Hannun Racker a cikin mota hakika shine lever mai dauke da makamai mai rai wanda zai sake buɗe karfi daga sanda na tururi kuma yana kan ƙarshen bawul ɗin don tura bawul ɗin don tura bawul. A rabo daga hannunk tsawon a bangarorin biyu ana kiransa rcoker strer, wanda yake kusan 1.2 ~ 1.8. Ofpendaya daga cikin ƙarshen ɗagin da ake amfani da shi don tura bawul din. Aikin aiki na shugaban dutsen yana yin siffar cylindrical. Lokacin da Dutsen Rcker ya yi juyawa, zai iya mirgine a ƙarshen fuskar bawul na bawul na bawul na bawul, saboda ƙarfi tsakanin waɗannan biyun na iya yin daidai da mai yiwuwa. Armer Harry kuma ya tashi tare da lubricting mai da ramuka mai. An saka dunƙule mai daidaitawa don daidaitawa mai daidaitawa a cikin rami mai ɗaukar hoto a gajeriyar hannu a ƙarshen raka. Shugaban ball na dunƙule yana cikin hulɗa tare da concave tee a saman sanda na turawa.
Hannun mai saukar ungulu mai ban tsoro ne a kan dutsen Shaft ta hannun rcker hannu Bada hannu, kuma an tallata na gaba akan kujerar hannu, da Roller hannun da aka bushe tare da ramuka mai.
Armer hannu yana canza shugabanci na karfi daga sanda na tura kuma yana buɗe bawul ɗin.
