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SAFETY PRECAUTIONS
WARNING
Do not attempt to use this equipment until you
have thoroughly read the engine manufacturer's
manual supplied with your welder. It includes
important safety precautions, detailed engine
starting, operating and maintenance instructions,
and parts lists.
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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.
• Always operate the welder with the hinged door
closed and the side panels in place.
• Read carefully the Safety Precautions page
before operating this machine. Always follow
these and any other safety procedures included
in this manual and in the Engine Instruction
Manual.
GENERAL DESCRIPTION
The Ranger® 305D (AU) is a diesel engine powered
DC multi-process welding power source and 240 volt
AC power generator. The engine drives a generator
that supplies three phase power for the DC welding
circuit and single phase power for the AC auxiliary
outlets. The DC welding control system uses state of
the art Chopper Technology (CT tm) for superior weld-
ing performance.
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® 305D (AU) con-
sists of two 15 Amp-240 VAC receptacles. Also refer
to the AUXILIARY POWER OPERATION section later
in this chapter.
ENGINE OPERATION
Before Starting the Engine:
• Be sure the machine is on a level surface.
• Open top & side engine doors and remove the
engine oil dipstick and wipe it with a clean cloth.
Reinsert the dipstick and check the level on the dip-
stick.
OPERATION
• Add oil (if necessary) to bring the level up to the full
mark. Do not overfill. Close engine door.
• Check radiator for proper coolant level. (Fill if nec-
essary).
• See Engine Owner's Manual for specific oil and
coolant recommendations.
ADD FUEL
DIESEL FUEL
can cause fire.
DIESEL FUEL ONLY-Low sulphur fuel or ultra low
sulphur fuel in U.S.A. and Canada.
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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 Owner's Manual for specific fuel recom-
mendations.
BREAK-IN PERIOD
Any engine will use a small amount of oil during its
"break-in" period. For the diesel engine on the
Ranger® 305D (AU), break-in is about 50 running
hours.
Check the oil every four hours during break-in.
Change the oil after the first 50 hours of
operation,every 100 hours thereafter. Change the oil
filter at the second oil change.
During break-in, subject the Ranger® 305D (AU) to
moderate loads. Avoid long periods running at
idle. Before stopping the engine, remove all loads
and allow the engine to cool several minutes.
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RANGER® 305D (AU)
WARNING
• Stop engine while fueling.
• Do not smoke when fueling.
• Keep sparks and flame away
from tank.
• Do not leave unattended while
fueling.
• Wipe up spilled fuel and allow
fumes to clear before starting
engine.
• Do not overfill tank, fuel
expansion may cause over-
flow.
CAUTION
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