PT-19XL PLASMARC CUTTING TORCH
SECTION 3
INSTALLATION AND OPERATION
7
3.3 GAS SETTINGS
A. PCC-1500/PCC-11, PCC-1500 / PCC-12 Systems
150AMP Nozzle
Starting gas set to 20 psig.
Cutting gas set to 45 psig.
NOTE: Do not use 0
2
, use only air for cutting carbon
steel over 3/4" thick at 150 AMPS
50 AMP Nozzle
Use Air/Air or N
2
/N
2
only
Starting gas set to 40 psig.
Cutting gas set to 60 psig.
Use 4-hole baffle for all 50A & 150A cutting.
B. PCM-8
150A Nozzle - set flowmeter to 3.0
250A Nozzle - set flowmeter to 5.0
C. ESP-1000
150A Nozzle - Run 1 Gas - Low 4
250A Nozzle - Run 1 Gas - Low 6
Start gas pressure 20 - 25 psig.
D. Operation of 50 AMP Nozzle For ESP-1000 Sys-
tems With Regulator & Gauge Kits.
1. Build up a regulator assembly as shown below:
2. Install this regulator at the "Cut Gas" connection on
the ESP Plumbing Box.
c. Cut Gas Flowrate to "HIGH 7"
d. Test/Run Switch to "Run 1"
4. Set Start Gas Pressure as follows:
a. Test/Run Switch to "START GAS TEST"
b. Adjust Start Gas Regulator to 40 psig.
c. Return TEST/RUN Switch to "Run 1"
5. Set Cut Gas Pressure as follows:
a. TEST/RUN Switch to "CUT GAS TEST"
b. Adjust Cut Gas Regulator to 60 psig.
c. Return TEST/RUN Switch to "RUN 1"
6. Set Range Switch on ESP-300 to "LOW" Adjust
Current Setting to 50 Amps (about 3 on dial).
YOU ARE NOW READY TO CUT WITH N
2
TO CUT WITH AIR, Disconnect N
2
from the Flow
Control and connect a supply of clean filtered Air at 100
psig. to the N
2
Inlet on the Flow Control.
TO RETURN THE SYSTEM TO USE WITH HIGHER
CURRENTS:
a. Reconnect N
2
to the N
2
Inlet.
b. Turn the Pressure adjusting Screw on the
Cut Gas Regulator all the way in and set the
GAS Flowrate Setting Back to that recom-
mended.
c. Readjust the Start Gas Regulator to the
recommended setting.
d. Set the O
2
/N
2
Switch to "O
2
" if desired.
e. Set the ESP-300 Range Switch to "HIGH"
For PCC-11 & PCC-12 Systems
a. Set Start Gas Pressure to 40 psig.
b. Set Cut Gas Pressure to 60 psig.
c. Set PCC-1500 to 50 Amps (About 3 on dial).
3. Set control on the ESP Flow Control as follows:
a. O
2
/N
2
Switch to "N
2
"
b. Cut Water Switch to "OFF"
*Use Locktite Pipe Sealant on Threads, DO NOT Use Teflon Tape.
Fig 3-3. PT-19XL Regulator Assembly (For Use With ESP-1000 System)
ADAPTOR - 999304
CHECK VALVE ASSY. -21124
HEX NIPPLE -639501
AIR REGULATOR
ASSY. -522368
CONNECTOR -3389
B-Oxy -F*
1/4 NPTM*
1/4 NPTM*
1/4 NPTF*
(2) 1/8" NPT Pipe Plugs
- 643792
*
1/4 NPTF*
1/4 NPTM*
B-Oxy-M*
1/4 NPTF*
