Hauv kev saib xyuas yooj yim thiab kho cov tiaj tiaj trailer chaw tsim tshuaj paus' s cov khoom lag luam, ntxiv rau qhov hloov pauv ntawm qee ntu, qee qhov chaw yuav tsum tau kuaj xyuas tsis tu ncua, xws li lub nres disc, nres pad, tus kav dej nres, lub pob pas nrig. kev sib koom ua ke, kev co tsaj plhaw, thiab lwm yam, thiab qee qhov khoom siv roj hmab, xws li lub log tsheb sib tsoo, lub npas pob tawb plua plav npog, sab sauv thiab sab caj npab roj hmab tsis ua haujlwm ntawm cov ntu vim kev hnav lossis kev laus yuav ua rau muaj kev phom sij rau kev tsav tsheb. Yog li, peb yuav tsum ua tib zoo saib xyuas cov ntu ntawm lub chassis thaum tab tom ua kev txij nkawm.
Nws yuav tsum raug sau tseg tias thaum feem ntau ntawm lub chassis puas ntsoog, suab nrov txawv txav yuav tshwm sim thaum tsav tsheb lossis thaum tsoo. Nws tau hais tias yog peb cov phooj ywg tsav tsheb hnov cov suab nrov tsis zoo no, lawv yuav tsum nrhiav qhov chaw thiab ua rau sai li sai tau, thiab kho lawv kom sai li sai tau raws li qhov xwm txheej, yog li los xyuas kom meej tias yuav tsis muaj teeb meem hauv kev tsav tsheb Cov.
