Ƙarƙashin zafin jiki shine sulfur dioxide da sulfur trioxide wanda sulfur ya haifar a cikin man fetur a lokacin aikin konewa a cikin silinda, duka biyun gas ne, wanda ke haɗuwa da ruwa don samar da hyposulfuric acid da sulfuric acid (lokacin da zafin jiki na bangon Silinda ya kasance. kasa da raɓansu), don haka samar da ƙananan zafin jiki lalata. .

Lokacin da jimlar adadin tushe na man silinda ya yi ƙasa da ƙasa, adibas masu kama da fenti za su bayyana a saman silindar silinda tsakanin kowane wurin allurar mai, kuma saman silinda ɗin da ke ƙarƙashin abin mai kama da fenti zai yi duhu ta lalata. . Lokacin da aka yi amfani da layin silinda mai chrome-plated, fararen spots (chromium sulfate) za su bayyana a wuraren da suka lalace.

Abubuwan da ke shafar ƙarancin zafin jiki sune abubuwan da ke cikin sulfur a cikin man fetur, ƙimar alkali da adadin allurar mai a cikin man silinda, da abun ciki na ruwa na iskar gas. Abubuwan da ke cikin iskar da ke daɗaɗawa yana da alaƙa da zafi na iska da kuma yanayin zafin iska.

Lokacin da jirgin ya tashi a cikin babban yankin teku mai zafi, kula da hankali don duba fitar da ruwa mai sanyi na iska.

Saitin zafin zafin jiki yana da duality. Ƙananan zafin jiki na iya taka rawar "bushewar sanyaya" scavenging, yanayin zafi na dangi na iska zai ragu, kuma ikon babban injin zai karu; duk da haka, ƙananan zafin iska mai zazzagewa zai shafi yanayin zafin bangon Silinda. Da zarar yawan zafin jiki na bangon Silinda ya fi ƙasa da raɓa , ƙarancin zafin jiki na lalata zai faru lokacin da ƙimar tushe na fim ɗin mai a kan bangon silinda bai isa ba.

An ambata a cikin babban madauwari na sabis na injin cewa lokacin da babban injin ke aiki da ƙarancin nauyi, ana ba da shawarar ƙara yawan zafin jiki yadda ya kamata don guje wa ƙarancin zafin jiki.

Don ƙara yawan zafin jiki na babban injin silinda mai sanyaya ruwa don rage ƙarancin zafin jiki, MAN ya yi amfani da tsarin LCDL don ƙara babban injin silinda mai sanyaya ruwa zuwa 120 ° C don hana lalata ƙarancin zafin jiki.