Smith Little Torch Owner's Manual page 6

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Perform work only in an area with a fireproof floor (concrete). Do
not heat concrete because it may expand and explode violently.
D
Perform work on a fireproof surface. Use heat resistant shields to
protect nearby walls and flooring.
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Do not use if grease or oil is present on equipment or if equipment is
damaged. Have equipment cleaned/repaired by a qualified per-
son.
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Do not open a cylinder valve quickly or the regulator may be dam-
aged and cause a fire.
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Do not open acetylene cylinder valve more than 3/4 turn. (For all
gases except acetylene, open cylinder valve fully to backseal the
cylinder valve.) Keep cylinder wrench on the cylinder for quick
shut-off.
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Do not slightly open or "crack" acetylene cylinder valve to blow
debris from the valve outlet. Remove the debris using nitrogen, air,
or a clean, oil-free rag.
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Always purge gas from the system before lighting torch. Purge gas
in a well-ventilated area and away from flame or sparks.
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Keep torch flame or sparks away from cylinder, regulator, and gas
hose.
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Use only the gases recommended by the manufacturer of the
oxy-fuel equipment being used.
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Never light a torch with matches or a lighter. Always use a striker.
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Do not use acetylene above 15 psi (103 kPa) flowing. It is accept-
able to use acetylene regulators that indicate a static pressure up
to 22 psi (151 kPa).
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Check oxy-fuel system for leaks with an approved leak detection
solution or leak detector. Never test for gas leaks with a flame.
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Remove all flammables within 35 ft (10.7 m) of the welding or cut-
ting operation. If this is not possible, tightly cover them with ap-
proved covers.
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Do not weld or cut where flying sparks can strike flammable
material.
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Protect yourself and others from flying sparks and hot metal.
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Be alert that welding and cutting sparks and hot materials from
welding and cutting can easily go through small cracks and open-
ings to adjacent areas.
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Watch for fire, and keep a fire extinguisher nearby.
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Be aware that welding or cutting on a ceiling, floor, bulkhead, or
partition can cause fire on the hidden side.
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Do not weld or cut on containers that have held combustibles, or on
closed containers such as tanks, drums, or pipes unless they are
properly prepared according to AWS F4.1 and AWS A6.0 (see
Safety Standards).
D
Do not weld or cut where the atmosphere may contain flammable
dust, gas, or liquid vapors (such as gasoline).
D
Wear oil-free protective garments such as leather gloves, heavy
shirt, cuffless trousers, high shoes, and a cap.
D
Do not use fuel gases to clean clothes or work area.
D
Remove any combustibles, such as a butane lighter or matches,
from your person before doing any welding or cutting.
D
After completion of work, inspect area to ensure it is free of sparks,
glowing embers, and flames.
D
Follow requirements in OSHA 1910.252 (a) (2) (iv) and NFPA 51B
for hot work and have a fire watcher and extinguisher nearby.
OM-263 357 Page 4