Cov ntsiab lus uas yuav tsum tau them sai sai rau hauv kev teeb tsa cov kav dej: Ua ntej txhim kho cov kav dej, ua ntej xam cov khoom siv kwv yees, thiab tom qab ntawd yuav cov ntaub ntawv xav tau los txhim kho cov kav dej, kom tsis txhob muaj qhov xwm txheej ntawm kev yuav khoom ntxiv. los yog cov ntaub ntawv tsawg dua, ua rau cov khoom pov tseg lossis tsis muaj cov khoom siv, yog li cuam tshuam rau kev txhim kho cov kav dej; yog tias nws yog kev kho dua tshiab ntawm cov tsev thib ob lossis kev kho dua tshiab ntawm cov tsev qub, feem ntau ntawm cov kav dej qub raug puas tsuaj. Lub sijhawm no, tsis txhob yig tau ntxiv thiab hloov cov kav dej tshiab kom txiav txim siab. Txawm li cas los xij, tom qab cov kav dej tau teeb tsa, nws tsis yooj yim los nqa tawm hauv qee qhov chaw. Hloov, yog li tsis txhob disassemble cov yeeb nkab dej los ntawm koj tus kheej, qhov no xav tau kev saib xyuas ntxiv; ua ntej txhim kho cov yeeb nkab dej, koj yuav tsum tau kuaj xyuas cov yeeb nkab dej thiab lwm yam khoom siv uas yuav tsum tau ua rau kev teeb tsa kom pom tias muaj teeb meem xws li kev xau thiab kev puas tsuaj, thiab kev sib txuas ntawm cov yeeb nkab dej thiab txhua yam khoom siv yuav tsum yog ruaj, thiab tom qab ntawd nruab nws tom qab paub tseeb tias nws yog lawm; thaum txhim kho cov kav dej, nws raug nquahu kom mus rau saum. Yog tias cov kav dej nkag mus rau hauv av, thaum cov dej xau tshwm sim, nws tuaj yeem nrhiav tsis tau nyob rau lub sijhawm, thiab nws nyuaj rau nrhiav pom qhov twg cov dej xau yog thaum cov kav dej faus. . Txawm hais tias tus nqi installation ntawm cov kav dej saum toj kawg nkaus yuav siab dua, nws yog qhov tsim nyog rau lub sijhawm ntev. Txawm hais tias muaj cov dej ntws los, nws tuaj yeem tshawb pom thiab kho kom haum rau lub sijhawm kom txo tau qhov poob.
