Graco 3A0869J ユーザーズマニュアル
Basic Operation
32
3A0869J
Prime the System
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).
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 34. The equipment was tested with light-
weight oil, which should be flushed out to avoid
contaminating your material.
ing, page 34. 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. Adjust component A and B fluid supplies
as needed for your application. Use low-
est pressure possible.
est pressure possible.
NOTE: Do not exceed the maximum rated
working pressure shown on the system identification
label or the lowest rated component in the system.
working pressure shown on the system identification
label or the lowest rated component in the system.
5. Open the fluid supply valves to the
system.
6. If using an electrostatic gun, shut
off the electrostatics before spray-
ing.
ing.
7. If using a gun flush box, place the gun in the box
and close the lid.
8. Use
to change to desired color recipe.
9. Press
. The system will purge, then load mixed
material to the gun. If the gun flush box is not used,
trigger the gun into a grounded metal pail until the
system returns to Standby.
trigger the gun into a grounded metal pail until the
system returns to Standby.
Meter Calibration
NOTE: See Calibration 1 and 2 (Screens 22 and 23),
page 49, for further screen information, if needed.
page 49, for further screen information, if needed.
Calibrate the meter:
•
The first time the system is operated.
•
Whenever new materials are used in the system,
especially if the materials have viscosities that differ
significantly.
especially if the materials have viscosities that differ
significantly.
•
As part of regular maintenance to retain meter accu-
racy.
racy.
•
Whenever a flow meter is serviced or replaced.
NOTE:
•
•
Meter factors on Calibration 1 (Screen 22) are
updated automatically after the calibration pro-
cedure is completed. You also may manually
edit them if desired.
updated automatically after the calibration pro-
cedure is completed. You also may manually
edit them if desired.
•
All values on this screen are in cc or cc/pulse,
regardless of the units set in Configure 4
(Screen 21).
regardless of the units set in Configure 4
(Screen 21).
1. Before calibrating Meter A or Meter B, prime the
2. If the display is on a Run Mode screen, press
to access setup screens.
3. Press
to display Calibration 1 (Screen 22).
K-factors are shown for B and A1 (A2, A3 if pres-
ent).
ent).
Standby
Standby