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• The right use and good maintenance extend the useful
life of the welder.
CAUTION
• Only qualified staff shall carry out
repairs. Visit a
Center to repair the welder and purchase supplies or
accessories.
• Before carrying out any type of repairs, cut first the power
supply.
• Check regularly the inlet and outlet cables are firmly
connected and are not exposed. Any abnormality shall be
repaired immediately.
Storage
• If the welder will be stored for long periods of time, it shall
be stored in a dry and well ventilated place to prevent entry
of humidity, oxide, or toxic gases. The storing temperature
can be -13 °F to +131 °F and relative humidity shall not be
above 90%.
Nozzle
• The nozzle (D) shall be clean and free of spills. Spills
accumulation inside the nozzle may cause an electric
discharge in the contact tip and can blow a fuse in the
circuit board or very expensive repairs in the machine.
To keep the contact tip free of spills and know how
to remove it and replace it.
• Apply anti-adherence ointment to the nozzle
before starting welding.
Cleansing
CAUTION
Cut the power supply each time you
clean the dust.
• To remove dust from the tool, use dry compressed air
(use a compressor or a bellow) to remove dust from
inside the machine.
• If there is grease adhered clean with a piece of cloth.
• The machine shall be cleaned thoroughly once a year if
in good maintenance conditions and each three month if
it has important much accumulations.
• Check regularly the welder input and output cables to
guarantee they are properly connected and prevent they
are exposed. This checkup shall be carried out once a
month when fixed and each time they have to be
removed.
16
ENGLISH
Authorized Service
E
(1)
Maintenance
Micro Wire Feeding Mechanism
• Verify regularly the micro wire feeding mechanism.
Cleaning the feeding rod notches (A) is indispensable to
get a good job. Clean the rods once a week, especially the
feeding rod notch. Eliminate any dust accumulation found.
D
Contact Tip
• The contact tip (E) is a consumable
element and shall be replaced when the
orifice enlarges or changes shape. The
contact tip shall be free of spills to allow
the gas to flow correctly.
Symbology
Direct current
Manual electric arc welding with coated electrode
Input circuit, symbol for single-phase alternating
current and rated frequency (60 Hz)
Duty cycle symbol (service factor)
I
Nominal welding current symbol.
2
U
Conventional load voltage symbol.
2
U
... V
Rated open circuit voltage.
0
U
... V
Reduced open circuit rated voltage in the case of a
r
voltage reduction device.
U
... V
Rated supply voltage
1
Mmax... A
Maximum rated power current
Meff... A
Maximum effective power current
Meff... A
IP
Protection grade (solid objects and water
submerssion)
~
Static frequency single-phase
1 1
1 2
transformer-rectifier.
~
Alternate current symbol
Tungsten inert gas welding
SMAW
Manual electric arc welding with coated electrodes
TIG
Arc welding system with gaseous protection.
Inert metal – active gas welding, including the use
of flux core
A
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