Lincoln Electric POWER FEED 25M NNS Operator's Manual page 10

POWER FEED™ 25M NNS
THUMB SCREW AND METAL TAB OF WELDING GUN
• Turn the input power OFF at the disconnect switch or fuse box before attempting to
connect or disconnect input power lines, output cables or control cables.
• Only qualified personnel should perform this installation.
• Do not touch the wire drive, drive rolls, wire coil or electrode when welding output is
ON.
• Wire feeder may be connected to a piece of automatic equipment that may be
remotely controlled.
• Do not operate with covers, panels or guards removed.
• Do not let the electrode or wire spool touch the wire feeder housing.
• Insulate yourself from the work and ground.
• Always wear dry insulating gloves.
The metal tab of the welding gun and thumb screw securing the gun are at electrode potential when the
welding output is on. Do not touch the metal tab or thumb screw unless input power is turned OFF. Do
not allow the metal tab or thumb screw to touch other parts of the wire feeder or to touch part at work
potential.(See Figure A.1)
WARNING
FIGURE A.1
ELECTRIC SHOCK can kill.
THUMB SCREW
METAL TAB
OF THE WELDING GUN
A 2
INSTALLATION