(1) Cov fasteners tshiab yuav tsum muaj cov ntawv tso cai ntau dua, cov ntaub ntawv pov thawj khoom zoo, S thiab soj ntsuam cov ntawv ceeb toom.
Cov tshuaj ntsuam xyuas zoo ntawm cov qia nrov qub yuav tsum tau nqa tawm ua ntej siv. Cov uas muaj cov kab nrib pleb thiab deformation yog nruj me ntsis txwv tsis pub siv. Cov bolts nrog nplua xov yuav tsum tau hloov. Ob qho tib si tshiab thiab qub fasteners yuav tsum tau kho nrog kev kho xeb xeb. Mob siab rau corroded fasteners thiab cov fastenes puas yuav tsum tau kho thiab hloov lub sijhawm. Oiling cov bolts ua kom yooj yim siv.
(2) Qhov haum saum npoo ntawm lub khawm hluav taws xob thiab cov yeeb nkab steel yuav tsum muaj kev sib cuag. Thaum lub fastenerer clamps tus yeeb nkab steel, qhov tsawg kawg nkaus ntawm kev qhib yuav tsum tsawg dua 5 hli. Lub fasteners siv yuav tsum tsis txhob puas thaum lub pob ntsia hlau zawm mus txog 65n.m.
Lub sijhawm Post: Sep-08-2022