Ro-chùram airson dubhan a chleachdadh gu sàbhailte

1. Tha andubhan should be manufactured by a formal professional factory in accordance with the technical conditions and safety specifications of the dubhan, and the product should have the quality certificate of the manufacturer, otherwise it is not allowed to be used.
2. The new dubhan should be subjected to a load test, and the opening of the measuring dubhan should not exceed 0.25% of the original opening.
3.During use, check whether the dubhan is cracked or severely deformed, corroded and worn.
4. Chaidh andubhanbu chòir a dhearbhadh uair sa bhliadhna. Rè an deuchainn, dèan deuchainn statach de 1.25 uair an eallach obrach ceadaichte airson 10 mionaidean, agus thoir sùil le glainne meudachaidh no dòighean eile. Cha bu chòir sgàinidhean, sgàinidhean agus deformachadh a tha air fhàgail.
5. Bu chòir na trì earrannan cunnartach a ghlanadh le kerosene. Cleachd glainne meudachaidh gus faicinn a bheil sgàinidhean ann. Airson truinnseardubhans, thoir sùil air na bushings agus na prìnichean airson caitheamh.
6. Defects on the dubhan shall not be repaired.