Cov teeb meem dab tsi yuav tsum tau them sai sai thaum siv cov tshuaj pwm?
Thaum hno cov yas txhaj tshuaj nrog pwm yas, cov ntsiab lus hauv qab no yuav tsum tau them nyiaj rau:
1) lub pwm yuav tsum tau muab ntxuav ua ntej txhaj tshuaj, thiaj li ua kom pwm ntxuav thiab dawb ntawm cov khoom txawv teb chaws.
2) Thaum siv cov pwm, cov zawv zawg thiab txav ntawm yuav tsum tau lubricated periodically, xws li cov ntawv qhia kev cob qhia thiab daim ntawv tsho npog.
3) Tom qab muab cov pwm tshem tawm lawm, nws tsis yooj yim tshem cov pwm thiab cov khoom seem yas. Tsis txhob siv cov hlau mus ua khoom plig, tab sis ua tib zoo tshem tawm qhov seem nrog cov cuab yeej ntoo.
4) ua qhov kev soj ntsuam tom qab pwm ua haujlwm.














