1. Tig lub handwheel counterclockwise kom nres lub koob ntawm qhov chaw siab tshaj. (Yog hais tias rab koob txoj hauj lwm twb nyob rau hauv txoj hauj lwm sab sauv, tsis tas yuav tig nws.)
2. Loosen rab koob clamp ntsia hlau nrog sab tes xis (tig lub ntsia hlau counterclockwise).
3. Tshem tus thawj koob nrog koj sab laug tes. (Cov Lus Qhia: Koj tuaj yeem muab ib daim ntawv me me lossis daim ntaub tso rau saum lub qhov koob ntawm lub koob phaj ua ntej, yog li ntawd yog tias rab koob tsis tuav, nws yuav tsis poob rau hauv rab koob qhov ntawm rab koob phaj.)
4. Muab lub dav hlau shank ntawm rab koob tshiab rov qab, ntxig rau hauv rab koob groove ntawm rab koob bar, thiab thawb nws mus rau qhov kawg.
