3304B and 3306B Engines for Caterpillar Built Machines Caterpillar


Fuel Injection Pump Housing - Assemble

Usage:

D6D 01Y

组装步骤

Table 1
所需工具    
工具     零件号     零件名称     数量    
A     1P-1860     挡圈钳     1    
B     1P-0510     冲头总成     1    
C     6V-2016     钢板     1    
0S-1594 螺栓     2    
6V-4818 冲头     1    


注意

保持所有零件清洁无杂质。

杂质会造成快速磨损和缩短部件寿命。


注: 组装前在所有零件上涂抹清洁的发动机机油。 确保所有油道干净。




图 1g00457491

  1. 使用工具 (B) 将大轴承 (1) 安装到燃油喷油泵壳体的调速器端。 轴承接缝 (3) 应朝向燃油喷油泵壳体的顶部。 安装轴承,使轴承低于燃油喷油泵壳体表面 0.25 ± 0.20 mm (.010 ± .008 in)。

  1. 使用工具 (B) 将小轴承 (2) 安装到燃油喷油泵壳体的调速器端,以便使工具 (B) 低于燃油喷油泵壳体表面 7.16 ± 0.13 mm (.282 ± .005 in)。



    图 2g00457492

  1. 使用工具 (B) 将大轴承 (4) 安装到燃油喷油泵壳体的驱动端。 轴承接缝应朝向燃油喷油泵壳体的顶部。 安装轴承,使轴承低于燃油喷油泵壳体表面 1.00 ± 0.25 mm (.039 ± .010 in)。



    图 3g00457493

  1. 将工具 (C) 的钢板安装到燃油喷油泵的驱动端,以便安装齿条小轴承 (5) 。 使用清洁的润滑脂固定工具 (C) 的齿条轴承的新冲头。 将冲头和轴承安装到钢板上。 确保冲头上的凹槽与钢板上的销对准,然后用锤子将轴承推入到位。 当冲头肩部接触到钢板即表示轴承已经安装到正确的深度。

  1. 从燃油喷油泵壳体中拆下工具 (C) 。 安装燃油齿条轴承时,必须使燃油齿条轴承低于壳体表面 0.25 ± 0.25 mm (.010 ± .010 in)。



    图 4g00457494

  1. 安装凸轮轴 (6) 。



    图 5g00458729

  1. 如图所示,将燃油喷油泵壳体直立。 在凸轮轴下面放一块木块。

  1. 将垫圈 (7) 放置在凸轮轴一端上。 使用工具 (B) 和隔套 (8) 将垫圈推到凸轮轴上的支座上。 隔套 (8) 的内径为 38.1 mm (1.50 in),长度为 31.75 mm (1.250 in)。 当垫圈被推到与凸轮轴肩部接触时,凸轮轴的端隙必须为 0.18 ± 0.08 mm (.007 ± .003 in)。



    图 6g00457495

  1. 使用工具 (A) ,安装卡环 (9) 。



    图 7g00458730

    注: 检查新挺杆的状况。 如有必要,更换挺杆。 如果继续使用原来的挺杆,将挺杆放置到原来的位置。 新挺杆都是同样的,可以按照任何顺序放置。

  1. 将六根挺杆 (10) 放置在燃油喷油泵壳体中。 确保挺杆中的凹槽与燃油喷油泵壳体中中的销对准。



    图 8g00458731

  1. 安装齿条 (11) 。 确保齿条末端的凹槽对准喷油泵壳体总成驱动端燃油齿条轴承的凸耳(凸键)。



    图 9g00458732

  1. 安装密封垫和盖 (12) 。

End By:

  1. 组装调速器。 请参考 解体与组装, "调速器 - 组装"。
  2. 安装燃油喷油泵。 请参考 解体与组装, "燃油喷油泵 - 安装"。

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