Pre
Pre
Pre---Operation
Operation
Operation Tasks
Tasks
Tasks
Pre
Pre
Pre---operation
operation
operation Checklist
Checklist
Checklist
Go through the Pre-Operation Checklist daily, before
each use.
✔
✔
✔
Checklist
Checklist
Checklist
System
System
System grounded
grounded
grounded
Verify all grounding connections
were made. See Grounding
Grounding
Grounding in the
Installation manual.
All
All
All connections
connections
connections tight
tight
tight and
and
and correct
correct
correct
Verify all electrical, fluid, air, and
system connections are tight and
installed according to the Installation
manual.
Fluid
Fluid
Fluid supply
supply
supply containers
containers
containers filled
filled
filled
Check component A and B and
solvent supply containers.
Dose
Dose
Dose valves
valves
valves set
set
set
Check that dose valves are set
1–1/4 turns open. Start with
the settings recommended in
, then adjust
as needed.
Fluid
Fluid
Fluid supply
supply
supply valves
valves
valves open
open
open and
and
and
pressure
pressure
pressure set
set
set
The recommended component A and
B fluid supply pressures are 1/2 to 2/3
of the target spray pressure.
NOTE:
NOTE:
NOTE: Low pressure systems may
be set within a range of ± 100 psi (0.7
MPa, 7 bar); high pressure systems
may be set within a range of ± 300 psi
(2.1 MPa, 21 bar). If the inlet pressure
is higher than the outlet pressure,
ratio accuracy may be affected.
Solenoid
Solenoid
Solenoid pressure
pressure
pressure set
set
set
85-100 psi inlet air supply (0.6-0.7
MPa, 6-7 bar).
Power
Power
Power On
On
On
1.
Turn the AC Power Switch (P) ON (I = ON,
0 = OFF).
2.
The Graco logo will display while the system
initializes, followed by the Home screen.
3.
Press the Start key
to display the Pump
Power pop-up screen.
The softkey options allow for powering a specific
Mix Unit, or both at the same time. The system
status will change from “System Off” to “Startup.”
Once the pumps are powered and are in the
Home position, the system status will change
from “Startup” to “Standby.”
Figure 9 Power Switch
3A4486D
17