Varnostni ukrepi za varno uporabo trnkov

1. Thekljuka should be manufactured by a formal professional factory in accordance with the technical conditions and safety specifications of the kljuka, and the product should have the quality certificate of the manufacturer, otherwise it is not allowed to be used.
2. The new kljuka should be subjected to a load test, and the opening of the measuring kljuka should not exceed 0.25% of the original opening.
3.During use, check whether the kljuka is cracked or severely deformed, corroded and worn.
4. Thekljukaje treba testirati enkrat letno. Med preskusom 10 minut izvedite statični preskus, ki 1,25 -krat presega dovoljeno delovno obremenitev, in preverite s povečevalnim steklom ali drugimi metodami. Ne sme biti razpok, razpok in preostalih deformacij.
5. Tri nevarne odseke je treba očistiti s petrolejem. S povečevalnim steklom preverite, ali so razpoke. Za ploščokljukas, preverite obrabljenost puš in zatičev.
6. Defects on the kljuka shall not be repaired.