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SGW-250SS DC WELDER/AC GENERATOR — PARTS & OPERATION MANUAL — REV. #2 (08/08/01) — PAGE 11
SGW-250SS — GENERAL INFORMATION
SGW-250SS FAMILIARIZATION
Generator
The MQ Power Model SGW-250SS welder/generator can
provide 200 amps of welding current when in the CV/DC
mode and 250 amps of welding current when in the CC/DC
mode. When used as a generator it can provide a maximum
of 7,200 watts of power.
Control Panel
The
control panelcontrol panel
control panelcontrol panel
control panel
is provided with the following:
z
One GFCI 120 volt receptacle, 30 amp (single-phase)
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One 120 volt receptacle, 30 amp (single-phase)
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One 120/240 volt receptacle, 30 amp (single-phase)
z
Main Circuit Breaker 265V @25 Amps
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Circuit Protector Breaker (GFCI) 120V @20 Amps
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Idle Control Switch
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Starter Switch
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Starter Button
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Hour Meter
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Ground Terminal
Welder Protection System
In the event of an overload, this welder/generator is equipped
with an welder protection system . If an overload is detected
while operating the welder/generator, the welder protection
system will shut down the engine.
Oil Pressure Warning Alarm
In the event of low oil pressure (engine), this welder/generator
is equipped with an engine protection fail safe system . If
low oil pressure is detected while operating the welder/
generator, the engine protection system will shut down the
engine.
If this condition (low oil pressure) should occur, please refer
to the engine troubleshooting table in this manual.
Excitation System
The SGW-250SS welder/generator uses a brushless
exciter to create rated output electricity. This system will
use the mechanical energy generated by the 3600 RPM
engine to spin the rotor (or armature) inside the generator
(or alternator end).
The motion created by the rotor (which holds copper coils)
spins inside a housing of permanent magnets called the
"STATOR". A magnetic field is created by the stator and
produces an electrical current.
Engine
The SGW-250SS is powered by an air-cooled, 4-cycle
HONDA gasoline engine. This engine is designed to meet
every performance requirement for generator. Reference
Table 1, page 9 for engine specifications.
In keeping with MQ Power's policy of constantly improving
its products, the specifications quoted herein are subject to
change without prior notice.
Figures 2 and 3 (pages 14-15) show the basic controls and
indicators for the SGW-250SS welder/generator.