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4.2 OPTIONAL CONTROLS
4.2.1 INDUCTANCE TRIM (OPTIONAL) P/N-0558002888 (Figure 14)
Inductance is used to optimize short circuiting arc performance by changing the current rise and fall time of each short
circuit. This results in improved spatter control, weld bead wetting and arc stability. It is HIGHLY RECOMMENDED that the
Inductance Trim option be used for optimum short arc welding performance with stainless steel wires.
The INDUCTANCE TRIM is installed inside the wire spool compartment, above the wire feed motor, to the left of the Burnback
adjustment. The “easy to set” dial is calibrated by wire alloy (Carbon Steel and Stainless Steel) and Shielding gas:
100% CO
2
Argon - 25% CO
2
Argon - 8 to 15% CO
2
Trimix (Stainless Helium Mixtures)
The short circuiting Mig arc performance will change from a high short circuit frequency, fast reacting arc, to a lower short
circuit frequency, soft and less spattering arc as the dial is turned clockwise. The optimized arc performances will vary de-
pending on shielding gas, wire diameter and alloy. Gases and alloys other than those indicated can also be optimized with
this control. The operator can adjust this control as desired to optimize personal preferences of welding characteristics.
Figure 14 - Inductance Trim
SECTION 4 OPERATION
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