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我队一台E514联合收割机,在麦收期间因脱谷机出现故障,需立即停车熄火排除故障。然而将油门放在熄火位置时,发动机从额定转速2000转/分降至600—809转/分却保持着运转,熄不了火。检查燃油泵调速器纵臂已处在停供位置,而且调速灵敏,采取断缸熄火,几乎快把四根高压油管全部卸掉,并确认燃油泵已不供油,发动机仍在着火。无奈,只好堵住进气管道迫使发动机熄火。针对这一故障的出现,我们对发动机燃油供给部分做了认真的分析,这种柴油机的燃油供给路线是:燃油箱→
My team a E514 combine harvester, due to the failure of the threshing machine during the wheat harvest, the need to immediately stop stalled to troubleshoot. However, the throttle on the flameout position, the engine from the rated speed of 2000 rev / min down to 600-809 rev / min but kept running, can not put out the fire. Check fuel pump governor trailing arm has been stopped position, and speed sensitive, to take off the cylinder flameout, almost all of the four high-pressure tubing removed, and confirmed that the fuel pump is not oil, the engine is still on fire. Helpless, had blocked the intake pipe forced the engine flameout. In response to the emergence of this failure, we have made a serious analysis of the engine fuel supply part of the diesel fuel supply route is: the fuel tank →