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SAFETY PRECAUTIONS
WARNING
Do not attempt to use this equipment until you have thoroughly read the engine manufacturer’s manual sup- plied with your welder. It includes important safety pre- cautions, detailed engine starting, operating and main- tenance instructions, and parts lists.
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 is a diesel engine powered DC multi- process welding power source and 120 / 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 welding 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 consists of two
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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 dip- stick 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.
•Check radiator for proper coolant level. (Fill if necessary).
•See Engine Owner’s Manual for specific oil and coolant recommendations.
ADD FUEL
• Remove the fuel tank cap.
•Fill the tank approximately 4 inches (100mm) from the top of the filler neck to allow for fuel expansion (observe the fuel gauge while filling). 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 recommenda- tions.
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 DIESEL FUEL fumes to clear before starting can cause fire. engine.
•Do not overfill tank, fuel expansion may cause overflow.
DIESEL FUEL ONLY
BREAK-IN PERIOD
Lincoln Electric selects high quality,
Larger machines with a capacity of 350 amperes and higher, which are operated at low or
1.Connect the welder output studs to a suitable resistive load bank. Note that any attempt to short the output studs by connecting the welding leads together, direct shorting of the output studs, or connecting the output leads to a length of steel will result in catastrophic damage to the generator and voids the warranty.
2.Set the welder controls for an output current and voltage within the welder rating and duty cycle. Note that any attempt to exceed the welder rating or duty cycle for any period of time will result in catastrophic damage to the gen- erator and voids the warranty.
3.Periodically shut off the engine and check the crankcase oil level.
