1. Dalilin zoben piston

(1) Kayan zobe na piston bai dace da buƙatun ba kuma ƙarfin lanƙwasawa ba shi da kyau;

(2) Tsarin jiyya na saman zoben yana da kauri sosai, kuma juriyar gajiya ba ta da kyau.

2. Piston dalilai

(1) Bayan an sanya igiyar zobe, yana da siffar ƙaho, wanda ke sa zoben piston ya karkata kuma ya karye lokacin aiki;

(2) Piston ya lalace ko kuma zafi ya fashe, kuma zoben ya lalace kuma ya karye ta hanyar matsawa;

(3) Ragon zoben piston ba daidai ba ne, zoben ya makale kuma ya rasa elasticity, kuma tasirin ya karye.

3. Dalilai na layin Silinda

(1) Diamita na ciki na layin silinda ƙananan ƙananan ne, kuma buɗewar zoben piston ya makale kuma ya karye;

(2) Diamita na ciki na silinda na silinda yana da girma, ƙarshen ƙarshen zobe yana da girma, kuma ƙwanƙwasa yana ƙaruwa lokacin da zoben ke aiki;

(3) Layin Silinda yana kaɗawa, kuma zoben ya karye ta hanyar dakaru na yau da kullun yayin aiki.

4. Wasu dalilai

(1) Rashin man shafawa;

(2) Sanyewar zoben ya wuce iyakar sabis, kuma zai karye bayan ci gaba da amfani;

(3) Karye saboda shigar da ba daidai ba da rarrabuwa;

(4) Ba a kawar da matakin saman mataccen cibiyar tsohuwar silinda.