Lincoln Electric IMt913 MAGNUM 100SG SPOOL GUN - Manual (Page 18)

INSTALLATION
ROUTINE WELDING MACHINE PREPARATION
ELECTRIC SHOCK CAN KILL.
1. Disconnect input power to the machine.
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2. Machine polarity setting: Set to DC electrode positive
polarity per the machineʼs Instruction Manual.
3. Gas selection and flow rate: Connect 100% welding
grade argon gas supply to the machineʼs gas solenoid
valve. Set the supply regulator to deliver a gas flow rate
of 20 to 50 SCFH thru the spool gun.]
4. Flip the machineʼs wire drive selector switch (behind the
access door) to "Magnum® 100SG". (See Figure A.4)
FIGURE A.4
WARNING
PREPARING THE SPOOL GUN
ELECTRIC SHOCK CAN KILL.
1. Disconnect input power to the machine.
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2. The Conical Spring is used as the spool brake only when
feeding the stronger and harder aluminum alloy 5356.
The Conical Spring must be removed from the spool gun
whenever using the softer aluminum alloy 4043.
WARNING
A-10