Tweco 300 Auto-Cut - Manuel (Page 9)

AUTO-CUT 300
1-1 Manual 0-4817
SECTION 1:
GENERAL INFORMATION
1.01 Notes, Cautions and Warnings
Throughout this manual, notes, cautions, and warnings are used to
highlight important information. These highlights are categorized as
follows:
NOTE
An operation, procedure, or background information
which requires additional emphasis or is helpful in effi-
cient operation of the system.
CAUTION
A procedure which, if not properly followed, may cause
damage to the equipment.
!
WARNING
A procedure which, if not properly followed, may cause
injury to the operator or others in the operating area.
1.02 Important Safety Precautions
WARNINGS
OPERATION AND MAINTENANCE OF PLASMA ARC
EQUIPMENT CAN BE DANGEROUS AND HAZARDOUS
TO YOUR HEALTH.
Plasma arc cutting produces intense electric and mag-
netic emissions that may interfere with the proper func-
tion of cardiac pacemakers, hearing aids, or other elec-
tronic health equipment. Persons who work near plasma
arc cutting applications should consult their medical health
professional and the manufacturer of the health equip-
ment to determine whether a hazard exists.
To prevent possible injury, read, understand and follow
all warnings, safety precautions and instructions before
using the equipment. Call 1-603-298-5711 or your local
distributor if you have any questions.
GASES AND FUMES
Gases and fumes produced during the plasma cutting process can be
dangerous and hazardous to your health.
• Keep all fumes and gases from the breathing area. Keep your
head out of the welding fume plume.
• Use an air-supplied respirator if ventilation is not adequate to
remove all fumes and gases.
• The kinds of fumes and gases from the plasma arc depend on the
kind of metal being used, coatings on the metal, and the different
processes. You must be very careful when cutting or welding
any metals which may contain one or more of the following:
Antimony Chromium Mercury
Arsenic Cobalt Nickel
Barium Copper Selenium
Beryllium Lead Silver
Cadmium Manganese Vanadium
• Always read the Material Safety Data Sheets (MSDS) that should
be supplied with the material you are using. These MSDSs will
give you the information regarding the kind and amount of fumes
and gases that may be dangerous to your health.
• For information on how to test for fumes and gases in your
workplace, refer to item 1 in Subsection 1.03, Publications in
this manual.
• Use special equipment, such as water or down draft cutting
tables, to capture fumes and gases.
• Do not use the plasma torch in an area where combustible or
explosive gases or materials are located.
• Phosgene, a toxic gas, is generated from the vapors of chlori-
nated solvents and cleansers. Remove all sources of these va-
pors.
• This product, when used for welding or cutting, produces fumes
or gases which contain chemicals known to the State of Califor-
nia to cause birth defects and, in some cases, cancer. (California
Health & Safety Code Sec. 25249.5 et seq.)
ELECTRIC SHOCK
Electric Shock can injure or kill. The plasma arc process uses and
produces high voltage electrical energy. This electric energy can cause
severe or fatal shock to the operator or others in the workplace.
• Never touch any parts that are electrically “live” or “hot.”
• Wear dry gloves and clothing. Insulate yourself from the work
piece or other parts of the welding circuit.
• Repair or replace all worn or damaged parts.
• Extra care must be taken when the workplace is moist or damp.
• Install and maintain equipment according to NEC code, refer to
item 9 in Subsection 1.03, Publications.
• Disconnect power source before performing any service or re-
pairs.
• Read and follow all the instructions in the Operating Manual.
FIRE AND EXPLOSION
Fire and explosion can be caused by hot slag, sparks, or the plasma arc.
• Be sure there is no combustible or flammable material in the
workplace. Any material that cannot be removed must be pro-
tected.
• Ventilate all flammable or explosive vapors from the workplace.
• Do not cut or weld on containers that may have held combus-
tibles.