WÄRTSILÄ VASA 6L32, Instruction Manual

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00B. Welding Precautions
00B.1 General Precautions
00B.1.1 Welding safety
Before start welding, it is important to read welding safety instruc-
tions and that the welder is instructed on its safe use by a qualified
teacher or welder.
00B.1.1.1
Hazards and precautions
Electrical shock can kill
·
Insulate welder from workpiece and ground using dry insulation.
Rubber mat or dry wood.
·
Wear dry, hole-free gloves. (Change as necessary to keep dry.)
·
Do not touch electrically “hot” parts or electrode with bare skin or
wet clothing.
·
If wet area and welder cannot be insulated from workpiece with dry
insulation, use a semiautomatic, constant-voltage welder or stick
welder with voltage reducing device.
·
Keep electrode holder and cable insulation in good condition. Do not
use if insulation is damaged or missing.
Fumes and gases can be dangerous
· Use ventilation or exhaust to keep air breathing zone clear, comfort-
able.
·
Use helmet and positioning of head to minimize fume in breathing
zone.
·
Read warnings on electrode container and material safety data
sheet (MSDS) for electrode.
·
Provide additional ventilation/exhaust where special ventilation re-
quirements exist.
· Use special care when welding in a confined area.
·
Do not weld unless ventilation is adequate.
Welding sparks can cause fire or explosion
·
Do not weld on containers which have held combustible materials.
Check before welding.
· Remove flammable materials from welding area or shield from
sparks, heat.
·
Keep a fire watch in area during and after welding.
·
Keep a fire extinguisher in the welding area.
·
Wear fire retardant clothing and hat. Use earplugs when welding
overhead.
200640 Welding Precautions Appendix B
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