Graco ProMix II, Operating Manual

Page: 42 / 58

Operation
◆
Color Change
42 310633C
Color Change
Integrated Color Change - for
multiple color systems
1.
Shut off air to the gun.
2.
Place the gun in the gun flush box if used, and
close the door.
3.
The system can remain in Mix mode or
switched to Standby at the Operator Station.
4.
Use the scroll keys,
or ,
to select the new
color. Press Enter to begin the color change
sequence (see page 33).
5.
If a gun flush box is not used, trigger
the gun into a grounded metal pail
until the color change sequence is
complete.
6.
When the color change indicator light stops flash-
ing on the Operator Station, the color change
sequence is complete.
7.
When you are ready to spray, remove the gun from
the gun flush box if used, and close its door.
8.
Press Mix to start spraying.
Color Change - for single color
systems
1.
Follow procedure for Purging Fluid Supply Sys-
tem, page 46.
2.
Load the new color as instructed in Start Up, page
39.
3.
Press Mix to start spraying.
WARNING
If using an electrostatic gun, shut off the electrostatics
before placing the gun in the gun flush box.
page 24
The color change timer does not start until the gun
is triggered and fluid flow is detected. If no flow is
detected within 2 minutes, the color change opera-
tion aborts. The Operator Station switches to
Standby mode at the previous color.
The gun flush box door must be closed for the
atomizing air valve to open.