Adjusting Spark Gaps - Miller Syncrowave 250 DX Technical Manual

7-3. Adjusting Spark Gaps

1
Tools Needed:
0.012 in (0.305 mm)
TM-359 Page 78
2
3
4
5/32 in
Y Turn Off welding power
source and disconnect and
lockout/tagout input 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. Adjust other gap.
Reinstall access door.
Ref. 801 972-C / Ref. S-0043
Syncrowave 250 DX