C4.4 Industrial Engine Caterpillar


Cylinder Block

Usage:

C4.4 444



图 1g01335800

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 ... 50.038 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 ... 80.416 至 80.442 mm (3.1660 至 3.1670 in)

安装主轴承盖螺栓 (5) 。 关于正确步骤,请参阅拆解和组装, "曲轴主轴承 - 拆卸和安装"或拆解和组装, "曲轴 - 安装"。

(5) 主轴承盖螺栓

均匀拧紧主轴承盖螺栓。 主轴承盖螺栓扭矩。 ... 245 N·m (180 lb ft)

注: 确保曲轴可自由转动。

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