3612 and 3616 Engines Caterpillar


Gear Group (Front)

Usage:

3616 1PD



图 1g01024127

注: 用清洁发动机机油润滑所有 O 形密封圈。




图 2g01024336

左惰轮和右惰轮的横截面

(1) 左惰轮

轴承的齿轮孔 ... 76.00 ± 0.02 mm (2.992 ± 0.001 in) (8) 齿轮孔中安装轴承的深度 ... 2.50 ± 0.50 mm (0.098 ± 0.020 in) (9) 节圆直径 ... 301.02 mm (11.851 in) (10) 由齿轮节圆直径轴心确定的轴承孔的径向跳动 ... 0.16 mm (0.006 in) (11) 加工后轴承孔的内径 ... 69.950 ± 0.010 mm (2.7539 ± 0.0004 in) (12) 加工轴承孔的最大粗糙度 ... 0.8 微米

(12) 右惰轮

轴承的齿轮孔 ... 76.00 ± 0.02 mm (2.992 ± 0.001 in) (8) 齿轮孔中安装轴承的深度 ... 2.50 ± 0.50 mm (0.098 ± 0.020 in) (9) 节圆直径 ... 296.59 mm (11.677 in) (10) 由齿轮节圆直径轴心确定的轴承孔的径向跳动 ... 0.16 mm (0.006 in) (11) 加工后轴承孔的内径 ... 69.950 ± 0.010 mm (2.7539 ± 0.0004 in) (12) 加工后轴承孔的内径 ... 0.8 微米

(3) 轴承

外径 ... 76.091 ± 0.020 mm (2.996 ± 0.001 in)

(4) 止推垫圈

厚度 ... 9.45 ± 0.05 mm (0.372 ± 0.0020 in)

(5) 左惰轮轴

外径 ... 69.85 ± 0.02 mm (2.750 ± 0.001 in)
标准旋转发动机的油孔位置 ... 2 点方向
反向旋转发动机的油孔位置 ... 8 点方向

(6) 右惰轮轴

外径 ... 69.85 ± 0.02 mm (2.750 ± 0.001 in)
标准旋转发动机的油孔位置 ... 5 点方向
反向旋转发动机的油孔位置 ... 11 点方向

(7) 凸轮轴齿轮

4C-9797 滑脂管 润滑曲轴齿轮孔。

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