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iii

 

 

 

 

SAFETY

 

 

 

iii

 

 

 

 

 

 

 

 

 

 

WELDING

and

CUTTING

CYLINDER may explode

 

SPARKS can cause fire or

if damaged.

 

 

 

 

explosion.

 

 

7.a. Use only

compressed

gas

cylinders

 

 

 

 

 

 

 

6.a. Remove fire hazards from the welding area.If

containing the correct shielding gas for the

 

process used and

properly

operating

 

this is not possible, cover them to prevent the welding sparks

 

regulators

designed

for

the

gas and

 

from starting a fire. Remember that welding sparks and hot

 

pressure used. All hoses, fittings, etc. should be suitable for

 

materials from welding can easily go through small cracks

 

the application and maintained in good condition.

 

 

and openings to adjcent areas. Avoid welding near hydraulic

 

 

 

 

 

 

 

 

lines. Have a fire extinguisher readily available.

7.b. Always keep cylinders in an upright position securely

 

 

 

 

 

 

6.b. Where compressed gases are to be used at the job site,

chained to an undercarriage or fixed support.

 

 

 

 

 

 

 

special precautions should be used to prevent hazardous

7.c. Cylinders should be located:

 

 

 

 

 

situations. Refer to “Safety in Welding and Cutting” (ANSI

 

 

 

 

 

• Away from areas where they may be struck or subjected to

 

Standard Z49.1)

and the

operating

information for the

 

physical damage.

 

 

 

 

 

equipment being used.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

6.c. When not welding, make certain no part of the electrode

• A safe distance from arc welding or cutting operations and

any other source of heat, sparks, or flame.

 

 

 

circuit is touching the work or ground. Accidental contact can

 

 

 

 

 

 

 

 

 

cause overheating and create a fire hazard.

7.d. Never allow the electrode, electrode holder or any other

 

 

 

 

 

 

6.d. Do not heat, cut or weld tanks, drums or containers until the

electrically “hot” parts to touch a cylinder.

 

 

 

 

 

 

 

 

proper steps have been taken to insure that such procedures

7.e. Keep your head and face away from the cylinder valve outlet

 

will not cause flammable or toxic vapors from substances

 

when opening the cylinder valve.

 

 

 

 

inside. They can cause an explosion even though they have

 

 

 

 

 

 

 

 

 

 

been “cleaned”. For information, purchase “Recommended

7.f. Valve protection caps should always be in place and hand

 

Safe Practices for the Preparation for Welding and Cutting of

 

tight except when the cylinder is in use or connected for

 

Containers and

Piping

That

Have

Held Hazardous

 

use.

 

 

 

 

 

Substances”, AWS F4.1 from the American Welding Society

 

 

 

 

 

 

 

 

 

 

 

(see address above).

 

 

 

7.g. Read and follow the instructions on compressed gas

6.e. Vent hollow castings or containers before heating, cutting or

cylinders, associated equipment, and CGA publication P-l,

“Precautions for Safe Handling of Compressed Gases in

 

welding. They may explode.

 

 

 

Cylinders,” available from the Compressed Gas Association

6.f.

Sparks and spatter are thrown from the welding arc. Wear oil

1235 Jefferson Davis Highway, Arlington, VA 22202.

 

 

 

 

 

 

free protective garments such as leather gloves, heavy shirt,

FOR ELECTRICALLY

 

cuffless trousers, high shoes and a cap over your hair. Wear

 

ear plugs when welding out of position or in confined places.

 

powered equipment.

 

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

8.a. Turn off input power using the disconnect

switch at the fuse box before working on

 

area as practical. Work cables connected to the building

the equipment.

 

 

 

 

framework or other locations away from the welding area

8.b. Install equipment in accordance with the U.S. National

 

increase the possibility of the welding current passing through

 

lifting chains, crane cables or other alternate circuits. This can

Electrical Code, all local codes and the manufacturer’s

 

create fire hazards or overheat lifting chains or cables until

recommendations.

 

 

 

 

 

they fail.

 

 

 

 

8.c. Ground the equipment in accordance with the U.S. National

 

 

 

 

 

 

6.h. Also see item 1.c.

 

 

 

 

Electrical Code and the manufacturer’s recommendations.

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.

Refer to http://www.lincolnelectric.com/safety for additional safety information.

VANTAGE® 400

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Lincoln Electric 400 service manual Welding Cutting, For Electrically, Iii
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400 specifications

The Lincoln Electric 400 is a state-of-the-art multi-process welding machine designed to meet the demands of today’s industrial welding applications. Renowned for its reliability and versatility, this welder is a preferred choice among professionals in fabrication, construction, and maintenance industries.

One of the main features of the Lincoln Electric 400 is its multi-process capability. It seamlessly integrates MIG, TIG, and stick welding processes into a single unit, allowing users to switch between methods depending on the job at hand. This flexibility makes it incredibly suitable for a wide range of materials, including steel, stainless steel, and aluminum.

The welding machine boasts a robust power output, with a maximum range of 400 amps. This impressive capacity enables it to handle thick materials effectively, making it ideal for heavy-duty tasks. The machine operates on both single-phase and three-phase power, giving users the advantage of versatility depending on the power source available at the job site.

Another significant characteristic of the Lincoln Electric 400 is its advanced digital display and control interface. This user-friendly panel allows for easy adjustments to voltage and wire feed speed, ensuring precision and high-quality welds. Additionally, the machine includes built-in features to improve the consistency of welding, such as the Smart MIG technology which optimizes the welding parameters automatically based on the wire diameter and material thickness.

In terms of durability, the Lincoln Electric 400 is designed for rugged environments. Its heavy-duty construction, including a robust metal casing and protective features, ensures it can withstand the rigors of daily use in harsh conditions. Furthermore, the welder is often praised for its efficient cooling system, which prolongs the machine's lifespan and maintains optimal performance even during extended usage.

Portability is another key aspect of this welding machine. Weighing under 200 pounds, it is designed with mobility in mind. The integrated wheels allow for easy transportation between job sites, making it a practical choice for mobile welders and contractors.

In conclusion, the Lincoln Electric 400 stands out in the welding equipment market due to its multi-process capabilities, impressive power output, user-friendly interface, durability, and portability. It is engineered to exceed the expectations of professional welders, providing them with the tools needed for high-quality results across a variety of applications.
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