gala gar SMART 200 MP Manuel Technique page 23

SYMPTO M. ANO MALY.
THE WELDING START IS VERY THE WELDING START IS VERY THE WELDING START IS VERY THE WELDING START IS VERY
AG G RESSIVE. AG G RESSIVE. AG G RESSIVE. AG G RESSIVE.
THERE ARE MANY THERE ARE MANY
THERE ARE MANY THERE ARE MANY
PRO JECTIO NS. PRO JECTIO NS. PRO JECTIO NS. PRO JECTIO NS.
SPECIALIZED PERSONNEL MUST CARRY OUT ANY WORK ON THE EQUIPMENT.
BOTH AT THE BEGINNING AND END OF A REPAIR CHECK THE EQUIPMENT INSULATION LEVELS.
DISCONNECT THE ELECTRONIC BOARDS WHEN MEASURING THE INSULATION.
BLOW THE INSIDE OF THE EQUIPMENT WITH COMPRESSED AIR.
The insula tion-mea suring de vice will ha ve 5 0 0 V D.C. a nd will be a pplied to the following po ints of the circuit:
- Supply-Ea rth: Ra > 5 0 Mohms.
- Welding -Ea rth: Ra > 5 0 Mohms.
- Supply-Welding : Ra > 5 0 Mohms.
BEFORE TURNING THE EQUIPMENT ON, ENSURE THAT IT IS OFF LOAD.
DO NOT OPERATE THE ON/OFF SWITCH WITH AN ELECTRICAL LOAD CONNECTED TO THE
WELDING CONNECTORS.
SMART 2 0 0 MP
PRO BABLE CAUSE.
Aluminium is being welded with a dra wing
problem, which ca uses incorrect a rc ignition a s
the wire is slowed down on knocking a g a inst
the piece.
The wire leng th a t onset of welding process is
too long .
PO SSIBLE SO LUTIO N.
Exa mine the dra wing process. Prevent the g un from ma king
"knots", keeping it in a stra ight line. The wire must not be
slowed down when it knocks a g a inst the piece
Correct a rc end opera tion. Do not strike too long a fina l
wire leng th.
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