Hobart Welding Products 150 STI manual Symbols And Definitions

SECTION 3 − DEFINITIONS

3-1. Warning Label Definitions

A.Warning! Watch Out! There are possible hazards as shown by the symbols.

1Electric shock from welding electrode or wiring can kill.

1.1Wear dry insulating gloves. Do not touch electrode with bare hand. Do not wear wet or damaged gloves.

1.2Protect yourself from electric shock by insulating yourself from work and ground.

1.3Disconnect input plug or power before working on machine.

2Breathing welding fumes can be hazardous to your health.

2.1Keep your head out of the fumes.

2.2Use forced ventilation or local exhaust to remove the fumes.

2.3Use ventilating fan to remove fumes.

3Welding sparks can cause explosion or fire.

3.1Keep flammables away from welding. Do not weld near flammables.

3.2Welding sparks can cause fires. Have a

fire extinguisher nearby, and have a watchperson ready to use it.

3.3Do not weld on drums or any closed containers.

4Arc rays can burn eyes and injure skin.

4.1 Wear hat and safety glasses. Use ear protection and button shirt collar. Use welding helmet with correct shade of filter. Wear complete body protection.

5Become trained and read the instructions before working on the machine or welding.

6Do not remove or paint over (cover) the label.

AA

3-2. Symbols And Definitions

A

Amperes

Voltage Input

Process

Shielded Metal Arc

Welding (SMAW)

V

Volts

Increase/Decrease

Single Phase Static Frequency

Of Quantity

Converter-Transformer-Rectifier

Output

Negative

Positive

Hz

Hertz

Gas Input

High Temperature

Direct Current

Line Connection

Percent

X

Duty Cycle

U1

Primary Voltage

U2

Conventional Load

Voltage

Alternating

U0

Rated No Load

I1max

Rated Maximum

I2

Rated Welding

Current

Voltage (Average)

Supply Current

Current

I1eff

Maximum Effective

Remote

Lift-Arc Start

Gas Tungsten Arc

Supply Current

(GTAW)

Welding (GTAW)

Suitable For Areas

S

Of Increased

On

Off

Shock Hazard

OM-951 Page 9