Umhlwa wobushushu obuphantsi yisulphur dioxide kunye nesulfure trioxide eveliswa yisulfure kumafutha ngexesha lenkqubo yokutsha kwicylinder, zombini ziyigesi, ezidibana namanzi ukwenza i-hyposulfuric acid kunye ne-sulfuric acid (xa ubushushu bodonga lwesilinda ngaphantsi kwendawo yombethe), ngaloo ndlela yenze umhlwa wobushushu obuphantsi. .
Xa inani elipheleleyo lesiseko seoli ye-cylinder liphantsi kakhulu, iidiphozithi ezifana nepeyinti ziya kubonakala kumphezulu we-cylinder liner phakathi kwendawo nganye yokutofa kweoli, kwaye umphezulu we-cylinder liner phantsi kwento efana nepeyinti iya kuba mnyama ngokuhlwa. . Xa kusetyenziswa i-chrome-plated cylinder liners, amabala amhlophe (i-chromium sulfate) aya kubonakala kwiindawo ezinqabileyo.
Izinto ezichaphazela i-corrosion yeqondo lokushisa eliphantsi ngumxholo wesulfure kwi-oyile ye-fuel, ixabiso le-alkali kunye nesantya sokutofa kweoli kwi-oyile ye-cylinder, kunye nomxholo wamanzi wegesi yokuhlamba. Ubumanzi bomoya othululwayo bunxulumene nokufuma komoya kunye nobushushu bomoya ococayo.
Xa inqanawa ihamba kwindawo yolwandle enomswakama ophezulu, nikela ingqalelo ukujonga ukukhutshwa kwamanzi adibeneyo epholileyo yomoya.
Ukumiselwa kobushushu bokumpompa kunobumbini. Ukushisa okuphantsi kunokudlala indima "yokupholisa okomileyo" ukukhupha, umswakama ohambelana nomoya okhuphayo uya kuncipha, kwaye amandla enjini enkulu aya kwanda; nangona kunjalo, iqondo lobushushu eliphantsi lokucoca umoya liya kuchaphazela ubushushu bodonga lwesilinda. Emva kokuba iqondo lokushisa kwindonga ye-cylinder liphantsi kunombethe, ukutshatyalaliswa kweqondo lokushisa eliphantsi kuya kwenzeka xa ixabiso lesiseko sefilimu yeoli ye-cylinder kwindonga ye-cylinder ayanelanga.
Kukhankanyiwe kwisetyhula yenkonzo ye-injini ukuba xa i-injini enkulu isebenza kumthwalo ophantsi, kuyacetyiswa ukuba unyuse ngokufanelekileyo ubushushu bokucoca ukuphepha ukubola kobushushu obuphantsi.
Ukonyusa iqondo lobushushu le-injini ye-cylinder liner yokupholisa amanzi ekunciphiseni ukubola kobushushu obuphantsi, i-MAN isebenzise inkqubo ye-LCDL ukunyusa i-injini ye-cylinder liner yokupholisa amanzi kwi-120 °C ukunqanda ukuhlwa kobushushu obuphantsi.
