Document ppk29R0OOk22ggQKMv4GE1RqX

g. Each welder is responsible for contain ing sparks and slag and or removing combustibles to prevent fire. h. A 4-pound, or larger, dry chemical fire extinguisher must be within 30 feet of any welding, burning, or open-flame work. Be sure you know how to operate the fire extinguisher. I. Hoses and welding leads should not be run through doorways. If necessary, protect them from damage. 2. Welding (Electric) a. All work must have a separate and adequate ground. The ground lead must be pulled from the machine to the work location. b. Do not leave a rod in the electrode holder when you lay it down. Put stub ends in proper container -- not on the floor. c. AH arcs should be shielded in operating areas. d. You are responsible for turning your machine off at the end of your shift. e. An approved welding helmet must be worn. Use no less than a#10 filter plate, with a safety plate on both sides of the filter plate. f. Never do electric welding from a metal ladder. 30 DUP 0911234 3. Burning (fins' a. Before connecting regulators to ____ cylinders, carefully open the cylinder valve a crack to blow HRBlHs out any foreign particles. After regulator is connected, stand to one aide of gauge white the cyl inder valve is opened. Open cylinder valve slowly. b. Be certain second stage of regulator is dosed before opening the cylinder valve. c. Open valves on fuel gas cylinders (pro pane, acetylene, natural gas) 1/4 turn only. Open oxygen cylinder valves wide open. Valve wrench must be kept in place during use. d. Do not exceed 15 psi on the torch side of the gauge when using acetylene. e. When lighting a torch, open the fuel gas valve on the torch before opening the oxygen valve. Use an approved spark lighter. Do not use matches or cigarettes to light a torch. f. All burning rigs must be broken down at the end of the shift, with regulators removed and protective cape screwed down hand tight. g. Compressed gas cylinders must be tied oil vertically to an adequate support while in storage, transit, or use. h. Keep oil and grease away from oxygen regulators, hoee and fittings. Do not store wrenches, dies, cutters, or other grease-covered tools' in the same com partment with oxygen equipment. 31 I ' -3Ii