Akulungile ukufaka uwoyela wesiqandisi ngokungaboni ngaso linye ngokusekelwe okuhlangenwe nakho. Izimpawu ezine zisiza ukuqinisekisa ukugcwaliswa kukayile. Okokuqala, umsindo ongajwayelekile wokushaya ovela ku-compressor ngenxa yokushoda kokugcwalisa. Okwesibili, izinga eliphansi likayile ngaphansi kwesikali esincane engilazini yokubona ye-compressor ngemuva kokuvala. Okwesithathu, ukusebenza okungalungile kokupholisa nokuvikelwa njalo kwezinga lokushisa eliphezulu, okubangelwa ukungaphumeleli kokudlulisa ukushisa ngenxa yokushoda kukayile. Okwesine, ukuvuza kwangaphambili kwesiqandisi, ukulungiswa kwe-compressor noma ukushintshwa komapayipi, njengoba isiqandisi esivuza sihlale sithatha uwoyela wokugcwalisa. Ungalokothi ugcwalise uwoyela ngezinga eliphezulu kakhulu lokugcwalisa ukuze ugweme ukushaywa kukayile nokulimala kwe-valve. Faka uwoyela wesiqandisi wezinga elichaziwe ngokulinganiselwe kuphela lapho izinga likayile liphansi ngeziphazamiso ezingajwayelekile, ngokuhambisana nezinga likayile elijwayelekile lomkhiqizi.