Hypertherm HT4400 Plasma Arc Cutting System Gas Panel - Manual (Page 25)

OPERATION
HT4400 with Titan Gas Panel Instruction Manual 3-9
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4. Adjust Cutflow and Preflow Gases
1. Set the Valve Select thumb-wheel switch (S2) to MV1.
2. Turn the MV1 valve to the plasma pressure detailed in the Cut Charts. The pressure reading appears
in the gas panel PG1 Plasma window.
3. Set the Valve Select thumb-wheel switch (S2) to MV2.
4. Turn the MV2 valve to the plasma pressure detailed in the Cut Charts. The pressure reading appears
in the gas panel PG1 Plasma window.
5. Repeat this procedure to set metering valves M3-M7. Note that the readings for shield gas
adjustments appear in gas panel PG2 Shield window.
MV1
(Plasma cutflow)
MV3
(Shield cutflow)
MV4
(Shield preflow)
MV7
(Shield preflow)
MV5
(Plasma preflow)
Valve Select
S2
MV2
(Plasma preflow)
MV6
(Shield cutflow)
PG1 PG2