5-3. Adjusting Spark Gaps

4 4

3

3

2

1

Tools Needed:

0.012 in (0.305 mm)

5/32 in

YTurn Off power before adjusting spark gaps.

Open access door.

1 Tungsten End Of Point

Replace point if tungsten end dis- appears; do not clean or dress tungsten.

2 Spark Gap

Normal spark gap is 0.012 in (0.305 mm).

If adjustment is needed, proceed as follows:

3 Adjustment Screws

Loosen screws. Place gauge of proper thickness in spark gap.

4 Pressure Point

Apply slight pressure at point until gauge is held firmly in gap. Tighten screws to 12 in/lbs torque (overtigh- tening will deform plastic base). Ad- just other gap.

Reinstall access door.

Ref. ST-801 972-A

OM-356 Page 35

Page 39
Image 39
Hobart Welding Products 350LX manual Adjusting Spark Gaps, Tools Needed 012 in 0.305 mm