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GLC 353/503/553 MC3Operating instructions
Safety specifications
General information
Warning!
This is a class A equipment which may cause radio
interferences in residential areas. In such a case the
operator may be asked to take adequate steps on his
account.
The GLC 353/503/553 MC3 machine with CK 98 A is
built according to EN 60 974-1. It corresponds to the
latest "state of the art" engineering and its reliability
is proven. It must be operated by trained personnel in
accordance with the following instructions to provide
safe and efficient operation.
The machine is not suitable for thawing
pipelines due to Fire risk !
Flammable gases or gases which induce a chemical
reaction, such as Acetylene, Propane, pure Hydro-
gen, pure Oxygen are prohibited.
Please note the following!
- Safety regulations VBG 15
- Safety regulations VBG 4
- Fire protection rules
- Welding and maintenance to be carried out by
qualified personnel only.
- The machine must be switched-off and
disconnected for all maintenance work.
- Repair of electronics to be carried out by service
personnel only. If repair work is carried out by
unauthorized persons and safety regulations are
not adhered to, the warranty becomes invalid.
This welding machine is intended for industrial use
and must not be used in residential buildings.
As >16 Amp are required per phase, this machine is
subject to the IEC 61000-3-4 standard or EN 61000-3-
12, when it is available. In order to avoid
electromagnetic interference (EMI), certain conditions
must exist (size of mains impedance) for connection
to the public low voltage network. Please inform the
relevant electricity supplier about this machine’s
connection. Please do not hesitate to contact your
Electricity supplier or the manufacturer if you need
help or information.
Particular information for welding
Personal protection (rays, gases, vapours)
— When welding, dry protective clothing, apron,
helmet and gloves as well as solid work shoes
should be worn.
— Use a protective shield or helmet with glass, with
DIN marking, outside clear, inside tinted.
— Protect other persons in the vicinity of the
welding area from UV rays and spatter by
suitable, non-flammable partition walls.
— Always wear safety glasses if you are in an area
where welding takes place.
— Wear safety glasses with side protection when
you are welding or when removing slag.
— Caution! UV rays are released during welding.
Protect body and particularly the eyes. Keep
protective ointment and eye drops available.
— All metal vapours are toxic! Be careful with
alloys which contain lead, cadmium, copper,
zinc, nickle, chrome, berillium.
— Parts, cleaned with chlorinated agents, cause the
toxic gas phosgen to form in the arc.
Caution Risk of poisoning in narrow places !
If shielding gas hoses are not tight or the
shielding gas valve gets caught unintentionally,
shielding gas may escape to such an extent that
the oxygen content of the inhaled air decreases;
symptoms of poisoning appear which may lead to
unconsciousness and suffocation. Sufficient fresh
air must be provided! Please check the gas
supplying parts at regular
intervals.
Fire prevention (explosion)
— Remove all flammable materials around the
welding place or cover these with a non-
flammable material.
— Hot slag or spatter might cause fires if in contact
with flammable materials.
— Only use shielding gases suitable for welding,
such as Argon, CO
2
and Argon and CO
2
or
Argon, CO
2
and O
2
mixtures.
Never use flammable gases like Acetylene,
Propane, Hydrogen or fire supporting gases such
as Oxygen.
— Never weld on drums, tanks or similar containers
unless they have been thoroughly cleaned and
you are sure that no toxic, flammable or explosi-
ve vapour can develop.
— Fire fighting agents such as water or sand or a
fire extinguisher should always be available.
— Confined spaces must have a free passage
allowing escape in case of danger.
— Please observe the weld area and its
surroundings when welding has finished. Fire
may break out later due to smoldering.
Electrical danger (current, voltage)
Pacemakers
Wearers of pacemakers may potentially by at risk
from arc welding. When MIG/MAG welding the risk is
from magnetic fields and when TIG welding from high
voltage pulses of the arc ignition units.
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