SECTION 6 REPLACEMENT PARTS
45
INSTRUCTION MANUAL CHANGES
The "A" edition (2/98) of this manual covers the following changes:
1. Each replacement IGBT and bridge module now include the appropriate thermal pad.
The "B" edition (9/98) of this manual covers the following changes:
1. Added mechanized cutting installation using PT-20AM torch with the PCM-875.
2. Deleted discontinued L-TEC packages and parts.
The "C" edition (2/02) of this manual covers the following changes:
1. Revises Figure 3-3 to show the changes made to the electrode.
2. Revises Figure 4-1 to show the removal of the Valve Pin which is no longer a part of the PT-27 Torch.
3. The hi frequency gap is changed from "between .027 and .033" to "set to .040". (See page 23, Section E, Step
3).
The "D" edition (10/2006) of this manual covers the following changes:
1. Incorporated inputs from Charles Aimar on Pages 12, 14 and 31.
The "E" edition (07/2007) of this manual covers the following changes:
1. Added updated Disclaimer page after front cover.
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