Intambwe ya mbere
■ Kangura witonze utubuto tune tw’icyuma ku gice cy’igikoresho nk’uko bigaragara kuri figA, kugira ngo wirinde impinduka nyinshi mu buryo bukurikira.
Ibikoresho byo gufunga bigomba gukorwa mu buryo bwa diagonal kugira ngo bibe byakururwa inyuma icyarimwe.
Intambwe ya kabiri
■ Guhindura vis 4 zo guhindura radial nkuko bigaragara kuri figB.
"Ahantu hirengeye" hazagaragara iyo ugenzuye ko umugozi urimo gufunga. Kangura witonze vis yo guhuza imirasire iri hafi kugira ngo usunikira vis yo guhuza igikoresho kugira ngo ugende neza kandi ukore coaxiality.
Intambwe ya gatatu
■ Dukurikije aho icyuma giherereye hagaragara nk'uko bigaragara ku ishusho ya C, "ahantu hirengeye" hazaboneka.
Niba igikoresho gifite icyuma kinini, vis zigomba gukazwa kugira ngo coaxiality ikosorwe nkuko bigaragara kuri figD.
Kugeza igihe igisubizo cyo guhindura gihuye n'ibisabwa, komeza vis mu buryo bwa diagonal nkuko bigaragara kuri figA.