Fuel Related Components in Cold Weather
未注满的燃油箱可能形成水汽凝结。 在您运行发动机后加满燃油箱。
燃油箱应该有从底部放掉水和沉渣的设施。 有些燃油箱使用供油管,其管端在燃油箱中的位置高于水和沉渣的沉积层。
有些燃油箱使用的供油管直接从燃油箱底部取油。 如果发动机配备了这种系统,定期保养燃油系统滤清器相当重要。
在以下情况下从燃油储油箱中放掉水和沉渣: 每星期, 更换机油时 和 燃油箱加油时。 这样将有助于防止水和/或沉渣被从储油箱中泵吸进发动机燃油箱中。
燃油箱和发动机燃油进油口之间可能会安装一个燃油粗滤器。 更换燃油滤清器之后,要泵注燃油系统以便从燃油系统中驱除气泡。 更多有关泵注燃油系统的资料,请参阅操作和保养手册保养部分。
寒冷天气操作时,燃油粗滤器的微米等级和位置相当主要。 燃油粗滤器和供油管是最常见的受冷态燃油影响的部件。
在寒冷天气时,燃油加热器帮助防止燃油滤清器因燃油结蜡而堵塞。 在燃油系统中安装燃油加热器时,应安装在燃油粗滤器之前。
建议在卡特彼勒发动机上使用以下燃油加热器:
有关燃油加热器的进一步的资料,请咨询您的卡特彼勒代理商。
温暖天气时断开燃油加热器。
注: 应该在发动机上使用由油温调节器控制的或自动调节的燃油加热器。 不受油温调节器控制的燃油加热器可能把燃油加热到超过
注: 热交换型燃油加热器应该有旁通设施以便防止温暖天气操作时发生过热现象。
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