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fa dong ji lou qi bu wei de pan duan
Author(s): 
Pages: 21
Year: Issue:  1
Journal: Farm Machinery

Keyword:  发动机工作压缩力气门漏气进气管发动机温度压缩行程排气管空气滤清器部位摇车;
Abstract: <正> (1)气门是否漏气可以摇车检查。一般情况下,个别缸气门漏气时摇转曲轴(发动机温度50℃以上),会感觉到压缩力不等。将压缩力小的气缸中的活塞摇到压缩行程的1/2部位,停留15~25s后再摇转,会感到无压缩力或压缩力很小。此外,摇车时排气管口或中央进气管口(拆去干式滤清器)会听到很长的嘘叫声,严重时,在发动机工作时也能清楚地听见"嗤嗤"的声音。
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