Graco 3A0868G Power Roller User Manual


 
Basic Operation
30 3A0868G
Prime the System
NOTE: See Run Mode Details, pages 39-41, for further
screen information, if needed.
1. Adjust the main air pressure. 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).
2. If this is the first time starting up the system, or if
lines may contain air, purge as instructed in Purg-
ing, page 32. The equipment was tested with light-
weight oil, which should be flushed out to avoid
contaminating your material.
3. From Run Home (Screen 1), press . Make
sure that the system is in Standby mode.
4. Press to show the dropdown menu.
5. Press to highlight Pump A, then press .
6. Put Pump A into supply pail.
7. Adjust air pressure to component A
pump for your application. Use lowest
pressure possible.
NOTE: Do not exceed the maximum rated working pres-
sure shown on the system identification label or the low-
est rated component in the system.
8. Open the fluid supply valve to the
pump.
NOTE: If using an electrostatic gun,
shut off the electrostatics before
spraying.
9. If using a gun flush box, place the gun in the box
and close the lid. Press . The pump will run 12
cycles.
If the gun flush box is not used, trig-
ger the gun into a grounded metal
pail until the system returns to
Standby.
10. Press to stop the pump before 12 cycles are
completed. If the pump is not fully primed after 12
cycles, press again.
11. Repeat for Pump B.
Standby