ERICO CADWELD Electrical Connections - Manual (Page 18)

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Most field difficulties can be overcome by checking
the following problems.
Problem A
The mold doesn’t close tightly.
Check for:
1. Adjustment of handle clamps.
2. Cables out of round or bent.
3. Dirt or slag in mold parting line.
4. Correct cable size.
NOTE: Use “C” clamp if necessary.
Problem b
The connection is covered with excessive slag.
Check for:
1. Welding material leaking past the disk,
caused by:
(a) Chipped graphite at tap hole.
(b) Disk moved when welding material was
dumped.
(c) Disk not properly seated.
(d) Disk was not installed.
NOTE: A small amount of slag on the surface
is not abnormal.
Problem C
Molten metal “spits” out of the crucible when
making a connection.
Remedy:
1. See Problem D.
Field Situation Guide