Yeswelder YWM-211P, Руководство оператора

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SAFETY
WELDING AND CUTTING
SPARKS CAN CAUSE
FIRE OR EXPLOSION.
6.a. Remove fire hazards from the welding area. If this is not
possible, cover them to prevent the welding sparks from
starting a fire. Remember that welding sparks and hot ma-
terials from welding can easily go through small cracks
and openings to adjacent areas. Avoid welding near hy-
draulic lines. Have a fire extinguisher readily available.
6.b. Where compressed gases are to be used at the job site,
special precautions should be used to prevent hazardous
situations. Refer to “Safety in Welding and Cutting” (ANSI
Standard Z49.1) and the operating information for the
equipment being used.
6.c. When not welding, make certain no part of the electrode cir-
cuit is touching the work or ground. Accidental contact can
cause overheating and create a fire hazard.
6.d. Do not heat, cut or weld tanks, drums or containers until
the proper steps have been taken to insure that such pro-
cedures will not cause flammable or toxic vapors from sub-
stances inside. They can cause an explosion even though
they have been “cleaned”. For information, purchase “Rec-
ommended Safe Practices for the Preparation for Welding
and Cutting of Containers and Piping That Have Held Haz-
ardous Substances”, AWS F4.1 from the American Weld-
ing Society (see address above).
6.e. Vent hollow castings or containers before heating, cutting
or welding. They may explode.
6.f. Sparks and spatter are thrown from the welding arc. Wear
oil free protective garments such as leather gloves, heavy
shirt, cuffless trousers, high shoes and a cap over your
hair. Wear ear plugs when welding out of position or in con-
fined places. Always wear safety glasses with side shields
when in a welding area.
6.g. Connect the work cable to the work as close to the welding
area as practical. Work cables connected to the building
framework or other locations away from the welding area
increase the possibility of the welding current passing
through lifting chains, crane cables or other alternate cir-
cuits. This can create fire hazards or overheat lifting chains
or cables until they fail.
6.h. Also see item 1.c.
6.I. Read and follow NFPA 51B “Standard for Fire Prevention
During Welding, Cutting and Other Hot Work”, available
from NFPA, 1 Batterymarch Park, PO box 9101, Quincy,
MA 022690-9101.
6.j. Do not use a welding power source for pipe thawing.
CYLINDER MAY EXPLODE IF
DAMAGED.
7.a. Use only compressed gas cylinders con-
taining the correct shielding gas for the
process used and properly operating reg-
ulators designed for the gas and pres-
sure used. All hoses, fittings, etc. should
be suitable for the application and main-
tained in good condition.
7.b. Always keep cylinders in an upright position securely
chained to an undercarriage or fixed support.
7.c. Cylinders should be located:
•Away from areas where they may be struck or subjected to
physical damage.
•A safe distance from arc welding or cutting operations and
any other source of heat, sparks, or flame.
7.d. Never allow the electrode, electrode stinger or any other
electrically “hot” parts to touch a cylinder.
7.e. Keep your head and face away from the cylinder valve out-
let when opening the cylinder valve.
7.f. Valve protection caps should always be in place and hand
tight except when the cylinder is in use or connected for
use.
7.g. Read and follow the instructions on compressed gas cylin-
ders, associated equipment, and CGA publication P-l, “Pre-
cautions for Safe Handling of Compressed Gases in Cylin-
ders,” available from the Compressed Gas Association,
14501 George Carter Way Chantilly, VA 20151.
FOR ELECTRICALLY
POWERED EQUIPMENT.
8.a. Turn off the power using the disconnect
switch at the fuse box before working on
the equipment.
8.b. Install equipment in accordance with the U.S. National Elec-
trical Code, all local codes and the manufacturer’s recom-
mendations.
8.c. Ground the equipment following the U.S. National Electri-
cal Code and the manufacturer’s recommendations.
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