Model 3710 Plasma Control Console
Operator’s
Manual
_____________________________________________________________________________________________________________________
Issued: 03/11
Page
44
4.
After purge is complete, open arc gas cylinder valve.
5.
Set primary (arc) gas supply regulators for outlet pressures no
higher
than
200
psi
(1380
kPa).
6.
Open carrier gas and secondary gas cylinder valves.
7.
Set secondary gas source regulator for outlet pressure no higher
than 200 psi (1380 kPa).
8.
Energize spray booth exhaust fan.
9.
Pull EMERGENCY STOP button to ON position and press the
RESET button. Illuminated RESET button indicates energized
console.
10.
Press
COOLING
WATER
switch. Switch illuminates. Recheck
system for leaks. Verify water flow rate is AT LEAST 6.0 gpm
(22.8
l/m).
11.
Press the PRIMARY GAS switch and adjust primary gas to the
recommended pressure for the parameter used. The Critical Orifice
Flow Rate graph (Figure 4-2) shows flowrates of various critical
orifices.
12.
Press the CARRIER GAS switch for the powder feeder to be used
and adjust carrier to the required pressure.
13.
Push
POWER
SOURCE
button for open circuit voltage.
14.
Press and hold MAIN CONTROL button on PC-100 and adjust
MAIN CONTROL potentiometer until required amperage dis-
plays on the ammeter LCD.
15.
Press and hold PC-100 MAX LIMIT button and adjust MAX
LIMIT potentiometer until amperage displayed on ammeter LCD
is 75 to 100 amps above MAIN CONTROL set point.