Yog tias txoj saw maus taus khi tas, yuav tsis muaj suab nrov

Yog tias cov saw xoob dhau los yog ib yam nkaus nruj, thiab cov laug thiab txoj cai tsis raug, tej zaum yuav muaj suab. Tshaj tawm rau sab laug thiab sab xis ntawm txoj saw. Cov ntsuas teev ntawm sab laug thiab txoj cai kho saw rau ntawm lub tsheb txuas tom qab yog qhov tseeb. Cov nplai sab laug thiab sab nrauv tuaj yeem ua tau zoo ib yam. Cov saw hlau yog nruj kom nws siab thiab nqis. Tus nqi ntawm cov haujlwm yog nyob hauv 25 hli, tsis yog xoob lossis tsis dhau nruj. Tsis tas li ntawd xwb, vim hais tias cov xwm txheej tsis txaus ntseeg ntawm cov saw tshiab tau hloov kho thiab tus sprocket tau hloov pauv, qee zaum txawm tias cov saw nruj thiab sab laug thiab sab xis zoo ib yam, yuav muaj qee lub suab tsis tom qab hloov kho. Qhov no yog qhov qub. Nws yog qhov zoo rau caij rau ob peb hnub. Tsis tas li, tshawb xyuas cov saw hlau vim tsis muaj roj.