Y20LY pneumatic leg dual drill e tshwarwang ka letsoho ke mofuta wa mochini o bobebe wa mafika, o ka sebediswang ho tjheseng ha bobedi merafong le dikoting hammoho le mosebetsing wa majwe. FT100 pneumatic leg e ka boela ya sebediswa e leho phunya leoto ka moeaho tjheka masoba a bataletseng kapa a sekametseng masobeng a manyane. Y20LY rock drill ke drill e ntle ka ho fetisisa ya lefika le bobebe ka lebaka la tshebediso ya yona e nyane ya kgase, boima bo bobebe, torque e kgolo le sebopeho se bonolo. E ka sebediswa ka compressor e nyane ya moya mme e bonolo ho e sebedisa le ho e hlokomela.

Likaroloana:
1. E na le litšobotsi tsa tšebeliso e tlase ea moea, boima bo bobebe, torque e phahameng, le sebopeho se bonolo.
2. E sebelisoa haholo bakeng sa ho cheka, ho phatloha ha bobeli le mesebetsi e meng merafong e menyenyane, kaho ea litsela tse lithaba, literene, paballo ea metsi le merero e meng.
3. Sebelisa le li-compressor tsa moea tsa limithara tse 1.5 tsa li-cubic kapa ho feta.

Y20LY drill ea lefika e tšoaroang ka letsoho ke mofuta oa mochini o bobebe le o sebetsang oa ho cheka lefika.

E khona ho etsoa ka ho tjheka ka metsi le ka omileng tlas'a mafika a mahareng le a thata (f=8-18)；

E ka phunya ho ya tlase ka letsoho ho ya ho leba ho rapameng kapa ho sekametseng;

E ka bapisoa le FT100 air leg le FY200B oli e fepelang ho etsa mesebetsi ea ho cheka merafong e fapaneng, liemahaleng, kaho ea motse-moholo oa masimo, ho phatloha ha litsela tsa kaho libakeng tsa lithaba kapa merero e meng.