1. Iivelufa yombane ye actuatorkufuneka igcinwe kwigumbi elomileyo nelingena umoya, kwaye amacandelo amabini omzimba wevalvu kufuneka avalelwe.

2. Ukugcinwa kwexesha elide leevalve zombane kufuneka kuhlolwe rhoqo ukuze kususwe ukungcola kwaye kusetyenziswe ioli echasene ne-rust kwindawo yokucubungula.

3. Emva kofakelo, kufuneka ihlolwe rhoqo, izinto zokuhlola eziphambili:

(1)Jonga ukuba umphezulu wokutywina ulungile ngokupheleleyo

(2)Emva kokuhlanganiswa, ivalve kufuneka ivavanyelwe ukusebenza kokutywinwa.

(3)Jonga umonakalo wesiqu kunye nesiqu sesivalo.Ukuba kukho umonakalo, yibuyisele ngexesha.

(4)Khangela ukuba ukupakisha kuphelelwe lixesha, kwaye uyibuyisele ukuba yonakele.