Jakar tace ita ce zuciyar tace jakar yayin aiki. Yawancin lokaci, jakar matattarar bugun jini na silinda a tsaye tana tsayawa a cikin mai tara ƙura. Kurar da ke ɗauke da iskar gas - tana shiga cikin mai tara ƙura daga mashigar iska, ta ratsa ta farantin jagorar ash hopper, kuma wasu manyan ƙurar ƙurar da ke cikin iskar sun rabu ta hanyar rashin kuzari kuma su faɗi kai tsaye cikin tokar hopper. Kurar da ke ƙunshe da iskar gas tana shiga wurin tace jakar matatar akwatin. Yawancin kura ana kama su a saman saman jakar tacewa, kuma iskar gas mai tsafta tana shiga cikin jakar tacewa ta kayan tacewa. Gas ɗin da aka tsarkake yana shiga cikin akwatin na sama ta tashar jakar tacewa kuma ana fitar dashi daga tashar iska. Ana amfani da kejin da ke cikin jakar tacewa don tallafawa jakar tacewa don hana jakar tacewa rugujewa. A lokaci guda, yana taimakawa wajen cirewa da kuma sake rarraba cake ɗin ƙura.