C11 and C13 Engines Caterpillar


Cylinder Head

Usage:

730C2 2L7



图 1g01417896

注: 组装前,密封垫上表面和缸体上表面、缸套和密封垫下表面以及缸盖下表面必须没有机油、燃油、水和其他杂质。

注: 组装前,使用清洁发动机机油润滑缸盖螺栓的螺纹。

使用以下步骤拧紧缸盖螺栓:

  1. 按数字顺序将螺栓 (1) 至螺栓 (26) 拧紧至扭矩为 130 ± 15 N·m (95 ± 11 lb ft).

  1. 按数字顺序将螺栓 (1) 至螺栓 (26) 再次拧紧至扭矩为 130 ± 15 N·m (95 ± 11 lb ft)。

  1. 在螺栓 (1) 至螺栓 (26) 上作一个标记。 按数字顺序沿顺时针方向将螺栓 (1) 至螺栓 (26) 转动 90 度(1/4 圈)。

  1. 按数字顺序将螺栓 (1) 至螺栓 (26) 拧松至 0 N·m (0 lb ft)。

  1. 重复步骤 1 到步骤 3。

  1. 按数字顺序将螺栓 (27) 至螺栓 (31) 拧紧至扭矩为 28 ± 7 N·m (21 ± 5 lb ft)。



图 2g01417900

注: 组装前,将 6V-6640 密封胶 涂抹在杯塞的孔上。

(C) 从缸盖表面到杯塞顶部边沿来测量杯塞 (Y) 。 安装深度 ... 2.0 ± 0.5 mm (0.08 ± 0.02 in)

(D) 从缸盖表面到杯塞顶部边沿来测量杯塞 (X) 。 安装深度 ... 1.5 ± 0.5 mm (0.06 ± 0.02 in)




图 3g01417914

(32) 螺塞的扭矩 ... 350 ± 30 N·m (260 ± 22 lb ft)

(E) 新缸盖的高度 ... 130.00 ± 0.15 mm (5.118 ± 0.006 in)

注: 缸盖平面度应在 0.15 mm (0.006 in) 之内。 任何 150.00 mm (5.906 in) 大小范围内平面度最大应为 0.05 mm (0.002 in)。

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