1. Kev tu txhua hnub thiab kev txij nkawm ntawm lub freezer tas mus li tseem ceeb heev kom ntseeg tau kev huv thiab siv sijhawm ntev. Yog tias sab hauv lub tshuab tsis huv, yuav ua kom cov mis nyuj khov muaj cov teeb meem txawv teb chaws lossis tsw.
2. Ua ntej cov dej khov ua kua sib xyaw nkag mus rau cov tshuab luam ntawv txuas ntxiv, nws yuav tsum tau sib xyaw ua ke thiab txwv tsis pub cov xim ntawm cov khoom khov nab kuab yuav ua tsis tau.
3. Feem ntau, vim tsis muaj cov nyhuv ntawm lubricating ntawm cov roj, cov khoom siv dej khov muaj cov ntoo khov kho rau ntawm lub twj tso kua mis thiab txawm tias lub tog raj kub khov. Yog li ntawd, cov neeg siv uas tsim cov dej khov dej nab kuab yuav tsum tau ua kom haum rau cov khoom noj kom tsis tu ncua, txhawm rau txhawm rau txhawm rau txhawm rau ua kom muaj kev sib xyaw nrog cov hnav thiab kua muag ntawm qhov chaw spare.
Hauv ib lo lus, thaum siv lub ntsuas pa tshab rau cov mis nyuj khov, nws yog qhov tsim nyog los nyeem ntawv qhia kom zoo, thiab ua kom huv si kom ntseeg tau tias yog cov khoom lag luam khov thiab saj cov khoom lag luam khov. Los ntawm txoj kev, dua ib qho tseem ceeb yuav tsum xaiv qhov zoo cua txias txias compressor, lub tog raj kheej, diav, tshuab, thiab cov txheej txheem ruaj khov. Yog tias koj muaj teeb meem, nws yog qhov tsim nyog yuav tau hu rau cov chaw tsim khoom hauv lub sijhawm thiab kev ntsuas kom daws tau nws.