1. Ua ntej pib lub grinder, tshawb xyuas tias lub tshuab cov khoom siv tiv thaiv thiab rov qab hloov rau ntau yam kev ua tau raug muab hloov kho kom raug thiab ruaj ntseg.
2. Lub hau tiv thaiv yuav tsum tau npog tsawg kawg ib nrab ntawm txoj kab uas hla ntawm cov log sib tsoo.
3. Tom qab cov log sib tsoo yog ntsia rau ntawm grinder cov ntxaiv, nws yuav tsum yog idling rau tsawg kawg 5 feeb.
4. Tsis txhob siv lub ntsej muag kawg ntawm kev sib tsoo log rau kev sib tsoo tshwj tsis yog tias nws tau tsim tshwj xeeb rau kev ua haujlwm ntsej muag kawg.
5. Tsis txhob siv txoj hlua khi kom thawb lub workpiece kom nce siab rau kev sib tsoo lub sijhawm thaum sib tsoo.
6. Thaum sib tsoo lossis hnav khaub ncaws lub log, ua kom cov nqi tsim nyog ntawm kev txiav. Kev txiav ntau dhau tau yooj yim tsoo cov kev sib tsoo lossis kev puas tsuaj lub tshuab cuab yeej. Siv cov cuab yeej hnav tshwj xeeb kom hnav cov log sib tsoo.
7. Kaw lub txias txias ua ntej lub cav sib tsoo nres nres kom tsis txhob cuam tshuam lub log sib npaug.
8. Tsis txhob siv cov kua dej sib tsoo uas raug rhuav tshem mus rau cov kev sib cais.
