Fuel System - Prime
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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。 |
应在更换单体喷油器之后或在燃油系统燃油完全用尽时泵注燃油系统。
注: 在更换燃油粗滤器或燃油细滤器时或更换电子控模块(ECM)时通常不需要泵注燃油系统。 在这些情况下起动发动机时,发动机一开始可能运转不平稳,直到空气被从系统中排出去之后才会转好。
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注意 |
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不要让脏物进入燃油系统。 彻底清洁要拆开的燃油系统部件的周围区域。 在所有拆开的燃油系统部件上安放适当的盖。 |
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图 1 | g01275925 |
为发电机组配置的典型的C27或 C32 发动机的右视图 (1) 燃油充油泵 (2) 燃油滤清器底座 (3) 燃油细滤器 |
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图 2 | g01275944 |
燃油细滤器和燃油充油泵如图所示。 (1) 燃油充油泵 (2) 燃油滤清器底座 (3) 燃油细滤器 (4) 充油泵柱塞 |
遵照下列程序,以便为发动机充注燃油。
- 逆时针转动充油泵柱塞 (4),以便解锁充油泵柱塞。 手动泵压柱塞,以便向燃油管和燃油滤清器充注燃油。
- 当燃油系统排出气后,燃油压力将增加。 这将使柱塞产生阻力。 继续泵压柱塞,直到感到很强的阻力。 行程的数量将随燃油管路中空气量而变化。
- 感受到柱塞阻力后,推柱塞。 顺时针转动柱塞,锁紧柱塞。
- 起动发动机以低怠速运转。
- 如果发动机运转不平稳,使发动机继续在较低的怠速状态下运转直到发动机平稳下来。
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注意 |
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持续盘车不要超过30秒。 再次盘车前,让起动马达先冷却2分钟。 |
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