Power Fist 8598195 Manuel D'utilisateur page 8

8598195
that do not provide ventilation or erect protective screens in front of them
when possible.
4. Avoid welding near hydraulic lines or containers containing flammable contents.
5. Do not perform any welding work on containers that held flammable or
toxic substance until they are cleaned by a person trained in removing
toxic and flammable substances and vapours per the American Welding
Standard AWS F4.1.
6. Open a container before performing any welding work on it. The heat
generated by the welding process will cause the air and gases to expand.
The internal pressure may cause a sealed or closed container to rupture,
possibly causing an injury or death.
7. Use a heat shield behind pipes when thawing them with the torch.
8. Do not weld pipes or metal that are covered in combustible material or in
contact with combustible structure such as a wall. Only weld if the
covering can be safely removed.
a. Follow all safety precautions and legal requirements before welding a
workpiece that contains Asbestos or attempting to remove the
Asbestos covering. This requires expert knowledge and equipment.
b. Molten slag can run down the inside and outside of a pipe and start a
fire. Be aware where the pipe terminates and take precautions.
9. Do not weld a panel that is a sandwich construction of combustible and
metal materials.
10. Have a fire extinguisher available for immediate use. A dry chemical fire
extinguisher for Types A, B and C is suggested.
11. Ventilation systems should be positioned so sparks or molten slag isn't
carried to an adjacent area.
12. Have a Fire Watcher observing areas outside of the welder's view, such as
the opposite side of a wall or behind the welder. A fire may also start on the
other side of a structure that could not be removed. The Fire Watcher will
extinguish a fire or raise the alarm to evacuate if the fire cannot be
contained by the extinguishing equipment.
a. A fire watch extends at least 30 minutes after the welding is complete to
ensure there are no fires caused by smoldering sparks or ejected material.
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Cutting, Welding and Brazing Hose Torch
For technical questions call 1-800-665-8685
V4.0