D-7 TECHNICAL SPECIFICATION D-7
* Release the wire tensioning device on the drive rolls, insert the filler wire end into the inlet guide tube
of wire feeder, align wire with the drive roll groove and feed a short length into the torch connector
so that it protrudes out of the front panel, then replace the tensioner over the wire. (The filler wire
is feed through the torch cable once the input power is switched on.)
Connection between Power Source and Torch
* Insert the torch connector over the protruding wire and into the Euro connector on the front panel of
the welder and rotate the screw cap firmly.
Connection between Power Source and Work Piece
Insert the quick connector of work return cable into the current output (-) terminal on the lower
section of the front panel and then screw in clockwise. The earth clamp is connected with work piece.
The short welding power lead connected to the power source needs to be connected into (+) output
terminal.
* For correct arc performance when using flux-cored gasless wire the polarity needs to be reversed,
connect the (+) and (-) in the opposite way, that is the torch will be (-) and the work lead will be (+).
Do not use steel plate or similar materials which are high resistance to connect between welder and
work piece.
The installation and connection for stick welding.
a) Connection of electrode lead to the welder.
Connect the quick connector of electrode lead to the (+) output quick connect terminals on the front
panel, turn clockwise and ensure the connection is tight.
b) Connection of the work return lead to the welder.
Connect the quick connector of work return lead to the (-) output quick connect terminals on the front
panel, turn clockwise and ensure the connection is tight.
Do not use steel plate or similar materials which are high resistance to connect between welder and
work piece.
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