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SAFETY PRECAUTIONS
WARNING
Have qualified personnel do the maintenance
work. Always use the greatest care when
working near moving parts.
If a problem cannot be corrected by following
the instructions, take the machine to the nearest
Lincoln Field Service Shop.
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ELECTRIC SHOCK can kill.
• Do not touch electrically live parts or
electrode with skin or wet clothing.
• Insulate yourself from work and
ground.
• Always wear dry insulating gloves.
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EXPLODING PARTS can cause injury.
• Failed parts can explode or cause other
parts to explode when power is
applied.
• Always wear a face shield and long sleeves
when servicing.
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See additional warning information
throughout this operator's manual.
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ROUTINE MAINTENANCE
The Multi-Source needs no routine maintenance. The
fan bearings are sealed units.
PERIODIC MAINTENANCE
Periodically the machine may be cleaned with low
pressure compressed air to insure that all cooling pas-
sages are open and that conductive foreign material
has not built up inside.
MAINTENANCE
MACHINE CALIBRATION
SPECIFICATION
The Multi-Source digital display is controlled by a cur-
rent sensing circuit on the Control board. The display
reads 100 when machine output is a little over 40 kW.
To recalibrate the display, the machine output may
loaded with Multi-Weld welders or resistive grids or a
combination of both to obtain an output of 533 Adc as
read by a calibrated standard ammeter. Trimmer
resistor R49 may be adjusted to cause the display to
read 100.
MULTI-SOURCE
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