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2.5 Prevent fire, explosion, burns and injury caused by heated workpiece, spatters, slag,
and arc sparks right after welding as described below.
WARNING
1) KEEP FLAMMBLE MATERIALES out of the robotic cell.
2) Welders should wear appropriate protection such as flameproof leather gloves, work clothes with long
sleeves, a leg cover, a flameproof leather apron in order to prevent burns caused by touching heated
workpiece, spatters, slag and arc sparks right after welding..
3) WATCH for fire.
4) Have a fire extinguisher nearby. Operators should know how to use it.
5) DO NOT touch heated workpiece and peripheral jigs with inflammables such as a piece of wood or cloth.
Doing so might cause not only a fire but also burns.
6) DO NOT put heated workpiece close to inflammables right after welding.
7) Remove inflammables from the place where welding is carried out so that spatters and slag will not
strike them.
8) Do not use inflammable gases near the welding sight.
9) Tighten and insulate the cable connections completely.
10) Connect the cables on the workpiece side as close to the welding area as possible to prevent the welding
current from traveling along unknown paths and causing electric shock and fire hazards.
11) A gas pipe with gas sealed in, an airtight tank and a pipe must not be welded because they might
explode.
12) NEVER do welding on inflammables such as a piece of wood or cloth.
13) When welding a large-size structure such as a ceiling, floor, wall, etc., remove any inflammables hidden
behind a workpiece.
● Do not weld near flammable materials.
● Watch for fire: keep a fire extinguisher nearby.
● NEVER do welding on inflammables such as a piece of wood or cloth.
● Do not weld on closed containers.
● Heated workpiece, spatters, slag and arc sparks right after welding
may cause fire.
● Incomplete cable connections, incomplete contacts in the current
circuit of the workpiece such as steel frames may cause a fire due to
the heat generated when powered.
● Arc generated on containers of inflammables such as gasoline may
cause an explosion.
● Welding of airtight tanks and pipes may cause a bursting.
● Touching a heated workpiece, spatters, slag or arc sparks will
cause a serious burn.
−S4−
(continued)