1. Tilastawa
Sojojin da ke aiki akan zoben fistan sun haɗa da matsa lamba gas, ƙarfin roba na zoben da kansa, ƙarfin inertial na motsin motsin zoben, ƙarfin juzu'i tsakanin zobe da silinda da tsagi na zobe, kamar yadda aka nuna a cikin adadi. Saboda waɗannan dakarun, zobe zai haifar da motsi na asali kamar motsi axial, motsi na radial, da motsi na juyawa. Bugu da ƙari, saboda halayen motsinsa, tare da motsi mara kyau, zoben piston babu makawa ya bayyana yana iyo da girgizar axial, motsi mara kyau na radial da rawar jiki, motsi mai juyayi wanda ya haifar da motsi marar daidaituwa. Wadannan motsi marasa tsari sukan hana zoben piston aiki. Lokacin zayyana zoben piston, ya zama dole don ba da cikakken wasa ga motsi mai dacewa da sarrafa gefen mara kyau.

2. Thermal watsin
Babban zafi da ake samu ta hanyar konewa ana watsa shi zuwa bangon Silinda ta zoben fistan, don haka zai iya kwantar da piston. Zafin da aka watsa zuwa bangon Silinda ta zoben piston na iya kaiwa 30-40% na zafin da saman fistan ke sha.

3. Tsantsar iska
Aikin farko na zoben fistan shine kiyaye hatimi tsakanin piston da bangon silinda, da kuma sarrafa kwararar iska zuwa ƙarami. Wannan rawar da zoben iskar gas ne ke ɗaukar nauyinsa, wato, zubar da iska da iskar gas na injin ya kamata a kula da shi zuwa ƙaƙƙarfan yanayin aiki don inganta yanayin zafi; hana Silinda da fistan ko silinda da zobe daga lalacewa ta hanyar ɗigon iska; don hana tabarbarewa sakamakon lalacewar man mai.

4. Kula da mai
Aiki na biyu na zoben piston shine a goge man mai da ke haɗe da bangon Silinda da kiyaye yawan amfani da mai. Lokacin da samar da man mai ya yi yawa, za a tsotse shi a cikin dakin konewa, wanda zai kara yawan man fetur, kuma ajiyar carbon da aka samar da konewa zai yi mummunar tasiri ga aikin injin.

5. Taimakawa
Saboda piston ya ɗan ƙanƙanta fiye da diamita na ciki na Silinda, idan babu zoben piston, piston ba shi da kwanciyar hankali a cikin Silinda kuma ba zai iya motsawa cikin yardar kaina ba. A lokaci guda, zobe ya kamata ya hana piston daga tuntuɓar silinda kai tsaye, kuma ya taka rawar tallafi. Saboda haka, zoben fistan yana motsawa sama da ƙasa a cikin silinda, kuma samansa mai zamewa yana ɗauka da zoben.