3304B and 3306B Engines for Caterpillar Built Machines Caterpillar


Fuel Injection Pump Housing and Governor - Remove

Usage:

D6D 01Y

拆卸步骤

Table 1
所需工具    
工具     零件号     零件名称     数量    
A     8S-2264     泵轮拆卸器     1    
8B-7560 踏脚板     1    
0T-0513 螺栓     2    
5P-1075 硬垫圈     2    

开始:

  1. 拆卸燃油喷油管。 请参考解体与组装, "燃油喷油管 - 拆卸和安装"。


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。





图 1g00589938

3304B 发动机

  1. 在 3304B 发动机上,拆下机油供油管 (26) 、机油回油管 (25) 和隔热罩 (27) 。 检查回油管 (25) 四周的 O 型密封圈。 如果 O 型密封圈损坏,应更换。 从涡轮增压器顶部拆下密封垫和滤网。

    注: 下图所示为 3306B 发动机的情况。




    图 2g00452289

  1. 拆下六个螺母 (1) 和垫圈,然后拆下盖 (2) 。

    注: 如果螺母与固定螺柱一起脱出壳体,将螺母 (1) 与固定螺柱分开。 在固定螺柱上涂覆螺纹密封胶,重新安装固定螺柱到深度 19.0 ± 0.8 mm (0.74 ± 0.03 in)。




    图 3g00452292

  1. 拆下中间螺栓 (3) 和隔套 (4) 。



    图 4g00452293

  1. 安装中间螺栓 (3) 并保留 6.4 mm (.25 in) 的间隙。 如图所示,安装工具 (A) 。 拧紧螺柱,以便从燃油喷油泵凸轮轴上的锥体上松开燃油泵驱动齿轮。

  1. 拆下工具 (A) 和螺栓 (3) 。



    图 5g00452301

  1. 拆下管组件 (5) 和 (11) 。 断开管组件 (8) 和 (9) 的一端。 断开卡箍 (10) 。 拆下两根螺栓 (7) 和垫圈,然后将滤清器底座 (6) 连同滤清器和密封垫一起拆下。



    图 6g00452302

  1. 拆下两根螺栓 (12) 、垫圈以及密封垫。 拆下两根螺栓 (14) 和密封垫。 拆下管组件 (13) 。



    图 7g00452343

  1. 使用提升吊索和起重机将燃油喷油泵壳体和调速器固定。

  1. 断开电磁阀地线 (15) 。 拆下三个螺母 (16) 。 拆下两根螺栓 (17) 和垫圈。 从发动机上拆卸燃油喷油泵壳体和调速器。 要安全拆卸燃油喷油泵壳体和调速器,需要两名技师或适当的举升设备。 3304B 燃油喷油泵壳体和调速器的重量为 24 kg (53 lb)。 3306B 燃油喷油泵壳体和调速器的重量为 32 kg (70 lb)。

  1. 从喷油泵壳体和调速器上拆下 O 形密封圈。

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