Model 3710 Plasma Control Console
Operator’s
Manual
_____________________________________________________________________________________________________________________
Issued: 03/11
Page
45
16.
Rotate PC-100 AUXILIARY GAS CONTROL potentiometer fully
counterclockwise.
17.
If auxiliary gas is desired, press SECONDARY GAS button ON.
Auxiliary
gas
flows.
18.
Adjust auxiliary gas with console SECONDARY GAS SUPPLY
PRESSURE CONTROL regulator until the SECONDARY GAS
SUPPLY PRESSURE gauge shows the desired pressure.
19.
Press and hold PC-100 AUXILIARY GAS START button and
adjust AUXILIARY GAS START control potentiometer until
ammeter LCD displays desired drop in amperage. Normally, the
auxiliary gas start setting is 30% of the Main Amps setting.
20.
Momentarily (three seconds or less) press ARC START switch.
Plasma arc initiates.
21.
Monitor the ramping process on the PC-100 and verify that the
Secondary Gas is automatically energized at the setpoint.
22.
Press the FEED ON button for the powder feeder desired. Button
illuminates and powder flows.
OPERATING WITHOUT POWDER GASES damages system.
Do NOT test fire system with POWDER GAS switches OFF. Verify
that POWDER GAS switches are ON when operating or test firing
system.
4.7
Spray Procedure
After completing above steps, test spray as follows:
1.
Make sure powder enters plasma arc in a suitable pattern. Slight
adjustments
to
POWDER
GAS
flow, ARC GAS flow, amperage or
hopper control may be necessary.
