14
Accessories
USE OF MACHINE ACCESSORIES
(see ex-
planation under chapter
MIG Process
).
Settings
MACHINE SETTINGS MENU
(see explana-
tion under chapter
MIG Process
).
G
JOB
Job Menu
(see explanation under chap-
ter
MIG Process
).
7 MIG/MAG WELDING
After selecting the process you can select the welding
mode
MIG: Pulsed Mig
,
Mig Short
or
Mig manual
.
For pulsed MIG welding you must select the wire type,
diameter and gas; this selection must be made inside the
Main Menu
, by means of keys process and
material
.
The welding parameters are synergically set by means of
the knob.
In this welding process the filler material is transferred
with an impulsive controlled energy waveform with a re-
sulting constant detachment of melted material drops
that reach the workpiece without splatters. The result is
a melted material welding cord that is transferred to the
workpiece without splatters. The welding cord is thus
well connected with any material type or thickness.
All types of wire, diameter and gas that can be used
are also shown on a plate inside the mobile side panel
.
Mig Short
.
For MIG short welding you must select the wire type, di-
ameter and gas; this selection must be made inside the
main menu
and, by means of keys
process
and
mate-
rial
.
The welding parameters are synergically set by means of
the knob.
All types of wire, diameter and gas that can be used
are also shown on a plate inside the mobile side panel
.
Mig Manual
.
For MIG manual welding you must select the type of wire,
diameter and gas; this selection must be made inside the
Main Menu
, and by means of keys
process
and
mate-
rial
.
For welding using this process you must adjust the wire
speed and the welding voltage. Pressing the knob on the
main screen you can select the wire speed as well as
welding voltage and value.
All types of wire, diameter and gas that can be used
are also shown on a plate inside the mobile side panel
.
8 MMA WELDING
Connect the electrode clamp cable connector to connec-
tor
9
and the earth cable clamp to connector
4
(observing
the polarity stated by the electrode manufacturer).
In order to prepare the machine for MMA welding, follow
the instructions previously described in the menu.
9 TIG WELDING
Connect the earth cable to the positive pole 9 and the
torch to the negative connector
4
.
Connect the gas hose to the socket
7
.
In order to prepare the machine for TIG welding, follow
the instructions previously described in the menu.
10 MAINTENANCE
All maintenance jobs must be performed by
professional personnel according to the CEI 26-29
(IEC 60974-4) standard.
10.1 GENERATOR MAINTENANCE
In case of maintenance inside the appliance, make sure
the switch
12
is in “O” position and that the power supply
cable is disconnected from the mains.
Periodically, also clean the inside of the appliance and
remove any metal dust using compressed air.
10.2 HOW TO PROCEED AFTER MAKING REPAIRS.
After making repairs, always ensure the wires are fully
insulated between the primary side and the secondary
side of the machine. Avoid the wires coming into contact
with moving parts or parts that heat up during operation.
Fit all the clamps back as on the original machine so as to
avoid any contact between the primary and secondary in
case of accidental lead breakage or disconnection.
Also fit the screws back on with the toothed washers as
on the original machine.
Summary of Contents for MultiMig 721 Multivoltage
Page 45: ...45 WIRING DIAGRAM ...
Page 46: ...46 GENERATORE POWER SOURCE POWER SOURCE ART 386 64 ...
Page 48: ...48 TROLLEY ...
Page 50: ...50 WIRE FEED MOTOR ...
Page 52: ...52 ...
