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B-1
OPERATION
RANGER 305G
B-1
GENERAL DESCRIPTION
The RANGER 305G is a gasoline engine powered DC
multi-process welding power source and 120 / 240
volt AC power generator. The engine drives a genera-
tor that supplies three phase power for the DC weld-
ing circuit and single phase power for the AC auxiliary
outlets. The DC welding control system uses state of
the art Chopper Technology for superior welding
performance.
DESIGN FEATURES
FOR AUXILIARY POWER:
Start the engine and set the IDLER control switch to
the desired operating mode. Full power is available
regardless of the welding control settings providing no
welding current is being drawn.
The auxiliary power of the RANGER 305G consists of
two 20 Amp-120 VAC (5-20R) duplex receptacles and
one 50 Amp 120/240 VAC (14-50R) receptacle. The
240 VAC receptacle can be split for single phase 120
VAC operation.
ENGINE OPERATION
Before Starting the Engine:
• Be sure the machine is on a level surface.
• Open top engine door and remove the engine oil
dipstick and wipe it with a clean cloth. Reinsert the
dipstick and check the level on the dipstick.
• Add oil (if necessary) to bring the level up to the full
mark. Do not overfill. Close engine door.
• See Engine Ownerʼs Manual for specific oil recom-
mendations.
ADD FUEL
GASOLINE can cause fire
or explosion.
• Stop engine when fueling.
• Do not smoke when fueling.
• Do not overfill tank.
• Avoid contact with skin or
breathing of vapor.
• Keep sparks and flame away from tank.
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• Remove the fuel tank cap.
• Fill the tank approximately 4 inches (100mm) from
the top of the filler neck to allow for fuel expansion
DO NOT FILL THE TANK TO THE POINT OF
OVERFLOW.
• Replace the fuel cap and tighten securely.
• See Engine Ownerʼs Manual for specific fuel recom-
mendations.
WARNING
SAFETY PRECAUTIONS
Read and understand this entire section before
operating your RANGER 305G
Do not attempt to use this equipment until you
have thoroughly read all operating and mainte-
nance 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
such as output terminals or internal
wiring.
•Insulate yourself from the work and
ground.
•Always wear dry insulating gloves.
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ENGINE EXHAUST can kill.
•Use in open, well ventilated areas or
vent exhaust outside
•Do not stack anything near the
engine.
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MOVING PARTS can injure.
•Do not operate with doors open or
guards off.
•Stop engine before servicing.
•Keep away from moving parts
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• Only qualified personnel should operate this
equipment.
ADDITIONAL SAFETY PRECAUTIONS
Always operate the welder with the hinged door
closed and the side panels in place as these pro-
vide maximum protection from moving parts and
insure proper cooling air flow.
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