1. Cov muaj pes tsawg leeg ntawm cov roj hmab O-ring burrs nce kev noj roj hmab thiab nce nqi ntau lawm. Nyob rau tib lub sijhawm, nws yog qhov pov tseg ntawm peev thiab muaj peev xwm ua paug rau ib puag ncig.
2. Kev kho cov roj hmab O-ring burrs, tshwj xeeb tshaj yog kev kho, pom tseeb thiab ua rau muaj kev cuam tshuam loj heev rau qhov pom zoo ntawm cov khoom tiav, yog li txo cov nqi lag luam ntawm cov khoom tiav. Raws li cov lus hais mus:"" Cov khoom muag ib daim tawv nqaij"", qhov no yog qhov tseeb. Cov burrs ntawm cov roj hmab O-rings tshem tawm los ntawm kev kho muaj cov cim sib txawv thiab cov khoom seem sib txawv, uas cuam tshuam ncaj qha rau lub tuam txhab' cov duab hauv qhov muag ntawm cov neeg siv khoom thiab ua rau lub tuam txhab poob nws cov kev sib tw hauv kev ua lag luam.
3. Kev npaj ua tiav cov roj hmab O-rings feem ntau tsis tso cai rau burrs, thiab nws yog ib qho tsim nyog los kho lawv los ntawm kev xav ntawm cov kev xav tau zoo. Kev tshem tawm cov burrs yuav tsum muaj ntau tus neeg ua haujlwm thiab qhov chaw, uas zoo dua ntxiv cov txheej txheem thiab ua kom lub voj voog ntau lawm. Los ntawm kev pom kev lag luam, kev kho cov roj hmab O-ring burrs nce nqi ntau lawm.
4. Cov muaj pes tsawg leeg ntawm burrs hloov lub sealing nplai ntawm cov khoom tiav, uas cuam tshuam rau ib feem ntawm kev ua haujlwm ntawm cov roj hmab O-ring tiav cov khoom (tshwj xeeb tshaj yog rau txhua yam ntawm cov khoom ntim nrog nruj nruj).