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jin qi guan wei he mao yan
Author(s): 
Pages: 29
Year: Issue:  5
Journal: Farm Machinery

Keyword:  进气管窜机油发动机燃烧缸垫管堵进气门积碳;
Abstract: <正>我校的一台上海—50拖拉机,发生了一起这样的故障:进气管冒烟,排气管也冒一股股黑烟,空车也无力行走。开始我们以为是进气门在打开位置卡死或缸垫冲了,经过拆开检查,最后发现是由于排气管被积碳堵塞造成的。由于排气管堵了,废气不能通畅排出,使一部份废气从进气口跑出,由进气管排出。废气排不净,新鲜空气不足,使燃烧不好,功率下降。上海—50、丰收—35拖拉机的排气管细、弯、长,而且装有消音器,因而当发动机燃烧不好、窜机油时,
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