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OPERATING INSTRUCTIONS
Read and understand this entire section before operat-
ing your Commander 400.
SAFETY INSTRUCTIONS
Do not attempt to use this equipment until you have
thoroughly read all the operating and maintenance
manuals supplied with your machine. They include
important safety precautions; detailed engine starting,
operating and maintenance instructions and parts lists.
ELECTRIC SHOCK can kill.
• Do not touch electrically live parts or
electrodes with your skin or wet clothing.
• Insulate yourself from the work and
ground.
• Always wear dry insulating gloves.
FUMES AND GASES can be dan-
gerous.
• Keep your head out of fumes.
• Use ventilation or exhaust to remove
fumes from breathing zone.
WELDING SPARKS can cause
fire or explosion.
• Keep flammable material away.
• Do not weld on containers that have held
combustibles.
ARC RAYS can burn.
• Wear eye, ear, and body protection.
ENGINE EXHAUST can kill.
• Use in open, well ventilated areas or
vent exhaust to the outside.
• Do not stack anything on or near the
engine.
MOVING PARTS can injure.
• Do not operate this equipment with any
of its doors open or guards off.
• Stop the engine before servicing it.
• Keep away from moving parts.
Only qualified personnel should install, use, or ser-
vice this equipment.
GENERAL DESCRIPTION
The Commander 400 is a diesel engine driven welding
power source. The machine uses a brushless asyn-
chronous alternating current generator for DC stick
electrode welding and for 120/240 VAC auxiliary
standby power. As a generator it can supply up to
10,000 watts of 120/240 volt AC power. As a welder it
provides up to 400 amps of DC constant current output
in six slope-controlled ranges. In addition a seventh
general purpose welding range provides up to 575
amps of constant current welding output.
The engine is a 44.2 Hp (33kw), 3-cylinder air/oil
cooled diesel made by Deutz. This naturally aspirated,
4 cycle engine features direct injection, a Bosch in-line
injection pump and a Bosch mechanical governor.
This machine is controlled by a high quality microcon-
troller. The microcontroller provides high speed control
of the weld process as well as the engine protection
features.
OPERATION
B-2 B-2
COMMANDER 400
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WARNING
WARNING