Miller Electric 225, 300 manual Striking An Arc, Positioning The Electrode Holder, 10−30

8-3. Striking An Arc

Scratch Start Technique

1

2

3

Tap Start Technique 1

2

3

1Electrode

2Workpiece

3Arc

Drag electrode across workpiece like striking a match; lift electrode slightly after touching work. If arc goes out electrode was lifted to high. If electrode sticks to work- piece, use a quick twist to free it.

Bring electrode straight down to workpiece; then lift slightly to start arc. If arc goes out, electrode was lifted too high. If electrode sticks to workpiece, use a quick twist to free it.

S-0049 / S-0050

8-4. Positioning The Electrode Holder

		10°−30°	Groove Welds
90°	90°
End View Of Work Angle		Side View Of Electrode Angle
			Fillet Welds
	45°	10°−30°
45°
End View Of Work Angle		Side View Of Electrode Angle
			S-0660
OM-316 Page 32