G3512H and G3516H Generator Set Engines Caterpillar


Gear Group (Rear) - Remove and Install

Usage:

G3512H GF4

拆卸步骤

表 1
所需工具 
工具  零件号  零件描述  数量 
1P-0520  冲头总成 

开始:

  1. 拆下飞轮壳体。 请参阅拆解和组装, "飞轮壳体 - 拆卸"。


注意

保持所有零件清洁无杂质。

杂质会造成快速磨损並縮短部件使用寿命。




    图 1g01118210

  1. 拆下螺栓 (9) 和止推盘 (10)。 拆卸惰轮组件 (3)。

  2. 使用工具 (A) 和合适的压具从惰轮组件 (3) 上拆卸套筒轴承 (11)。

  3. 卸下螺栓 (8),然后卸下凸轮轴惰轮 (1)。 卸下惰轮轴 (7) 和止推垫圈 (2)。

  4. 使用工具 (A) 和合适的压具从凸轮轴惰轮 (1) 上拆卸套筒轴承 (6)。

  5. 拆下螺栓 (4)。 拆下齿轮组齿轮轴 (5)。

  6. 拆下螺栓 (12)。 拆下曲轴齿轮 (13)。

安装步骤

  1. 按照与拆卸相反的顺序安装惰轮组 (3)、凸轮轴惰轮 (1)、齿轮组轴 (5) 和曲轴齿轮 (13)。

    1. 用工具 (A)和一个合适的压具按照 1.00 ± 0.25 mm (0.039 ± 0.010 in)的深度将套筒轴承 (6)安装到凸轮轴惰齿轮 (1)上。 用工具 (A)和一个合适的压具按照 1.50 ± 0.50 mm (0.059 ± 0.020 in)的深度将套筒轴承 (11)安装到凸轮轴惰齿轮 (3)上。

    2. 拧紧螺栓 (8) 至扭矩为 240 ± 20 N·m (177 ± 15 lb ft)

    3. 拧紧螺栓 (4) 至扭矩为 140 ± 10 N·m (103 ± 7 lb ft)

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