PT-600 Mechanized Plasma Cutting Torch
PT-600 Mechanized Plasma Cutting Torch
PT-600 Mechanized Plasma Cutting Torch
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SECTION 4<br />
OPERATION<br />
LOW CURRENT CUTTING WITH AIR (50 to 100 Amps)<br />
1. Ensure that the correct components are assembled in the <strong>PT</strong>-<strong>600</strong> for the cutting conditions.<br />
2. To cut with air, disconnect N 2<br />
supply from the Flow Control. Connect a supply of clean, filtered air (approximately 100<br />
psig to the N 2<br />
inlet on the Flow Control.<br />
3. For low current cutting with the <strong>PT</strong>-<strong>600</strong> and ESP-1000 a cut gas regulator system is required for air. See figure 4-1 for<br />
assembly details.<br />
ADA<strong>PT</strong>OR<br />
999304<br />
1/4 N<strong>PT</strong>M*<br />
CHECK VALVE<br />
ASSEMBLY - 21124<br />
HEX. NIPPLE<br />
639501<br />
AIR REGULATOR<br />
ASSEMBLY -522368<br />
B-OXY -F*<br />
1/4 N<strong>PT</strong>M*<br />
CONNECTOR<br />
3389<br />
1/4 N<strong>PT</strong>F*<br />
* Use Locktite pipe sealant on threads, DO NOT use<br />
Teflon tape.<br />
(2) 1/8" N<strong>PT</strong><br />
PIPE PLUGS<br />
643792<br />
Figure 4-1. <strong>PT</strong>-<strong>600</strong> Regulator Assembly<br />
1/4 N<strong>PT</strong>F*<br />
1/4 N<strong>PT</strong>M*<br />
B-OXY-M*<br />
4. Set the O 2<br />
/N 2<br />
switch to N 2<br />
position.<br />
5. Place CUT WATER switch to OFF.<br />
6. Set CUT GAS Flow Rate.<br />
7. Position TEST/RUN switch to RUN 1.<br />
8. Set start gas pressure as follows:<br />
A. TEST/RUN switch to START GAS TEST.<br />
B. Adjust start gas regulator to 30 psig.<br />
C. Return TEST/RUN switch to RUN 1.<br />
9. Set cut gas pressure as follows:<br />
A. TEST/RUN switch to CUT GAS TEST<br />
B. Adjust cut gas regulator to 60 psig.<br />
C. Return TEST/RUN switch to RUN 1 position.<br />
4-112
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