3606 and 3608 Engines Caterpillar


Cylinder Block

Usage:

3608 6MC



图 1g01193083

右视图

(1) 缸盖双头螺栓

用以下步骤安装缸盖双头螺栓:

  1. 在每根双头螺栓的下半部上涂抹 1.5 mm (0.06 in) 厚的 4C-4774 耐水和耐温润滑脂 涂层。

  1. 彻底清洁缸体的顶部。

  1. 安装缸盖双头螺栓。

    将缸盖双头螺栓拧紧至下列扭矩。 ... 100 ± 20 N·m (75 ± 15 lb ft)

  1. 在每根双头螺栓周围的顶部涂抹一圈密封胶。 这可确保沉孔填满润滑脂。

  1. 在每根双头螺栓的上半部上涂抹 1.5 mm (0.06 in) 厚的 4C-4774 耐水和耐温润滑脂 涂层。

(2) 定位销伸出缸体前表面的距离如下。 ... 8.0 ± 1.0 mm (0.32 ± 0.04 in)

(3) 定位销伸出缸体后表面的距离如下。 ... 20.0 ± 1.0 mm (0.79 ± 0.04 in)

(4) 定位销伸出缸体前表面的距离如下。

7N-2328 定位销 ... 20.0 ± 1.0 mm (0.79 ± 0.04 in)



图 2g01193086

缸体前视图

(5) 定位销伸出缸体表面的距离如下。 ... 8.0 ± 1.0 mm (0.32 ± 0.04 in)

(6) 定位销伸出缸体表面的距离如下。 ... 60.0 ± 1.0 mm (2.36 ± 0.04 in)

组装缸盖前,在定位销上涂抹 4C-4774 耐水和耐温润滑脂 。

(7) 缸体上主轴承孔孔径 ... 265.000 ± 0.020 mm (10.4330 ± 0.0008 in)

1.00 mm (0.040 in) 加大尺寸 ... 266.000 ± 0.020 mm (10.4724 ± 0.0008 in)

2.00 mm (0.080 in) 加大尺寸 ... 267.000 ± 0.020 mm (10.5118 ± 0.0008 in)

(8) 曲轴轴承孔的中心线到缸体顶面 ... 946.00 mm (37.244 in)

拧紧主轴承的步骤

  1. 再次拧紧缸体中的双头螺栓 (9) 。

    螺栓的扭矩 ... 100 ± 20 N·m (75 ± 15 lb ft)

  1. 组装主轴承盖和垫圈。 用手拧紧螺母。

  1. 组装带有凸键开槽的盖侧面的侧螺栓。 用手拧紧侧螺栓。 组装前,用发动机机油润滑垫圈表面和螺纹。

  1. 从缸体的前表面开始。

    将盖侧面的侧螺栓连同凸键开槽一起拧紧至以下扭矩。 ... 215 ± 40 N·m (160 ± 30 lb ft)

  1. 用以下任一张紧器同时张紧每对双头螺栓。

    207-5034 双头螺栓拧紧工具总成 ... 65000 ± 2400 kPa (9425 ± 350 psi)

    191-5320 双头螺栓拧紧工具总成 ... 111500 ± 3950 kPa (16200 ± 575 psi)

    用手拧紧螺母。 慢慢释放压力。

  1. 重复进行步骤5。

  1. 用手拧紧凸键开槽对着的盖侧面的侧螺栓。 组装前,用发动机机油润滑垫圈表面和螺纹。

  1. 从缸体的前表面开始。

    将凸键开槽对着的盖侧面的侧螺栓拧紧至以下扭矩。 ... 215 ± 40 N·m (160 ± 30 lb ft)

  1. 从缸体的前表面开始。

    将盖侧面的侧螺栓连同凸键开槽一起拧紧至以下扭矩。 ... 1825 ± 175 N·m (1340 ± 130 lb ft)

  1. 从缸体的前表面开始。

    将凸键开槽对着的盖侧面的侧螺栓拧紧至以下扭矩。 ... 1825 ± 175 N·m (1340 ± 130 lb ft)

(11) 主轴承盖的宽度 ... 499.95 ± 0.03 mm (19.683 ± 0.001 in)

缸体主轴承盖宽度 ... 500.00 ± 0.05 mm (19.685 ± 0.002 in)

主轴承盖的侧边和缸体之间的间隙 ... 0.03 到 0.13 mm (0.001 到 0.005 in)




图 3g01193094

主轴承盖

(12) 定位销伸出主轴承盖的距离如下。 ... 10.0 ± 0.5 mm (0.39 ± 0.02 in)

(13) 主轴承盖

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