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Precauções de saúde e segurança

Health and Safety Precautions

Oficina · página 49 de 1428 · 100-00-44 · parte 7 de 13

Página 49 do Manual de Oficina: Precauções de saúde e segurança
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General Information 100-00-44 100-00-44 DESCRIPTION AND OPERATION Gross or prolonged skin contact with high boiling point gas oils may also cause serious skin disorders including skin cancer. Kerosene (Paraffin) Used also as heating fuel, solvent and cleaning agent. Flammable - observe No Smoking policy. Irritation of the mouth and throat may result from swallowing. The main hazard from swallowing arises if liquid aspiration into the lungs occurs. Liquid contact dries the skin and can cause irritation or dermatitis. Splashes in the eye may be slightly irritating. In normal circumstances the low volatility does not give rise to harmful vapors. Exposure to mists and vapors from kerosene at elevated temperature should be avoided (mists may arise in dewaxing). Avoid skin and eye contact and make sure there is adequate ventilation. Alternative Fuel Highly flammable. Observe ``NO SMOKING" signs. Make sure there is adequate ventilation when working on alternative fuelled vehicles. Great care must be taken to avoid the serious consequences of inhalation in the event of vapor build up in confined spaces. Inhalation in high concentrations may cause dizziness, headache, nausea and loss of co-ordination. Very high concentrations may result in loss of consciousness. Contact with liquefied petroleum gas (LPG) or compressed natural gas (CNG) to the skin may cause cold burns and frost bite. Long sleeved cotton overalls, steel toe capped safety boots and rubber neoprene gloves should be worn during removal and installation of LPG/CNG fuel system components. LPG/CNG fuel leaks could cause a fire and be a hazard to health that can lead to personal injury, illness or even death. If a leak is detected, under no circumstances attempt to seal the leak by tightening the union/connection until the fuel in the system or component is depressurized. Once tightened the system should be checked for integrity following the specified procedures. If the fuel tank is to be removed for service or repair the fuel must be evacuated using dedicated equipment and following the specified procedures. Gas Cylinders See also Fire. Gases such as oxygen, acetylene, argon and propane are normally stored in cylinders at pressures of up to 138 bar (2000 psi) and great care should be taken in handling these cylinders to avoid mechanical damage to them or to the valve gear attached. The contents of each cylinder should be clearly identified by appropriate markings. Cylinders should be stored in well-ventilated enclosures, and protected from ice and snow, or direct sunlight. Fuel gases, for example acetylene and propane, should not be stored in close proximity to oxygen cylinders. Care should be exercised to prevent leaks from gas cylinders and lines, and to avoid sources of ignition. Only trained personnel should undertake work involving gas cylinders. Gases See Gas Cylinders. Gaskets (Fluoroelastomer) See Viton. General Workshop Tools and Equipment It is essential that all tools and equipment are maintained in good condition and that the correct safety equipment is used where required. Never use tools or equipment for any purpose other than that for which they were designed. Never overload equipment such as hoists, jacks, axle and chassis stands or lifting slings. Damage caused by overloading is not always immediately apparent and may result in a fatal failure the next time that the equipment is used. Do not use damaged or defective tools or equipment, particularly high-speed equipment such as grinding wheels. A damaged grinding wheel can