Lincoln Electric IM730 manual Wire WELDING-CV, ARC Gouging, Table B.3

B-6 OPERATION B-6

When in the TOUCH START TIG mode and when a Amptrol is connected to the 6-pin Connector the OUT- PUT dial is used to set the maximum current range of the CURRENT CONTROL of the Amptrol.

The ARC CONTROL is not active in the TIG mode.

The Ranger 305D can be used in a wide variety of DC TIG welding applications. In general the ‘Touch Start’ feature allows contamination free starting without the use of a Hi-frequency unit. If desired, the K930-2 TIG Module can be used with the Ranger 305D. The set- tings are for reference.

Ranger 305D settings when using the K930-2 TIG Module with an Amptrol or Arc Start Switch:

•Set the MODE Switch to the TOUCH START TIG setting.

•Set the "IDLER" Switch to the "AUTO" position.

•Set the "WELDING TERMINALS" switch to the "REMOTELY CONTROLLED" position. This will keep the "Solid State" contactor open and provide a “cold” electrode until the Amptrol or Arc Start Switch is pressed

When using the TIG Module, the OUTPUT control on the Ranger 305D is used to set the maximum range of the CURRENT CONTROL on the TIG module or an Amptrol if connected to the TIG Module. (See Table B.2.)

WIRE WELDING-CV

Connect a wire feeder to the Ranger 305D according to the instructions in INSTALLATION INSTRUCTIONS Section.

The Ranger 305D in the CV-WIRE mode, permits it to be used with a broad range of flux cored wire (Innershield and Outershield) electrodes and solid wires for MIG welding (gas metal arc welding). Welding can be finely tuned using the ARC CONTROL. Turning the ARC CONTROL clockwise from –10 (soft) to +10 (crisp) changes the arc from soft and washed-in to crisp and narrow. It acts as an inductance/pinch control. The proper setting depends on the procedure and operator preference. Start with the dial set at 0.

Contact your local authorized Lincoln Electric Distributor or the Lincoln Electric Company for specific wires used on certain applications with this machine. Also for additional information contact WWW.Lincolnelectric.com

ARC GOUGING

The RANGER 305D can be used for limited arc goug- ing. For optimal performance, set the MODE switch to CC-STICK and the ARC CONTROL to +10.

Set the OUTPUT CONTROL knob to adjust output current to the desired level for the gouging electrode being used according to the ratings in the following Table B.3.

		TABLE B.3
Electrode Diameter			Current Range (DC, electrode
			positive)
	1/8" (3.2)		30-60 Amps
	5/32"(4.0)		90-150 Amps
3/16"(4.8)			150-250 Amps

RANGER 305D