



图 1g01333870

缸体

(1) 缸体

(2) 缸径 ... 105.000 至 105.025 mm (4.1338 至 4.1348 in)

缸径最大允许磨损量 ... 0.15 mm (0.0059 in)

(3) 凸轮轴轴承

1 号凸轮轴轴承在缸体中的衬套的直径 ... 55.563 至 55.593 mm (2.1875 至 2.1887 in)
2 号凸轮轴轴颈在缸体中的孔的直径 ... 50.546 至 50.597 mm (1.9900 至 1.9920 in)
3 号凸轮轴轴颈在缸体中的孔的直径 ... 50.292 至 50.343 mm (1.9800 至 1.9820 in)
4 号凸轮轴轴颈在缸体中的孔的直径 ... 50.038 至 50.089 mm (1.9700 至 1.9720 in)

(4) 主轴承

缸体中的主轴承孔的直径 ... 88.246 至 88.272 mm (3.4742 至 3.4753 in)

(5) 主轴承盖螺栓

采用以下步骤安装主轴承盖螺栓:

  1. 在主轴承盖螺栓的螺纹上涂上清洁的发动机机油。

  1. 将主轴承盖放置在主轴承盖顶部号码指示的正确位置。 安装主轴承盖时凸键必须与缸体上的凹陷对准。

  1. 均匀拧紧主轴承盖螺栓。

    主轴承盖螺栓扭矩。 ... 80 N·m (59 lb ft)

  1. 再将主轴承盖螺栓转动 90 度,以将其拧紧。

    注: 确保曲轴可自由转动。

Caterpillar Information System:

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