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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.
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.
ENGINE EXHAUST can kill.
• Use in open, well ventilated areas or vent exhaust outside.
MOVING PARTS can injure.
•Do not operate with doors open or guards off.
•Stop engine before servicing.
•Keep away from moving parts.
See additional warning information at front of this operator’s manual.
Only qualified personnel should install, use, or service this equipment.
VRD (VOLTAGE REDUCTION DEVICE)
The VRD feature provides additional safety in the
The VRD reduces the OCV (Open Circuit Voltage) at the welding output terminals while not welding to less than 13V DC when the resistance of the output circuit is above 200Ω (ohms).
The VRD requires that the welding cable connections be kept in good electrical condition because poor connections will contribute to poor starting. Having good electrical con- nections also limits the possibility of other safety issues such as
The machine is shipped with the VRD switch in the “Off” position. To turn it “On” or “Off”.
•Turn the engine “Off”.
•Disconnect the negative battery cable.
•Lower the control panel by removing 4 front panel screws. (See Figure A.1)
•Place the VRD switch in the “On” or “Off” position. (See Figure A.1)
With the VRD switch in the “On” position, the VRD lights are enabled.
LOCATION AND VENTILATION
The welder should be located to provide an unrestrict- ed flow of clean, cool air to the cooling air inlets and to avoid restricting the cooling air outlets. Also, locate the welder so that the engine exhaust fumes are prop- erly vented to an outside area.
CAUTION
DO NOT MOUNT OVER COMbUSTIbLE SURFACES Where there is a combustible surface directly under stationary or fixed electrical equipment, that surface should be covered with a steel plate at least .06”(1.6mm) thick, which should extend not less than 5.90”(150mm) beyond the equipment on all sides.
STORING
1.Store the machine in a cool, dry place when it is not in use. Protect it from dust and dirt. Keep it where it can’t be accidentally damaged from con- struction activities, moving vehicles, and other hazards.
2.Drain the engine oil and refill with fresh 10W30 oil. Run the engine for about five minutes to cir- culate oil to all the parts. See the MAINTE- NANCE section of this manual for details on changing oil.
3.Remove the battery, recharge it, and adjust the electrolyte level. Store the battery in a dry, dark place.
STACKING
AIR VANTAGE® 500 KUBOTA machines cannot be stacked.
ANGLE OF OPERATION
To achieve optimum engine performance the Air Vantage 500 should be run in a level position. The maximum angle of operation for the VMAC Compressor and KUBOTA engine is 20 degrees con- tinues in all directions and 30 degrees intermittent (less than 10 minutes). When operating the welder at an angle, provisions must be made for checking and maintaining the oil level at the normal (FULL) oil capacity. Also the effective fuel capacity will be slightly less than the specified 25 gal.(94.6 ltrs.).
AIR VANTAGE® 500 KUbOTA