Tweco 150 Ultra-Cut - Manual (Page 68)

Manual No. 0-4800 4-4 OPERATION
Gas Control Module: Controls & Indicators
1. MODE Selection Switch
MODE
RUN
SET PREFLOW
SET PLASMA
& SHIELD
TEST
PREFLOW
H 2 O
MIST
PLASMA SHIELD
PRESSURE
PLASMA
POWER SUPPLY
GAS
FLOW
AMPERAGE
SET-UP
High Precision
Plasma Cutting System
ENABLE
DISABLE
GAS MODE
RUN
SET PREFLOW
SET PLASMA & SHIELD TEST
O2 - AIR
O2 - O2
H35 -N 2
F5 - N 2
AIR - AIR
N 2 - H 2 O
N 2 - N 2
Art # A-04765
9 9
GCM
2010
• Normally in the RUN position during torch operation.
• In the SET PREFLOW position, Air or N2 travels to the torch. The Preflow valve remains open for 2 minutes
to allow the operator to adjust flow pressure.
• In the SET PLASMA & SHIELD position, gases travel to the torch. The Preflow valve at the torch remains open
for 2 minutes to allow the operator to adjust flow pressures and rates.
• In the TEST position, gases fill the torch leads. The display shows the pressure of the plasma gas while
flowing. After 1 minute the Module shuts off the valves at the torch.