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OM-611 Page 18
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Ref. 098 956-G
Turn Off unit and welding power
source and disconnect input power.
Loosen screw on spark gap access
door and open.
1 Tungsten End Of Point
Do not clean or dress tungsten.
Replace point if tungsten end
disappears.
2 Spark Gap
Normal spark gap is 0.008 in (0.203
mm).
If spark gaps are okay, reinstall
door. If adjustment is needed, con-
tinue 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
adjustment screws to 12 in/lbs
torque (overtightening will deform
plastic base). Repeat gauge adjust-
ment with other gap.
Close access door.
5/32 in
Tools Needed:
Rear Of Unit
0.008 in
(0.203 mm)
5-2. Adjusting Spark Gaps
1
4
3
2