Graco ProMix II Operating Manual page 40

Operation ◆ Start Up
2.
Turn the EasyKey™ Display AC Power Switch on
(I = on, 0 = off).
➜ Graco logo and software revisions display, fol-
lowed by Run screen.
➜ In bottom left corner, the system status displays,
which can be Standby, Mix, Purge, or an alarm
notification.
E a s y K e y
T M
Run Screen
➜ Verify that the Operator Station is working. The
active color number and Standby
should be lit.
LED
Operator Station Screen
40
LED
Color
3.
If this is the first time starting up the system, purge
it as instructed in Purging Fluid Supply System,
page 46. The equipment was tested with light-
weight oil, which should be flushed out to avoid
contaminating your material.
4.
Setup your system as instructed in Key Com-
mands, page 31.
5.
Make sure that the Operator Station is in Standby
mode.
6.
Adjust component A and B fluid sup-
plies as needed for your application.
Use lowest pressure possible.
7.
Do not exceed the maximum rated
working pressure shown on the system ID panel
(refer to page 3) or the lowest rated component in
the system.
8.
Open the fluid supply valves to the
system.
9.
Adjust the air pressure to the Pro-
Mix™ II system. Most applications
require about 80 psi (552 kPa, 5.5 bar) air pressure
to operate properly. Do not use less than 75 psi
(517 kPa, 5.2 bar).
10.
Purge air from the fluid lines.
a.
Shut off air to the gun by clos-
ing the air regulator or shutoff
valve for the gun atomizing
air.
b.
Trigger the gun into a grounded
metal pail.
c.
Press Mix
Station.
d.
If the flow meters over-run because of air in
the system, an alarm will occur and operation
stops. Press
e.
Press Mix
on Operator
key to clear alarm.
.
310633C
page 24