SECTION 3 PCM-875A Mechanized Plasma Cutting System Installation
3-11
3.3.3 Setting the Spark Gap in the RAS2
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.
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