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RECOMMENDED APPLICATIONS
WELDER
The SA-250 provides excellent constant current DC
welding output for stick (SMAW) welding and for DC
TIG welding. It also offers constant voltage output for
DC semiautomatic wire feed welding. For more details
on using the machine as a welder, see
Welding
Operation
in the
Operation
section of this manual.
GENERATOR
The SA-250 is also capable of providing 3.0 kVA of
115/230 volts of 60 Hertz AC auxiliary power.
OPERATIONAL FEATURES AND
CONTROLS
The SA-250 was designed for simplicity. Therefore, it
has very few operating controls. Two switches are
used for welding operations:
• A five-position CURRENT RANGE SELECTOR
switch selects current output ranges for constant cur-
rent stick or TIG applications and constant voltage
wire feed applications (with optional Wire Feed
Module - see the
Accessories
section)
• A FINE CURRENT ADJUSTMENT switch for fine
adjustment of current from minimum to maximum
within each range
Controls for the diesel engine control include a two-
position IGNITION ON/OFF toggle switch, a START
pushbutton, and a two-position IDLER switch that
selects engine speed for welding or auxiliary power
applications. See
Engine Operation
in the
Operation
section of this manual for details about starting, run-
ning, stopping, and breaking in the diesel engine.
DESIGN FEATURES
• Constant current DC Stick welding (SMAW) process
capability with output range from 40 - 325 DC amps.
• Constant current DC TIG Welding with output across
the entire range of settings.
• Work and Electrode welding cable mounting termi-
nals.
• Separate ground stud for safe connection of case to
earth ground.
• Duplex, 230 volt auxiliary power receptacle.
• Duplex, 115 volt auxiliary power receptacles.
• Integrated generator output overload protection
through four 15 amp circuit breakers.
• Electric starting.
• Battery Charging Ammeter.
• Engine Oil Pressure Gauge.
• Engine Hour Meter for determining periodic mainte-
nance.
• Top-of-the-line 38.2 HP Perkins diesel engine.
• Top-mounted 15 gallon (57.0 litter) fuel tank with
convenient top fill.
• Automatic engine shutdown protection for low oil
pressure.
• Automatic engine idler goes to low idle approximate-
ly 15 seconds after welding for greater fuel economy;
includes high idle switch.
OPERATION
B-3 B-3
SA-250
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