Miller Electric Spectrum 1250R - Manual (Page 28)

OM-217 Page 24
5-4. Adjusting Spark Gap
Y Turn Off power before ad-
justing spark gap.
Remove left side panel.
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 0.030 in (0.762
mm).
If adjustment is needed, proceed as
follows:
3 Adjustment Screw
Loosen screw. Place gauge of
proper thickness in spark gap.
4 Pressure Point
Apply slight pressure at point until
gauge is held firmly in gap. Tighten
screw.
Reinstall side panel.
Ref. ST-159 466-C / S-0201
2
3
4
1
Tools Needed:
3/8 in
5/32 in
0.030 in (0.762 mm)