1.Pampu idapangidwa molunjika komanso kukhazikika m'malingaliro kuti iwonetsetse kuti injini imagwira ntchito kwanthawi yayitali komanso kuziziritsa koyenera.
2.Kupangidwa kwapamwamba kwambiri, pogwiritsa ntchito zipangizo zamakono komanso zamakono zamakono kuti zipereke kudalirika kwapamwamba ndi ntchito
3.Pampu yamadzi ndi gawo lofunika kwambiri la makina oziziritsa a galimoto ndipo ali ndi udindo wozungulira zoziziritsa kukhosi kudzera mu injini kuti asunge kutentha kwabwino kwa ntchito.