What are the useful life of electric power helmets and what tests should be done?
When the helmet is subjected to greater impact in use, the helmet or the damaged cap shall be stopped when no obvious breakage or deformation has been found in the cap. The use of a safety helmet shall not exceed three years.
According to the size of the user's head, adjust the length of the cap hoop to its proper position (tightness). Steeplejacks wear safety helmet, with chin strap and neck hoop and should be fast, to prevent slipping and took off his hat.
Before wearing helmets, should check the parts without damage, the assembly is firm, whether the adjustment part of cap liner locking, Jack is reliable, whether the tight rope between the lining and the cap, if the cap shell distance between 25~50mm, with a top rope shall be adjusted to the required range. Make sure all parts are in good condition before use.
General electric safety helmet shall be used for no more than three years.
Safety helmet should not be stored at pH, high temperature (above 50 DEG C), direct sunlight, damp and so on, avoiding heavy object extrusion or piercing.5., the cap shell and the liner can be washed with cold water and warm water (less than 50 degrees Celsius). Can not be placed on the radiator baking, to prevent deformation of the cap shell.