ESAB PCM-875A - General; Spark Gap Procedure

SECTION 5 PCM-875A Plasmarc Cutting System Maintenance
5-5
5.2. Remote Arc Starter
5.2.1 General
Check input and output bulkhead connections for
tightness.
5.2.2 Spark Gap
1 mm
”a”
Factory set to 1mm.
Adjustment procedure:
1. Loosen screw “a” using a 1/8” (0.125”)
internal hex wrench.
2. Insert 1mm feeler gage between the
tungsten electrodes.
3. Slide electrodes till slight pressure is felt on
the gage.
4. Tighten locking screws on spark gap
assembly.