3408E and 3412E Engines for Caterpillar Built Machines Caterpillar


Balancer Group - Install

Usage:

769C 01X

安装步骤

表 1
所需工具 
工具  零件号  零件说明  数量 
A  1P-0510  起子总成 


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 1g00833332

  1. 利用四条螺栓 (1) 将轴 ( 2) 安装到缸体上。


    图 2g00832534
    (3) 平衡齿轮
    (4) 轴承
    (X) 20 度
    (Y) 重心
    (Z) 轴承内的接头


    图 3g00833557
    (3) 平衡齿轮
    (4) 轴承
    (T) 1.3 mm (0.05 in)

  2. 利用工具 (A) 将新轴承 ( 4) 安装到平衡齿轮 ( 3) 中。 安装轴承,使轴承内的接头 ( Z) 位于齿轮配重侧中心线 ( Y) 20 度的范围内。 将轴承压入平衡齿轮 ( 3) 的孔中,使其距离平衡齿轮 ( 3) 的对面 1.3 mm (0.05 in)。 请参阅插图 3。


    图 4g00833325

  3. 将干净的机油涂抹到平衡齿轮 ( 3) 内轴承的内表面上。 安装平衡齿轮 (3) 和板 ( 6)。 确保平衡齿轮带有配重的一侧面向缸体。 安装螺栓 (5)。 检查平衡齿轮的轴向间隙。 轴向间隙应当在 0.15 mm (0.006 in)0.36 mm (0.014 in) 之间。


    注意

    安装中,确保平衡齿轮和凸轮轴后齿轮上的正时标记间对齐。

    如果正时标记不对齐,可导致发动机损坏。




    图 5g00833461

  4. 将凸轮轴后齿轮 ( 7) 安装到凸轮轴上。 确保 "v" 形标记 (9) 对齐。 安装螺栓 (8)。 用 27 ± 4 N·m (20 ± 3 lb ft)的扭矩拧紧螺栓 ( 8)。

结束:

  1. 安装飞轮壳。 请参阅 拆解和组装, "飞轮壳体 - 拆卸和安装"。

Caterpillar Information System:

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