Kukwera kwa mpweya kumagwiritsa ntchito ma valve, mizere ya mpweya ndi zikwama za air-spring m'malo mwa kuyimitsidwa kwachitsulo.Matumba osinthika a air-spring amapangidwa kuchokera kuzinthu zolukidwa komanso ngati mphira.Mpweya woperekedwa ku kuyimitsidwa kwa mpweya umagwiritsa ntchito mpweya wofanana ndi kompresa ndi chosungira mpweya monga makina oyendetsa galimoto.Mpweya woperekedwa umakakamiza matumba a air-spring, kupanga kayendedwe ka kasupe komwe kumakweza chassis kuchokera ku chitsulo.
Kuyimitsidwa kwa kasupe kumagwiritsa ntchito akasupe a masamba a semi-elliptic kuti achepetse katundu chifukwa chogwedezeka pamsewu.Monga imodzi mwazoyimitsidwa zomwe zimagwiritsidwa ntchito kwambiri, kukwera kasupe kumakhala ndi zigawo zingapo zazitsulo zosinthika zomwe zimatchedwa "paketi yamasamba."Mizere imalumikizidwa palimodzi kuti ikhale ngati unit imodzi.Ma mbale aatali ndi opapatiza, okhala ngati chipilala amamangiriridwa ku chimango cha ngolo, yokhazikika pamwamba pa ekisi ya ngolo.