(1) cov hlua hlua hlua yuav tsum ruaj khov nyob rau hauv cov hoob kawm ntawm lub lag luam, thiab yuav tsum tsis pub dhau lub lag luam ua haujlwm, yog li ntawd kom tsis txhob cuam tshuam kev thauj;
(2) kev tswj cov hlau hlua hauv kev siv ua muaj coated nrog cov roj txaus, tab sis tom qab khiav, roj yuav maj mam txo, thiab cov hlau hlau hlua av plua plav, av thiab lwm yam khib nyiab yuav ua rau, xaim hlua thiab hlua hlau hlua log hnav thiab xeb, yog li ntawd, yuav tsum tau muab ntxuav tas mus li thiab rov npaj. Ib txoj kev yooj yim yog siv cov xaim hlau txhuam thiab lwm cov khoom siv coj los tshem tawm cov plua plav tawm ntawm cov hlau xaim hlua, cov xaim hlua roj yog rhuab los sis khwv yaj ntawm lub xaim hlua, tab sis kuj tsis muaj daim 30 los sis No. 40 roj txau ntawm cov hlau xaim hlua, tab sis tsis txhob tsuag ntau dhau thiab tsis zoo rau qhov chaw;
(3) txheeb xyuas cov ntaub ntawv ntawm kev siv hlua hlua yuav tsum tau soj ntsuam ua ntu zus thiab sau tseg, txheeb xyuas cov ntsiab lus ntxiv nrog rau kev tu nkev, yuav tsum yog qhov degree, tawg hlau, sib tsoo, ntiv nplhaib, thiab qhov ntsuas ntawm corrosion ntawm lubricating groove hnav cov khoom hnav cov hlua ntawm cov hlua hlau hlua. Kev hloov tsis tau zoo yuav tsum tau kho lossis hloov nyob rau lub sijhawm.
