3176C and 3196 Engines for Caterpillar Built Machines Caterpillar


Cylinder Head

Usage:

140H 126



图 1g01436665

注: 从缸盖拆下螺栓时,必须用新缸盖螺栓加以替换。

注: 装配前,用 6V-4876 润滑剂 润滑螺栓螺纹、螺栓头下面和垫圈。

按照以下步骤拧紧缸盖螺栓:

  1. 按照数字顺序拧紧螺栓 (1) 到螺栓 (26) 。

    将螺栓再次拧紧至以下扭矩。 ... 160 ± 15 Nm (120 ± 11 lb ft)

  1. 再次按照数字顺序拧紧螺栓 (1) 到螺栓 (26) 。

    再次将螺栓拧紧至以下扭矩。 ... 160 ± 15 Nm (120 ± 11 lb ft)

  1. 在螺栓 (1) 至螺栓 (26) 上作一个标记。 按照数字顺序转动螺栓 (1) 到螺栓 (26) 。

    顺时针方向转动螺栓。 ... 90 度(1/4 圈)

  1. 松开螺栓 (1) 至螺栓 (26) ,直到螺栓头下方的垫圈松动。

  1. 按照数字顺序拧紧螺栓 (1) 到螺栓 (26) 。

    将螺栓再次拧紧至以下扭矩。 ... 160 ± 15 Nm (120 ± 11 lb ft)

  1. 再次按照数字顺序拧紧螺栓 (1) 到螺栓 (26) 。

    再次将螺栓拧紧至以下扭矩。 ... 160 ± 15 Nm (120 ± 11 lb ft)

  1. 在螺栓 (1) 至螺栓 (26) 上作一个标记。 按照数字顺序转动螺栓 (1) 到螺栓 (26) 。

    顺时针方向转动螺栓。 ... 90 度(1/4 圈)

  1. 按照数字顺序拧紧螺栓 (27) 到螺栓 (33) 。

    将螺栓再次拧紧至以下扭矩。 ... 28 ± 7 N·m (20 ± 5 lb ft)




图 2g01436674

A-A 视图

(A) 测量杯塞时,从杯塞的顶部表面到顶部边缘进行测量。 安装深度 ... 1.25 ± 0.25 mm (0.049 ± 0.010 inch)

新缸盖的高度 ... 105.00 ± 0.15 mm (4.134 ± 0.006 in)

缸盖最小允许厚度 ... 104.35 mm (4.108 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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