3044C Industrial Engine Caterpillar


Fuel System Filter - Replace

Usage:

3044C 344

------ WARNING! ------

渗漏或溅溢到热表面或电气部件上的燃油会引起失火。 为防止可能的伤害,当更换燃油滤清器或油水分离器滤芯时,要将起动开关断开。 应立即将溅溢的燃油清除干净。



注意

不要让脏物进入燃油系统。 彻底清洁将要拆开的燃油系统部件的周围区域。 在拆开的燃油系统部件上安放适当的盖。


进行本保养之前应先将供油阀转到关闭(OFF)位置。 在燃油滤清器下面放置一个,以便盛接所有可能洒出的燃油。 立即清理溅出的燃油。




    图 1g01355125

    (1) 电动燃油充油泵

    (2) 燃油滤清器底座

    (3) 快速释放固定圈

    (4) 燃油滤清器

    (5) 沉淀物分离杯

    (6) 燃油滤清器排放阀

  1. 关闭供油阀。

  1. 清洁燃油滤清器总成的外表面。 打开排放阀 (6) 将冷却液排放到适当的容器内。

  1. 拆下沉积物分离杯 (5) 。


    注意

    不要使用工具来拆下燃油滤清器。 试图使用滤清器扳手或滤清器拆卸带来拆下燃油滤清器会损坏锁环。


  1. 握住燃油滤清器 (4) ,逆时针转到快速释放固定圈 (3) 。 拆下快速释放固定圈 (3) 。 应将旧滤芯拆下并废弃。


    注意

    安装燃油滤清器之前不要在其中注入燃油。 污染的燃油会加速燃油系统部件的磨损。


  1. 确保滤清器底座清洁。 将新滤芯完全推入滤清器底座内。

  1. 握住燃油滤清器。 将锁环 (3) 安装入位。 顺时针转到锁环以便将燃油滤清器固定到滤清器底座上。

  1. 彻底清洁沉积物分离杯 (5) 。 检查O形密封圈。 如有必要,更换新的O形密封圈。 将沉淀杯安装到新滤芯上。 用手拧紧沉淀杯。 用手拧紧是唯一应该使用的方法。

  1. 泵注燃油系统。 请参阅操作与保养手册, "燃油系统 - 充注"。

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