1. Thaum lub sijhawm tsim khoom, qhov kub thiab txias ntawm cov kabmob yuav tsum tau kuaj xyuas ntau zaus. Thaum qhov kub nce siab tshaj 50 degree, lub tshuab yuav tsum tau nres rau kev tshuaj ntsuam xyuas kom paub qhov ua rau thiab tshem tawm qhov txhaum.
2. Thaum lub tshuab tshiab khiav, txoj siv hlua kis tau yooj yim rau ncab. Ua tib zoo saib xyuas qhov nruj nruj ntawm txoj siv kom paub meej lub neej ua haujlwm ntawm txoj siv.
3. Cov khoom siv yuav tsum tau tshuaj xyuas ntau zaus thiab hloov lub sijhawm kom ntseeg tau tias cov khoom tsim tau zoo thiab ntim ntau lawm.
4. Cov hniav thiab cov liner yuav tsum tau kuaj xyuas kom hnav tsis tu ncua. Yog tias nws hnav, qhov tsim tau yuav txo qis, thiab qhov loj me me yuav ua tuab dua thiab yuav raug hloov tom qab hnav.
5. Lub tshuab tseem ceeb thiab graded flow bearings yog greased, siv No. 2 tshwj xeeb grease, degree 265-295.
6. Lub sijhawm hloov roj ntawm cov kabmob yog 2000 teev. Qhov ntim ntawm cov roj yog 1/2 ( ntsuas sab sauv) lossis 3/4 ( ntsuas qis) hauv cov kab noj hniav. Tsis txhob overfill lub roj los yog nws yuav ua rau cov kabmob kub. siab dhau lawm.
7. Cov ntsia hlau feeder muaj lub sijhawm hloov roj ntawm 4000 teev, ntxiv rau cov roj calcium uas zoo tib yam.